Senior Full Stack Developer (Java + React)

United States Digital Space LLC; Singapore; On-site; SGD 150,000 - 190,000; Full time

Job summary

United States Digital Space LLC in Singapore is seeking a Senior Java Developer to drive core banking platform capabilities. You will design, build, and maintain microservices using Java, Spring Boot, and React, while integrating Kafka-based event streams and REST APIs.

You will work with Azure Cloud, Docker, Kubernetes, and CI/CD pipelines in an Agile environment to deliver reliable software across WM International locations.

Qualifications

• 10–15 years of Java development experience required.
• Strong Spring Boot, Microservices, Kafka expertise.
• Proficiency with ReactJS, JavaScript, HTML and CSS.
• Experience with Azure cloud, Docker, Kubernetes, and CI/CD pipelines.
• Knowledge of SQL/NoSQL databases and API integrations.
• Familiarity with Agile and DevOps practices.

Responsibilities

• Develop and maintain applications using Java, Spring Boot, and React.
• Design and implement microservices and Kafka-based event-driven solutions.
• Build and consume REST APIs and integrate with external systems.
• Work with Azure Cloud, CI/CD pipelines, and container platforms.
• Participate in Agile ceremonies and collaborate with cross-functional teams.
• Troubleshoot production issues and ensure system reliability.

Skills

Java

Spring Boot

Microservices

Kafka

ReactJS

JavaScript

HTML/CSS

Azure

Docker

Kubernetes

CI/CD

SQL/NoSQL

APIs

Agile/DevOps

AI-assisted tools

AI-assisted coding

Tools

Git

Job description

Project description

The WMPC Core stream provides Core Banking capabilities across WM International locations, and works towards integration and synergies across WMPC locations, driving capability-driven and modular platform strategy for Core Banking.

You’ll be working in the WMPC Core Technology team in one of our locations, as per your eligibility and role requirements. Together as a team, we provide solutions to unique business/market requirements.

Responsibilities

• Develop and maintain applications using Java, Spring Boot, and React.
• Design and implement microservices and Kafka-based event-driven solutions.
• Build and consume REST APIs.
• Work with Azure Cloud, CI/CD pipelines, and container platforms.
• Participate in Agile ceremonies and collaborate with cross-functional teams.
• Troubleshoot production issues and ensure system reliability.

Skills

• Must have
  • 10-15 years of experience in Java development.
  • Strong hands‑on experience with Spring Boot, Microservices, and Kafka.
  • Experience with ReactJS, JavaScript, HTML, and CSS.
  • Knowledge of Azure, Docker, Kubernetes, Git, and CI/CD.
  • Experience with SQL/NoSQL databases and API integrations.
  • Good understanding of Agile and DevOps practices.
• Nice to have
  • AI‑Assisted Development: Exposure to AI‑assisted coding tools (e.g., GitLab Copilot, IDE‑based copilots).
  • Familiarity with using generative AI for code suggestions, unit test creation, debugging, and documentation.
  • Eagerness to adopt AI tools to improve development efficiency and learning.

Languages

• English: C2 Proficient

Seniority

Senior

Location

Singapore, Singapore