full stack software engineer

Crossing Hurdles

<div>
 
 Crossing Hurdles is a global recruitment firm partnering with leading US-based startups. We are hiring for a
 
 rapidly growing frontier AI infrastructure company
 
 backed by top-tier venture investors and building core systems for the next generation of AI agents. The company is well-capitalized, growing quickly, and building a highly technical team in
 
 San Francisco
 
 to work on some of the most challenging problems in reinforcement learning and AI infrastructure.
 
 
 
 
 
 
 Role Snapshot:
 
 
 
 
 Role:
 
 Member of Technical Staff
 
 
 
 Compensation:
 
 $160K &ndash; $600K + Competitive Equity
 
 
 
 Location:
 
 San Francisco, US | In-person (6 days/week)
 
 
 
 YOE:
 
 0+ years of experience in full-stack or infrastructure engineering, particularly in low-level systems or as a founding engineer
 
 
 
 Benefits:
 
 Competitive Equity + Visa Sponsorship (evaluated case-by-case)
 
 
 
 
 
 
 Why should you consider?
 
 
 <ul>
 <li>
 Work on reinforcement learning environments and infrastructure powering next-generation AI agents.
 </li>
 <li>
 Collaborate with a highly technical team solving complex systems and AI research problems.
 </li>
 <li>
 Build realistic simulation environments, data systems, and tasks for advanced AI training.
 </li>
 <li>
 High ownership in a fast-growing startup backed by top-tier investors.
 </li>
 <li>
 Operate at the frontier of AI development with meaningful real-world impact.
 </li>
 </ul>
</div>

Full Stack Software Engineer

Specright

<div>The Role 
You'll be joining the Formulate team at Specright &ndash; an intelligent, AI-powered workspace for food 
and beverage formula development. We're building a product that food and beverage 
companies rely on daily. You'll work closely with product leads and other engineers, own 
features end to end, and ship frequently. We have a strong team culture: code reviews, 
mentorship, and direct feedback are how we grow together. 
What you'll do: 
Build and ship customer-facing features across the full stack: UI, APIs, database, 
infrastructure 
Design data models, build REST APIs, build React components, and keep things fast 
and reliable 
Write tests, participate in code reviews, and hold a high bar for quality 
Work directly with product to scope, build, and iterate quickly based on real user 
feedback 
What we're looking for 
4+ years building production web apps with React, Next.js, TypeScript, and Node.js 
Solid experience with PostgreSQL (or similar relational DBs), ORMs like Prisma, and 
REST API design 
Strong coding fundamentals &ndash; you write clean, testable code and catch issues in code 
review 
Comfortable with testing (unit, integration, E2E), debugging, and working across the 
stack 
Exposure to cloud services (AWS) and CI/CD pipelines is a plus 
Experience with AI developer workflow tools (Claude Code, Cursor, Codex, etc.) as part 
of your coding process 
Clear async communication. We're remote-first and move fast You'll thrive here if you: 
Want to build, not just maintain. This is new product work 
Take ownership 
Are comfortable with a startup pace and a collaborative environment 
Stack: Next.js &middot; React &middot; TypeScript &middot; Tailwind &middot; Prisma &middot; PostgreSQL &middot; AWS &middot; Jest &middot; Playwright
Why Specright<ul><li>
Entrepreneurial culture. We're fast-paced, informal, and flat - collaboration and innovation matter more than hierarchy or fear of mistakes.</li><li>
Real impact. Your work will power AI capabilities that touch real supply chain decisions across major industries.</li><li>
Autonomy and ownership. We hire senior people and trust them to make decisions, ship fast, and continuously improve what they build.</li><li>
Global team. You'll collaborate across time zones with talented colleagues who care about craft.</li><li>
Competitive perks. Competitive salaries, flexible work hours, and a full benefits package (Medical, Vision, and Dental).</li></ul>
About Specright
Specright is the first purpose-built, patented platform for Specification Management. Whether it's 
packaging, raw materials, formulas, products, or machines, Specright helps companies digitize, map, and 
take action across their supply chain to reduce costs, increase profitability, and drive sustainability. 
Specright serves customers across industries, including packaging, food and beverage, consumer 
packaged goods, pharmaceutical, retail, industrials, and more. Recognized as a leader in Specification 
Management, Specright was named to the Deloitte Fast Technology 500 list in 2024, one of Fast 
Company's Most Innovative Companies for 2023, had three executives honored as SupplyDemand 
Chain Executive Pros to Know in 2023, and won Food Logistics' 2022 Top SoftwareTechnology 
Provider award. For more information, visit: www.specright.com.
We are an energetic company with an entrepreneurial, informal, versatile, intelligent, and fast-paced 
culture. We promote an open and relatively flat organization with an emphasis on collaboration, sharing 
ideas, and information. It's more important to innovate than to worry about making mistakes.
Specright is an equal opportunity employer. We celebrate diversity and are committed to creating an 
inclusive environment for all employees.</div>

