backend engineer

Bazzle Balloons

Job description:What You'll Work OnAs a Junior Backend Engineer, you will:<ul><li>Help design and build backend APIs and services using Node.js, NestJS, or Express.js.</li><li>Work with both SQL (MySQL, PostgreSQL) and NoSQL (MongoDB, DynamoDB) databases.</li><li>Use ORMs like Sequelize, MikroORM, or TypeORM to manage and access data.</li><li>Collaborate with frontend engineers (React.js, Vue.js) to deliver full-stack features.</li><li>Write clean, maintainable, and testable code using TypeScript.</li><li>Participate in code reviews, debugging, and system optimization.</li><li>Learn and contribute to cloud-based deployments (AWS, GCP, or Azure experience is a plus).</li><li>Contribute to prototyping and building new features with guidance from senior developers.</li></ul>Core Skills &amp; QualificationsWe are looking for someone with:<ul><li>1+ years of experience in backend software development.</li><li>Experience with Node.js and frameworks like NestJS or Express.js.</li><li>Hands-on experience with relational databases like MySQL or PostgreSQL.</li><li>Experience in writing unit and integration tests</li><li>Familiarity with NoSQL databases such as MongoDB or DynamoDB.</li><li>Experience with Sequelize, TypeORM, or similar ORMs.</li><li>Working knowledge of TypeScript.</li><li>Exposure to React.js or Vue.js for frontend work is a plus.</li><li>Familiarity with cloud platforms (AWS, GCP, or Azure) is a plus.</li><li>Experience with Python (FastAPI, Flask, or Django) is a plus.</li><li>Strong problem-solving skills and a willingness to learn.</li><li>Good communication skills and a collaborative mindset.</li></ul>What Sets You Apart<ul><li>Self-Starter: You take initiative, learn quickly, and are comfortable working with emerging technologies.</li><li>Continuous Learner: You&rsquo;re passionate about improving systems and growing as an engineer.</li><li>Team Player: You excel at communicating technical ideas clearly and collaborating with cross-functional teams.</li><li>Autonomous and Reliable: You manage your time effectively and balance cutting-edge exploration with sprint deliverables.</li></ul>Job Type: Full-timeApplication Question(s):<ul><li>How many years of experience do you have in Node.js and frameworks like NestJS or Express.js?</li><li>How many years of experience do you have in MySQL or PostgreSQL</li><li>How many years of experience do you have in NoSQL databases such as MongoDB or DynamoDB?</li><li>How many years of experience do you have in Sequelize, TypeORM, or similar ORMs?</li><li>How many years of experience do you have in TypeScript?</li><li>How many years of experience do you have in React.js or Vue.js?</li><li>How many years of experience do you have in cloud platforms (AWS, GCP, or Azure)?</li><li>How many years of experience do you have in Python (FastAPI, Flask, or Django)?</li></ul>Experience:<ul><li>backend software development: 2 years (Required)</li></ul>Work Location: Remote

Backend Engineer

Fanatics, Inc

<div>Overview

As a Staff Backend Engineer at Fanatics Betting &amp; Gaming (FBG), you are the architectural owner of the backend systems that power our iCasino experiences across mobile and web. You combine deep backend expertise with technical leadership&mdash;designing scalable, high-performance services and APIs that enable seamless, low-latency mobile experiences. 


You&rsquo;ll define the technical direction for backend architecture, guide engineers through complex design decisions, and collaborate closely with mobile, KMP, and web (TypeScript/React) teams to deliver cohesive, high-quality experiences. Your leadership balances rapid delivery with long-term platform health, fostering a culture of excellence, accountability, and innovation across teams. 


We power the iCasino experiences across the Fanatics Sportsbook &amp; Casino App, Standalone Casino App, and Casino Desktop website, leveraging Kotlin Multiplatform, Spring Boot, Java, React, and TypeScript. Our ambition is to build the top online casino in the U.S.&mdash;delivering experiences that are fun, dynamic, and technically world-class. 


