OPS and CR Full-Stack Developer (React & Java)

re-zoo-me; Singapore; Hybrid; SGD 60,000 - 90,000; Full time

Job summary

re-zoo-me is seeking a passionate Full-Stack Developer to build scalable web applications using React on the frontend and Java on the backend. You will collaborate with cross-functional teams to deliver features from design through deployment.

Ideal candidates have 2–5 years of experience with React, Java, Spring, RESTful APIs, and modern frontend tooling. A BS in CS or related field and familiarity with CI/CD and cloud platforms are a plus.

Qualifications

• 2–5 years of professional full-stack development experience with React and Java.
• Strong proficiency in React, including hooks, Redux, reusable components, and microfrontend-based UI development.
• Solid backend development experience using Java, including Spring Boot, Spring MVC, and Spring Data / JPA.
• Experience supporting both legacy systems and modern microservice-based architectures.
• Hands-on experience developing and integrating RESTful APIs across frontend and backend layers.
• Strong knowledge of JavaScript (ES6+), HTML5, and CSS3.
• Experience with modern frontend tooling such as Webpack, Babel, NPM/Yarn, and ESLint.
• Familiarity with SQL databases and writing optimized queries.
• Experience implementing unit tests using Jest and JUnit to ensure code quality.
• Proficiency in Git and standard version control workflows.
• Experience working with GitLab CI/CD pipelines for build, test, and deployment.

Responsibilities

• Design, develop, and maintain web applications using React for the frontend and Java for the backend.
• Collaborate with cross functional teams, including Developers, DevOps, and Business Analysts, to deliver features and fixes.
• Participate in all stages of the software development lifecycle, from design and development to testing, deployment, and maintenance.
• Develop and integrate RESTful APIs, ensuring secure and reliable communication between frontend and backend systems.
• Perform code reviews to ensure adherence to coding standards, best practices, and security guidelines.
• Analyze, troubleshoot, and resolve full-stack issues to maintain application stability and performance.
• Contribute to reducing technical debt and improving code quality and maintainability.
• Maintain clear and up-to-date technical documentation and communicate effectively within the team.
• Work under the guidance of senior developers on technical design and architectural decisions.

Skills

React

Java

Spring Boot

Spring MVC

Spring Data / JPA

RESTful APIs

JavaScript ES6+

HTML5

CSS3

Webpack

Babel

NPM/Yarn

ESLint

Git

GitLab CI/CD

SQL

Jest

JUnit

Education

Bachelor’s degree in Computer Science, Software Engineering, or related field

Tools

AWS

Azure

Google Cloud

Job description

Key Responsibilities

• Design, develop, and maintain web applications using React for the frontend and Java for the backend.
• Collaborate with cross functional teams, including Developers, DevOps, and Business Analysts, to deliver features and fixes.
• Participate in all stages of the software development lifecycle, from design and development to testing, deployment, and maintenance.
• Develop and integrate RESTful APIs, ensuring secure and reliable communication between frontend and backend systems.
• Perform code reviews to ensure adherence to coding standards, best practices, and security guidelines.
• Analyze, troubleshoot, and resolve full-stack issues to maintain application stability and performance.
• Contribute to reducing technical debt and improving code quality and maintainability.
• Maintain clear and up-to-date technical documentation and communicate effectively within the team.
• Work under the guidance of senior developers on technical design and architectural decisions.

Required Skills And Qualifications

Technical Skills

• 2–5 years of professional experience in full-stack development, with a strong focus on React and Java.
• Strong proficiency in React, including hooks, Redux, reusable component design, and microfrontend-based UI development.
• Solid backend development experience using Java, including Spring Boot, Spring MVC, and Spring Data / JPA.
• Experience supporting both legacy systems and modern microservice-based architectures.
• Hands-on experience developing and integrating RESTful APIs across frontend and backend layers.
• Strong knowledge of JavaScript (ES6+), HTML5, and CSS3.
• Experience with modern frontend tooling such as Webpack, Babel, NPM/Yarn, and ESLint.
• Familiarity with SQL databases and writing optimized queries.
• Experience implementing unit tests using Jest and JUnit to ensure code quality.
• Proficiency in Git and standard version control workflows.
• Experience working with GitLab CI/CD pipelines for build, test, and deployment.

Soft Skills

• Strong analytical and problem-solving skills with attention to detail.
• Ability to evaluate technical solutions and identify risks or issues early.
• Clear and professional communication skills.
• Willingness to take ownership of tasks and contribute to team success.
• Collaborative mindset with openness to feedback and continuous improvement.
• Self-motivated and eager to learn new technologies and best practices.

Preferred Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• Experience working in Agile environments (Scrum or Kanban).
• Understanding of CI/CD practices, automated testing, and deployment pipelines.
• Exposure to cloud platforms such as AWS, Azure, or Google Cloud.
• Basic awareness of application security practices, including vulnerability management and secure coding.

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