Senior Software Engineer - MERN Stack

About the role

Devsinc is looking for an experienced MERN Stack Engineer to design and develop full‑stack features, collaborate with sales to create technical solutions, and drive business growth through automation and high‑quality code.

Key responsibilities

• Design and implement full‑stack applications using MongoDB, Express.js, React.js, and Node.js.
• Build and maintain RESTful and GraphQL APIs with proper authentication (JWT, OAuth).
• Write unit and integration tests with Jest, React Testing Library, Mocha or Chai.
• Optimize performance, ensure responsive UI/UX with modern CSS frameworks.
• Collaborate with product, QA, DevOps and design teams; conduct code reviews and mentor junior developers.

Required profile

• 5+ years of hands‑on MERN development experience.
• Strong problem‑solving skills and ability to work closely with sales to deliver tailored solutions.
• Experience with Agile/Scrum methodologies.

Required skills

• MongoDB, Express.js, React.js, Node.js
• JavaScript/TypeScript, Redux or similar state management
• RESTful & GraphQL API design, JWT/OAuth authentication
• Testing frameworks: Jest, React Testing Library, Mocha, Chai
• CSS preprocessors and utility frameworks (SASS, Tailwind, CSS Modules)
• Git version control, Docker, CI/CD pipelines
• Cloud platforms: AWS, GCP, Vercel, Heroku
• Next.js, server‑side rendering, real‑time features (socket.io)
• Python for scripting and automation

What we offer

• Provident Fund, Medical Inpatient & Outpatient facilities
• Paid overtime, subsidized lunch & dinner, gym and sports allowances
• Interest‑free loan facility, advance salaries, entertaining activities