Senior Software Engineer (Java / ReactJS)

APAR TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

APAR TECHNOLOGIES PTE. LTD. in Singapore is seeking a technical leader to drive a squad, plan sprints, own API contracts, data models, and component architecture.

You will mentor developers, conduct code and design reviews, and collaborate with Solution Architects and Business Analysts to clarify requirements. Expertise in Java 17+, Spring Boot, Hibernate, JPA, ReactJS, TypeScript, PostgreSQL, REST, microservices, containerisation, Git, CI/CD, GCC and AWS is essential, with strong leadership and

Qualifications

• 4–7 years of software engineering experience in enterprise Java and modern front-end development.
• At least 2 years of experience in Agile teams using Sprint-based delivery and user stories.
• Strong knowledge of Java 17+, Spring Boot, JPA/Hibernate, REST, and ReactJS.

Responsibilities

• Lead the squad's development activities and plan work for each Sprint.
• Own technical designs, including API contracts, data model changes, component structure, and integration approaches.
• Implement complex user stories and review all code and technical designs produced by the squad.
• Work with Solution Architects and Business Analysts to clarify technical and functional requirements.
• Develop, test, debug, and maintain applications according to the Definition of Done.
• Write unit and integration tests and resolve defects identified during system testing, SIT, and UAT.
• Support and mentor developers and onboard new team members.
• Present progress during Sprint reviews and technical review meetings.
• Use AI coding tools for code scaffolding, test generation, refactoring, and code investigation, ensuring generated code is reviewed before committing.
• Develop and deploy applications on Government Commercial Cloud (GCC), following landing zone and account separation requirements.
• Support deployments through SHIP-HATS or an equivalent government deployment pipeline.

Skills

Technical leadership

Mentoring

Code reviews

Agile/sprint delivery

Communication

Tools

Java 17+

Spring Boot

ReactJS

TypeScript

PostgreSQL

REST API

Microservices

Containerisation

Git

CI/CD

GCC

AWS

SHIP-HATS

Job description

Key Responsibilities

• Lead the squad's development activities and plan work for each Sprint.

• Own technical designs, including API contracts, data model changes, component structure, and integration approaches.

• Implement complex user stories and review all code and technical designs produced by the squad.

• Work with Solution Architects and Business Analysts to clarify technical and functional requirements.

• Develop, test, debug, and maintain applications according to the Definition of Done.

• Write unit and integration tests and resolve defects identified during system testing, SIT, and UAT.

• Support and mentor developers and onboard new team members.

• Present progress during Sprint reviews and technical review meetings.

• Use AI coding tools for code scaffolding, test generation, refactoring, and code investigation, ensuring generated code is reviewed before committing.

• Develop and deploy applications on Government Commercial Cloud (GCC), following landing zone and account separation requirements.

• Support deployments through SHIP-HATS or an equivalent government deployment pipeline.

Requirements

• 4–7 years of software engineering experience in enterprise Java and modern front-end development.

• At least 2 years of experience working in Agile teams using Sprint-based delivery and user stories.

• Strong knowledge of Java 17+, Spring Boot, JPA, and Hibernate.

• Experience with ReactJS, Vite, and TypeScript.

• Knowledge of PostgreSQL, including query tuning.

• Experience with REST API design, microservices, and containerisation.

• Knowledge of Flowable BPMN and DMN.

• Experience with Git, Maven or Gradle, JUnit, and CI/CD.

• Development-level knowledge of GCC and AWS, including VPC, account boundaries, IAM, secrets handling, and CloudWatch.

• Experience with SHIP-HATS or an equivalent government deployment pipeline.

• Strong technical leadership, code review, problem-solving, and communication skills.
  

  EA Number: 11C4879