Fullstack Backend Developer

Unison Group· Manish
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📍 Singapore, Singapore, SingaporeContract💰 USD 7K–9K

About this role

Salary Range: $7000 - $9000

We are seeking a highly skilled Full Stack Software Engineer proficient in Java Spring Boot backend technologies 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 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 (e.g., 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.

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

Frequently Asked Questions

What is the salary for the Fullstack Backend Developer role at Unison Group?
The listed salary for this Fullstack Backend Developer position at Unison Group is USD 7K–9K. This is an Contract role.
Where is the Fullstack Backend Developer position at Unison Group located?
This Fullstack Backend Developer role at Unison Group is based in Singapore, Singapore, Singapore. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Fullstack Backend Developer role at Unison Group full-time or part-time?
This is listed as a Contract position. It is posted as a Fullstack Backend Developer role in the Manish department at Unison Group.
Which team or department does the Fullstack Backend Developer at Unison Group belong to?
This Fullstack Backend Developer position is part of the Manish department at Unison Group. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Fullstack Backend Developer position at Unison Group?
Click the "Apply Now" button on this page. You will be redirected to Unison Group's official application portal hosted on workable where you can submit your application directly.
When was the Fullstack Backend Developer job at Unison Group posted?
This Fullstack Backend Developer position at Unison Group was posted on Jun 16, 2026. Apply as soon as possible — early applications are often reviewed first.
Fullstack Backend Developer
Unison Group · 💰 USD 7K–9K
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