Responsibilities
<ul>
<li>Own and evolve the backend architecture that powers iCasino experiences across mobile and web, ensuring scalability, performance, and reliability.</li>
<li>Design and implement distributed systems in Java and Spring Boot, building robust APIs and services that support cross-platform functionality.</li>
<li>Collaborate with KMP and mobile engineers to shape backend capabilities that deliver consistent, performant experiences across iOS and Android.</li>
<li>Partner with web engineers working in TypeScript and React to create efficient, well-structured integrations that enhance frontend agility and performance.</li>
<li>Lead large-scale technical initiatives, from architectural modernization to platform refactors and system integrations.</li>
<li>Drive backend and API best practices, establishing clear patterns for security, observability, and operational excellence.</li>
<li>Mentor and coach engineers, developing technical leaders and fostering a growth-oriented, collaborative culture.</li>
<li>Contribute to cross-functional strategy, aligning technical design with business goals and product priorities.</li>
<li>Lead architecture reviews, postmortems, and design sessions, ensuring continuous improvement and shared learning.</li>
<li>Stay ahead of emerging technologies, advocating for pragmatic adoption that strengthens our platform.</li>
<li>Be open to occasional travel to Fanatics offices or industry events for team planning, collaboration, and relationship-building.</li></ul> 


Required Qualifications
<ul>
<li>7+ years of professional software engineering experience, with deep expertise in Java and Spring Boot.</li>
<li>Proven ability to design and evolve high-scale, low-latency distributed systems with clear API contracts.</li>
<li>Strong understanding of web technologies&mdash;especially TypeScript and React&mdash;with the ability to partner effectively across the full stack.</li>
<li>Demonstrated experience leading architecture design and technical direction for backend platforms or complex products.</li>
<li>Deep understanding of performance, scalability, and maintainability tradeoffs in backend systems.</li>
<li>Skilled at mentoring engineers, driving technical alignment, and influencing cross-team architecture decisions.</li>
<li>Strong communicator who can articulate technical strategies across engineering, product, and leadership audiences.</li>
<li>Comfortable in fast-paced environments with a bias toward iteration, learning, and continuous improvement.</li></ul> 


Preferred Qualifications
<ul>
<li>Experience with AWS or other cloud platforms, including deployment automation and observability tooling (Datadog, Grafana, CloudWatch).</li>
<li>Familiarity with Kotlin Multiplatform and shared business logic across mobile and web clients.</li>
<li>Experience with Kubernetes and modern DevOps practices.</li>
<li>Exposure to event-driven architectures or message streaming systems (Kafka).</li>
<li>Proven ability to lead cross-functional initiatives, establish best practices, or modernize legacy systems.</li>
<li>Passion for developer experience, clean API design, and elegant, maintainable systems.</li></ul> 


We know not every candidate will check every box&mdash;and that&rsquo;s okay. If you&rsquo;re excited about owning the backend architecture that powers Fanatics&rsquo; iCasino experiences, passionate about full-stack collaboration (Java, KMP, React, TypeScript), and eager to help shape the future of our platform, we&rsquo;d love to hear from you. 


We value technical excellence, leadership through influence, and a growth mindset just as much as specific tool experience.

The expected salary range for this role is based on job-related knowledge, skills, and experience. This role is eligible for the Fanatics Betting and Gaming annual bonus program and an equity award. *Salary range is listed in USD; actual salary will vary based on location. *Salary Range: $144,000 - $282,000 per year (actual salary will be determined in part by a successful candidate&rsquo;s geographic location). In addition to base salary, bonus, and equity, full-time employees are eligible for Medical, Dental, Vision, 401K, paid time off, and other benefits like GymPass, Pet Insurance, Family Care Benefits, and more. We&rsquo;ll also give you $700 to set up your home office!</div>

Staff Backend Engineer

Alaan الآن

<div>
 
 About Alaan
 
 
 
 
 
 Alaan is the Middle East&rsquo;s first AI-powered spend management platform, built to help businesses save time and money.
 
 
 
 
 Our all-in-one solution combines smart corporate cards, real-time expense tracking, AI-powered automation, seamless accounting integrations, and deep financial insights- designed to simplify finance operations and maximize control over company spend.
 
