Full Stack Developer (MERN + React Native)

Job Title: Full Stack Developer (MERN + React Native)

Location: Remote

Job Type: Full-Time

Experience: 4–10 Years

Availability: Immediate Joiners Only

About the Role

We are seeking a highly capable Full Stack Developer with strong expertise in React.js, Node.js, MongoDB/DynamoDB , and working knowledge of React Native . The ideal candidate will drive the development of scalable, end-to-end applications—covering UI/UX, backend architecture, cloud services, and performance optimization.

This role requires a self-driven engineer with strong ownership, architectural thinking, and the ability to work independently while maintaining a high bar for quality, security, and performance.

Key Responsibilities

Frontend Development (React.js / React Native)

• Build high-performance, scalable, and intuitive UIs using React.js .
• Develop and maintain React Native mobile screens and components.
• Implement modern UI patterns, reusable component libraries, and responsive workflows.
• Manage global state using Redux, Redux Toolkit, Context API, or Zustand .
• Optimize rendering performance, lazy loading, caching, and bundle size.
• Implement pixel-perfect UI using Tailwind, Material UI, Styled Components (preferred).

Backend Development (Node.js / Express.js / API Architecture)

• Develop secure, scalable RESTful APIs , microservices, and backend modules.
• Implement authentication & authorization using JWT, OAuth, Cognito, SSO .
• Integrate internal/external APIs—payments, third-party services, analytics, etc.
• Perform backend optimization: caching, load balancing, and concurrency management.
• Write modular, testable, and maintainable backend logic following best practices.
• Implement rate limiting, request validation (Joi/Zod), and API throttling for security.

Database Engineering (MongoDB / DynamoDB / PostgreSQL)

• Design and optimize NoSQL & relational data models .
• Strong understanding of indexes, sharding, partitioning, and query optimization.
• Manage and tune MongoDB Atlas, DynamoDB tables, GSIs/LSIs , and read/write throughput.
• Implement caching layers using Redis / ElastiCache .
• Ensure data integrity, migration handling, and versioned schema updates.

AWS & Cloud Engineering

• Experience with AWS Serverless stack: Lambda, API Gateway, S3, DynamoDB, Cognito, CloudWatch .
• Build and deploy production-ready applications using AWS services.
• Implement CI/CD pipelines using GitHub Actions, Bitbucket Pipelines, GitLab CI .
• Familiarity with containerization and deployments using Docker & ECS/EKS .
• Knowledge of Infrastructure as Code (IaC): CloudFormation / Terraform (added skill).

General Engineering Responsibilities

• Collaborate with Product Owners, UI/UX, QA, and DevOps teams.
• Participate in sprint planning, solution design, and architectural reviews.
• Troubleshoot production issues and ensure system reliability.
• Write clean documentation, API specs, and technical guides.
• Follow clean coding norms, security best practices, and design principles (SOLID, DRY, KISS).

Qualifications

• 4–10 years of full stack development experience.
• Strong analytical and problem-solving abilities.
• Excellent communication and collaboration skills.
• Immediate joiners only.

Required Skills

• Strong hands-on expertise in React.js , including Hooks, Redux, and advanced component architecture.
• Advanced proficiency in Node.js and Express.js , with solid experience in scalable server-side development.
• Deep understanding of MongoDB or DynamoDB , including schema design, indexing strategies, and performance optimization.
• Practical working experience with React Native for mobile development.
• Strong understanding of REST APIs, JSON workflows, authentication/authorization mechanisms, and modern security best practices .
• Experience working with Git, CI/CD pipelines, Agile/Scrum methodologies , and participating in peer code reviews.

Additional Preferred Skills

• TypeScript for strongly typed development.
• AWS Serverless Framework or SAM.
• Experience building microservices & event-driven architectures .
• Unit testing with Jest / Mocha / Supertest .
• Docker / Kubernetes (EKS) familiarity .
• Redis caching, message queues (SQS, SNS, Kafka, RabbitMQ ).
• Knowledge of React Query, SWR, or Apollo Client.
• Performance profiling tools (Chrome DevTools, Lighthouse, React Profiler).
• Understanding of CI/CD best practices, automated testing, and code coverage.
• Experience with analytics, logging, and monitoring tools (ELK, Datadog, CloudWatch).
• Knowledge of security standards (OWASP, JWT hardening, API security, CORS policies).

Compensation & Benefits

• Competitive salary based on experience and skillset.
• Opportunity to work on international, large-scale, high-impact projects.
• Collaborative, innovative, and growth-driven engineering culture.
• Remote and flexible working options.