We are seeking a Senior Full Stack Engineer 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 HooksAI, Context API), Next.js 14\+, Redux/RTK, TypeScript, Tailwind CSS, Material\-UI/Chakra UI
*Key Responsibilities:*** System Architecture \& Development (70%)
Design and implement microservices architectures using Node.js/NestJS, 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 NestJS and React
Implementing event\-driven architecture using AWS EventBridge 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
*Technical Leadership (30%):*** Conduct code reviews and provide technical mentorship
Contribute to technical decision\-making and architecture discussions
Document technical designs and maintain development standards
Collaborate with product teams to define technical requirements
Guide junior developers through complex technical challenges
*Required Skills \& Qualifications:*** 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
*Preferred Qualifications:** **Technical Expertise*** Advanced degree in Computer Science, Engineering, or related field
Experience with cloud\-native development and distributed systems patterns
Proficiency in additional programming languages (Rust, Go, Python)
Deep understanding of browser internals and web performance optimization
Experience with streaming data processing and real\-time analytics
*Architecture \& System Design*** Experience designing event\-driven architectures at scale
Knowledge of DDD (Domain\-Driven Design) principles
Background in implementing CQRS and Event Sourcing patterns
Experience with high\-throughput, low\-latency systems
Understanding of distributed caching strategies and implementation
*Cloud \& DevOps*** AWS Professional certifications (Solutions Architect, DevOps)
Experience with multi\-region deployments and disaster recovery
Knowledge of service mesh implementations (Istio, Linkerd)
Familiarity with GitOps practices and tools (ArgoCD, Flux)
Experience with chaos engineering practices
*Security \& Compliance*** Understanding of OWASP security principles
Experience with PCI\-DSS compliance requirements
Knowledge of cryptography and secure communication protocols
Background in implementing Zero Trust architectures
Experience with security automation and DevSecOps practices
*Development \& Testing*** Experience with TDD/BDD methodologies
Knowledge of performance testing tools (k6, JMeter)
Background in implementing continuous testing strategies
Experience with contract testing (Pact, Spring Cloud Contract)
Familiarity with mutation testing concepts
*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!