Full Stack Software Development Engineer II

Sigmoid· Bengaluru, India

Posted November 7, 2026

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Experience
3 – 5 years
Pay
Not disclosed
Education
Not specified
Location
Bengaluru, India
Work mode
On-site
Job type
Full-time

About this role

Sigmoid's Product Engineering team builds scalable, user-facing web applications. This SDE II owns features from design to deployment across a React/TypeScript frontend and Node.js or FastAPI backend, and mentors junior engineers through code reviews.

What you will do

  • Build responsive web interfaces with React, TypeScript, Tailwind CSS and Shadcn UI
  • Build backend services with Node.js or Python (FastAPI)
  • Model, query and optimize relational data in PostgreSQL
  • Design and maintain RESTful APIs and microservices
  • Apply SOLID principles and design patterns for maintainable code
  • Write tests with Jest, React Testing Library or PyTest
  • Take part in Agile ceremonies
  • Mentor junior engineers through code reviews

What the employer expects

  • 3-5 years of hands-on React, TypeScript and Tailwind CSS experience
  • Experience with state and data-fetching libraries (TanStack Query, Zustand or Redux Toolkit)
  • Strong server-side skills in Node.js or Python (FastAPI)
  • Experience with ORMs such as Prisma, Drizzle, TypeORM or SQLAlchemy
  • Strong PostgreSQL modeling, indexing and query optimization
  • Practical use of design patterns and clean architecture
  • Solid API design plus OIDC and OAuth 2.0 authentication
  • Proficiency in unit, integration and component testing

Skills

  • React
  • TypeScript
  • Tailwind CSS
  • Node.js
  • Python (FastAPI)
  • PostgreSQL
  • TanStack Query
  • Prisma
  • Jest
  • OAuth 2.0

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The application opens on Sigmoid careers page (Greenhouse). Dev Portal Notes does not collect your application or charge a fee.

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