Java leads/Sr. Java developer_Banking domain

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

Job summary

Helius Technologies Pte Ltd in Singapore is seeking a Senior Java Developer to design, develop, and support complex enterprise applications in Wealth Management and Banking domains. You will translate business requirements into scalable Java solutions using Core Java, Spring Boot, REST/SOAP services, JMS/IBM MQ, and SQL optimisation, while working in a collaborative Agile environment.

The role offers exposure to modern tech, rigorous coding standards, and opportunities to contribute to

Qualifications

• Hands-on experience designing, developing, and supporting enterprise applications.
• Experience in Wealth Management/Banking systems.
• Strong knowledge of Java, Spring, and backend architectures.
• Experience with test-driven development and CI/CD practices.

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 Oracle/MySQL databases.
• 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.

Skills

Core Java & OOP

Data Structures & Algorithms

Agile/Scrum experience

Problem-solving

Tools

Spring Boot

JUnit & TDD

REST/SOAP Web Services

JMS IBM MQ

Oracle & MySQL SQL

Maven, Git, SonarQube

Linux Shell

Kafka

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 ing
• 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