Backend- Developer

Fountane Archipelago  ·  Island Role

A Little Bit About the Role

We are looking for a Senior Product Engineer (L3) who thrives in complexity. Most engineers build on blank canvases — you build on someone else’s mess and leave it better than you found it.

The majority of your work at L3 will be on existing, live codebases — disorganised, partially documented, built by multiple teams over multiple years. Your job is to enter those systems, understand them before touching them, extend and clean them without breaking what works, and progressively bring them up to a standard where AI tooling can accelerate further development. This is the core of what L3 does at Fountane. If you have only built greenfield projects, this role will be hard.

You are expected to be genuinely full stack: comfortable owning web applications and mobile apps, the frontend, backend, database, state management, and API integration layer — without needing to hand off to a specialist.

You will work closely with the Concept Engineer on your Island — translating their prototypes into production architecture, raising technical blockers early, and keeping the sprint honest. You will also review code, mentor junior engineers, respond to production incidents, and contribute to the network’s shared knowledge base.

All of this is done primarily with Cursor and Claude as your execution and reasoning tools. AI-assisted engineering is not a feature of this role — it is the method.

AI-First Engineering Expectation

Cursor and Claude are your primary tools — not supplements. Engineers at L3 who are not using AI at the codebase level are not operating at this level.

At L3, AI-assisted engineering means:

• Loading full codebase context into Cursor before writing a single line — understanding the system before touching it.
• Writing scoped, precise refactor prompts that isolate changes to one concern at a time.
• Using Cursor to generate tests that document existing behaviour before any restructuring begins.
• Using Claude for architecture reasoning, decision documentation, and translating CE briefs into structured technical plans.
• Producing inline documentation and decision records as part of the AI-assisted workflow — not as an afterthought.
• Sharing effective prompt patterns and Cursor discoveries with the broader Fountane network — kept to yourself, they are a missed contribution.

Key Responsibilities

Legacy Codebase Refactoring & the Cleaning Phase

This is the primary L3 engagement type at Fountane. You will be handed existing, partially documented codebases — built by previous teams, often without tests, with inconsistent patterns — and your job is to refactor them into a clean, AI-promptable state without losing existing functionality. You use Cursor’s codebase context window to navigate safely, write characterisation tests before touching anything, and make changes in small, reviewable increments. The standard is: every module you leave should be easier to extend by AI tooling than when you found it.

Full Stack Development — Web & Mobile

Build and own the full application layer: React / Next.js web frontends, React Native or Flutter mobile apps, Node.js / Python backends, and relational and non-relational databases. You should be able to pick up web or mobile on any engagement without needing a handoff. Schema design, data modelling, and state architecture are yours to own — including diagnosing and fixing broken or leaking state in existing frontends.

Third-Party API Integrations

Integrate complex third-party services — payments (Stripe), communications (Twilio), auth (Auth0), and others — reliably and without creating brittle dependencies. Own the integration layer end to end: error handling, retries, failure modes, and documentation. If a third-party integration is flaky in production, that is your problem to own.

CE Collaboration & Sprint Integrity

Work directly with the Concept Engineer to translate prototypes into buildable technical plans. Review CE briefs before the sprint starts — if the scope is technically unrealistic, the time to say so is before work begins, not on demo day. Raise blockers against acceptance criteria proactively. You are the technical check on what the CE promises the client.

Security Awareness

Write code that does not require the Lead to security-audit every line. This means: input validation by default, no hardcoded secrets, correct auth scoping, safe handling of user data, and awareness of common vulnerabilities (injection, broken auth, insecure direct object references) in the context of the stacks you work in. You are not the security architect — the Lead owns that — but you are expected to produce code that does not introduce obvious vulnerabilities.

Production Incident Response

When something breaks in production, you are on it. Diagnose the issue, apply a safe fix or rollback, document what happened and why, and hand a clear summary to the Lead for the client post-mortem. Speed matters, but a bad fix that causes a second incident is worse than a slow fix that is correct. Response expectation: acknowledged within 1 hour, resolved or escalated with a clear status within 4 hours.

Codebase Navigation & Safe Refactoring

On all engagements — not just Cleaning Phase work — keep changes small, focused, and reviewable. One type of change per commit. Write tests that document existing behaviour before restructuring. Leave every module easier to understand than when you found it.

Code Review

Review pull requests from L1 and L2 engineers with specific, actionable feedback — not rubber-stamp approvals. A good code review at L3 leaves the author understanding what to do differently next time, not just what to fix now. Review weekly; do not let PRs age.

