Full Stack Developer (Java/ Springboot/ React 18)

Avensys is a reputed global IT professional services company headquartered in Singapore. Our service spectrum includes enterprise solution consulting, business intelligence, business process automation and managed services. Given our decade of success we have evolved to become one of the top trusted providers in Singapore and service a client base across banking and financial services, insurance, information technology, healthcare, retail, and supply chain.

We are currently looking to hire

Full Stack Developer (Java / React)

This is an exciting opportunity to expand your skill set, achieve job satisfaction and work-life balance. More details as below.

Job Type:

One-year Renewable Contract

Responsibilities:

Required Backend Technical Skills

• Strong proficiency in Java (

Java 17+

) with deep understanding of core concepts

• Expert-level

Spring Boot framework knowledge (Spring MVC, Spring Data, Spring Security, Spring Cloud)

• Solid understanding of microservices architecture patterns and best practices
• Experience with relational databases (Maria DB) and SQL optimization
• Strong knowledge of RESTful API design principles
• Experience with message queues (Kafka, IBM MQ, etc.)
• Unit testing and integration testing

(JUnit, Mockito, Karate)

• Strong understanding of design patterns and SOLID principles

Required Frontend Technical Skills

• Expert-level Typescript

React 18+

experience with deep understanding of hooks, context, and component lifecycle

• Strong

Redux and Redux Toolkit (RTK)

proficiency for state management

• RTK Query for efficient data fetching and caching

-

Micro Frontend (MFE)

architecture design and implementation (Module Federation, Single-SPA, or similar)

• Advanced HTML5 and semantic markup
• Expert-level CSS3, including Flexbox, Grid, and responsive design
• CSS-in-JS solutions (Styled Components, Emotion)
• Modern JavaScript/TypeScript (ES6+)
• Frontend build tools (Webpack, Vite, or similar)
• Frontend testing frameworks (

Jest, React Testing Library, Cypress, Playwright)

• Performance optimization techniques (code splitting, lazy loading, memoization)

Additional Technical Experience (Preferred)

• TypeScript for type safety
• Cloud platforms (PCF, AWS, OCP)
• Containerization (Docker) and orchestration (Kubernetes)
• CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions)
• Event-driven architecture
• Design systems and component libraries (Storybook)
• Monitoring and observability tools (Prometheus, Grafana, ELK stack, Sentry)
• Performance profiling and optimization (Lighthouse, Web Vitals)

Architecture & Design Skills

• Microservices and Micro Frontend architecture patterns
• API design and integration patterns
• Distributed systems and caching strategies
• Security best practices (OAuth, JWT, CORS, XSS, CSRF prevention)
• Scalability and performance optimization
• Domain-driven design (DDD)

Soft Skills

• Strong problem-solving and analytical thinking abilities across frontend and backend
• Excellent communication skills for technical discussions and documentation
• Ability to mentor and guide team members on both frontend and backend technologies
• Self-motivated with ability to work independently and in teams
• Strong ownership and accountability mindset
• Comfortable context-switching between frontend and backend work
• Ability to make pragmatic technical trade-offs

WHAT’S ON OFFER

You will be remunerated with an excellent base salary and entitled to attractive company benefits. Additionally, you will get the opportunity to enjoy a fun and collaborative work environment, alongside a strong career progression.

To submit your application, please apply online or email your

UPDATED CV in Microsoft Word format to preethi@aven-sys.com.

Your interest will be treated with strict confidentiality.

CONSULTANT DETAILS

Consultant Name: Preethi Kanthappan

Reg No: R1765546

Avensys Consulting Pte Ltd

EA Licence 12C5759

Privacy Statement

Data collected will be used for recruitment purposes only. Personal data provided will be used strictly in accordance with the relevant data protection law and Avensys' privacy policy

.