Java Backend Developer – Banking Domain

HORIZON GLOBAL SERVICES PTE. LTD.; Singapore; On-site; SGD 80,000 - 120,000; Full time

Job summary

A technology service provider in Singapore is seeking an experienced software developer to design and develop back-end microservices using Java technologies specifically for banking applications. The ideal candidate will have over 7 years of experience, work closely with various teams, and be proficient in Kafka, Oracle, and Spring Boot among other technologies. This role promises engaging challenges and opportunities for career development.

Qualifications

• 7+ years of experience in software development, particularly in banking.
• Strong understanding of back-end microservices architecture using Java.

Responsibilities

• Develop enterprise Java microservices.
• Integrate Kafka, Oracle, and workflow engines.
• Implement messaging, API integration, and data persistence.
• Ensure robust unit testing and code coverage.
• Performance tuning and SQL optimization.
• Work closely with DevOps, product, and front-end teams.

Skills

Core Java 8+

JUnit

Kafka

Oracle

Spring Boot

Spring Core

Basic Linux shell scripting

Messaging Systems

RDBMS

REST & SOAP web services

SQL performance tuning

IntelliJ

Git

SonarQube/SonarLint

Job description

Experience: 7+ years
Domain Requirement: Banking

Role Summary:
Responsible for designing and developing back-end microservices using Java-based technologies, integrating with enterprise systems, and delivering secure and high-performance systems for banking applications.

Key Responsibilities:

• Develop enterprise Java microservices.
• Integrate Kafka, Oracle and workflow engines.
• Implement messaging, API integration, and data persistence.
• Ensure robust unit testing and code coverage.
• Performance tuning and SQL optimization.
• Work closely with DevOps, product, and front-end teams.

Must-Have Technical Skills:

• Core Java 8+ & JUnit
• Kafka, Oracle
• Spring Boot & Spring Core
• Workflow engines (Flowable preferred)
• Basic Linux shell scripting
• Messaging Systems: JMS, MQ
• RDBMS (SQL queries, joins, triggers)
• REST & SOAP web services
• Experience in SQL performance tuning
• Familiarity with IntelliJ, Git, SonarQube / SonarLint

Good-to-Have Skills:

• JBOSS or other application servers
• Java Server Faces, JPA, EJB
• Ability to write complex SQL
• React JS (nice bonus)