Mentoring

Review junior engineers’ code weekly with specific, useful feedback — this is distinct from quality-gate code review. The goal here is teaching, not gatekeeping. Run monthly pairing sessions to help them grow. The measure of good mentoring is whether they are becoming more capable and less dependent on you over time.

Documentation

Write short decision records when you make significant technical choices. Leave every module you touch easier to understand than when you found it. Treat documentation as part of the engineering work, not a separate task you do at the end.

Qualifications

• 5+ years of experience as a software engineer, with a strong track record on real production codebases you did not build from scratch — incomplete documentation, inconsistent patterns, other people’s decisions. If your experience is primarily greenfield, this role will be a difficult fit.
• Genuinely full stack across web and mobile: proficient in React / Next.js and at least one of React Native or Flutter, Node.js or Python on the backend, and comfortable with both relational and non-relational databases including schema design.
• Hands-on, daily Cursor and Claude usage at the codebase level. You should be able to describe concretely how you use AI in your engineering workflow — not in general terms.
• Experience integrating complex third-party APIs in production environments — not just following a quickstart guide. You should be able to describe an integration that failed in production and what you did about it.
• Solid security awareness for the stacks you work in: input validation, auth scoping, safe data handling. You do not need a security specialism, but you should not be writing code that introduces obvious vulnerabilities.
• Has conducted meaningful code reviews that improved the code and the author, not just approved the PR.
• Has coached or mentored junior engineers before, and done it well.
• Comfortable with production incident response — diagnosing issues under pressure, applying safe fixes, and communicating clearly to a Lead or client about what happened.
• Treats documentation as part of the job, not an afterthought.
• Bachelor’s or Master’s in Computer Science or a related field, or equivalent experience.

About Fountane

Fountane is a technology ventures lab - one part product studio, one part startup engine. We build high-quality software and AI products for clients ranging from fast-moving startups to large enterprises, and we co-build and invest in new companies when we see the right opportunity.

Founded in 2017 and headquartered in Minneapolis, we have grown to 60+ people across four continents and were recognised as one of America’s fastest-growing companies, ranking No. 699 on the Inc. 5000 with 595% three-year growth.

We are radically open-minded, serious about craft, and direct about expectations. If you want to do meaningful work without politics, this is the place.

Role : .NET Developer Location – Gurgaon Key Responsibilities What role will you play? In this role, you will collaborate with stakeholders and analysts to define requirements, while working closely with the team on development, testing, and deployment activities. You will support production operations, engage directly with users, and help maintain system stability, using this experience as a key learning opportunity. You will also deliver high-quality platform enhancements, build strong relationships with technical and non-technical stakeholders, and act as a subject matter expert to ensure best practices and professional standards are consistently upheld. • 9–14 years of hands-on experience in C# and .NET full-stack development • Strong extensive experience in financial markets and low-latency, multithreaded systems • Solid expertise in SQL and database design and optimization • Proven experience leading small development teams • Familiarity with message-based integration, including protocols such as FIX • Actively learn and apply financial domain knowledge • for this role we are specifically looking for candidates with strong domain expertise as well. • This is a Front Office Trading Engineering role, so it’s important that the candidate understands key business concepts and nuances, such as sell-side vs buy-side, equities vs derivatives, and instruments like futures, options, and swaps. • Ability to work in an agile environment and handle end-to-end development responsibilities Required Skills & Experience • 3–10 years of professional experience in .NET development • Strong hands-on experience with C#, ASP.NET, and .NET Core • Excellent understanding of data structures, algorithms, and problem-solving techniques • Experience and strong interest in algorithm-driven or computation-intensive applications • Excellent communication skills, with the ability to bridge business language and technical implementation • Proven ability to learn quickly and work effectively in a highly collaborative environment • Strong inclination to work within the financial services domain; experience with repo products, secured funding, or lending is highly regarded

Responsibilities

• Design and develop scalable web applications using Java and Angular/React
• Collaborate with cross-functional teams to define, design, and ship new features
• Maintain code quality through code reviews and automated testing
• Implement RESTful APIs to support front-end functionality
• Troubleshoot and debug applications to ensure optimal performance
• Participate in agile development processes and contribute to continuous improvement

Qualifications

• Bachelor's degree in Computer Science or related field
• 3+ years of experience in full stack development using Java and Angular/React
• Strong understanding of front-end technologies like HTML, CSS, and JavaScript
• Experience with back-end development including RESTful API design
• Familiarity with database technologies such as SQL and NoSQL
• Excellent problem-solving skills and attention to detail

Job Title: Full Stack Developer

Location: Bengaluru, India

Experience: 5–8 Years

Employment Type: Full-time

Company Overview

iAI Solution Pvt Ltd (https://iaisolution.com/) operates at the edge of applied AI where foundational research meets real-world deployment. We craft intelligent systems that think in teams, adapt with context, and deliver actionable insights across domains.

