Full Stack Developer - Precious Metals Clearing (PMC)

Unison Group; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Unison Group in Singapore seeks an experienced Senior Java Developer to design, build, and maintain enterprise web applications using Java and SPA technologies. You will collaborate with analysts, architects, and dev teams to deliver robust technical solutions and REST-based services.

The role emphasizes security compliance, coding standards, and continuous improvement. Prior exposure to Global Markets and Back Office apps is a plus, with hands-on Spring/Spring Boot and modern frontend skills.

Qualifications

• At least 6 years' relevant experience preferably in a finance institution.
• Proficient in enterprise web applications using Java and SPA technologies.
• Experience collaborating with business analysts, architects, and development teams.
• Experience developing REST-based services and web applications.
• Knowledge of security standards and coding best practices.

Responsibilities

• Design, develop, test, and maintain enterprise web applications using Java and SPA technologies.
• Collaborate with business analysts, architects, and development teams to deliver technical solutions.
• Develop and maintain REST-based services and web applications.
• Participate in application design, estimation, and technical reviews.
• Ensure adherence to coding standards, security requirements, and development best practices.
• Perform unit testing, defect resolution, and production support activities.
• Contribute to performance tuning, troubleshooting, and continuous improvement initiatives.
• Prepare and maintain technical documentation as required.
• Exposure to Global Markets and Back Office applications development is preferred.

Skills

Core Java

Java design patterns

Multithreading

RESTful services

Angular/React (SPA)

TypeScript/JavaScript

Spring Framework (MVC, JPA)

Hibernate

Spring Boot

Security: OpenID Connect/OAuth 2.0/Spr

RDBMS & SQL

Messaging: JMS/IBM MQ/RabbitMQ

Tools

JMS

IBM MQ

RabbitMQ

Spring Security

OpenID Connect

Job description

Responsibilities:

• At least 6 years’ relevant experience preferably in a Finance Institution
• Design, develop, test, and maintain enterprise web applications using Java and SPA technologies.
• Collaborate with business analysts, architects, and development teams to deliver technical solutions.
• Develop and maintain REST-based services and web applications.
• Participate in application design, estimation, and technical reviews.
• Ensure adherence to coding standards, security requirements, and development best practices.
• Perform unit testing, defect resolution, and production support activities.
• Contribute to performance tuning, troubleshooting, and continuous improvement initiatives.
  Prepare and maintain technical documentation as required

Global Markets and Back Office:

• Preferable to have exposure to Global Markets and Back Office applications development experience

Java and Open-Source Frameworks:

• Strong Core Java expertise with hands‑on experience in Collections, I/O, and Multithreading.
• Strong understanding of Java Design Patterns and coding best practices.
• Good knowledge of Spring Framework, including MVC and JPA modules.
• Hands‑on experience with Hibernate development.
• Experience with Spring Boot application development.

Security:

• Knowledge of ADFS, OpenID Connect (OIDC), OAuth 2.0, and Spring Security

Web Development:

• Experience in Angular and/or React development
• Strong TypeScript and JavaScript development skills
• Good understanding of Web Application Design principles

Databases:

• Strong RDBMS and SQL development skills

Messaging:

• Messaging fundamentals like Queueing, Pub/Sub, Channels, DLQ etc
• JMS, IBM MQ WebSphere or Rabbit MQ