Java Software Engineer – Spring Boot / AWS

ACP COMPUTER TRAINING SCHOOL PTE. LTD.; Singapore; On-site; SGD 90,000 - 180,000; Full time

Job summary

ACP Computer Training School Pte. Ltd. is seeking an experienced software developer to design, develop, and deliver a high‑volume AFC back‑office system. The role covers full SDLC, documentation, testing, and user liaison across UNIX/Linux and Windows environments.

The candidate should have 5+ years in enterprise Java development, strong database skills, and hands‑on experience with Spring, Docker, and cloud DevOps practices. This is a demanding technical position in Singapore.

Qualifications

• Recognised degree in Computer Science, IT or engineering with at least 5 years' relevant experience in software development.
• Gone through at least one full software development lifecycle (SDLC) with experience in producing SDLC documentations.
• Extensive experience in analysing requirements, designing, development and delivering complex enterprise applications in Java/JEE, web programming on UNIX / LINUX and Windows environment.
• Proficiency with database programming such as SQL and DAO, and relevant experience with MySQL, PostgreSQL
• Experience in Spring Framework and Spring Boot;
• Experience in Software Modernization, Containerization, Microservices;
• Experience in Agile development methodology and continuous integration;
• Experience in writing Requirements Specification, Use Cases, Design Documentation, object-oriented software design and UML modelling;
• Proficiency in AWS ECS and Docker containerization, with a solid understanding of DevOps principles and best practices

Responsibilities

• Requirements gathering;
• Design, development, and maintenance of the software;
• Preparation and submission of deliverables throughout the software development lifecycles such as Business Rules, Software Requirement Specifications, Software Architecture Document, Design Specification, Interface Specifications, Source Codes, Testing Specification, Operation and Maintenance Manual, Training Manual and others documents as required in the standard adopted by the Authority;
• Assist the Authority with day-to-day application support issues; and
• Liaise with users on the requirement, design and testing issues.

Skills

Java/JEE

Web programming

UNIX/Linux

SQL

MySQL

PostgreSQL

Spring Framework

Spring Boot

Docker

AWS ECS

CI/CD

UML modelling

Angular

Java Unit Tests

Education

Recognised degree in Computer Science, IT or engineering

Tools

Docker

Kubernetes

AWS ECS

Job description

Responsibilities:

Working with the development team, you will be responsible for the design, development, documentation, testing and delivery of the software solution for an Automatic Fare Collection (AFC) system or a high volume and performance intensive back office of an AFC system.
The activities required to be performed shall include the following:

• Requirements gathering;
• Design, development, and maintenance of the software;
• Preparation and submission of deliverables throughout the software development lifecycles such as Business Rules, Software Requirement Specifications, Software Architecture Document, Design Specification, Interface Specifications, Source Codes, Testing Specification, Operation and Maintenance Manual, Training Manual and others documents as required in the standard adopted by the Authority;
• Assist the Authority with day-to-day application support issues; and
• Liaise with users on the requirement, design and testing issues.

Qualifications & Requirements:

• Recognised degree in Computer Science, IT or engineering with at least 5 years' relevant experience in software development;
• Gone through at least one full software development lifecycle (SDLC) with experience in producing SDLC documentations;
• Extensive experience in analysing requirements, designing, development and delivering complex enterprise applications in Java/JEE, web programming on UNIX / LINUX and Windows environment;
• Proficiency with database programming such as SQL and DAO, and relevant experience with MySQL, PostgreSQL
• Experience in Spring Framework and Spring Boot;
• Experience in Software Modernization, Containerization, Microservices;
• Experience in Agile development methodology and continuous integration;
• Experience in writing Requirements Specification, Use Cases, Design Documentation, object-oriented software design and UML modelling;
• Proficiency in AWS ECS and Docker containerization, with a solid understanding of DevOps principles and best practices

Added advantage if candidate is familiar with one or more of the following technologies:
i.Experience in Message Queues and/or Solace;
ii.Experience in Cloud Computing, Kubernetes & Dockers, AWS Services like Amazon ECS Fargate, AWS RDS & Lambda;
iii. Experience in Automatic Fare Collection (AFC) system;
iv.Experience in EMV and Payment Card Industry Data Security Standard (PCI DSS);
v.Experience in Microsoft Active Directory
vi.Experience in HTML / CSS / JavaScript / JSON
vii.Experience in Secure Communications (SFTP, HTTPS, etc.)
viii.Experience in Angular or equivalent
ix.Experience in Java Unit Tests frameworks

Key consideration:

1. Extensive experience in analysing requirements, designing, development and delivering complex enterprise applications in Java/JEE, web programming on UNIX / LINUX and Windows environment;
2. Proficiency with database programming such as SQL and DAO, and relevant experience with MySQL, PostgreSQL
3. Experience in Spring Framework and Spring Boot;
4. Experience in Software Modernization, Containerization, Microservices;
5. Proficiency in AWS ECS and Docker containerization, with a solid understanding of DevOps principles and best practices
6. Experience in Message Queues and/or Solace
7. Experience in Cloud Computing, Kubernetes & Dockers, AWS Services like Amazon ECS Fargate, AWS RDS & Lambda