Manulife

<div>
 Join our Customer identity &amp; access management engineering team as a full-stack engineer focused on CIAM using IBM Security Verify. You&rsquo;ll help build secure, customer-friendly authentication and authorization experiences across our digital channels, working with Node.js and React under guidance from senior engineers.
 
 
 
 Responsibilities
 
 
 
 <ul>
 <li>
 Implement and maintain CIAM features: registration, login, MFA, account recovery, consent, and profile management using IBM Security Verify.
 </li>
 <li>
 Build and update Node.js/TypeScript APIs and microservices (Express or NestJS) for auth and user profile flows.
 </li>
 <li>
 Develop React components/pages for authentication UX (hosted pages and embedded widgets) with accessibility and performance in mind.
 </li>
 <li>
 Integrate with IBM Security Verify: configure applications, policies, user directories, branding, and hooks; assist with SSO and social login setups.
 </li>
 <li>
 Apply standards and best practices for OAuth 2.0, OIDC, and JWT (including PKCE) across web and mobile flows.
 </li>
 <li>
 Implement secure session and token handling; contribute to CSRF/XSS/CORS mitigations and secure cookie management.
 </li>
 <li>
 Write tests (unit/integration/e2e) and participate in code reviews; document features and runbooks.
 </li>
 <li>
 Support CI/CD pipelines, environment configuration, and monitoring for identity services.
 </li>
 <li>
 Troubleshoot issues, triage bugs, and assist in root-cause analysis with senior guidance.
 
 
 </li>
 </ul>
 
 Required Qualifications
 
 
 
 <ul>
 <li>
 1&ndash;2 years of software development experience (internships/co-ops included) or strong project-based portfolio.
 </li>
 <li>
 Proficiency in JavaScript/TypeScript, Node.js (Express/NestJS), and React (Hooks, Context; basic state management).
 </li>
 <li>
 Basic understanding of OAuth 2.0, OIDC, JWT, and web auth flows (authorization code + PKCE).
 </li>
 <li>
 Familiarity with REST APIs, JSON, and front-end routing (React Router or Next.js).
 </li>
 <li>
 Knowledge of core web security concepts: XSS, CSRF, CORS, secure cookies.
 </li>
 <li>
 Experience with Git and CI/CD basics (GitHub Actions, GitLab CI, or Azure DevOps).
 </li>
 <li>
 Strong problem-solving, willingness to learn, and attention to detail.
 </li>
 <li>
 Exposure to IBM Security Verify (CIAM) configuration: apps, policies, MFA, branding, and user management.
 </li>
 <li>
 Experience with MFA methods (TOTP, push, SMS/email) and WebAuthn/passkeys.
 </li>
 <li>
 Understanding of accessibility (WCAG) and performance tooling (Lighthouse).
 </li>
 <li>
 Familiarity with cloud platforms (AWS/Azure/GCP), Docker, and Terraform basics.
 </li>
 <li>
 Experience with testing tools: Jest, React Testing Library, Cypress, Postman.
 
