Senior Full-Stack Developer — Java/Spring & React

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

Job summary

QUESS SELECTION & SERVICES PTE. LTD. seeks a hands-on Senior Full Stack Developer to design, develop, test, and optimize enterprise applications.

You will implement robust backend with Java/Spring Boot and deliver responsive frontend using modern frameworks (Angular/React/Vue.js). You will collaborate across SDLC, participate in Agile ceremonies, and ensure secure, scalable software delivery. The role requires 8+ years in enterprise app development, strong REST API and database skills, and

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• 8+ years of hands-on experience in designing, developing, enhancing, and maintaining enterprise-level applications.
• Full stack application development.
• Strong proficiency in Java and Spring Boot for backend development.
• Frontend technologies such as Angular, React, or Vue.js.
• HTML5, CSS3, JavaScript, and TypeScript.
• Developing and consuming RESTful APIs and web services.
• Relational databases such as Oracle, SQL Server, MySQL, or PostgreSQL.
• Familiarity with Git and version control practices.
• Maven or Gradle for build and dependency management.
• Software design patterns and OOP principles.
• Application debugging and performance tuning.
• Secure coding practices and software security.
• Agile/Scrum methodologies.
• CI/CD and DevOps practices are an advantage.
• Cloud platforms (AWS, Azure, or Google Cloud) is an advantage.
• Translate functional/technical specs into scalable software solutions.
• Write clean, reusable, well-documented code.

Responsibilities

• Participate in solution design discussions and recommend technical approaches to meeting requirements.
• Perform impact analysis, effort estimation, and feasibility assessments for enhancements and features.
• Develop and execute unit tests to ensure software quality before deployment.
• Support integration, system testing, UAT, deployment, and post-production validation.
• Investigate and resolve defects, incidents, and performance issues within SLAs.
• Review code for architecture compliance, secure coding, and guidelines.
• Implement enhancements to improve performance, reliability, and scalability.
• Collaborate with BAs, Solution Architects, QA, DevOps, and other stakeholders across SDLC.
• Participate in Agile ceremonies: sprint planning, backlog refinement, stand-ups, retrospectives, releases.
• Prepare and maintain technical docs: designs, deployment, configs, operations.
• Ensure compliance with security policies, regulatory requirements, and governance.

Skills

Full stack development

Java

Spring Boot

Frontend frameworks

Web technologies

REST APIs

SQL databases

Git

Build tools

Secure coding

Agile/Scrum

CI/CD

Cloud platforms

Design patterns

Performance tuning

Education

Bachelor’s degree in Computer Science or related field

Tools

Oracle

SQL Server

MySQL

PostgreSQL

Git

Maven

Gradle

Job description

QUESS SELECTION & SERVICES PTE. LTD. seeks a hands-on Senior Full Stack Developer to design, develop, test, and optimize enterprise applications.

You will implement robust backend with Java/Spring Boot and deliver responsive frontend using modern frameworks (Angular/React/Vue.js). You will collaborate across SDLC, participate in Agile ceremonies, and ensure secure, scalable software delivery. The role requires 8+ years in enterprise app development, strong REST API and database skills, and