Senior Fullstack developer - 12 months contract

PERSOL TECH SERVICES PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

PERSOL TECH SERVICES PTE. LTD. is seeking an experienced full-stack software engineer to design, develop and maintain scalable enterprise applications.

You will build modern front-ends with React/Angular/Vue.js and robust back-ends using Java/Spring Boot or .NET/C#. You’ll contribute to APIs, microservices and CI/CD pipelines, collaborating with product managers and architects to deliver high-quality software.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Software Engineering or a related discipline.
• 5+ years hands-on full‑stack development experience.
• Strong front‑end experience with React, Angular, Vue.js or similar frameworks.
• Strong back‑end experience with Java/Spring Boot, .NET/C#, or equivalent.
• Hands‑on experience with either Java/Spring Boot OR .NET/C# mandatory.
• Experience with DevOps: CI/CD, automated deployment and source control.
• Experience with DevOps tools such as Jenkins, GitLab CI/CD, Azure DevOps, GitHub Actions.
• Strong understanding of RESTful APIs, microservices and web app architecture.
• Experience with relational and/or NoSQL databases (SQL Server, MySQL, PostgreSQL, Oracle, MongoDB).
• Good Git experience and familiarity with Agile/Scrum.

Responsibilities

• Design, develop and maintain scalable full-stack web applications and enterprise software solutions.
• Develop modern, responsive front-end applications using React, Angular, Vue.js or similar.
• Develop robust back-end applications, APIs and microservices using Java/Spring Boot, .NET/C# or similar.
• Design and implement RESTful APIs and integrate with databases, third-party systems and enterprise platforms.
• Develop and maintain CI/CD pipelines and support automated build, testing and deployment.
• Participate in full SDLC, from requirements and design through development, testing and maintenance.
• Troubleshoot and resolve application issues, performance bottlenecks and production defects.
• Conduct code reviews and contribute to architecture and design discussions.
• Collaborate with product managers, business users, architects and teams to deliver high-quality software.
• Apply software engineering best practices to ensure quality, security, scalability and performance.
• Continuously evaluate and adopt new technologies to improve development and system capabilities.

Skills

Full-stack dev

Frontend frameworks

Java/Spring Boot

.NET/C#

RESTful APIs

DevOps

CI/CD

Git

Databases

Agile/Scrum

OO design

Education

Bachelor's degree in Computer Science, Information Technology, Software Engineering or related discipline

Tools

Jenkins

GitLab CI/CD

Azure DevOps

GitHub Actions

Job description

Duration: 1 year

Working Hours: 8.30am - 6pm, Monday - Fridays. Standby and shift work may be required

Location: Central

Responsibilities

• Design, develop and maintain scalable full-stack web applications and enterprise software solutions.
• Develop modern, responsive and user-friendly front-end applications using React, Angular, Vue.js or similar frameworks.
• Develop robust back-end applications, APIs and microservices using Java/Spring Boot, .NET/C# or similar technologies.
• Design and implement RESTful APIs and integrate applications with databases, third-party systems and enterprise platforms.
• Develop and maintain CI/CD pipelines and support automated build, testing and deployment processes.
• Participate in the full software development lifecycle, from requirements gathering and technical design through development, testing, deployment and maintenance.
• Troubleshoot and resolve application issues, performance bottlenecks and production defects.
• Conduct code reviews and contribute to technical architecture and design discussions.
• Work closely with product managers, business users, architects and other technical teams to deliver high-quality software solutions.
• Apply software engineering best practices to ensure application quality, security, scalability and performance.
• Continuously evaluate and adopt new technologies to improve development efficiency and system capabilities.

Must-Have Requirements

• Bachelor's degree in Computer Science, Information Technology, Software Engineering or a related discipline.
• 5+ years of hands-on experience in full-stack software development.
• Strong front-end development experience with React, Angular, Vue.js or similar modern JavaScript frameworks.
• Strong back-end development experience with Java/Spring Boot, .NET/C#, or equivalent technologies.
• Hands-on experience with either Java/Spring Boot OR .NET/C# is mandatory.
• Hands-on experience with DevOps technologies and practices, including CI/CD, automated deployment and source control.
• Experience with DevOps tools such as Jenkins, GitLab CI/CD, Azure DevOps, GitHub Actions or equivalent.
• Strong understanding of RESTful APIs, microservices and web application architecture.
• Experience with relational and/or NoSQL databases such as SQL Server, MySQL, PostgreSQL, Oracle or MongoDB.
• Good understanding of Git/version control, software development lifecycle and Agile/Scrum methodologies.
• Strong knowledge of software engineering principles, design patterns and object-oriented programming.
• Strong analytical and problem-solving skills with the ability to troubleshoot complex technical issues.