Fullstack Backend Developer

UNISON Group

Singapore, SGonsite$7k-$9k/yrPosted Jun 16, 2026
Posting intelligenceActively listedReposted 16×, possible evergreen/ghost posting

Skills

postgresjavascripttypescriptplaywrightmariadbemotioncypressspringhtmlkafkareactjunitcssjavajest

About the 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.

Requirements

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

Compensation

This Backend Engineer role pays $7k-$9k/yr. Within typical range for backend engineer roles in Singapore.

Questions about this role

Click "Apply with AI Applyd" above. We auto-fill the application from your resume and answer screening questions in seconds. No copy and paste, no juggling tabs.

Compensation for Backend Engineer roles in Singapore varies widely by seniority, employer size, and remote vs onsite arrangement. Check the salary range on this listing when published, or browse our Backend Engineer hub for Singapore medians across recent openings.

Most applications complete in under 90 seconds. You can track the status in your dashboard and watch the screenshot proof land the moment the application submits.

AI Applyd supports Greenhouse, Lever, Ashby, Workday, iCIMS, SmartRecruiters, Personio, Teamtailor and other major ATS platforms. If we can submit through the platform, we do.

Want AI Applyd to auto-apply to roles like this?

We tailor your resume per posting, fill the forms, and track replies for you.