senior stack engineer

EvolversTech

We are hiring a Senior Full-Stack Engineer (React + Python) for a US-based client and work directly with founders, including an ex-IBM executive, on an innovative AI product!What You&rsquo;ll Do<ul><li>Build and maintain full-stack applications with React, TypeScript, Python, and FastAPI</li><li>Work with modern tools: PostgreSQL, Pydantic-AI, Logfire</li><li>Contribute to AI Agents, RAG, and security-focused features</li><li>Collaborate with a small, high-performing team, shaping the product day-to-day</li></ul>We&rsquo;re Looking ForMust-Have:Expert in React, TypeScript, and PythonBuilt and shipped production-grade web applicationsStrong problem-solving and perfect English communicationFull-time availability, can join within 2 weeksAble to work night shift (5+ hour overlap with the US timezone)Bonus Skills:Competitive programming experience (ICPC, Codeforces)Built rich text editors (Tiptap / ProseMirror)AI Agents / RAG experienceAWS experienceExperience in B2B apps, security, and authenticationStrong UI/UX and product design senseJob Type: Full-timeWork Location: In person

Senior Full Stack Engineer

Washmen

<div><div>We&rsquo;re hiring a Senior Full Stack Engineer (7+ years) who&rsquo;s built and scaled real production systems&mdash;someone who can own features end-to-end, keep systems reliable under pressure, and move fast without breaking things.</div><div>
Our platform handles high-volume operations, multi-surface user flows, and continuous product initiatives. We&rsquo;re growing fast, and we need an engineer who can strengthen architecture, close long-standing gaps, and lift overall reliability.</div><div></div><div> 
What we&rsquo;re NOT looking for:</div><div>
Developers who need detailed step-by-step requirements</div><div>
Engineers who&rsquo;ve only worked on small, low-scale apps</div><div>
Candidates without real experience in distributed systems</div><div>
Frontend-only or backend-only profiles</div><div>
People who avoid production debugging or root-cause ownership</div><div>
Engineers who rely on frameworks without understanding fundamentals</div><div></div><div> 
What we ARE looking for:</div><div>
Someone who&rsquo;s designed systems, scaled them, debugged them in production, and has strong opinions about performance, resilience, and quality.</div><div>
If you&rsquo;ve built cloud-native services, solved real-world problems at scale, and want ownership&mdash;we should talk.</div>
<h3 class="jobSectionHeader">Responsibilities</h3><ul><li>
Build high-performance mobile apps (React Native)</li><li>
Build responsive PWAs (React + TypeScript)</li><li>
Develop scalable backend services (Node.js)</li><li>
Work with PostgreSQL, DynamoDB, Redis</li><li>
Architect event-driven, cloud-native solutions on AWS</li><li>
Improve observability, monitoring, and reliability</li><li>
Resolve production issues with long-term fixes</li><li>
Strengthen CI/CD and automation</li><li>
Mentor engineers and drive best practices</li></ul><h3 class="jobSectionHeader">
Required Skills</h3><ul><li>
Strong React + TypeScript skills; React Native is a plus</li><li>
Strong Node.js and API design</li><li>
Experience with microservices and event-driven architecture</li><li>
AWS experience (Lambda, SQS, ECS, API Gateway, DynamoDB)</li><li>
SQL/NoSQL, caching, migrations, performance tuning</li><li>
Solid automated testing (unit, integration, contract)</li><li>
Strong debugging skills and familiarity with observability tools</li><li>
Mentorship, communication, and cross-team collaboration</li><li>
Good understanding of secure API and app security practices</li></ul>

