Senior Full Stack Engineer

Mumbai, India
On-site
Senior Level
Posted 2 Nov 2026

Location: Mumbai, Maharashtra, India

As a Senior Full Stack Engineer, you will lead the design, implementation, and scaling of multi-tenant SaaS products that serve a diverse customer base, ensuring high availability and seamless user experiences. You will work closely with product managers, designers, and data scientists to translate complex requirements into production-ready code, while maintaining a clean, maintainable architecture that supports rapid feature iteration. Your deep knowledge of React and NodeJS will be vital in creating responsive front‑ends and robust back‑ends, with a focus on performance, security, and test coverage.

Responsibilities

You will mentor junior developers, conduct code reviews, and champion best practices across the engineering team, ultimately driving the technical vision that aligns with business goals.
Architect and develop scalable SaaS applications using React and NodeJS
Implement RESTful and GraphQL APIs that serve enterprise-grade clients

Optimize application performance, memory usage, and load times

Integrate third‑party services (payment gateways, analytics, CI/CD pipelines)
Write automated unit, integration, and end‑to‑end tests with continuous integration
Participate in code reviews, provide constructive feedback, and enforce coding standards
Collaborate across cross‑functional teams to define product roadmap and feature priorities
Troubleshoot production incidents, analyze root causes, and implement long‑term fixes
Document technical decisions, architecture diagrams, and best‑practice guidelines
Stay current with emerging technologies and industry trends to recommend innovative solutions

Requirements

12+ years of hands‑on experience in full stack development for SaaS platforms
Proven track record of delivering high‑revenue products from concept to production
Expert proficiency in React, Redux, TypeScript, and NodeJS/Express ecosystems
Strong understanding of cloud infrastructure (AWS, Azure, GCP) and microservices architecture
Experience with containerization (Docker) and orchestration (Kubernetes)
Ability to mentor junior engineers and foster a culture of continuous improvement
Excellent communication skills, both technical and non‑technical, across teams
Deep knowledge of performance optimization, indexing, and data modeling for SQL/NoSQL databases
Passion for learning new technologies and improving development processes.

Preferred

Familiarity with CI/CD pipelines, automated testing, and monitoring tools

Pay

Salary: INR 2,000,000–3,000,000

𝗦𝗮𝗹𝗮𝗿𝘆 𝗿𝗮𝗻𝗴𝗲: 𝗥𝘀 𝟮𝟬𝟬𝟬𝟬𝟬𝟬 - 𝗥𝘀 𝟯𝟬𝟬𝟬𝟬𝟬𝟬 (𝗶𝗲 𝗜𝗡𝗥 𝟮𝟬-𝟯𝟬 𝗟𝗣𝗔)
Experience: 12+ yrs