 
 Founded in 2022, Alaan is already the trusted partner of over 1,300 leading businesses across the UAE, including G42, Careem, McDonald&rsquo;s, Tabby, Al Barari, Rove Hotels, Rivoli, and CarSwitch. Together, our customers have saved over AED 100 million with Alaan.
 
 
 In just three years, Alaan has become the #1 expense management platform in the Middle East- and we&rsquo;ve done it while becoming profitable.
 
 
 Backed by Y Combinator and top global investors- including founders and executives of leading startups- Alaan is built by a world-class team from McKinsey, BCG, Goldman Sachs, Barclays, Zomato, Careem, Rippling, and other high-growth companies.
 
 
 We&rsquo;re not just building software. We&rsquo;re reimagining how finance works for modern businesses across the region.
 
 
 
 About The Role
 
 
 
 As a Backend Developer, you will be responsible for designing, building, and maintaining the server-side logic, database architecture, and APIs that power our products. You will collaborate closely with front-end developers, product managers, and other stakeholders to deliver scalable, high-performance systems that meet the needs of our business.
 
 
 
 What You'll Do
 
 
 
 <ul>
 <li>
 Develop and maintain backend systems and services to ensure optimal performance and scalability
 </li>
 <li>
 Design and implement RESTful APIs and microservices for our fintech platform
 </li>
 <li>
 Collaborate with front-end developers and product managers to define, develop, and deliver features
 </li>
 <li>
 Write clean, reusable, and efficient code, following best practices
 </li>
 <li>
 Troubleshoot, debug, and upgrade existing applications as needed
 </li>
 <li>
 Ensure the security and integrity of backend systems, data, and APIs
 </li>
 <li>
 Participate in code reviews, providing constructive feedback to team members
 </li>
 <li>
 Monitor system performance and resolve production issues as they arise
 
 
 </li>
 </ul>
 
 What We Are Looking For
 
 
 
 <ul>
 <li>
 1.5 to 3 years of experience in backend development
 </li>
 <li>
 Proficiency in server-side programming languages such as Node.js, NestJS, Express, or Python
 </li>
 <li>
 Strong understanding of RESTful API design and development
 </li>
 <li>
 Experience with databases such as MySQL, MongoDB, or PostgreSQL, and data modeling
 </li>
 <li>
 Familiarity with cloud services like AWS, Azure, or Google Cloud, and DevOps tools such as Docker and Kubernetes
 </li>
 <li>
 Proficiency with version control systems like Git
 </li>
 <li>
 Understanding of software development best practices, including testing, security, and scalability
 </li>
 <li>
 Experience with caching tools such as Redis or Memcached
 </li>
 <li>
 Knowledge of unit testing frameworks like Mocha, Chai, Sinon, or Jest
 </li>
 <li>
 Excellent problem-solving skills and attention to detail
 </li>
 <li>
 Ability to work both independently and collaboratively in a fast-paced environment
 </li>
 <li>
 Experience with microservices architecture
 </li>
 <li>
 Familiarity with fintech or payment systems
 </li>
 <li>
 Knowledge of CI/CD pipelines and automated deployment tools
 </li>
 <li>
 Mandatory: Saudi national with engineering experience, bilingual in Arabic &amp; English
 
 
 </li>
 </ul>
 What's in it for you
 
 
 <ul>
 <li>
 Contribute to building the Middle East&rsquo;s most beloved fintech brand from the ground up
 </li>
 <li>
 Benefit from a role with significant ownership and accountability
 </li>
 <li>
 Thrive in a flexible hybrid culture with ample work-life balance
 </li>
 <li>
 Participate in exciting offsite events
 </li>
 <li>
 Competitive salary and equity
 </li>
 </ul>
</div>

Velents.ai

<div>
 حلول فيلينتس بالذكاء الاصطناعي تخدم أكثر من 5 وزارات حكومية في المملكة العربية السعودية والكثير من الشركات الكبيرة والناشئة في مختلف القطاعات مثل مجالات التوظيف، التعليم، تطوير الموظفين، تأهيل الطلاب، خدمة العملاء، المبيعات، وغيرها. وذلك من خلال تطوير واجهات برمجة التطبيقات مثل المحادثات التفاعلية مع الذكاء الاصطناعي، تحويل الصوت والفيديو إلى نص، .تحليل الفيديو، قراءة ومطابقة المستندات، اختبارات المهارات، ونظام مكافحة الغش. والمزيد والمزيد.. تعرف أكثر على حلول فيلينتس بالذكاء الاصطناعي من خلال موقعنا
 
 
 We don&rsquo;t need another server monkey.
 