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.</div>

Gene by Gene

<div>OUR PURPOSE
Our mission is to build a healthier and more connected world with precision health and genealogy services.
We empower individuals with actionable insights into their genetic makeup, fostering a deeper understanding of their ancestry, health, and wellness. By integrating the experience of Gene by Gene Laboratory Services, FamilyTreeDNA genealogy, and myDNA reporting services, we strive to deliver cutting-edge genetic testing and personalized solutions that inspire informed decisions and enhance quality of life. Our team is dedicated to advancing the field of genomics through innovation, research, and a commitment to excellence.
OUR VALUES
All employees are expected to demonstrate our values of Innovate, One Team, and Integrity when carrying out the accountabilities and responsibilities of their role. 
This how we show up every day for ourselves, our colleagues and our customers and strategic partners to deliver our vision and strategic goals. 
POSITION OVERVIEW
We are seeking a Senior Full-Stack Engineer to join our Data Engineering team and play a pivotal role in designing, developing, and deploying a new generation of microservices. This is a critical position for a developer who thrives on solving complex challenges and wants to have a significant impact on our technical direction. You will be instrumental in migrating our systems to a more modern, scalable architecture, including a shift toward Kubernetes and a refined DevOps pipeline. A background in software development, genetics, and systems analysis will provide a strong basis for success. 
ACCOUNTABILITIES AND RESPONSIBILITIES<ul><li>
Architecture &amp; Development: Architect, design, and implement new microservices using Python and FastAPI. You will be a key contributor to our new frontends, building applications with Next.js and Tailwind CSS.</li><li>
Infrastructure &amp; DevOps: Play a central role in our migration to a Kubernetes environment. You will work with Docker to refine our CI/CD pipelines.</li><li>
Data &amp; Workflow: Design and maintain robust data pipelines and workflows. Hands-on experience with an orchestrator like Airflow, Dagster, Prefect or other workflow orchestrator is a core requirement, as you will be working with and improving our existing systems which are built in house to work similar to Airflow.</li><li>
Database Management: Own the design and optimization of our PostgreSQL database schemas and queries to ensure high performance and scalability.</li><li>
Cloud Services: Utilize and optimize a variety of AWS services, with a focus on data management in Amazon S3.</li><li>
Technical Leadership: Serve as a technical leader, mentoring junior developers, conducting thorough code reviews, and championing best practices in software design, security, and performance.</li><li>
Requirements Gathering: Develops software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle.</li><li>
Algorithm design, development, and optimization for analytical systems.</li><li>
Improves operations; recommends changes in policies and procedures.</li><li>
Updates job knowledge by studying state-of-the-art development tools, programming techniques, and computing/scientific equipment.</li><li>
Protects operations by keeping information confidential and works to improve company security and privacy.</li><li>
Provides information by collecting, analyzing, and summarizing business and technology issues.</li></ul>
POSITION REQUIREMENTS<ul><li>
Senior-Level Experience: You have a demonstrated 5+ years of designing and building complex, scalable software systems from the ground up. Along with using object-oriented design principles, and have spent time working in a Linux environment to develop and deploy software. Experience following agile, scrum, and/or waterfall methodologies.</li><li>
Backend Expertise: Deep, hands-on experience with Python (at least 5 years experience) and building APIs, with a strong preference for FastAPI.</li><li>
Frontend Proficiency: Experience building modern, responsive user interfaces with Next.js and Tailwind CSS.</li><li>
Microservices: A solid understanding of microservices architecture and its principles.</li><li>
Containerization: Mastery of Docker and a firm grasp of container orchestration concepts, with a strong interest in Kubernetes.</li><li>
DevOps &amp; Infrastructure: Experience with CI/CD tools, particularly Jenkins</li><li>
Database: Advanced knowledge of PostgreSQL, including data modeling and query optimization.</li><li>
Workflow Orchestration: Experience with at least one major workflow orchestrator (Airflow, Dagster, or Prefect).</li><li>
Cloud: Practical experience using AWS services, specifically S3.</li><li>
Source Control: Expertise with Git for version control.</li><li>
Problem-solving skills - 4 years or more experience in problem-solving by analyzing, debugging, and troubleshooting applications and integration components. Familiar with using software debuggers for Python and C/C++</li><li>
Communication Skills - Strong communication skills to allow requirements gathering, coordination of application implementation, application and integration testing all within and with other teams.</li></ul>
OTHER COMPENTICES AND TECHNOLGY FAMILARITY<ul><li>
Messaging (RabbitMQ or equivalent message queue system)</li><li>
Relational databases such as MS SQL Server, and MySQL</li><li>
NoSQL Database technologies, for example, AWS DynamoDB, Mongo</li><li>
Hashicorp tools (Nomad, Consul, Terraform, Vault)</li><li>
Linux Shell Scripting</li><li>
HTTP, Web API, CSS, and Javascript</li><li>
Python Django, Python Flask</li><li>
Other cloud technologies such as Oracle OCI</li><li>
Knowledge of distributed systems, big data technologies, or machine learning.</li><li>
Problem Solving, Teamwork, Analyzing Data, General Programming Skills, Software Design, Software Debugging, Software Documentation, Software Development Process, Agile SCRUM.</li><li>
Demonstrate strong attention to detail and accuracy.</li><li>
Understanding genetics, big data, data science, genealogy, AI and/or machine learning is highly desirable.</li></ul>
VACANIES: 2</div>

