Sr. Java Full Stack Engineer

Role Overview

We are seeking a highly skilled Sr. Java Full Stack Developer with strong backend expertise in Java and Microservices architecture (70%) and solid frontend experience in React (30%). The ideal candidate will play a critical role in designing scalable backend systems while contributing to modern, responsive UI development.

Key Responsibilities

Backend Development (70%)

• Design, develop, and maintain scalable backend services using Java (8/11/17) and Spring Boot

• Build and manage RESTful APIs and Microservices architecture

• Implement business logic, system integrations, and data processing workflows

• Work with relational and NoSQL databases (Oracle, PostgreSQL, MongoDB)

• Implement security best practices (OAuth2, JWT, Spring Security)

• Optimize application performance and ensure high availability

• Work with messaging systems like Kafka/RabbitMQ

• Write unit and integration tests (JUnit, Mockito)

• Participate in code reviews and ensure coding standards

Frontend Development (30%)

• Develop responsive and dynamic user interfaces using ReactJS

• Work with JavaScript (ES6+), TypeScript, HTML5, CSS3

• Consume backend REST APIs and handle state management (Redux/Context API)

• Implement reusable components and optimize UI performance

• Ensure cross-browser compatibility and responsive design

• Collaborate with UX/UI designers

Required Skills & Qualifications

Backend (Must-Have)

• Strong hands-on experience in Java & Spring Boot

• Experience with Microservices Architecture

• Solid understanding of REST APIs, multithreading, collections

• Experience with SQL & database design

• Knowledge of CI/CD pipelines and DevOps practices

• Experience working in Agile/Scrum environments

Frontend (Good to Have / Required 30%)

• Strong hands-on experience in ReactJS

• Good understanding of JavaScript, TypeScript

• Experience with state management libraries (Redux preferred)

• Understanding of responsive UI and component-based architecture

Good to have:

• Experience with the Trading platforms