Senior Fullstack AI Engineer

TechAhead; Dadri; On-site; INR 3,500,000 - 6,500,000; Full time

Job summary

TechAhead is seeking a Senior Full Stack Engineer to modernize legacy systems into scalable, cloud-native apps. You will own both frontend (React/Next.js) and backend (Node.js/NestJS) with a strong emphasis on performance, security, and reliability.

Join a team delivering AI-enabled solutions, real-time data, and cross-region cloud deployments. Expect collaboration with product and engineering teams across locations, and a focus on scalable architectures.

Qualifications

• Deep expertise in JavaScript/TypeScript full-stack development.
• Strong React.js internals, hooks and performance optimization.
• Extensive Node.js backend and microservices experience.
• Solid cloud architecture knowledge with AWS services.

Responsibilities

• Design and implement microservices architectures with Node.js/NestJS.
• Build reusable frontend component libraries and frontend patterns.
• Implement real-time features using WebSocket/Socket.io.
• Design and optimize database schemas and caching strategies.
• Develop CI/CD pipelines with automated testing and monitoring.
• Create infrastructure as code with Terraform/CloudFormation.
• Ensure security best practices and compliance.

Skills

JavaScript/TypeScript

React.js

Node.js

NestJS

Cloud architecture

AWS

Docker

Kubernetes

GraphQL

WebSocket

Education

Advanced degree in Computer Science/Engineering

Tools

Terraform

CloudFormation

GitHub Actions

Jenkins

Terraform/CloudFormation

Docker

Kubernetes

Job description

• System Architecture & Development (70%)

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
• 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

AI/ML Integration

• AI API Integration (OpenAI, Hugging Face, Google Vertex AI)
• Building & Consuming ML Models (TensorFlow, PyTorch, Scikit-learn)
• Natural Language Processing (NLP)
• Data Pipelines & Feature Engineering
• AI for Automation & Predictive Analytics
• Prompt Engineering for LLMs
• AI Model Deployment & Monitoring

Databases & Caching

• MongoDB
• PostgreSQL
• Redis
• Elasticsearch
• Authentication & Security:
• OAuth2.0/OIDC
• JWT
• AWS Cognito
• SAML2.0

Testing & Quality

• Jest
• React Testing Library
• Cypress
• CI/CD & Monitoring:
• GitHub Actions
• Jenkins
• AWS CloudWatch
• DataDog

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!