Senior Full-Stack Engineer

DEEL

<div>Who we are is what we do.
Deel is the all-in-one payroll and HR platform for global teams. Our vision is to unlock global opportunity for every person, team, and business. Built for the way the world works today, Deel combines HRIS, payroll, compliance, benefits, performance, and equipment management into one seamless platform. With AI-powered tools and a fully owned payroll infrastructure, Deel supports every worker type in 150+ countries&mdash;helping businesses scale smarter, faster, and more compliantly.
Among the largest globally distributed companies in the world, our team of 7,000 spans more than 100 countries, speaks 74 languages, and brings a connected and dynamic culture that drives continuous learning and innovation for our customers.
Why should you be part of our success story?
As the fastest-growing Software as a Service (SaaS) company in history, Deel is transforming how global talent connects with world-class companies &ndash; breaking down borders that have traditionally limited both hiring and career opportunities. We're not just building software; we're creating the infrastructure for the future of work, enabling a more diverse and inclusive global economy. In 2024 alone, we paid $11.2 billion to workers in nearly 100 currencies and provided healthcare and benefits to workers in 109 countries&mdash;ensuring people get paid and protected, no matter where they are.
Our momentum is reflected in our achievements and customer satisfaction: CNBC Disruptor 50, Forbes Cloud 100, Deloitte Fast 500, and repeated recognition on Y Combinator&rsquo;s top companies list &ndash; all while maintaining a 4.83 average rating from 15,000 reviews across G2, Trustpilot, Captera, Apple and Google.
Your experience at Deel will be a career accelerator. At the forefront of the global work revolution, you'll tackle complex challenges that impact millions of people's working lives. With our momentum&mdash;backed by a $17.3 billion valuation and $1 B in Annual Recurring Revenue (ARR) in just over five years&mdash;you'll drive meaningful impact while building expertise that makes you a sought-after leader in the transformation of global work.
Summary
The Senior Full Stack Engineer is responsible for designing, developing, and maintaining both the front-end and back-end components of Deel&rsquo;s platform. You will work on a wide range of technologies and systems, from the user-facing interface to the server-side infrastructure, ensuring seamless integration across Deel&rsquo;s global platform. You will be part of a cross-functional team that collaborates closely with Product, Design, and DevOps teams to deliver high-quality, scalable, and secure solutions that power Deel&rsquo;s global workforce and payroll services.
Responsibilities<ul><li>
You will develop high-quality, responsive web applications using TypeScript, Javascript, React, Express. Experience with NestJS, Vite, and Next.js is a plus.</li><li>
You will design and implement server-side APIs, data models, and business logic using mainly Express framework</li><li>
You will create client-side function-based React components, hooks, stories, and tests to interact with your server-side work</li><li>
You will create and optimize database schemas, queries, and interactions with Postgres.</li><li>
You will build reusable and modular components on both the front and back end that promote code reusability, maintainability, and scalability.</li><li>
You will perform thorough testing, debugging, and troubleshooting of applications to ensure high-quality deliverables.</li><li>
You will stay updated with emerging web development trends, frameworks, and best practices, and recommend improvements to enhance development processes.</li><li>
You will participate in code reviews and provide constructive feedback to team members to maintain code quality standards.</li><li>
You will communicate project progress, challenges, and solutions effectively to team members and stakeholders.</li><li>
Contribute to the continuous improvement of development processes, methodologies, and tools.</li></ul>
Qualifications<ul><li>
At least 8 years of Full-Stack experience, with a focus on TypeScript development.</li><li>
Expert in the art of designing, coding, testing, and maintaining applications using the tech listed above.</li><li>
Thrive in a collaborative, remote-first work culture where teamwork and camaraderie are key.</li><li>
Embrace independence and take ownership of your projects, yet also excel in a team setting and love to contribute.</li><li>
Communicate complex ideas with ease and enjoy collaborating with diverse teams of technical and non-technical stakeholders.</li><li>
Are passionate about solving customer problems with your coding superpowers, and are a natural at troubleshooting issues.</li><li>
Take a business-focused approach to software development, with a keen eye on delivering high-value outcomes for our clients.</li><li>
Obsess over details, and always keep the customer experience top of mind.</li></ul>
Extra brownie points if you:<ul><li>
Have experience with SaaS products running 24/7 on a major cloud vendor.</li><li>
Solid understanding of RESTful APIs, microservices architecture, and asynchronous programming.</li><li>
Experience with testing frameworks (Jest, Mocha, Chai, Storybook, React Testing Library) and automated testing methodologies (Cypress).</li><li>
Knowledge of containerization technologies (Docker, Kubernetes)</li></ul>
Total Rewards
Our workforce deserves fair and competitive pay that meets them where they are. With scalable benefits, rewards, and perks, our total rewards programs reflect our commitment to inclusivity and access for all.
Some things you&rsquo;ll enjoy<ul><li>
Stock grant opportunities dependent on your role, employment status and location</li><li>
Additional perks and benefits based on your employment status and country</li><li>
The flexibility of remote work, including optional WeWork access</li></ul>
At Deel, we&rsquo;re an equal-opportunity employer that values diversity and positively encourage applications from suitably qualified and eligible candidates regardless of race, religion, sex, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, pregnancy or maternity or other applicable legally protected characteristics.
Unless otherwise agreed, we will communicate with job applicants using Deel-specific emails, which include @deel.com and other acquired company emails like @payspace.com and @paygroup.com. You can view the most up-to-date job listings at Deel by visiting our careers page. 
 
