Fullstack Java Engineer

GECO Asia Pte Ltd; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

GECO Asia Pte Ltd in Singapore seeks a Full Stack Java Developer to design, develop, and maintain enterprise web applications using modern backend and frontend technologies.

The ideal candidate will have strong experience in Java, Spring Boot, REST APIs, SQL, and front-end development, with the ability to build scalable, secure, and high-performing applications across the full software development lifecycle.

Qualifications

• Bachelor's degree in computer science, IT, software engineering or related field.
• Minimum 5+ years of experience in full-stack application development.

Responsibilities

• Design, develop, and maintain full-stack applications using Java and modern web technologies.
• Develop scalable backend services with Java, Spring Boot, RESTful APIs, and Microservices.
• Build responsive UIs with HTML5, CSS3, JavaScript, and ReactJS or VueJS.
• Integrate frontend with backend APIs and enterprise systems.
• Write clean, testable code and participate in reviews and deployments.

Skills

Java

Spring Boot

REST APIs

Microservices

SQL

Oracle

MySQL

HTML5

CSS3

JavaScript

ReactJS

VueJS

Python

Git

Docker

Kubernetes

Education

Bachelor's Degree in Computer Science / IT / Software Engineering

Job description

Job Summary

We are seeking a Full Stack Java Developer to design, develop, and maintain enterprise web applications using modern backend and frontend technologies. The ideal candidate will have strong experience in Java, Spring Boot, REST APIs, SQL, and front-end development, with the ability to build scalable, secure, and high-performing applications across the full software development lifecycle.

Key Responsibilities

• Design, develop, and maintain full-stack applications using Java and modern web technologies.
• Develop scalable backend services using Java, Spring Boot, RESTful APIs, and Microservices.
• Build responsive and user-friendly web interfaces using HTML5, CSS3, JavaScript, and modern frontend frameworks.
• Integrate frontend applications with backend APIs and enterprise systems.
• Develop and maintain database-driven applications using SQL and Oracle.
• Write clean, reusable, testable, and well-documented code.
• Troubleshoot, debug, and resolve application defects and production issues.
• Participate in code reviews, technical discussions, and solution design activities.
• Develop and execute unit and integration tests to ensure application quality.
• Collaborate with Business Analysts, Architects, QA teams, and other development teams.
• Proactively communicate project status, risks, issues, and dependencies to stakeholders.

General Qualifications

• Bachelor's Degree in Computer Science, Information Technology, Software Engineering, or a related discipline.
• Minimum 5+ years of experience in full-stack application development.

Mandatory Requirements

Backend Development

• Strong hands-on experience with Java.
• Experience with Spring Framework / Spring Boot.
• Experience developing RESTful APIs and Microservices.
• Strong SQL skills and experience with relational databases such as Oracle or MySQL.
• Knowledge of API integration and data formats such as JSON and XML.

Frontend Development

• Strong experience with HTML5, CSS3, and JavaScript.
• Hands-on experience with ReactJS or VueJS.

Additional Technical Skills

• Working knowledge of Python for application development, automation, scripting, or integrations.
• Experience with source control tools such as Git.
• Understanding of software development best practices, testing, and application deployment.

Nice-to-Have Skills

• Experience working in OEM, Retail, or related industries.
• Experience coordinating with development teams and business stakeholders.
• Familiarity with cloud platforms, CI/CD pipelines, and DevOps practices.
• Knowledge of container technologies such as Docker and Kubernetes.