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About the role
We are seeking a Senior Full Stack Engineer (MERN) with deep expertise in modern JavaScript ecosystems and cloud architecture. You'll be working on complex application modernization initiatives, focusing on transforming legacy systems into scalable, cloud-native applications. Core Technical Stack Frontend: React.js (with Hooks, Context API), Next.js 14+, Redux/RTK, TypeScript, Tailwind CSS, Material-UI/Chakra UI Backend: Node.js, NestJS, Express.js, GraphQL (Apollo Server), WebSocket
Cloud & Infrastructure: AWS Services: ECS, Lambda, API Gateway, S3, CloudFront, RDS, DynamoDB, SQS/SNS, ElastiCache Infrastructure as Code: Terraform, CloudFormation Containerization: Docker, Kubernetes, ECS
Databases & Caching: MongoDB PostgreSQL Redis Elasticsearch Authentication & Security: OAuth2.0/OIDC JWT AWS Cognito SAML2.0
Key Technical Responsibilities: System Architecture & Development (70%) Design and implement microservices architectures using Node.js/Nest JS, focusing on scalability and performance Build reusable component libraries and establish frontend architecture patterns using React.js and Next.js Implement real-time features using WebSocket/Socket.io for live data updates and notifications Design and optimize database schemas, write complex queries, and implement caching strategies Develop CI/CD pipelines with automated testing, deployment, and monitoring Create and maintain infrastructure as code using Terraform/CloudFormation Implement security best practices and compliance requirements (SOC2, GDPR)
Examples of Current Projects Modernizing a monolithic PHP application into microservices using Nest JS and React Implementing event-driven architecture using AWS Event Bridge and SQS Building a real-time analytics dashboard using WebSocket and Time-series databases Optimizing application performance through caching strategies and CDN implementation Developing custom hooks and components for shared functionality across applications
Required Technical Experience Expert-level proficiency in JavaScript/TypeScript and full-stack development Deep understanding of React.js internals, hooks, and performance optimization Extensive experience with Node.js backend development and microservices Strong background in cloud architecture and AWS services Hands-on experience with container orchestration and infrastructure automation Proven track record of implementing authentication and authorization systems Experience with monitoring, logging, and observability tools
About Us: TechAhead is a global digital transformation company with a strong presence in the USA and India. We specialize in AI-first product design thinking and bespoke development solutions . With over 15 years of proven expertise, we have partnered with Fortune 500 companies and leading global brands to drive digital innovation and deliver excellence. At TechAhead, we are committed to continuous learning, growth and crafting tailored solutions that meet the unique needs of our clients. Join us to shape the future of digital innovation worldwide and drive impactful results with cutting-edge AI tools and strategies!
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