Deel is an equal-opportunity employer and is committed to cultivating a diverse and inclusive workplace that reflects different abilities, backgrounds, beliefs, experiences, identities and perspectives. 
 
Deel will provide accommodations on request throughout the recruitment, selection and assessment process for applicants with disabilities. If you require accommodations, please inform our Talent Acquisition Team via this link and a team member will be in touch to ensure your equal participation. If you have difficulty accessing the form, please email at recruiting@deel.com.
We use Covey as part of our hiring and/or promotional processes. As part of the evaluation process, we provide Covey with job requirements and candidate-submitted applications. Certain features of the platform may qualify it as an Automated Employment Decision Tool (AEDT) under applicable regulations. For positions in New York City, our use of Covey complies with NYC Local Law 144.
We began using Covey Scout for Inbound on March 30, 2025.
For more information about our data protection practices, please visit our Privacy Policy. You can review the independent bias audit report covering our use of Covey here: https://getcovey.com/nyc-local-law-144</div>

PEARL

Industry: 
Technical
 
Work Arrangement: 
Fully Remote with EST time zone overlap
 
Job Type: 
Full-time
 
Work Schedule: 
Monday to Friday, 9:00 AM – 6:00 PM EST
 
Locations: 
Anywhere Remote: 
<ul>
<li>LATAM: Brazil, Argentina, Colombia, etc.</li>
<li>AFRICA: Egypt, Algeria, Morocco, etc.</li>
<li>ASIA: Philippines, Indonesia, Malaysia, etc.</li>
<li>Other remote regions with strong English communication and relevant design experience</li>
</ul>
About Pearl Talent: 
Pearl works with the top 1% of candidates from around the world and connects them with the best startups in the US and EU. Our clients have raised over $5B in aggregate and are backed by companies like OpenAI, a16z, and Founders Fund. They’re looking for the sharpest, hungriest candidates who they can consistently promote and work with over many years. Candidates we’ve hired have been flown out to the US and EU to work with their clients, and even promoted to roles that match folks onshore in the US.
 Hear why we exist, what we believe in, and who we’re building for: WATCH HERE
 
Why Work with Us?: 
At Pearl, we’re not just another recruiting firm—we connect you with exceptional opportunities to work alongside visionary US and EU founders. Our focus is on placing you in roles where you can grow, be challenged, and build long-term, meaningful careers.
 
About the Company: 
Our client is a technology-driven company building intelligent, scalable web applications that integrate modern AI capabilities into real-world products. Operating in the AI-powered software and technology space, the company focuses on delivering high-performance, data-backed solutions through strong engineering foundations. The team works closely across engineering and data functions to bring production-ready AI features to market.
 
Role Overview: 
This Senior Full-Stack Engineer role is responsible for owning the architecture, development, and production readiness of AI-enabled web applications. The role spans backend systems, frontend interfaces, and cloud infrastructure, with a strong emphasis on reliability and scalability. You will work closely with data scientists to productionize machine learning models and integrate them into customer-facing features. The work is hands-on, execution-focused, and highly autonomous. This role is ideal for a senior engineer who thrives in ownership-heavy environments and enjoys building complex systems end to end.
 