Position Summary

We are seeking an experienced Full Stack Developer (5–8 years) to design, build, and maintain scalable frontend and backend systems across multiple domains. You’ll work closely with product, DevOps, and other stakeholders to deliver mission-critical solutions that power our growth.

But beyond just technical chops, we want a go-getter who’s not afraid to jump in, figure things out, and make things happen. You’re scrappy, resourceful, and all about execution — solving problems with creativity, logic, and whatever tools you can get your hands on. You’ve got a solid work ethic, owning your projects end-to-end and stepping up when the heat is on. You’re a self-starter who doesn’t wait for all the answers — you research, learn, and just get it done. Feedback? You take it, grow from it, and come back stronger. Most importantly, you’re a team player with accountability — someone who backs up the crew, takes ownership.

Key Responsibilities

• Develop and maintain secure, scalable full stack applications using modern frameworks.
• Collaborate with frontend and backend teams to design APIs, services, and UI components.
• Write clean, efficient, and reusable code using React.js, Next.js, Node.js, Python (FastAPI).
• Implement CI/CD pipelines with GitHub Actions or Azure DevOps.
• Work with containerization (Docker) and orchestration (Kubernetes).
• Integrate applications with cloud platforms (Azure or AWS) and databases (PostgreSQL, MongoDB).
• Ensure application performance, responsiveness, and security across devices.
• Monitor and troubleshoot issues using observability tools (Prometheus, Grafana, ELK Stack).
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Qualifications

• 5–8 years of professional experience as a Full Stack Developer, delivering production-grade applications.
• Proficiency in JavaScript frameworks (React.js, Next.js) and backend technologies such as Python (FastAPI).
• Strong understanding of REST APIs, microservices architecture, and modern web application design.
• Hands-on experience with relational and non-relational databases (PostgreSQL, MongoDB).
• Exposure to containerization (Docker) and orchestration tools like Kubernetes.
• Experience working with cloud platforms, preferably Azure (AWS experience is also acceptable).
• Familiarity with Agile methodologies and version control systems (Git).
• Strong problem-solving, debugging, and communication skills.
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Must-Have Skills

• Frontend: Next.js ,React.js, 
• Backend: Python (FastAPI), Java, Node.js 
• Databases: PostgreSQL, MongoDB, Redis 
• DevOps/Cloud: Azure (preferred), AWS, Docker, Kubernetes, Terraform 
• CI/CD: GitHub Actions, Azure DevOps 
• Messaging: Kafka, RabbitMQ, Azure Service Bus(preferred)
• Monitoring: Prometheus, Grafana, ELK Stack

Good-to-Have Skills

• Experience with animation libraries (GSAP, Framer Motion)
• Exposure to SaaS platform development
• Knowledge of testing frameworks (Jest, Cypress, React Testing Library)
• Understanding of CI/CD pipelines and DevOps practices
• Exposure to AI/ML integrations or MLOps workflows
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Preferred Qualifications

• Hands-on experience with Kafka, RabbitMQ, or Azure Service Bus (preferred).
• Working knowledge of Terraform for infrastructure automation.
• Prior experience with real-time audio/video applications.
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Perks & Benefits

• Competitive salary with performance-based bonuses.
• Opportunity to work on cutting-edge real-time audio/video applications.
• Flexible working hours.
• Access to the latest development tools and technologies.

Job Title: Lead I – Python Full Stack Engineer (Python + React)

Location: Hyderabad

Work Model: Hybrid (3 days in office)

Notice Period: 0–15 Days (Immediate joiners preferred)

Job Summary:

We are looking for a Lead Python Full Stack Engineer with 6–7 years of development experience to join our engineering team in Hyderabad. The ideal candidate will have strong hands-on expertise in React UI and Python backend development, with solid experience in modern testing frameworks, CI/CD, and database management.

Key Responsibilities:

• Design, develop, and maintain full-stack applications using React (frontend) and Python (backend).
• Implement reusable UI components and ensure a seamless user experience with React.
• Build and manage backend services using frameworks such as Django, Flask, or FastAPI.
• Develop and maintain unit and end-to-end tests using frameworks like Jest, Mocha, and Cypress.
• Manage state using libraries such as Redux, Zustand, or MobX.
• Configure and maintain CI/CD pipelines for efficient deployment.
• Integrate with relational and non-relational databases such as PostgreSQL, MySQL, or MongoDB.
• Collaborate with cross-functional teams to deliver scalable, maintainable solutions.

