Software Engineer - FullStack

GSSTech Group · Bengaluru

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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.

Requirements

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

Candidates should have strong Full Stack development experience with hands-on production experience in cloud-native applications.

Strong expertise in Node.js and at least one of the following frontend technologies is required:

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 systems
• Scalability 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

Candidates with strong specialization in 2–3 or more of the following areas will be preferred:

• Node.js / Express.js
• TypeScript / Modern JavaScript
• React.js / Angular
• MongoDB
• Redis
• 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

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