 
 </li>
 </ul>
 
 Preferred Qualifications
 
 
 
 <ul>
 <li>
 Key Learning Opportunities
 </li>
 <li>
 Hands-on mentorship in IBM Security Verify: tenant configuration, app integration, policies, flows, and SDKs.
 </li>
 <li>
 Secure auth design: PKCE, token lifecycles, session management, and adaptive MFA.
 </li>
 <li>
 Building observable services (logging, metrics, alerts) and contributing to reliability.
 </li>
 <li>
 Conversion-focused auth UX with analytics to improve registration/login funnels.
 </li>
 <li>
 Tools &amp; Technologies
 </li>
 <li>
 IBM Security Verify (CIAM platform)
 </li>
 <li>
 Node.js, TypeScript, Express/NestJS
 </li>
 <li>
 React, Next.js, React Query/Redux (as needed)
 </li>
 <li>
 OAuth 2.0, OIDC, JWT, PKCE, WebAuthn/MFA
 </li>
 <li>
 GitHub/GitLab, CI/CD, Docker; AWS/Azure/GCP (intro level)
 </li>
 <li>
 Jest, React Testing Library, Cypress, Postman, OpenAPI/Swagger
 </li>
 <li>
 Soft Skills:
 </li>
 <li>
 Growth mindset, curiosity, and ability to take feedback
 </li>
 <li>
 Clear communication and collaboration with cross-functional teams.
 </li>
 <li>
 Ownership of tasks, reliable delivery, and documentation habits.
 
 
 </li>
 </ul>
 
 When You Join Our Team
 
 
 
 <ul>
 <li>
 We&rsquo;ll empower you to learn and grow the career you want.
 </li>
 <li>
 We&rsquo;ll recognize and support you in a flexible environment where well-being and inclusion are more than just words.
 </li>
 <li>
 As part of our global team, we&rsquo;ll support you in shaping the future you want to see.
 
 
 </li>
 </ul>
 The role being advertised is an existing vacancy.
 
 
 
 About Manulife And John Hancock
 
 
 
 Manulife Financial Corporation is a leading international financial services provider, helping people make their decisions easier and lives better. To learn more about us, visit https://www.manulife.com/en/about/our-story.html.
 
 
 
 Manulife is an Equal Opportunity Employer
 
 
 
 At Manulife/John Hancock, we embrace our diversity. We strive to attract, develop and retain a workforce that is as diverse as the customers we serve and to foster an inclusive work environment that embraces the strength of cultures and individuals. We are committed to fair recruitment, retention, advancement and compensation, and we administer all of our practices and programs without discrimination on the basis of race, ancestry, place of origin, colour, ethnic origin, citizenship, religion or religious beliefs, creed, sex (including pregnancy and pregnancy-related conditions), sexual orientation, genetic characteristics, veteran status, gender identity, gender expression, age, marital status, family status, disability, or any other ground protected by applicable law.
 
 
 It is our priority to remove barriers to provide equal access to employment. A Human Resources representative will work with applicants who request a reasonable accommodation during the application process. All information shared during the accommodation request process will be stored and used in a manner that is consistent with applicable laws and Manulife/John Hancock policies. To request a reasonable accommodation in the application process, contact hr@manulife.com.
 
 
 
 Referenced Salary Location
 
 
 
 USA, Massachusetts, Boston, 200 Berkeley Street
 
 
 
 Working Arrangement
 
 
 
 Hybrid
 
 
 
 Salary range is expected to be between
 
 
 
 $90,160.00 USD - $167,440.00 USD
 
 
 Employees also have the opportunity to participate in incentive programs and earn incentive compensation tied to business and individual performance. The actual salary will vary depending on local market conditions, geography and relevant job-related factors such as knowledge, skills, qualifications, experience, and education/training. If you are applying for this role outside of the primary location, please contact hr@manulife.com for the salary range for your location.
 
 
 Manulife/John Hancock offers eligible employees a wide array of customizable benefits, including health, dental, mental health, vision, short- and long-term disability, life and AD&amp;D insurance coverage, adoption/surrogacy and wellness benefits, and employee/family assistance plans. We also offer eligible employees various retirement savings plans (including pension/401(k) savings plans and a global share ownership plan with employer matching contributions) and financial education and counseling resources. Our generous paid time off program in the U.S. includes up to 11 paid holidays, 3 personal days, 150 hours of vacation, and 40 hours of sick time (or more where required by law) each year, and we offer the full range of statutory leaves of absence.
 
