Full Stack Engineer (AL-FNC250902 001/03)

Xcellink Pte Ltd; Singapore; On-site; SGD 100,000 - 180,000; Full time

Job summary

Xcellink Pte Ltd in Singapore is seeking a highly skilled Senior Full Stack Engineer with 5+ years of hands-on experience in React for frontend and Spring Boot for backend. You will design, build, and deploy scalable web applications in a fast-paced environment.

You will collaborate with product and design teams, implement RESTful APIs, optimize performance, and contribute to CI/CD pipelines. Familiarity with AWS and relational databases, plus strong communication skills, are highly valued.

Qualifications

• At least 5 years of professional software engineering experience.
• Strong proficiency in JavaScript/TypeScript and React (functional components, hooks, state management).
• Solid backend development experience with Java + Spring Boot.

Responsibilities

• Design, develop, test, and deploy high-quality web applications using React and Spring Boot.
• Collaborate with product managers, designers, and other engineers to translate business requirements into technical solutions.
• Build reusable, scalable code and components that are easy to maintain and enhance.
• Integrate and optimize APIs and backend services.
• Maintain and improve CI/CD pipelines and development workflows.
• Ensure performance, security, and responsiveness of applications.
• Participate in code reviews and mentor junior developers where needed.
• Troubleshoot production issues and contribute to root cause analysis.

Skills

React

Spring Boot

REST APIs

TypeScript/JavaScript

AWS

CI/CD

Tools

PostgreSQL

MySQL

Git

Jenkins

GitLab CI

Job description

We are looking for highly skilled and experiencedFull Stack Engineerswith at least 5 years of hands-on experience in full-stack development, particularly using React (frontend) and Spring Boot (backend). Familiarity with cloud infrastructure (preferably AWS) is a strong advantage. You will work closely with cross-functional teams to design, develop, and maintain scalable applications.

Key Responsibilities

• Design, develop, test, and deploy high-quality web applications using React and Spring Boot
• Collaborate with product managers, designers, and other engineers to translate business requirements into technical solutions
• Build reusable, scalable code and components that are easy to maintain and enhance
• Integrate and optimize APIs and backend services
• Maintain and improve CI/CD pipelines and development workflows
• Ensure performance, security, and responsiveness of applications
• Participate in code reviews and mentor junior developers where needed
• Troubleshoot production issues and contribute to root cause analysis

Requirements

• At least 5 years of professional software engineering experience
• Strong proficiency in JavaScript/TypeScript and React (functional components, hooks, state management)
• Solid backend development experience with Java + Spring Boot
• Experience designing and consuming RESTful APIs
• Familiarity with relational databases (e.g., PostgreSQL, MySQL) and ORM framework.
• Understanding of CI/CD tools and practices (e.g., Git, Jenkins, GitLab CI)
• Strong debugging, optimization, and performance-tuning skills
• Excellent communication skills and a collaborative mindset

Nice to Have

• Exposure to AWS services such as EC2, S3, Lambda, RDS, etc
• Familiarity with containerization tools like Docker or Kubernetes
• Knowledge of GraphQL or WebSocket-based communication
• Prior experience in agile/Scrum development environments