 
 We need a
 
 backend assassin
 
 who lives and breathes
 
 APIs
 
 &mdash; clean, scalable, fast-as-hell APIs that connect our AI to the world.
 
 
 You&rsquo;ll be the one building the
 
 beating heart of our platform
 
 , exposing our AI power to customers, partners, and internal teams through beautifully designed, rock-solid APIs. No fluff. Just elegant endpoints and cold efficiency.
 
 
 
 What You&rsquo;ll Actually Do
 
 
 
 <ul>
 <li>
 Design, build, and ship public + internal APIs that are fast, stable, and well-documented
 </li>
 <li>
 Architect backend flows that keep our AI features running smooth and smart
 </li>
 <li>
 Work directly with product + frontend to make sure everything clicks and ships
 </li>
 <li>
 Handle auth, rate limits, versioning, and all the stuff juniors break
 </li>
 <li>
 Own your endpoints &mdash; monitor, test, optimize, and iterate fast
 
 
 </li>
 </ul>
 
 Your Stack (Or What You&rsquo;ll Dominate)
 
 
 
 <ul>
 <li>
 🧱 Languages: Node.js / Python / Go &mdash; if it builds APIs, you're in
 </li>
 <li>
 🌍 API Design: RESTful standards, OpenAPI, GraphQL (bonus)
 </li>
 <li>
 🔐 Auth: OAuth, JWT, API keys &mdash; you keep things locked tight
 </li>
 <li>
 🧪 Testing: Postman, integration tests, load tests &mdash; no half-built stubs
 </li>
 <li>
 ☁️ Infra: Docker, Postgres, Redis, and something to ship it (AWS/GCP/Fly.io)
 
 
 </li>
 </ul>
 
 Bonus If You...
 
 
 
 <ul>
 <li>
 Have built developer-facing APIs and obsessed over DX
 </li>
 <li>
 Know how to design pagination, filtering, error handling &mdash; and make it sexy
 </li>
 <li>
 Can refactor spaghetti into clean, documented routes
 </li>
 <li>
 Have shipped API gateways, rate-limiting layers, or versioned endpoints before
 
 
 </li>
 </ul>
 
 This Isn&rsquo;t For You If You...
 
 
 
 <ul>
 <li>
 Hate writing documentation (yes, real docs matter here)
 </li>
 <li>
 Just want to follow Jira tickets without asking why
 </li>
 <li>
 Get scared when an endpoint hits 10K+ requests/min
 </li>
 <li>
 Don&rsquo;t care what consumers do with your APIs
 
 
 </li>
 </ul>
 
 What You Get
 
 
 
 <ul>
 <li>
 Full ownership of the interfaces between product, AI, and users
 </li>
 <li>
 Autonomy to architect and ship &mdash; no red tape, just results
 </li>
 <li>
 A front-row seat to building AI infrastructure that matters
 </li>
 <li>
 A team that understands: your APIs are the product
 
 
 </li>
 </ul>
 This isn&rsquo;t backend support.
 
 
 This is
 
 API engineering at the frontlines of AI
 
 .
 