 
 We use data and analytics technologies, such as artificial intelligence (AI), and automated processing tools, to analyze and process the information you provide to us or third parties in the application process. For more information, please refer to our personal information collection statement.
 
 
 Know Your Rights
 
 I
 
 
 Family &amp; Medical Leave
 
 
 I
 
 
 Employee Polygraph Protection
 
 
 I
 
 
 Right to Work
 
 
 I
 
 
 E-Verify
 
 
 
 Company: John Hancock Life Insurance Company (U.S.A.)
</div>

Full-Stack Software Engineer

SpaceX

<div>
 SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.
 
 
 
 FULL STACK SOFTWARE ENGINEER (COMPONENTS)
 
 
 
 The Components Engineering Team develops the world&rsquo;s best flight hardware and fabricates it at an in-house machine shop for Starship. The team is making a next generation machine shop with advanced software and automation, an alien dreadnought machine that builds the machine. As a software engineer, you will design novel software solutions such as web applications for efficient factory operation, algorithms and AI to automatically create CNC programs, control and deployment of CNC machines, and much more. These improvements will enable rapid Starship production rates of 100+ per year as well as a quick development cycle, which are critical for SpaceX&rsquo;s Moon and Mars missions. Previous manufacturing experience is not necessary, just the desire to make high-quality software to rapidly build Starships.
 
 
 
 Responsibilities
 
 
 
 <ul>
 <li>
 Develop highly reliable software solutions that are used across many SpaceX teams
 </li>
 <li>
 Own all aspects of software development, including design, testing, and deployment
 </li>
 <li>
 Rapidly create new applications that improve the production cycle time in the machine shop and the time to go from CAD to part in hand
 </li>
 <li>
 Deep dive into your users&rsquo; problems to find and create efficient solutions
 </li>
 <li>
 Bring your voice to the table in team collaborations on architecture, design, and code reviews
 
 
 </li>
 </ul>
 
 Basic Qualifications
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in computer science, computer engineering, physics or other engineering discipline; OR 2+ years of professional experience building software in lieu of a degree
 </li>
 <li>
 Experience in full stack development
 
 
 </li>
 </ul>
 
 Preferred Skills And Experience
 
 
 
 <ul>
 <li>
 Developed, debugged, and deployed software that has been used in real world applications and projects
 </li>
 <li>
 Excellent communication skills both written and verbal
 </li>
 <li>
 Thorough knowledge of computer architecture and networks
 </li>
 <li>
 Knowledge of AI tools and how to best solve problems using AI solutions
 </li>
 <li>
 Creative approach to problem solving, exceptional analytical skills and engineering fundamentals
 </li>
 <li>
 Programming experience in Python, JavaScript, C#, .NET, Java, or similar object-oriented language
 </li>
 <li>
 Front-end experience in Angular, React, or similar JavaScript framework
 </li>
 <li>
 Experience with web-technologies such as nginx, haproxy, redis
 </li>
 <li>
 Experience with build systems like Make and package management tools such as pip, npm, nuget
 </li>
 <li>
 Experience with UNIX-like operating systems and tools like Terraform, Ansible, Puppet for managing them
 </li>
 <li>
 Production experience with Docker, Kubernetes, or other container and deployment tools
 </li>
 <li>
 Database experience with PostgreSQL, SQL Server, or similar database technologies
 
 
 </li>
 </ul>
 
 Pay Range
 
 
 
 
 COMPENSATION AND BENEFITS:
 
 
 
 Level I: $125,000.00 - $145,000.00/per year
 
 
 Level II: $145,000.00 - $175,000.00/per year
 
 
 Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.
 
 
 Base salary is just one part of your total rewards package at SpaceX. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. You will also receive access to comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short and long-term disability insurance, life insurance, paid parental leave, and various other discounts and perks. You may also accrue 3 weeks of paid vacation and will be eligible for 10 or more paid holidays per year. Employees accrue paid sick leave pursuant to Company policy which satisfies or exceeds the accrual, carryover, and use requirements of the law.
 
 
 
 Itar Requirements
 
 
 
 <ul>
 <li>
 To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C.
 </li>
 <li>
 1157, or (iv) Asylee under 8 U.S.C.
 </li>
 <li>
 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.
 