Your Impact: 
You will play a critical role in bringing AI-powered features from concept to production. Your work will directly influence system scalability, application performance, and reliability in live environments. By partnering closely with data science, you will enable machine learning models to deliver real business value. You will help shape engineering standards, improve deployment workflows, and ensure the platform can scale with growing user demand. Your contributions will directly support product innovation and long-term technical sustainability.
 
Core Responsibilities: 
Full-Stack Architecture & Development
 <ul>
<li>Architect and build scalable full-stack applications using Django, React, and PostgreSQL.</li>
<li>Design, implement, and maintain secure, well-documented APIs.</li>
<li>Own backend business logic and frontend implementations for complex features.</li>
<li>Optimize application performance, reliability, and scalability in production.</li>
</ul>
AI & Machine Learning Integration
 <ul>
<li>Integrate machine learning models into production web applications.</li>
<li>Collaborate with data science teams to operationalize AI-driven features.</li>
<li>Deploy, monitor, and support ML models using AWS services.</li>
<li>Maintain real-time or batch inference pipelines.</li>
</ul>
Cloud Infrastructure & Deployment
 <ul>
<li>Deploy and manage applications using AWS services including Lambda, ECS, and SageMaker.</li>
<li>Monitor production systems and troubleshoot reliability or performance issues.</li>
<li>Improve cloud architecture and deployment workflows as the platform scales.</li>
<li>Enforce best practices around security, observability, and uptime.</li>
</ul>
Technical Leadership & Collaboration
 <ul>
<li>Lead code reviews and uphold engineering best practices.</li>
<li>Mentor junior and mid-level engineers across frontend and backend work.</li>
<li>Participate in architectural planning and technical decision-making.</li>
<li>Collaborate cross-functionally during EST working hours.</li>
</ul>
Requirements: 
Key Requirements: 
Must-Haves (Required): 
<ul>
<li>5+ years of full-stack engineering experience using Python/Django and React.</li>
<li>Strong experience with PostgreSQL database design and performance optimization.</li>
<li>Hands-on experience deploying machine learning models in production environments.</li>
<li>Proficiency with AWS for web and AI application deployment.</li>
<li>Ability to work autonomously and own complex systems end to end.</li>
<li>Availability to work consistently during EST business hours.</li>
<li>Excellent written and verbal English communication skills.</li>
</ul>
Nice-to-Haves (Preferred): 
<ul>
<li>Experience with MLOps practices such as model versioning and inference pipelines.</li>
<li>Familiarity with Docker, Kubernetes, and CI/CD tooling.</li>
<li>Strong understanding of system scalability, security, and performance optimization.</li>
<li>Experience in high-ownership, startup, or fast-scaling engineering environments.</li>
</ul>
Tools Proficiency: 
Must-Haves (Required): 
<ul>
<li>Python</li>
<li>Django</li>
<li>React</li>
<li>HTML5</li>
<li>CSS</li>
<li>PostgreSQL</li>
<li>AWS</li>
<li>AWS Lambda</li>
<li>AWS ECS</li>
<li>AWS SageMaker</li>
</ul>
Nice-to-Haves (Preferred): 
<ul>
<li>Docker</li>
<li>Kubernetes</li>
<li>CI/CD tools</li>
<li>MLOps tooling</li>
</ul>
Benefits: 
<ul>
<li>Competitive Salary: Based on experience and skills</li>
<li>Remote Work: Fully remote—work from anywhere</li>
<li>Performance Bonus: Based on data accuracy, reporting timeliness, and overall sales efficiency</li>
<li>Team Incentives: Recognition for maintaining 100% CRM hygiene and on-time reporting</li>
<li>Generous PTO: In accordance with company policy</li>
<li>Health Coverage for PH-based talents: HMO coverage after 3 months for full-time employees</li>
<li>Direct Mentorship: Guidance from international industry experts</li>
<li>Learning & Development: Ongoing access to resources for professional growth</li>
<li>Global Networking: Connect with professionals worldwide</li>
</ul>
Our Recruitment Process: 
<ul>
<li>Application</li>
<li>Screening</li>
<li>Skills Assessment</li>
<li>Top-grading Interview</li>
<li>Client Interview</li>
<li>Job Offer</li>
<li>Client Onboarding</li>
</ul>
Ready to Join Us?: 
If this role aligns with your skills and goals, apply now to take the next step in your journey with Pearl.