Required Skills & Experience:

• 6–7 years of full-stack development experience.
• Strong hands-on expertise in React UI (top priority).
• Proficiency in Python with frameworks like Django, Flask, or FastAPI.
• Expertise in unit testing (Jest, Mocha) and E2E testing (Cypress).
• Experience with Vite or similar build tools.
• Strong understanding of CI/CD pipelines.
• Experience with RESTful APIs, web services, and routing (React Router).
• Solid understanding of PostgreSQL/MySQL/MongoDB databases.
• Strong problem-solving and debugging skills.

Nice to Have:

• Familiarity with Node.js or Express.js for backend development.
• Exposure to front-end technologies such as HTML, CSS, and JavaScript (ES6+).

Job Description:

Are you a fun loving and passionate to be a part of Global Innovator team? Are you planning to grow your career, which enhance your skills in technology? A career at SmartDocs can open many doors for you in the world of technology. If you are looking for a company that is dedicated to your ideas, recognizes you for your unique competency & contributions and provides a fun, flexible and delightful work atmosphere.

Then, we are the right place to ignite your passion. We are totally committed about our employees, our Clients & Customers, our work culture and especially our technology. We are an organization who encourages new ideas of employees through collaboration and creativity.

We are seeking for a dedicated individual to join SmartDocs Business Solutions. The candidate will work with the product development team and must be a subject matter expert in-order to deliver the best practices; an ideal candidate must possess excellent business skills with outstanding communication, professionalism & leadership and must have minimum 3 - 6 years of experience in JAVA as a full stack developer.

Desirable Skills & Expertise:

v  Minimum 3 – 6 years of experience as a full stack developer (Preferable from product based entity).  At least a year of experience in managing a team is mandatory.

v  Master’s or bachelor’s degree in Engineering (CSE / IT / MCA / Software) are preferred.

v  Work exp. in Java, Frame-works like : Spring, Spring boot; J2EE technologies like Servlets, JSP and Web Application Server is mandatory.

v  Strong skills in HTML, Java Script, XML, CSS and Mango DB.

v  Product development in Linux environment is an added advantage.

v  Possesses intellectual humility; smart, driven, creative and able to learn things from slipups, willing to raise others up.

v  Excellent Communication & Analytical skills with integrated professionalism at all levels.

Key Responsibilities:

Ø  The role is responsible for designing, coding and deploying of high-performance applications.

Ø  Deep expertise and hands on experience as a Core JAVA Developer.

Ø  Team Management, Excellent interpersonal, Communication and effective organizational skills and solid technical skills.

Ø  Should be able to communicate effectively with both technical and non-technical personnel.

Ø  Excellent trouble shootings & problem-solving skills.

Ø  Experience with SDLC from requirement analysis through testing and deployment.

Ø  Must be an expert in technologies like J2EE, JSP, Servlets, Web Application, HTML, Java Script, XML, CSS, Mango DB and JAVA frameworks – Spring boot.

Ø  Develop and maintain strong product knowledge.

Ø  Guide the clients through various stages of the project and transition to support organization.

Ø  Review existing business processes and participate in the Process Improvement Program.

                        SmartDocs, provides equal employment opportunity to all its employees and all qualified applicants for employment without regard to their race, caste, religion, color, ancestry, marital status, gender, sexual orientation, age, nationality, ethnic origin or disability. Our resource policies shall promote diversity and equality in the workplace while encouraging the adoption of international best practices.

Job description

• Hands-on experience in C#, http://asp.net/">ASP.NET, MVC, Web API, SQL Server.
• Experience in latest .Net framework versions (4/4.5/.Net Core 2.0 Frameworks), SQL Server 2008/2012.
• Experience in OOPS, HTML5, Bootstrap,CSS, AJAX/ JavaScript/ JQuery/ AngularJS and Angular 2.0 and web development.
• Excellent communication, analytical and interpersonal skills.
• .NET Full Stack (C#, MVC / .Net Core, WEB API, JSON, REST, JavaScript, Ajax)
• Good knowledge on Angular development, Angular JS
• knowledge in Azure cloud solutions.
• Developing and Hosting REST API Swagger and integration with angular.

Required Candidate profile Qualifications

• 5 – 8 years and above of professional software development experience.
• Improving system quality by identifying issues and common patterns and developing standard operating procedures.
• Enhancing applications by identifying opportunities for improvement, making recommendation and designing and implementing systems.

• Proven experience as a Full Stack Developer or similar role
• Experience developing desktop and mobile applications
• Familiarity with common stacks
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind
• Degree in Computer Science, Statistics or a relevant field