 
 Ready to build the pipes that power the future?
</div>

Harri - India

<div><div>About Harri:
harri is the frontline employee experience platform built for companies who have service at the heart of their business. The solution is built on the notion that the customer experience will never exceed the employee experience. The Harri suite of talent attraction, workforce management and employee engagement technologies enable organizations to attract, manage, engage and retain the best talent for their business.
Hospitality is in our DNA, with most of our global team having front line and management restaurant experience - we are changing the landscape of our industry and frontline workers technology. We need the very best and brightest to join us on this mission to disrupt the market as it stands today.
Based in NYC, Harri has global offices in the UK, Palestine and India and has been awarded: Top 50 Startup by LinkedIn, Best Enterprise Solution for HR/Workforce by HR Tech Awards &amp; NYC Best Tech Startup for the Tech in Motion Events Timmy Awards. 
If you&rsquo;re a builder, or problem solver, and love the fast pace of a startup, it&rsquo;s time to meet the Harri family. 
Who you are:
We are seeking an experienced Lead Backend Engineer.. In this role, you will lead and mentor a team of engineers technical leadership, and Collaborate effectively with cross-functional teams, including product managers, frontend engineers, and QA, to define, develop, and deploy new features and enhancements. 
Position description
The Lead Backend Engineer is responsible for designing, implementing, and maintaining scalable and efficient backend systems with a focus on performance, security, and reliability. The role requires expertise in Python, Django, databases (SQL &amp; NoSQL), API development, and cloud services (AWS). 
Role and Responsibilities
Duties and responsibilities for a Lead Backend Engineer position in our India team include, but are not limited to:<ul><li>
Write clean, modular, reusable, testable, and well-documented code that adheres to our coding standards and promotes maintainability.</li><li>
Proficient in writing unit tests and performing integration testing to ensure code reliability, maintainability, and seamless interaction between components</li><li>
Troubleshoot and debug complex production issues, identifying root causes and implementing effective solutions in a timely manner.</li><li>
Design, implement, and maintain scalable, efficient, and secure backend systems, with a focus on performance and reliability for our global user base.</li><li>
Maintain alignment with HARRI&rsquo;s global team(s) coding and design standards, ensuring consistency and interoperability.</li><li>
Demonstrate the ability to deliver high-quality work within agreed timelines.</li><li>
Proactively identify and implement optimizations to enhance system performance, ensuring high availability and responsiveness under varying loads.</li><li>
Architect and implement robust security structures and design efficient and scalable data storage solutions.</li><li>
Lead and mentor a team of engineers by providing technical guidance and support, including managing day-to-day activities, task assignments and deliverables.</li><li>
Take ownership of team deliverables, ensuring high quality and timely execution.</li><li>
Participate actively in the team expansion efforts, including sourcing, screening, and interviewing potential engineer candidates.</li><li>
Contribute to the onboarding and orientation of new team members.</li><li>
Provide regular progress updates to your line manager, highlighting achievements against established goals and key performance indicators (KPIs), challenges encountered, and potential roadblocks that may impact timelines or objectives.</li><li>
Collaborate effectively with cross-functional teams, including product managers, frontend engineers, and QA, to define, develop, and deploy new features and enhancements.</li><li>
Actively participate in knowledge sharing sessions, code reviews, and other team activities to foster a strong collaborative culture and contribute to the growth of team members.</li><li>
Stay current with relevant backend technologies, tools, and trends. Propose and drive the adoption of beneficial innovations, including AI.</li></ul> 
Qualifications:<ul><li>
Bachelor's or Master's degree in Computer Science or a related field.</li><li>
Strong knowledge of relational databases and SQL, including:</li><li><ul><li>
Proficiency in database design principles and best practices.</li><li>
Demonstrated ability to write and optimize complex SQL queries and stored procedures.</li></ul></li><li>
Experience with NoSQL databases like DynamoDB or MongoDB is highly desirable.</li><li>
Experience in Python development</li><li>
Experience with Python web frameworks, specifically Django.</li><li>
Experience with Python Object-Relational Mappers (ORMs) such as Django ORM and SQLAlchemy.</li><li>
Excellent grasp of data structures, algorithms, and Object-Oriented Programming (OOP) principles.</li><li>
Proven experience in designing and implementing RESTful APIs, Graph, gRPC and Sockets.</li><li>
Proficient with Git for version control and collaborative development workflows especially GitHub.</li><li>
Hands-on experience with AI tools, IDEs, prompts, and protocols such as Cursor, Copilot agent mode with VSCode, Pycharm Copilot, MCP servers, and Copilot on Github.com</li><li>
Exceptional problem-solving and analytical abilities, with a proactive approach to identifying and resolving issues.</li><li>
Solid understanding of the Software Development Life Cycle (SDLC) and agile methodologies.</li><li>
Experience working effectively in Agile development environments (e.g., Scrum, Kanban), including SAFe.</li><li>
Familiarity with JIRA tracking and project management tools, including defect lifecycle management.</li><li>
Knowledge of shell scripting (e.g., bash) is a plus.</li><li>
Experience with Service-Oriented Architecture (SOA) and microservices architectural patterns and best practices is a significant plus.</li><li>
Practical experience working with Amazon Web Services (AWS) and its core services.</li><li>
Experience with Continuous Integration/Continuous Deployment (CI/CD) tools and pipelines.</li><li>
Demonstrated experience in leading and mentoring software engineers.</li><li>
Experience in the hiring process, including sourcing and interviewing candidates.</li><li>
Excellent verbal and written English communication skills, with the ability to articulate technical concepts clearly and concisely.</li><li>
Strong interpersonal and collaboration skills, with a proven ability to work effectively within a team.</li></ul></div>
INDFOH</div>

