Fullstack Frond End Developer

Unison Group; Singapore; On-site; SGD 78,120 - 106,020; Full time

Job summary

Unison Group is looking for a highly skilled Full Stack Software Engineer to innovate and optimize financial applications in Wealth Management. The role involves designing and maintaining applications using Java Spring Boot and React, collaborating with various teams to deliver high-quality products.

The ideal candidate should possess expert-level skills in Typescript, React, and Java, along with a strong understanding of backend technologies and best practices. The salary range for this position is between 7000 and 9500.

Qualifications

• Expert-level knowledge in Typescript and React 19.
• Strong proficiency in Java 21 with Spring Boot.
• Experience in building Micro Frontend architectures.

Responsibilities

• Design, develop, and maintain full stack applications.
• Build and optimize RESTful APIs and microservices.
• Drive technical innovation and continuous improvement.

Skills

Expert-level Typescript

React 19

Java (Java 21)

Spring Boot

SQL Optimization

RESTful API Design

Microservices

Performance Optimization

Unit Testing

Job description

We seek a highly skilled Full Stack Software Engineer proficient in Java Spring Boot backend and modern React frontend technologies. You will shape the future technical direction of user journeys within Wealth Management, innovating financial applications for our internal users and clients. We foster continuous learning, encouraging technology exploration and providing access to internal learning platforms.

Key Responsibilities

• You will design, develop, and maintain full stack applications using Java Spring Boot and React for our internal users and clients in Wealth Management.
• You will build and optimize RESTful APIs and microservices.
• You will implement and maintain Micro Frontend (MFE) architectures.
• You will drive best practices across the entire technology stack.
• You will collaborate with business analysts, project managers, business stakeholders, and other tech teams to integrate and deliver high-quality products.
• You will troubleshoot complex production issues spanning frontend and backend.
• You will drive technical innovation and continuous improvement initiatives.
• You will participate in system design discussions and contribute to the technical roadmap.

Required Frontend Technical Skills

• Expert-level Typescript & React 19 experience, demonstrating deep understanding of hooks, context, and component lifecycle. Strong proficiency in Redux, Redux Toolkit (RTK), and RTK Query for state management and data fetching.
• Expert-level knowledge of modern web technologies: Micro Frontend (MFE) architecture (Module Federation, Single-SPA), advanced HTML5, semantic markup, and expert-level CSS3 (Flexbox, Grid, responsive design, CSS-in-JS like Styled Components, Emotion).
• Strong command of modern JavaScript/TypeScript (ES6+), frontend build tools (Webpack, Vite), and testing frameworks (Jest, React Testing Library, Cypress, Playwright).
• Proven expertise in performance optimization (code splitting, lazy loading) and practical application of design systems and component libraries (e.g., Storybook) for consistency and efficiency across frontend engineering.

Required Backend Technical Skills

• Strong proficiency in Java (Java 21) with deep understanding of core concepts, coupled with expert-level Spring Boot framework knowledge (MVC, Data, Security, Cloud).
• Strong understanding of modulith/microservices patterns and best practices, alongside experience with relational databases (MariaDB, PostgreSQL) and SQL optimization.
• Strong knowledge of RESTful API design principles and experience with message queues (Kafka, IBM MQ, etc.).
• Proven expertise in unit testing and integration testing (JUnit, Mockito, Karate), and a strong understanding of design patterns and SOLID principles.

Salary Range 7000 - 9500