Senior Full-Stack Engineer - A226

Ruby Labs

<div><h1 class="jobSectionHeader">About us</h1>
Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/<h1 class="jobSectionHeader">
About the role</h1>
Ruby Labs is looking for an experienced Full-Stack Engineer (Next.js / Node.js) to join one of its portfolio companies, a leading provider of payment solutions. This role is ideal for a hands-on technical leader who enjoys balancing system design, people leadership, and active product development.
You will be responsible for shaping the technical architecture, guiding a team of engineers, and contributing directly to the development of scalable, secure, and high-performance applications. Working closely with product, analytics, and business stakeholders, you will help drive technical decisions that support growth, experimentation, and continuous improvement.
We are seeking someone with a strong engineering mindset, a passion for mentorship, and the ability to align technical execution with real business impact in a fast-paced, product-driven environment.<h1 class="jobSectionHeader">
Key Responsibilities</h1><ul><li>
Technical Leadership: Design system architecture, define the technology stack, and make key technical decisions for our projects.</li><li>
Team Management: Mentor, coach, and motivate a team of developers through regular 1-on-1s, constructive code reviews, and career growth planning.</li><li>
FullStack Development: Take an active, hands-on role in developing complex features and modules using Next.js for the frontend and NodeJS for the backend.</li><li>
Process Management: Implement and optimize Agile methodologies (Scrum/Kanban), including sprint planning, task estimation, and delivery oversight.</li><li>
Quality Assurance: Enforce best practices in coding, testing, caching, and performance monitoring to ensure a robust and scalable application.</li><li>
Security: Design and implement comprehensive security measures at the application, infrastructure, and data levels.</li><li>
Analytics &amp; Optimization: Collaborate closely with the product team to integrate analytics systems and conduct A/B tests to enhance the user experience.</li><li>
Innovation: Research and integrate emerging technologies, particularly AI-driven solutions, to improve the product and streamline development workflows.</li></ul><h1 class="jobSectionHeader">
Qualifications</h1><ul><li>
Next.js: Minimum 2 years active commercial experience (v14.x/v15.x), with at least two recent projects using Next.js as the primary frontend framework.</li><li>
NodeJS: At least 3 years hands-on with modern frameworks (NestJS, Fastify, Hono), with solid understanding of their architectural trade-offs.</li><li>
Databases: Strong PostgreSQL/Supabase skills, including query optimization and schema design.</li><li>
ORM: Expert in Prisma or Drizzle ORM, building complex queries and managing migrations.</li><li>
Caching: Deep knowledge of caching strategies (in-memory, distributed, CDN) and performance optimization (e.g., Redis).</li><li>
Docker: Proficient with Docker and docker-compose for containerized apps and deployments.</li><li>
Workers &amp; Queues: Practical experience with background workers and message queues (e.g., BullMQ, RabbitMQ) for async tasks.</li><li>
Security: Experienced in secure system design, protecting against OWASP Top 10, CSP, CORS, API security, and hardened hosting.</li><li>
Analytics &amp; A/B Testing: Skilled with analytics tools (Google Analytics, PostHog, Mixpanel) and A/B testing platforms.</li><li>
Leadership: 2+ years as Team Lead/Tech Lead with direct development team responsibility.</li><li>
Mentorship: Passionate about teaching, sharing knowledge, and fostering professional growth.</li><li>
Accountability: Proactive, results-driven, takes ownership of team and product success.</li></ul><h1 class="jobSectionHeader">
Nice to have</h1><ul><li>
Experience with CI/CD pipelines (e.g., GitHub Actions, GitLab CI).</li><li>
Experience with monorepo tools (e.g., Turborepo, Nx).</li><li>
Experience writing unit and integration tests (e.g., Jest, Playwright).</li></ul><h1 class="jobSectionHeader">
Location</h1>
Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately &plusmn; 4 hours of CET. This ensures optimal collaboration and communication during working hours.<h1 class="jobSectionHeader">
Benefits</h1>
Discover the perks of being part of our vibrant team! We offer:<ul><li>
Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance.
</li><li>Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days.
</li><li>Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge.
</li><li>Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them.
</li><li>Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities. Benefit from tax advantages, networking opportunities, reduced employment obligations, and the freedom to work from anywhere. Read more about it here: https://docs.google.com/document/d/1tzxGX4Uu7Ts_HCLFXESKLnKaaBfVCPf1f9AYZPrkjJM/preview?tab=t.0</li></ul>
Be part of our fast-growing team and seize this excellent opportunity for personal and professional growth!<h1 class="jobSectionHeader">
Interview Process</h1>
After submitting your application, we conduct a thorough review which typically takes 3 to 5 days, but may occasionally take longer due to the volume of applications received. If we see a potential fit, we proceed with the following steps:<ul><li>
Recruiter Screening (40 minutes)</li><li>
Technical Interview (60 minutes)</li><li>
Final Interview (30 minutes)</li></ul><h1 class="jobSectionHeader">
Life at Ruby Labs</h1>
At Ruby Labs, we move fast, aim high, and expect the same from our team. We&rsquo;re not here to play small&mdash;we&rsquo;re here to build, grow, and win. That means we look for people who are ambitious, driven, and ready to give their best every single day.
This is a place for individuals who thrive under pressure, embrace challenges, and see opportunity in every obstacle. If you&rsquo;re hungry to achieve, motivated by impact, and want to grow at the speed of your own ambition, Ruby Labs offers the platform to make it happen.
Here, effort is matched with reward. We recognize those who go all in and deliver results, and we create space for people who want more&mdash;more responsibility, more growth, and more success.
#LI-Remote</div>