Lead Backend Engineer

ZIEL Global Private Limited

About the Role We&rsquo;re hiring a Backend Engineer to build secure, scalable, and high-performance systems supporting complex multi-stakeholder workflows. You&rsquo;ll architect microservices, design APIs, and manage databases powering live dashboards, automated sourcing, and real-time analytics.Key Responsibilities<ul><li>Design and implement RESTful APIs and microservices architectures</li><li>Build and optimize databases for high-volume transactional data</li><li>Integrate authentication and authorization systems (OAuth 2.0, Azure AD)</li><li>Ensure system scalability, performance, and uptime</li><li>Troubleshoot, monitor, and continuously improve backend performance</li><li>Collaborate with frontend, DevOps, and data teams for cohesive delivery</li></ul>Qualifications<ul><li>5+ years of backend development experience</li><li>Strong command of at least one backend language (Python, Node.js, Go, or C#)</li><li>Proficiency with SQL/NoSQL databases</li><li>Experience with serverless and event-driven systems</li><li>Familiarity with CI/CD and cloud infrastructure (Azure, AWS, or GCP)</li><li>Strong problem-solving and debugging skills</li></ul>Preferred<ul><li>Experience with supply chain, ERP, or enterprise SaaS systems</li></ul>Job Type: Full-timeApplication Question(s):<ul><li>Are you available to join immediately?</li><li>How would you rate your English communication skills, spoken and written?</li><li>What are your salary expectations?</li></ul>Work Location: In person

Senior Backend Engineer

Digitrends

Senior Backend Engineer (Ruby on Rails 7.1) (7+ yrs)Responsibilities&middot; Design and develop backend services and GraphQL APIs using Ruby on Rails 7.1.&middot; Build and maintain scalable database schemas with PostgreSQL.&middot; Implement multi-tenancy, role-based access control, and background job processing.&middot; Ensure backend performance, security, and reliability.&middot; Collaborate with frontend and product teams to integrate APIs.&middot; Conduct code reviews, mentor engineers, and enforce backend best practices.Requirements&middot; 7+ years of experience.&middot; Strong expertise in Ruby on Rails and PostgreSQL.&middot; Experience with GraphQL APIs, multi-tenancy, and authentication systems.&middot; Knowledge of caching, job queues, and state machines.&middot; Familiarity with Docker-based deployments.&middot; Strong debugging, optimization, and communication skills.Tech Stack&middot; Ruby on Rails 7.1, GraphQL-Ruby, PostgreSQL, Apartment, Devise, Cancancan, Rolify&middot; Solid Queue, Solid Cache, Mission Control Jobs, Ransack, State Machines&middot; Apollo, Google Cloud Storage, Roo, Down, Lograge, Brakeman&middot; Deployment: Kamal (Docker)Please note this position is for Saudia ArabiaJob Type: Full-timePay: Rs300,000.00 - Rs900,000.00 per monthWork Location: In person

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