Full-Stack Backend-Focused Developers

IDC TECHNOLOGIES (SINGAPORE) PTE. LTD.; Singapore; On-site; SGD 70,000 - 130,000; Full time

Benefits offered by this job

Health insurance

Annual bonus potential

Job summary

IDC Technologies (Singapore) Pte. Ltd. is seeking an expert-level backend professional with junior-to-mid frontend capabilities to design, develop and maintain full-stack applications using Java Spring Boot and React for WealthManagement clients.

You will build and optimize RESTful APIs, support microservices architectures, and drive best practices across the technology stack. You will collaborate with analysts, project managers and other tech teams to deliver high-quality products, troubleshoot

Qualifications

• Expert backend experience with Java 21 and Spring Boot (MVC, Data, Security, Cloud).
• Strong understanding of modulith/microservices and relational databases.
• Experience with RESTful APIs and message queues like Kafka.
• Proven expertise in unit/integration testing and SOLID design.

Responsibilities

• Design, develop, and maintain full stack apps using Java Spring Boot and React.
• Build and optimize RESTful APIs and microservices.
• Implement Micro Frontend architectures and ensure cross-team consistency.
• Drive best practices across the technology stack.
• Collaborate with business stakeholders and other tech teams to deliver high-quality products.
• Troubleshoot complex production issues spanning frontend and backend.
• Contribute to technical roadmap and continuous improvement.

Skills

Java + Spring Boot expertise

Microservices architecture

RESTful APIs design

SQL optimization

Unit/Integration testing

TypeScript React feat

Redux/RTK data flow

Frontend performance

Design systems usage

Collaboration across teams

Tools

Kafka

IBM MQ

MariaDB

PostgreSQL

JUnit

Mockito

Job description

Expert-level backend knowledge with junior-to-mid-level frontend capabilities

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 paerns 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.

Key Responsibilities

• You will design, develop, and maintain full stack applicationsusing Java Spring Boot and React for our internal users and clients in WealthManagement.
• 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 deliverhigh-quality products.
• You will troubleshoot complex production issues spanning frontendand backend.
• You will drive technical innovation and continuous improvement initiatives.
• You will participate in system design discussions and contribute to the technical roadmap.