Senior Developer (Node.js, React, PWA, MongoDB)

Jobtailor

Chandigarh

On-site

INR 2,500,000 - 4,500,000

Full time

14 days+

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Job summary

Jobtailor in India seeks a senior full-stack engineer to lead complex feature delivery using React PWA frontend and Node.js backend. You will define data models and API contracts, implement authentication, and ensure scalable performance across devices.

You will mentor junior developers, drive code quality, and contribute to the technical roadmap, while collaborating in Agile ceremonies and sprint planning.

Qualifications

8+ years of full-stack web development experience with depth in Node.js backend and React frontend delivery.
Expert-level proficiency in building and operating production Node.js services with Express.js or NestJS, including RESTful API design, middleware architecture, authentication, performance tuning, and service reliability.
Deep expertise in React development, including component architecture, hooks, state management, and performance optimization.
Proven experience architecting and shipping Progressive Web Applications (PWA) solutions with service workers, offline-first caching, and installability.
Proven experience delivering mobile- and tablet-optimized web applications with responsive design and cross-device testing.
Strong hands-on experience with MongoDB data modeling, aggregation, indexing, and performance optimization.
Experience designing, documenting, and governing REST APIs with authentication patterns and versioning.
Familiarity with Git workflows, Azure DevOps or similar CI/CD pipelines, and strong English communication skills.

Responsibilities

Lead the design and delivery of complex full-stack features from data model to API contracts and React PWA frontend.
Architect and build scalable Node.js backend services and RESTful APIs with proper auth, error handling, and performance patterns.
Lead PWA architecture decisions, including service workers, offline caching, push notifications, and installability.
Design MongoDB data models and aggregation strategies, guiding data architecture decisions.
Deliver mobile-friendly React front-end interfaces with responsive layouts and performance tuning.
Drive code quality, establish standards, conduct reviews, and reduce technical debt.
Mentor mid-level and junior developers through reviews and pair programming.
Analyze production incidents, conduct performance profiling across Node.js, MongoDB, and React.

Skills

Node.js Backend Development

React Frontend Development

Progressive Web Applications (PWA)

MongoDB Data Modeling

RESTful API Design

JWT/OAuth2

Education

Bachelor's Degree in Computer Science

Bachelor's Degree in Software Engineering

Tools

Git

Azure DevOps

Cache API

Workbox

Agile Methodologies

Job description

Lead the design and delivery of complex full-stack features, owing technical decisions from data model and API contract design through React PWA front-end implementation and production deployment.
Architect and build scalable Node.js backend services and RESTful APIs using Express.js or NestJS, defining patterns for authentication, error handling, versioning, and performance that junior developers follow.
Lead PWA architecture decisions, including service worker strategy, offline-first caching design (Cache API, Workbox), push notification infrastructure, and app installability, while setting the standard for PWA implementation across the team.
Design MongoDB data models and aggregation strategies for complex application requirements, enforce NoSQL data modeling best practices, and guide data architecture decisions across the team.
Deliver mobile-friendly React front-end interfaces, including responsive layouts, touch-optimized interactions, and performance tuning for users across desktop, tablet, and mobile devices.
Drive code quality across the team, set standards, lead code reviews, identify and resolve technical debt proactively, and ensure consistent engineering practices.
Mentor and support mid-level and junior developers through code reviews, pair programming, and technical guidance.
Conduct root cause analysis on complex production incidents, lead performance profiling and optimization across Node.js, MongoDB, and React/PWA layers.
Contribute to technical roadmap discussions, providing engineering input on feasibility, risk, and build-vs-buy decisions for new platform capabilities.
Participate in Agile ceremonies, contribute to sprint planning, and support delivery of team commitments.

Requirements

Bachelor's degree in Computer Science, Software Engineering, or a related field.
8+ years of full-stack web development experience with demonstrated depth in Node.js backend and React frontend delivery.
Expert-level proficiency in building and operating production Node.js services with Express.js or NestJS, including RESTful API design, middleware architecture, authentication (JWT/OAuth2), performance tuning, and service reliability.
Deep expertise in React development, including component architecture, hooks, state management (Redux or Context API), code splitting, performance optimization, and delivering consistent experiences across device sizes.
Proven experience architecting and shipping Progressive Web Applications (PWA) solutions, including service worker lifecycle management, offline-first caching strategies (Cache API, Workbox), web app manifest, push notifications, and installability.
Proven experience delivering web applications optimized for mobile and tablet, responsive and touch-optimized design, mobile performance profiling, Core Web Vitals, and cross-device testing.
Strong hands-on experience with MongoDB, including document and collection design, aggregation pipelines, indexing strategies, performance optimization, and data model design.
Expertise in designing, documenting, and governing REST APIs, including authentication patterns, versioning, contract design, and integration with third-party enterprise services.
Solid familiarity with Git branching strategies, Azure DevOps or similar CI/CD pipelines, and sprint-based delivery; strong English communication skills.

Core Competencies

Demonstrates expertise in full-stack web development, particularly in Node.js and React, with a strong focus on building scalable applications and Progressive Web Applications (PWA). Proficient in mentoring junior developers and driving code quality through best practices and performance optimization.

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