Back End Developer

2 weeks ago


Mumbai, India Trackk Full time

Job Title: Backend Developer (Node.js / Rust)Location: Mumbai (Work from Office)Experience: 3–6 YearsIndustry: FinTech / Stock Market TechnologyAbout the RoleWe’re looking for a highly skilled Backend Developer with strong experience in Node.js , Rust , and real-time data streaming systems . The ideal candidate will work on building scalable, low-latency systems for stock market data processing, trading workflows, and financial analytics platforms.Key ResponsibilitiesDesign, develop, and maintain high-performance backend services using Node.js and Rust.Build and optimize real-time data streaming systems for stock market data (Kafka, Redis Streams, or similar).Integrate multiple financial data sources, APIs, and trading systems securely and efficiently.Implement RESTful and WebSocket APIs for trading and market data delivery.Ensure system reliability, fault tolerance, and scalability under heavy data loads.Collaborate closely with the frontend, DevOps, and product teams for end-to-end delivery.Write clean, reusable, and well-documented code following best practices.Participate in code reviews , testing , and performance tuning .Required Skills & Experience3–6 years of hands-on backend development experience.Strong proficiency in Node.js and Rust (production-level experience preferred).Solid understanding of asynchronous programming , event-driven architecture, and concurrency.Experience working with message queues / streaming frameworks like Kafka, RabbitMQ, or Redis Streams.Exposure to financial or stock market systems — e.g., order execution, tick data, trading APIs, or portfolio management tools.Proficiency in database design (PostgreSQL, MongoDB, or TimescaleDB).Experience with API integrations , authentication, and secure communication protocols.Familiarity with Linux environments , Docker , and CI/CD pipelines .Good to HaveExperience with low-latency system design or real-time analytics .Knowledge of TypeScript , Python , or Go for multi-language collaboration.Understanding of financial regulations , KYC , or brokerage APIs (e.g., Zerodha, AngelOne).


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