Crowe LLP

<div>Your Journey at Crowe Starts Here:
At Crowe, you can build a meaningful and rewarding career. With real flexibility to balance work with life moments, you&rsquo;re trusted to deliver results and make an impact. We embrace you for who you are, care for your well-being, and nurture your career. Everyone has equitable access to opportunities for career growth and leadership. Over our 80-year history, delivering excellent service through innovation has been a core part of our DNA across our audit, tax, and consulting groups. That&rsquo;s why we continuously invest in innovative ideas, such as AI-enabled insights and technology-powered solutions, to enhance our services. Join us at Crowe and embark on a career where you can help shape the future of our industry.
Job Description:
About Crowe AI Transformation
Everything we do is about making the future of human work more purposeful. We do this by leveraging state-of-the-art technologies, modern architecture, and industry experts to create AI-powered solutions that transform the way our clients do business.
The new AI Transformation team will build on Crowe&rsquo;s established AI foundation, furthering the capabilities of our Applied AI / Machine Learning team. By combining Generative AI, Machine Learning and Software Engineering, this team empowers Crowe clients to transform their business models through AI, irrespective of their current AI adoption stage.
As a member of AI Transformation, you will help distinguish Crowe in the market and drive the firm&rsquo;s technology and innovation strategy. The future is powered by AI, come build it with us.
About the Team<ul><li>
We invest in expertise. You&rsquo;ll have the time, space, and support to go deep in your projects and build lasting technical and strategic mastery. You&rsquo;ll work with developers, product stakeholders, and project managers as a trusted leader and domain expert.</li><li>
We believe in continuous growth. Our team is committed to professional development and knowledge-sharing.
</li><li>We protect balance. Our distributed team culture is grounded in trust and flexibility. We offer unlimited PTO, a flexible remote work policy, and a supportive environment that prioritizes sustainable, long-term performance.</li></ul>
About the Role
We&rsquo;re hiring Senior Full-Stack Engineers to build intelligent workflow orchestration and ERP automation systems. You'll be instrumental in integrating agentic AI components with real-world enterprise systems. This is a hands-on engineering role ideal for someone deeply familiar with both agentic frameworks and ERP platforms. You&rsquo;ll own end-to-end service design, from backend logic and API orchestration to occasionally supporting front-end workflows. You should be excited to work with LLMs, distributed systems, and real-world enterprise integration constraints.<ul><li>
Build backend services and APIs that power autonomous and semi-autonomous workflows</li><li>
Lead the architecture, design, and full-stack development of scalable and responsive web applications leveraging modern frontend technologies (React/Angular, Next.js, TypeScript, JavaScript, MUI, Tailwind) integrated with secure, performant backend systems</li><li>
Use agentic frameworks (LangChain, Semantic Kernel, etc.) to coordinate multi-step logic, tool usage, and human review workflows</li><li>
Integrate with ERP systems (NetSuite, SAP, D365, etc.) and handle authentication, schema mapping, rate limits, and retries</li><li>
Design and optimize workflows for asynchronous processing, streaming updates, and long-running tasks using distributed job queues</li><li>
Support front-end engineers by designing endpoints and occasionally contributing UI components in React/TypeScript</li><li>
Contribute to system observability: logs, traces, metrics, and monitoring</li><li>
Design and manage efficient database schemas, ensuring optimal performance, scalability, and data integrity across both relational (SQL) and NoSQL (MongoDB) databases</li><li>
Conduct code reviews, mentor junior developers, and foster a collaborative, growth-oriented team environment</li></ul>
Required Skills<ul><li>
3+ years in full-stack or backend-focused software engineering roles</li><li>
Proficiency in Python, C# or .Net</li><li>
Hands-on experience with agentic AI frameworks in production environments</li><li>
Deep experience integrating with ERP systems such as NetSuite, SAP, or Dynamics 365, including REST/SOAP APIs and schema mapping</li><li>
Strong experience with SQL and NoSQL databases</li></ul><ul><li>
Experience deploying and maintaining LLM-integrated systems, including:<ul><li>
Prompt engineering</li><li>
OpenAI, Azure OpenAI, or Anthropic API integrations</li><li>
Toolchains and fallback strategies</li></ul></li><li>
Familiarity with vector databases (e.g., Pinecone, Weaviate, Qdrant) and retrieval-augmented generation (RAG)</li><li>
Experience writing tests for backend services and API layers</li><li>
Capable of designing for resilience and observability in distributed systems.</li><li>
Familiarity with Dockerized deployment environments and CI-integrated release pipelines</li><li>
Would require readiness to travel domestically approximately 80% of the time to meet client needs.</li></ul>
Preferred Skills<ul><li>
Passion for enterprise automation and real-world application of AI</li><li>
Demonstrated experience building agent workflows or orchestration engines</li><li>
Pragmatic problem solver who thrives in startup-like, highly iterative environments</li><li>
Relevant professional certifications (Azure Solutions Architect, Azure Developer Associate, or similar technical certifications)</li><li>
Extensive experience with DevOps methodologies, CI/CD pipelines, automated testing strategies, and infrastructure as code (IaC)</li><li>
Familiarity and experience working with Agile project management methodologies and tools</li><li>
Passion for knowledge-sharing and mentoring, demonstrated through internal presentations, comprehensive documentation, and fostering a collaborative team culture</li></ul>
We expect the candidate to uphold Crowe&rsquo;s values of Care, Trust, Courage, and Stewardship. These values define who we are. We expect all of our people to act ethically and with integrity at all times.
The application deadline for this role is 03/31/2026.
In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire. Crowe is not sponsoring for work authorization at this time.
The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Crowe, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $99,500.00 - $223,500.00 per year.
Our Benefits: 
Your exceptional people experience starts here. At Crowe, we know that great people are what makes a great firm. We care about our people and offer employees a comprehensive total rewards package. Learn more about what working at Crowe can mean for you! 
 
