Software Engineer (Contract Role)

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

Job summary

QUESS SELECTION & SERVICES PTE. LTD. seeks an experienced full‑stack developer to design, build, and maintain scalable applications. You will work on Java/Spring Boot backends, microservices in containerized environments, and modern React 18+ frontends, deployed via Kubernetes on AWS.

Candidates should have 8+ years of relevant experience, strong RESTful API skills, ORM with Hibernate, and experience with MySQL/MongoDB. Collaboration with UI/UX and participation in CI/CD are essential.

Qualifications

• Bachelor's degree in Computer Science or related field.
• Minimum 8 years of relevant experience.
• Strong backend experience with Java/Spring Boot and RESTful APIs.
• Proficient in frontend with React 18+ and UI/UX collaboration.
• Experience with Kubernetes, AWS, and CI/CD practices.

Responsibilities

• Design, develop, and maintain scalable applications using Java and Spring Boot.
• Develop and integrate microservices in a containerized architecture.
• Build modern, responsive interfaces using React 18+.
• Work with Kubernetes and AWS for deployment and orchestration.
• Develop RESTful APIs and backend services; implement ORM with Hibernate.
• Work with MySQL and MongoDB for data management.
• Collaborate with UI/UX teams to deliver responsive web apps.
• Participate in CI/CD activities using Jenkins.
• Use GitHub for source control and JIRA for issue tracking.
• Troubleshoot issues and improve performance, scalability, reliability.
• Follow modern software engineering practices and open-source standards.

Skills

Java / Java EE

Spring Boot

Microservices

RESTful APIs

Hibernate / ORM

MySQL

MongoDB

HTML5

CSS

React 18+

UI/UX collaboration

CI/CD (Jenkins)

GitHub

JIRA

Kubernetes

AWS

Containerized apps

Education

Bachelor's degree in Computer Science and Technology or related field

Tools

Jenkins

GitHub

Job description

Key Responsibilities

• Design, develop, and maintain scalable applications using Java and Spring Boot.
• Develop and integrate microservices in a containerized architecture.
• Build modern, responsive, and user-friendly interfaces using React 18+.
• Work with Kubernetes and AWS for container orchestration and cloud deployment.
• Develop RESTful APIs and backend services using Spring Boot.
• Implement ORM and database solutions using Hibernate.
• Work with MySQL and/or MongoDB for application data management.
• Collaborate with UI/UX teams to deliver effective and responsive web applications.Participate in CI/CD activities using Jenkins.
• Use GitHub for source-code management and JIRA for issue tracking.
• Troubleshoot application issues and contribute to performance, scalability, and reliability improvements.
• Follow modern software engineering practices and open-source development standards.

Requirements

Bachelor's degree in Computer Science and Technology or related field.

Minimum 8 years of relevant experience.

Backend

• Java / Java EE
• Spring Boot
• Microservices Architecture
• Hibernate / ORM
• RESTful APIs

Frontend

• React 18+
• HTML5
• CSS
• Strong UI/UX development experience
• Knowledge of web page design is an advantage

Cloud & DevOps

• AWS
• Kubernetes
• Containerized application development
• Jenkins / CI/CD