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Helius Technologies Pte Ltd

Singapore / Global

Java leads/Sr. Java developer_Banking domain

Job Description

Senior Java Developer

We are looking for a strong

Senior Java Developer

with hands-on experience in designing, developing, and supporting complex enterprise applications. The candidate will work on Wealth Management/Banking systems and be responsible for translating business requirements into scalable and high-performing technical solutions.

Key Responsibilities

Design, develop, test, and maintain applications using

Core Java, Spring Boot, Spring, and related Java technologies .

Build and support

REST/SOAP web services, JMS/IBM MQ, and database integrations .

Analyse complex production issues, troubleshoot legacy applications, and provide production support.

Write unit and acceptance tests using

JUnit and TDD practices .

Develop and optimise complex

SQL queries

for relational databases such as

Oracle/MySQL .

Participate in technical design, code reviews, architectural discussions, and Agile development.

Ensure adherence to coding, security, performance, and banking technology standards.

Collaborate with business and technical stakeholders to analyse requirements and deliver technical solutions.

Required Skills

Core Java 8+ and Spring Boot

JUnit, TDD and Continuous Integration

REST/SOAP Web Services and Microservices

JMS / IBM MQ

Oracle/MySQL, SQL and Query Optimisation

Spring Core, Maven, Git and SonarQube

Basic Linux Shell Scripting

Strong knowledge of

OOP, Data Structures and Algorithms

Experience in Agile/Scrum and production support

Preferred Skills

EJB, JPA, JBOSS/Application Servers

Kafka

React.js

Banking or Wealth Management domain experience

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