Senior Full-Stack Tech Lead – React + Java on AWS

Happiest Minds Technologies; Abu Dhabi; On-site; AED 240,000 - 360,000; Full time

Job summary

Happiest Minds Technologies is seeking a Full Stack Developer to join our International Trading Platform team in Abu Dhabi. You will build a React web trading interface, a React Native micro-app, and Java-based backend microservices on AWS.

After a 6-month handover, you will own production support, deployments, and ongoing enhancements. Key tasks include API integrations with trading systems, cloud deployments via AWS, CI/CD with GitHub Actions, and maintaining security with OAuth and AWS

Qualifications

• Experience in building and integrating React web and React Native frontend with Java backend services.
• Strong knowledge of AWS deployments, CI/CD, and secure coding practices.
• Hands-on experience with fintech/trading platforms is preferred.

Responsibilities

• Collaborate with external consultants to build a React.js web trading interface.
• Develop React Native micro-app integrated into mobile banking channels.
• Create Java-based backend microservices (Spring Boot/Spring Cloud) with AWS deployment.
• Set up and optimize CI/CD pipelines with GitHub Actions for multi-environment deployments.
• Ensure security compliance (OAuth, API keys, AWS Secrets Manager/KMS).
• Own production support and feature development, including incident resolution.
• Document APIs, deployment processes, and operational runbooks.

Skills

React.js

React Native

Java 11+

REST API

WebSocket

Kafka/RabbitMQ

PostgreSQL/MySQL

NoSQL

AWS

GitHub Actions

Docker

OAuth/OpenID Connect

Agile/Scrum

Documentation

UI/UX best practices

Education

Bachelor's degree in Computer Science, Engineering, or equivalent experience

Tools

Spring Boot

Spring Cloud

Terraform

GitHub

Job description

Happiest Minds Technologies is seeking a Full Stack Developer to join our International Trading Platform team in Abu Dhabi. You will build a React web trading interface, a React Native micro-app, and Java-based backend microservices on AWS.

After a 6-month handover, you will own production support, deployments, and ongoing enhancements. Key tasks include API integrations with trading systems, cloud deployments via AWS, CI/CD with GitHub Actions, and maintaining security with OAuth and AWS