Senior Full Stack Engineer

Key Responsibilities

• Design, develop, and maintain backend services using Node.js and TypeScript, ensuring optimal performance and scalability with PostgreSQL databases.
• Model data effectively, employing normalization and denormalization strategies as needed, and optimize database queries to prevent performance bottlenecks.
• Implement robust multi-tenant architectures with proper scoping, RBAC, and audit trails to ensure data security and integrity in enterprise environments.
• Develop and manage event-driven processes, including queue management, retry strategies, and handling idempotency and backpressure issues.
• Create and maintain caching strategies that maximize performance while ensuring data consistency, using patterns like cache-aside and distributed locks.
• Build real-time data pipelines using technologies such as SSE and WebSockets, ensuring seamless data streaming and user interface responsiveness.
• Design and implement frontend applications using React and Next.js, focusing on server-side rendering, code splitting, and optimal hydration behavior.
• Ensure the UI meets Core Web Vitals standards and provides a seamless user experience through effective bundle analysis and state management techniques.

Overview

• The Senior Full Stack Engineer at Welocity in Bangalore is a critical role within the Product Engineering team, focused on building AI-native enterprise software.
• Situated in the ITES sector, this position involves creating robust, scalable systems that support real-time multilingual voice processing and heavy data pipelines, servicing users across India, the UK, and Europe.
• This role demands a high level of engineering expertise, particularly in managing latency budgets, optimizing queries, and ensuring responsive UI performance in complex, data-intensive environments.
• The engineer will be responsible for designing and implementing both backend services and frontend interfaces, using cutting-edge technologies like Node.js, React, and Next.js.
• The position emphasizes end-to-end ownership of features, from schema design to deployment, requiring a proactive problem-solving mindset and accountability for the solutions delivered.
• The engineer will integrate with legacy systems and handle challenges such as multi-tenant boundaries, event-driven flows, and real-time data streaming.
• Welocity offers a fast-paced, dynamic work environment where decisions are made quickly and engineers have significant autonomy and ownership over their work.
• The role is ideal for those who thrive in startup-like settings or have a strong engineering background from premier institutions.

Requirements

• 6-9 years of experience in building production web systems with real-world user interactions and load management.
• Proficient in TypeScript, with a strong understanding of generics, discriminated unions, and type inference to enhance code reliability and prevent bugs.
• Extensive experience with React, capable of optimizing component rendering and implementing efficient memoization techniques.
• Strong database skills, capable of writing complex SQL queries and understanding ORM behavior and database optimization.
• Proven ability to design APIs consumed by external clients, ensuring stability and scalability under load.
• Experience debugging and resolving production issues, with a track record of documenting solutions and improvements post-resolution.
• Background in a startup environment or a strong engineering institution is preferred, demonstrating ability to manage projects with minimal guidance.