Software Engineer - FullStack

GSSTech Group; Bengaluru; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

GSSTech Group in Bengaluru is seeking an experienced Full Stack Engineer to design, develop, and maintain large-scale, cloud-native applications in the Digital Banking space. You will work on scalable, secure, and high-performance systems using Node.js for backend and React.js or Angular for frontend, with microservices and event-driven architectures.

Responsibilities include building RESTful APIs with Express.js, implementing Kafka-driven data pipelines, and optimizing MongoDB data models and

Qualifications

• 4+ years of professional software engineering experience.
• Strong hands-on Full Stack development experience.
• Experience building cloud-native applications in production.

Responsibilities

• Design, develop, and maintain scalable full-stack applications using Node.js and modern frontend technologies such as React.js or Angular.
• Develop scalable and resilient backend services and RESTful APIs using Node.js and Express.js.
• Build responsive, high-performance frontend applications using React.js or Angular.
• Design and implement microservices-based architectures for enterprise-scale applications.
• Develop event-driven services using Kafka and perform asynchronous processing.
• Design and optimize data models with MongoDB and implement Redis caching.
• Build secure APIs and services for distributed environments and CI/CD pipelines.

Skills

Node.js

Express.js

React.js

Angular

MongoDB

Redis

Kafka

Cloud platforms

CI/CD

Infrastructure as Code

Tools

AWS

Azure

GCP

Job description

We are looking for an experienced Full Stack Engineer to design, develop, and maintain large-scale, cloud-native applications supporting Digital Products and Everyday Banking platforms. The ideal candidate should have strong hands-on experience across Node.js-based backend development and modern frontend technologies, with expertise in either React.js or Angular . You will work on scalable, secure, and high-performance applications using modern engineering practices, microservices, event-driven architectures, and cloud-native technologies. The role requires strong engineering fundamentals and practical experience working with distributed systems, scalability, resilience, observability, automation, and modern software delivery practices.

Key Responsibilities

• Design, develop, and maintain scalable full-stack applications using Node.js and modern frontend technologies such as React.js or Angular .
• Develop scalable and resilient backend services and RESTful APIs using Node.js and Express.js .
• Build responsive, high-performance frontend applications using React.js or Angular .
• Design and implement microservices-based architectures for enterprise-scale applications.
• Develop event-driven services and asynchronous processing solutions using Kafka .
• Design and optimize data models, queries, indexes, and aggregations using MongoDB .
• Implement Redis for caching, session management, distributed locking, and performance optimization.
• Build reliable and secure APIs and services capable of operating in distributed environments.
• Apply modern software architecture patterns to improve scalability, resilience, availability, and maintainability.
• Work with cloud platforms and containerized/serverless deployment models.
• Collaborate closely with Product, Platform, DevOps, QA, and other engineering teams to deliver secure and reliable solutions.
• Drive automation across development, testing, deployment, and operational processes.
• Contribute to CI/CD pipelines and Infrastructure as Code practices.
• Monitor, troubleshoot, and optimize application and system performance across distributed environments.
• Participate in code reviews and contribute to engineering standards, coding best practices, and technical documentation.
• Identify and resolve production issues while maintaining application reliability and platform stability.
• Contribute to continuous improvement of engineering practices, automation, and delivery processes.

Core Technical Requirements

• Frontend React.js or Angular
• Component-driven architecture
• State management
• Responsive and high-performance application development
• Modern JavaScript / TypeScript
• Backend Node.js Express.js
• RESTful API development
• Scalable backend services
• Microservices architecture
• Programming TypeScript
• Modern JavaScript
• Databases & Caching MongoDB - schema design, indexing, aggregation, and query optimization
• Redis - caching, session management, distributed locking, and performance acceleration
• Event Streaming Kafka
• Event-driven architecture
• Asynchronous processing
• Architecture
• Microservices API Gateways
• Service discovery
• Resilience patterns
• Distributed systemsScalability and high availability
• Observability
• Performance optimization
• Cloud & DevOps
• Hands-on experience with cloud-native applications in production AWS, Azure, or GCP
• Containerized and/or serverless deployments
• CI/CD
• Infrastructure as Code
• Automation across development, testing, deployment, and operations

Preferred Technical Strengths

• Node.js / Express.js
• TypeScript / Modern JavaScript
• React.js / Angular
• MongoDBRedis
• Kafka
• Microservices Architecture
• Cloud Platforms - AWS / Azure / GCP
• CI/CD and Infrastructure as Code

Required Experience

4+ years of professional software engineering experience. Strong hands‑on Full Stack development experience. Production experience building and operating cloud-native applications . Experience working with distributed systems and large-scale applications. Experience with modern Agile software engineering and delivery practices. Strong understanding of scalability, resilience, observability, and performance optimization.

Desired Domain Experience

Banking Financial Services Digital Banking Digital Products Everyday Banking