Senior Java Engineer - Banking, Regulated Systems

Helius Technologies; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Helius Technologies in Singapore is seeking a Senior Java Developer for a 1-year renewable contract. You will design, develop, and deliver scalable Java-based solutions within complex, enterprise environments across Asia and the Middle East.

The role requires strong Core Java, Spring Boot, JMS, REST/SOAP, and CI/CD practices, with a focus on performance, reliability, and secure coding. You will collaborate in an agile team, tackle legacy defects, and contribute to wealth-management related

Qualifications

• 8 to 12 years of relevant experience.
• Core Java 8+ and JUnit.
• Spring Boot.
• Strong CS knowledge (algorithms, data structures, object-oriented design).
• TDD. Able to write acceptance test.
• Maven.
• Basic Linux shell scripting commands.
• Java Messaging Concepts (JMS, MQ).
• Web Services REST, SOAP.
• Spring core concepts.
• Experience in SQL queries optimisation
• Familiarity with IntelliJ, Git, SonarQube/SonarLint
• Able to write/understand complex SQL queries.
• Kafka.
• React JS or Angular

Responsibilities

• Communicate highly technical issues to non-technical audience.
• Earn good reputation of being technically strong in the organization by help solving problems others struggle.
• Development and delivery with Java, EJB, Spring Boot, MySQL and IBM MQ.
• Understand business / system requirements and translate them into technical solutions that are scalable, stable and fit for purpose.
• Tackle very complex legacy defects that mediocre developers cannot analyse/solve.
• Ensure adherence to the bank standards (including code, security and performance).
• The role provides exposures to Wealth Management systems (CRM, Client on-boarding, KYC, AML, Name Check, Documentum, Captiva, GMC, and Liferay Portal).
• Passionate about technologies and building robust and scalable Java Systems.
• Analysis, design coding, and implementation of complex and custom-built applications.
• Work collaboratively with team to achieve goals. Experience working in Agile methodologies, such as Scrum, and/or Extreme programming.
• Experience in following best practices like Test-Driven Development (TDD) and continuous Integration (CI)
• Investigate and resolve production issues to help maintain a stable production environment; remain cool and effective in crisis.

Skills

Core Java 8+

JUnit

TDD

Spring Boot

Data structures & algorithms

OOP design

Agile (Scrum)

Tools

Maven

Linux shell scripting

JMS

REST

SOAP

Spring Core

IntelliJ

Git

SonarQube/SonarLint

Kafka

React JS

Angular

IBM MQ

MySQL

EJB

Job description

Helius Technologies in Singapore is seeking a Senior Java Developer for a 1-year renewable contract. You will design, develop, and deliver scalable Java-based solutions within complex, enterprise environments across Asia and the Middle East.

The role requires strong Core Java, Spring Boot, JMS, REST/SOAP, and CI/CD practices, with a focus on performance, reliability, and secure coding. You will collaborate in an agile team, tackle legacy defects, and contribute to wealth-management related