 
 </li>
 </ul>
 SpaceX is an Equal Opportunity Employer; employment with SpaceX is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.
 
 
 Applicants wishing to view a copy of SpaceX&rsquo;s Affirmative Action Plan for veterans and individuals with disabilities, or applicants requiring reasonable accommodation to the application/interview process should reach out to EEOCompliance@spacex.com
 
 .
 
</div>

Full Stack Software Engineer (Components)

<div><div>SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.</div>
FULL STACK SOFTWARE ENGINEER, DATA (STARLINK)

At SpaceX we're leveraging our experience in building rockets and spacecraft to deploy Starlink, the world's most advanced broadband internet system. Starlink is the world's largest satellite constellation and is providing fast, reliable internet to 9M+ users worldwide. We design, build, test, and operate all parts of the system &ndash; thousands of satellites, consumer receivers that allow users to connect within minutes of unboxing, and the software that brings it all together. We've only begun to scratch the surface of Starlink's potential global impact and are looking for the world's best engineers to help maximize Starlink's utility for communities and businesses around the globe.

As a software engineer on the Starlink program, you will be solving challenges that improve our ability to fully utilize the hardware we have deployed. Our goal is to provide customers with the best possible satellite internet experience, often providing under-served communities with affordable, life-changing broadband internet access.

Aerospace experience is not required for success here - rather, we look for smart, motivated, and collaborative software engineers who love solving problems and want to make an impact on a truly inspiring mission. You will have full ownership of challenging problems, working with a team of enthusiastic engineers to design and produce solutions that enable SpaceX to move towards our goals at a rapid pace. The success of the missions at SpaceX depends on the software that you and your team produce.

RESPONSIBILITIES:
<ul>
<li>Develop a highly reliable and scalable enterprise data platform empowering users to ingest, process, store, and query at petabyte-scale</li>
<li>Create new functionality and end-to-end data pipelines that improve how the business at SpaceX operates</li>
<li>Collaborate with peers on architecture, design, and code reviews</li>
<li>Build prototypes to prove out key design concepts and quantify technical constraints</li>
<li>Own all aspects of software engineering and product development</li>
<li>Deep dive into business problems, find efficient solutions and apply first principles thinking</li>
</ul>
BASIC QUALIFICATIONS:
<ul>
<li>Bachelor's degree in computer science, data science, engineering, math, physics, or scientific discipline; OR 2+ years of professional experience building software in lieu of a degree</li>
<li>1+ years of experience in full stack development, software engineering, data engineering, or data science</li>
</ul>
PREFERRED SKILLS AND EXPERIENCE:
<ul>
<li>Programming experience in Scala, Java, C#, Python, Go or similar languages</li>
<li>Frontend experience in Angular, React, or similar JavaScript frameworks</li>
<li>Experience optimizing in-stream, big data processing and analytics frameworks like Apache Kafka, Spark, Flink, or similar</li>
<li>Experience with relational and non-relational databases, data lakes e.g. Hive, Delta Lake, PostgreSQL, CockroachDB or similar</li>
<li>Experience with data exploration tools like Grafana, Metabase, PowerBI or similar</li>
<li>Good understanding of version control, testing, continuous integration, build, deployment and monitoring</li>
<li>Good understanding of statistics, machine learning algorithms and frameworks</li>
</ul>
ADDITIONAL REQUIREMENTS:
<ul>
<li>Willing to work extended hours and weekends when needed</li>
</ul><div>COMPENSATION AND BENEFITS:</div>
<div></div>
<div>Pay Range:</div>
<div>Software Engineer/Level I: $125,000.00 - $145,000.00/per year</div>
<div>Software Engineer/Level II: $145,000.00 - $175,000.00/per year</div>

Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience.

Base salary is just one part of your total rewards package at SpaceX. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. You will also receive access to comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short and long-term disability insurance, life insurance, paid parental leave, and various other discounts and perks. You may also accrue 3 weeks of paid vacation and will be eligible for 10 or more paid holidays per year. Employees accrue paid sick leave pursuant to Company policy which satisfies or exceeds the accrual, carryover, and use requirements of the law.<div> 
ITAR REQUIREMENTS:
<ul>
<li>To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. &sect; 1157, or (iv) Asylee under 8 U.S.C. &sect; 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.</li>
</ul>
SpaceX is an Equal Opportunity Employer; employment with SpaceX is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.

