Sr. Full Stack Engineer - (Node + React & Angular)

GSSTech Group; Bengaluru; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

GSSTech Group in Bengaluru, India seeks a Senior Full Stack Engineer with strong backend focus to design, build and operate large-scale distributed systems.

You will work across Node.js, TypeScript, Express.js, and ReactJS, with Angular for full-stack delivery, guiding architecture while delivering production-grade code and collaborating with Product Owners, DevOps, QA and other teams.

Qualifications

• Backend architecture and engineering with Node.js, TypeScript, and Express.js.
• Experience building microservices and event-driven systems using Kafka.
• Strong data modeling and performance tuning for MongoDB.
• Redis caching, locking, and session management expertise.
• Frontend development with ReactJS; Angular experience for full-stack delivery.
• Cloud-native development with Docker, Kubernetes, and CI/CD pipelines.

Responsibilities

• Lead design, development, and operation of large-scale cloud backend platforms.
• Develop scalable backend services with Node.js, TS, and Express.js.
• Architect microservices-based distributed systems and event-driven workflows with Kafka.
• Design scalable data models in MongoDB and optimize queries.
• Implement Redis caching and session strategies for performance.
• Develop frontend apps with ReactJS and participate in full-stack delivery with Angular when needed.
• Build secure, scalable, well-documented APIs with proper auth mechanisms.
• Drive CI/CD pipelines, automation, and DevOps practices; mentor peers.

Skills

Node.js

TypeScript

Express.js

Kafka

MongoDB

Redis

ReactJS

Angular

Docker

Kubernetes

CI/CD

APIs

Security

Tools

Node.js

TypeScript

Express.js

Kafka

MongoDB

Redis

ReactJS

Angular

Azure

AWS

GCP

Docker

Kubernetes

CI/CD

Job description

We are looking for an experienced Senior Full Stack Engineer with a strong backend engineering focus to design, build, and operate large-scale distributed systems. The ideal candidate will have deep hands‑on expertise in Node.js, TypeScript, Express.js, Microservices, Kafka, MongoDB, Redis, Cloud, Docker, and Kubernetes , with strong experience building and operating high‑scale backend platforms in production environments. The role also requires hands‑on frontend development experience, particularly with ReactJS , with Angular experience being relevant for full‑stack delivery. As a Technical Lead, you will provide technical direction to a cross‑functional engineering team while remaining hands‑on with architecture, development, code quality, performance, and delivery. You will work closely with Product Owners, Architects, DevOps teams, and other engineering teams to deliver secure, scalable, reliable, and maintainable platforms supporting digital products and everyday banking capabilities.

Key Responsibilities

• Lead the design, development, and operation of large-scale, cloud-native backend platforms.
• Design and develop scalable backend services using Node.js, TypeScript, and Express.js.
• Architect and implement microservices-based distributed systems.
• Design and implement event-driven architectures using Kafka for asynchronous processing and service-to-service integration.
• Design scalable data models and optimize MongoDB databases, including indexing, aggregation pipelines, and performance tuning.
• Implement Redis for caching, distributed locking, session management, and performance optimization.
• Develop and maintain frontend applications using ReactJS while maintaining a strong backend engineering focus.
• Work with Angular where required as part of full-stack application development.
• Design and develop secure, scalable, and well-documented APIs.
• Implement appropriate authentication and authorization mechanisms and follow secure API design practices.
• Build highly available and resilient systems capable of supporting mission‑critical production workloads.
• Drive application performance optimization, scalability, reliability, and observability.
• Design and operate cloud-native solutions across Azure, AWS, or GCP , with Azure preferred.
• Containerize applications using Docker and orchestrate workloads using Kubernetes.
• Implement and improve CI/CD pipelines, infrastructure automation, and DevOps practices.
• Participate in architecture and technical design discussions and drive appropriate technical decisions.
• Establish and enforce engineering standards, coding practices, and code quality across the squad.
• Conduct code reviews and ensure maintainable, secure, and production-ready code.
• Troubleshoot complex production issues and drive root-cause analysis and resolution.
• Plan technical delivery, estimate work, manage dependencies, and support successful sprint execution.
• Mentor and guide engineers on architecture, development practices, debugging, performance optimization, and engineering standards.
• Collaborate with Product Owners, Architects, DevOps, QA, and other engineering teams to ensure successful delivery.
• Contribute to technical roadmaps, platform improvements, and continuous engineering optimization.

Core Technical Requirements

• Backend Strong hands‑on expertise in Node.js Strong proficiency in TypeScript Strong experience with Express.js Extensive experience building enterprise‑grade backend services Strong understanding of asynchronous and non‑blocking programming
• Architecture & Distributed Systems Strong experience with Microservices Architecture Deep understanding of distributed system design Experience designing scalable, highly available, and resilient systems Strong understanding of service integration and asynchronous processing Experience with event‑driven architectures Kafka Hands‑on experience with Apache Kafka Experience designing event‑driven systems using Kafka Understanding of asynchronous processing and service integration Experience handling high‑volume distributed workloads
• MongoDB Strong hands‑on experience with MongoDB Data modeling Indexing strategies Aggregation pipelines Query optimization Performance tuning
• Redis Strong experience with Redis Caching strategies Distributed locking Session management Performance optimization
• Frontend Strong hands‑on experience with ReactJS Experience building scalable and maintainable frontend applications Understanding of modern React architecture and application development Angular experience is also relevant , particularly for full‑stack delivery
• Cloud & DevOps Hands‑on experience with cloud platforms: Azure - preferred AWS GCP Strong experience with Docker Strong experience with Kubernetes Experience with CI/CD pipelines Infrastructure automation DevOps practices
• Cloud-native application architecture API & Security Strong experience in API design and development RESTful API development API security Authentication Authorization Secure coding practices