Senior Fullstack Engineer (Java + React + AWS)

Remotestar; Bengaluru; On-site; INR 1,500,000 - 2,500,000; Full time

Job summary

Remotestar is seeking experienced frontend developers in Bengaluru, India, with expertise in cloud-native applications. You will design, develop, and maintain scalable frontend applications while mentoring junior engineers.

The ideal candidate has strong expertise in AWS and modern frontend technologies like React.js and TypeScript. Join us for a dynamic role that emphasizes engineering excellence and collaboration!

Qualifications

• 8–10 years of frontend development experience with strong expertise in Java, Spring, and microservice architecture.
• Minimum 3–4 years hands-on experience with cloud-native applications on AWS.
• Strong proficiency in TypeScript, JavaScript, HTML5, CSS3, and modern frontend build tools.
• Excellent communication skills for effective collaboration across teams.

Responsibilities

• Design and develop cloud-native frontend applications using React.js and AWS.
• Integrate backend services and APIs for high-performance trading experiences.
• Implement automated testing and participate in CI/CD pipelines.
• Mentor junior engineers and contribute to engineering excellence.

Skills

Frontend development

Java

Spring

Microservice architecture

React.js

React Native

AWS

TypeScript

RESTful APIs

Unit testing

Tools

AWS Lambda

API Gateway

DynamoDB

Webpack

Babel

Vite

Job description

What you’ll do

Design, develop, and maintain scalable, cloud-native frontend applications using React.js, TypeScript, React Native, and AWS, delivering high-performance client trading experiences.

Build and integrate secure, reliable backend services and APIs using AWS Lambda, API Gateway, and related cloud-native technologies.

Contribute to frontend architecture, performance optimization, and engineering best practices to ensure responsiveness, scalability, and resilience under real‑time trading workloads.

Deploy, monitor, and operate applications on AWS using services such as S3, CloudFront, and serverless infrastructure, ensuring high availability and reliability in production.

Implement automated testing, participate in CI/CD pipelines, and drive improvements in code quality, maintainability, and deployment confidence.

Collaborate closely with product, platform, and backend teams to design, deliver, and continuously improve production‑grade trading applications with full feature ownership.

What you’ll need for this role

Key Qualification Requirements

• 8–10 years of frontend development experience with strong expertise in Java, Spring, microservice architecture, DynamoDB, lambdas, ECS containers, React.js, React Native, Next.js, Redux, and component‑driven architecture
• Minimum 3–4 years of hands‑on experience designing, developing, and deploying cloud‑native applications on AWS using services such as Lambda, API Gateway, S3, CloudFront, and related infrastructure.
• Proficiency in using AI‑assisted development tools to improve engineering productivity and efficiency.
• Strong proficiency in TypeScript, JavaScript (ES6+), HTML5, CSS3, and modern frontend build tools such as Webpack, Babel, and Vite.
• Mandatory experience building and deploying cloud‑native applications on AWS (S3, CloudFront, Lambda, API Gateway, Amplify).
• Experience with Progressive Web Apps (PWA), Service Workers, caching strategies, and frontend performance optimization.
• Hands‑on experience with unit testing (Jest, React Testing Library), TDD practices, and modern CI/CD pipelines.
• Strong understanding of frontend architecture, RESTful APIs, browser internals, and delivering production‑grade applications at scale.
• Experience handling end‑to‑end feature ownership, including design, development, testing, and deployment.
• Experience mentoring junior engineers and contributing to engineering excellence within the team.
• Familiarity with AI‑assisted development tools (such as GitHub Copilot or similar) to improve productivity and engineering efficiency.
• Excellent communication skills, with the ability to clearly articulate technical concepts, collaborate effectively across teams, and contribute positively to engineering culture and decision‑making.