Applicants wishing to view a copy of SpaceX's Affirmative Action Plan for veterans and individuals with disabilities, or applicants requiring reasonable accommodation to the application/interview process should reach out to EEOCompliance@spacex.com.</div></div>

Full Stack Software Engineer, Data (Starlink)

Sana Commerce

<div>
 
 What started in 2007 with a pizza and a plan has grown into a fast-moving SaaS company empowering manufacturers, distributors, and wholesalers to thrive in complex B2B commerce.
 
 
 
 
 Our mission is simple: help businesses build stronger relationships through seamless digital commerce.
 
 
 
 
 At Sana Commerce, you&rsquo;ll join a team that&rsquo;s bold, growth-oriented, and customer-obsessed, where every engineer has real ownership and impact.
 
 
 
 
 
 About the role
 
 
 
 
 
 We&rsquo;re looking for a Senior Full Stack Software Engineer who can help us build a high performance, scalable e-commerce platform.
 
 
 
 
 You will be playing a critical role in expanding our product at speed, while building features that help our customers grow, and contributing to our initiative of bringing engineering excellence to a new level.
 
 
 
 
 
 
 Job Description
 
 
 
 
 
 What you'll be doing
 
 
 
 
 <ul>
 <li>
 Design and develop robust, scalable, and high-performance software systems using C#, .NET, TypeScript (ES6), React.js, Redux, RxJS, Webpack, and GraphQL
 </li>
 <li>
 Collaborate with a cross-functional team to define, design, and ship new features
 </li>
 <li>
 Lead the system design, testing and coding standards efforts, contributing with clean &amp; high-performance code and architecture
 </li>
 <li>
 Implement modern best practices and patterns in software engineering
 </li>
 <li>
 Mentor software engineers
 </li>
 <li>
 Conduct code reviews and ensure coding standards, best practices, and security guidelines are implemented
 </li>
 <li>
 Troubleshoot, debug, and upgrade existing software
 </li>
 <li>
 Stay up to date with emerging trends and technologies in software development to continuously improve our products and processes
 
 
 </li>
 </ul>
 
 Qualifications
 
 
 
 
 
 
 What you'll bring:
 
 
 
 
 
 <ul>
 <li>
 Bachelor&rsquo;s degree in Computer Engineering
 </li>
 <li>
 5+ years of experience in software development, with a strong background in web development using C#, .NET and React
 </li>
 <li>
 You have a strong engineering mindset and experience in having end to end ownership of the software you build (DevOps, testing, system design, observability, git version control)
 </li>
 <li>
 You have solid experience with reactive programming principles and flux architecture
 </li>
 <li>
 You have designed scalable, complex systems based on services-oriented architecture, on cloud (Azure Cloud preferred) and you are familiar with event driven architecture and domain driven design
 </li>
 <li>
 You have a strong drive to continuously improve your craft
 </li>
 <li>
 You have a passion for mentoring and guiding team members
 </li>
 <li>
 You&rsquo;ve fully embraced generative AI tools, and you&rsquo;ve found your way using AI to help you be a high-performing engineer, deliver faster and at a higher quality
 </li>
 <li>
 You are experienced in working in an agile environment
 </li>
 <li>
 You have excellent problem-solving skills
 </li>
 <li>
 Your communication and teamwork skills enable you to effectively collaborate with cross-functional teams and find solutions to new challenges
 </li>
 </ul>
 
 
 Why you&rsquo;ll love working here
 
 
 
 
 <ul>
 <li>
 Impact from day one &ndash; Join a scale-up where your ideas shape how global businesses operate online.
 </li>
 <li>
 Continuous learning &ndash; Access a structured onboarding rated 9.1/10 by previous hires, mentorship, and feedback culture.
 </li>
 <li>
 Hybrid flexibility &ndash;
 
 Work from our Alexandria office 3 days per week
 
 and from home 2 days.
 </li>
 <li>
 Career growth &ndash; Expand your technical and leadership scope in a company built for long-term success.
 </li>
 </ul>
 
 
 Our values
 
 
 
 
 
 At Sana Commerce, our values drive everything we do:
 
 
 
 <ul>
 <li>
 Champions of Our League &ndash;
 
 We deliver lasting success, balancing quick wins and long-term value
 
 </li>
 <li>
 Supercharge Our Customers &ndash;
 
 We&rsquo;re revolutionizing B2B commerce together, helping our customers to lead and succeed.
 
