Software Engineer (Spring Framework, WebSphere) - Contract

QUESS SELECTION & SERVICES PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

QUESS SELECTION & SERVICES PTE. LTD. is seeking an Experienced Software Engineer with strong J2EE expertise to design, develop, enhance, and support enterprise applications.

You will collaborate with cross-functional teams to deliver secure, scalable software solutions. Ideal candidates have 8+ years of hands-on experience in Java-based enterprise apps, proficiency in Spring, RESTful APIs, and a solid grasp of microservices, security, and CI/CD practices.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or a related field.

Responsibilities

• Design, develop, enhance, and maintain enterprise applications using J2EE technologies.
• Lead technical design discussions and contribute to solution architecture.
• Develop maintainable code and ensure compliance with coding standards and security guidelines.
• Analyze requirements and translate them into scalable designs and software solutions.
• Perform unit testing and support integration testing, UAT, and production deployment.
• Investigate defects and performance issues through root cause analysis and provide corrective actions.
• Conduct code reviews to ensure quality and adherence to standards.
• Collaborate with Analysts, Architects, QA, and stakeholders to refine requirements.
• Prepare technical documentation including design specs and deployment guides.
• Mentor junior developers and promote development best practices.
• Identify opportunities to improve performance, reliability, and security.
• Ensure compliance with SDLC and organizational security policies.

Skills

Java

Spring/Spring Boot

REST APIs

Microservices

SQL Databases

Application servers

Git

Maven/Gradle

CI/CD

OOP & Design Patterns

Security

Team leadership

Education

Bachelor's degree in Computer Science/IT

Tools

WebLogic

JBoss

WebSphere

Tomcat

Job description

Job Responsibilities:

• Experienced Software Engineer with strong expertise in Java 2 Platform, Enterprise Edition (J2EE) to design, develop, enhance, and support enterprise applications. The successful candidate will collaborate with cross-functional teams to deliver secure, scalable, and high-quality software solutions while adhering to established software development standards and best practices.
• Analyze business and technical requirements and translate them into scalable application designs and software solutions.
• Design, develop, enhance, and maintain enterprise applications using J2EE technologies and industry best practices.
• Lead technical design discussions and contribute to solution architecture, application design, and technology recommendations.
• Develop high-quality, maintainable, and reusable code while ensuring compliance with coding standards and security guidelines.
• Conduct impact analysis, effort estimation, and technical feasibility assessments for new initiatives and system enhancements.
• Develop and execute unit test cases and support integration testing, system testing, User Acceptance Testing (UAT), deployment, and production implementation activities.
• Investigate and resolve application defects, production incidents, and performance issues through root cause analysis and corrective actions.
• Perform code reviews to ensure application quality, maintainability, and adherence to architecture and development standards.
• Collaborate with Business Analysts, Solution Architects, QA teams, and project stakeholders to refine business requirements and deliver technical solutions.
• Prepare and maintain technical documentation, including design specifications, deployment guides, and operational procedures.
• Mentor junior developers by providing technical guidance, conducting knowledge-sharing sessions, and promoting development best practices.
• Identify opportunities to improve application performance, reliability, security, and development processes.
• Ensure compliance with organizational security policies, governance standards, and software development lifecycle (SDLC) processes

Required Skills:

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Minimum 8+ years of hands‑on experience in designing, developing, enhancing, and maintaining enterprise‑level applications based on business and technical requirements.
• Strong expertise in Java 2 Platform, Enterprise Edition (J2EE).
• Proficiency in Java, Spring Framework/Spring Boot, RESTful APIs, and Microservices architecture.
• Experience with relational databases such as Oracle, SQL Server, PostgreSQL, or MySQL.
• Experience with application servers such as WebLogic, JBoss, WebSphere, or Apache Tomcat.
• Proficiency with Git, Maven/Gradle, and CI/CD tools.
• Strong understanding of object‑oriented programming, design patterns, and secure coding practices.
• Experience in unit testing, debugging, application performance tuning, and production support.
• Strong analytical, problem‑solving, communication, and stakeholder management skills.
• Ability to provide technical leadership, mentor team members, and collaborate effectively across cross‑functional teams.