How You Can Grow: 
We will nurture your talent in an inclusive culture that values diversity. You will have the chance to meet on a consistent basis with your Career Coach that will guide you in your career goals and aspirations. Learn more about where talent can prosper! 
 
More about Crowe: 
Crowe (www.crowe.com) is one of the largest public accounting, consulting and technology firms in the United States. Crowe uses its deep industry expertise to provide audit services to public and private entities while also helping clients reach their goals with tax, advisory, risk and performance services. Crowe is recognized by many organizations as one of the country's best places to work. Crowe serves clients worldwide as an independent member of Crowe Global, one of the largest global accounting networks in the world. The network consists of more than 200 independent accounting and advisory services firms in more than 130 countries around the world. 
 
Crowe LLP provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, sexual orientation, gender identity or expression, genetics, national origin, disability or protected veteran status, or any other characteristic protected by federal, state or local laws.
Crowe LLP does not accept unsolicited candidates, referrals or resumes from any staffing agency, recruiting service, sourcing entity or any other third-party paid service at any time. Any referrals, resumes or candidates submitted to Crowe, or any employee or owner of Crowe without a pre-existing agreement signed by both parties covering the submission will be considered the property of Crowe, and free of charge.
Crowe will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles&rsquo; Fair Chance Initiative for Hiring Ordinance, Los Angeles County Fair Chance Ordinance, San Francisco Fair Chance Ordinance, and the California Fair Chance Act.
Please visit our webpage to see notices of the various state and local Ban-the-Box laws and Fair Chance Ordinances, where applicable.</div>

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