 </li>
 <li>
 Determined to Grow &ndash;
 
 We embrace challenges, growing and raising the bar for ourselves and our industry.
 
 </li>
 <li>
 Bold Together &ndash;
 
 We dare to be bold because we have each other&rsquo;s back.
 
 </li>
 </ul>
 
 
 Ready to build reliability that scales?
 
 
 
 
 
 Apply now and help shape the foundation of our next-generation SaaS platform.
 
 
 
 
 
 
 Additional Information
 
 
 
 
 
 
 
 
 
 
 
</div>

Senior Full Stack Software Engineer - Alexandria

David Joseph & Company

<div>
 
 Location:
 
 New York City, NY (Onsite) |
 
 Compensation:
 
 $240,000 &ndash; $270,000 |
 
 Equity:
 
 0.5% &ndash; 1%
 
 
 
 About Kobalt Labs
 
 
 
 Kobalt Labs is a Series A AI startup operating in fintech and compliance, scaling rapidly from $1M to $2M ARR in under two months. The team is extremely small and high caliber, with engineers from Meta, Affirm, and prior founding CTO backgrounds. The culture is flat, fast-moving, and product-driven, with engineers directly interacting with customers and owning roadmap decisions.
 
 
 The Role
 
 
 This is a staff-level full-stack role with near-founder level ownership. Engineers are expected to operate across product, infrastructure, and customer interaction, building systems that are both scalable and actively used.
 
 
 There are multiple focus areas within the role:
 
 
 <ul>
 <li>
 Vendor Risk Management (frontend-leaning): Own and build the frontend experience using React and Next.js for compliance workflows
 </li>
 <li>
 Marketing Compliance (backend-leaning): Own backend systems including APIs, pipelines, and infrastructure using Python and FastAPI
 </li>
 <li>
 Marketing Compliance (ML focus): Build models, evaluation frameworks, and AI pipelines powering automated compliance systems
 
 
 
 </li>
 </ul>
 What You'll Do
 
 
 <ul>
 <li>
 Build and ship full-stack features across Python, FastAPI, React, and Next.js
 </li>
 <li>
 Work directly with customers weekly, translating feedback into scalable product improvements
 </li>
 <li>
 Drive roadmap decisions based on product vision and customer insight
 </li>
 <li>
 Design systems that are scalable, extensible, and production-ready
 </li>
 <li>
 Contribute to architecture and technical direction alongside founding team
 </li>
 <li>
 Lead expansion into new product areas as the company grows
 
 
 
 </li>
 </ul>
 What We're Looking For
 
 
 <ul>
 <li>
 4 to 7 years of full-stack engineering experience with staff-level thinking
 </li>
 <li>
 Strong backend experience with Python and FastAPI
 </li>
 <li>
 Strong frontend experience with React and Next.js
 </li>
 <li>
 Proven experience building products that are actively used in production
 </li>
 <li>
 Infrastructure or systems-level thinking across full-stack environments
 </li>
 <li>
 Comfort working with modern AI tools and workflows
 </li>
 <li>
 High ownership and ability to operate without structure
 </li>
 <li>
 Ability to work directly with customers and extract meaningful product signals
 </li>
 <li>
 Must be based in or willing to relocate to New York City and work onsite
 
 
 
 </li>
 </ul>
 
 US citizenship required. Multiple hires.
 
 
 
 Interview Process
 
 
 Intro call with CTO and Co-Founder Onsite conversations with engineering team Optional coding interview Final conversation with Co-Founder 2 to 3 day paid onsite work trial Offer
</div>

Full-Stack Software Engineer — Kobalt Labs

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Full-Stack Software Engineer — Kobalt Labs