Fullstack Developer (Java)

MINDTECK SINGAPORE PTE LTD; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

MINDTECK SINGAPORE PTE LTD is seeking a highly motivated Full Stack Java Developer to support, maintain, and enhance mission-critical enterprise applications. The candidate should have strong Java/J2EE, RESTful APIs, and web development experience within a structured enterprise environment.

The role involves analysis of business requirements, design and development of backend and frontend components, troubleshooting production issues, and collaboration with stakeholders under Agile/Scrum

Qualifications

• At least 5 years of hands-on Java/J2EE enterprise development and support.

Responsibilities

• Understand business requirements and perform detailed analysis to propose technical solutions.
• Design, develop, maintain enterprise web apps and backend services.
• Support existing applications, investigate incidents, troubleshoot production issues, and implement fixes.
• Develop and maintain RESTful APIs and database integrations.
• Review deliverables according to release and change management processes.
• Collaborate with business users, QA, infra, and stakeholders for project delivery.
• Participate in root cause analysis and continuous improvement initiatives.
• Create unit tests and integration tests; support UAT activities.
• Prepare technical docs and guides; adhere to coding standards.
• Utilize AI-assisted development tools to improve productivity and quality.
• Contribute to AI-assisted development standards and guidelines.

Skills

Java/J2EE

RESTful APIs

Spring Framework

Web front-end

SQL Server

Angular/TypeScript

Tomcat

JBoss/WebLogic

Maven

Tools

Tomcat

JBoss

WebLogic

Maven

Job description

Full Stack Developer (Java)

We are seeking a highly motivated Full Stack Java Developer / Application Engineer to support, maintain, and enhance mission-critical enterprise applications. The ideal candidate should possess strong experience in Java enterprise application development, production support, system integration, troubleshooting, and software delivery within a structured enterprise environment.

This role requires a hands‑on engineer who can understand business requirements, analyze complex systems, develop and maintain software solutions, troubleshoot production issues, and collaborate closely with business stakeholders.

Responsibilities

• Understand business requirements and perform detailed analysis to propose and implement appropriate technical solutions.
• Design, develop, maintain, and enhance enterprise web applications and backend services.
• Support existing applications, investigate incidents, troubleshoot production issues, and implement corrective actions.
• Develop and maintain RESTfulAPIs, database integrations, and system-to-system interfaces.
• Perform code reviews, design reviews, impact assessments, and technical documentation.
• Analyze and optimize application performance, scalability, reliability, and maintainability.
• Collaborate with business users, QA teams, infrastructure teams, and stakeholders to ensure successful project delivery.
• Participate in root cause analysis, problem management, and continuous improvement initiatives.
• Create and execute unit tests, integration tests, and support user acceptance testing activities.
• Review deliverables according to release management and change management processes.
• Support deployment activities, production releases, and post‑release monitoring.
• Follow Agile/Scrum methodologies for planning, estimation, task tracking, and status reporting.
• Design and develop reusable frameworks, components, utilities, and coding standards.
• Create and maintain technical documentation, troubleshooting guides, and knowledge base articles.
• Leverage AI‑assisted development tools such as GitHub Copilot to improve productivity, code quality, testing, and documentation.
• Create and maintain GitHub Copilot custom instructions, coding guidelines, and development standards to support team‑wide AI‑assisted development practices.

Requirements

Technical Skills

• At least 5 years of hands‑on experience in Java/J2EE enterprise application development and support.
• Strong experience with Java 8and object‑oriented programming principles.
• Experience with JSF, PrimeFaces, JSP, Servlets, MVC architecture, and enterprise web application development.
• Experience with SpringFramework, Spring Boot, Hibernate, Struts, or equivalent Java frameworks.
• Strong understanding of RESTfulAPIs, web services, and integration patterns.
• Experience with relational databases such as Microsoft SQL Server, including query optimization, stored procedures, and database troubleshooting.
• Hands‑on experience with frontend technologies including HTML, CSS, JavaScript, jQuery, Angular, or TypeScript.
• Experience maintaining and enhancing large legacy applications with limited documentation.
• Strong problem‑solving skills in troubleshooting application, database, integration, and performance‑related issues.
• Experience with application servers such as Tomcat, JBoss, WebLogic, or equivalent platforms.
• Familiarity with build and dependency management tools such as Maven and Ant.
• In‑depth understanding of Git‑based source control management, branching strategies, merge requests, and code review practices.
• Experience with software development lifecycle (SDLC), release management, and change management processes.
• Knowledge of DevSecOps principles and secure coding practices.
• Experience implementing automated testing, unit testing, and integration testing.

Soft Skills

• Strong analytical and problem‑solving skills.
• Excellent communication and stakeholder management skills.
• Ability to work independently and collaboratively in a fast‑paced environment.
• Strong documentation and technical writing skills.
• Ability to mentor and guide team members in technical best practices.
• Excellent verbal and written English communication skills.

Preferred skills and experiences

• Experience in supporting large‑scale enterprise applications.
• Experience integrating systems using REST APIs, message queues, or middleware platforms.
• Knowledge of microservices architecture and distributed systems.
• Experience with cloud platforms such as AWS.
• Familiarity with CI/CD pipelines and automation tools.
• Experience with application performance monitoring and troubleshooting tools.
• Experience working in Agile/Scrum development environments.
• Experience in application modernization, migration, or digital transformation initiatives.
• Familiarity with software architecture patterns and enterprise integration patterns.
• Knowledge of containerization technologies such as Docker and Kubernetes.
• Experience preparing technical specifications, solution design documents, implementation guides, and operational documentation.
• Experience using GitHub Copilotor similar AI‑powered development tools for software development activities.