Senior Software Engineer - Node.js

About the role

Devsinc is looking for a Senior Software Engineer specializing in Node.js in Lahore. You will architect, build and scale full-stack web applications using Node.js, Express/NestJS, MongoDB, React/Next.js and Angular, and lead feature development end to end.

Key responsibilities

• Lead feature development from technical design and estimation through deployment and production support.
• Design and own RESTful and GraphQL APIs, including BFF layers, and define API contracts with product and platform teams.
• Build and maintain shared component libraries and design systems (Tailwind, Storybook) and turn Figma designs into accessible UI.
• Deploy and run services on AWS, GCP or Azure using Docker, Kubernetes, serverless functions and CI/CD pipelines.
• Integrate LLM-powered features such as AI assistants, semantic search and RAG pipelines with AI/ML engineers.
• Use AI-assisted development tools (Claude Code, Cursor, GitHub Copilot) to speed delivery while keeping quality high.
• Mentor junior and mid-level engineers through code reviews, pair programming and technical direction.
• Present technical decisions and progress to stakeholders, clients and leadership, and take part in on-call rotations and incident response.

Required profile

• 3 to 6 years of professional software engineering experience with strong full-stack delivery.
• Ability to lead development efforts, own deliverables and drive a team toward deadlines.
• Excellent communication skills, able to explain technical choices to non-technical audiences and represent the team in client meetings.
• Self-starter with strong ownership and attention to detail in a fast-paced environment.

Required skills

• Expert JavaScript and TypeScript, plus HTML5, CSS3 and responsive design.
• Node.js (Express or NestJS) and MongoDB; PostgreSQL or MySQL exposure.
• React (Next.js preferred) and working proficiency in Angular.
• System design, microservices, Redis caching and Kafka, RabbitMQ or SQS message queues.
• AWS, GCP or Azure, with Docker containerization.
• Unit, integration and E2E testing with Jest, Playwright or Cypress.
• OAuth 2.0, OIDC, JWT and OWASP security awareness.
• Nice to have: React Native or Expo, LLM API and RAG integrations, Terraform or AWS CDK, Datadog, Grafana or Sentry, WebSockets, startup or SaaS experience, open-source contributions.