Full Stack Developer
Apex Asia Management Group Pte. Ltd. · Tai Seng, North-East Region ·
- Work mode
- Onsite
- Category
- Fullstack
- Experience
- 5+ years
- Salary
- SGD 8,000 – 10,000 / month
Apex Asia Management Group Pte. Ltd. · Tai Seng, North-East Region ·
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Full-stack developer building a data-dashboard product end to end: Java/Spring Boot REST APIs, Next.js/React/TypeScript frontend with charts and PDF export, PostgreSQL (pgvector) data modeling, and AWS deployment/operations. Onsite in Tai Seng, Singapore; S$8,000–10,000/month.
Salary: $8,000 – $10,000 per month
Design and implement backend REST APIs using Java + Spring Boot
Build Dashboard frontend features using Next.js / React / TypeScript / Tailwind CSS, including data views, forms, charts (Recharts), and PDF export interactions
Design data models and write migration scripts on PostgreSQL (with pgvector) + MyBatis-Plus / Flyway
Work with AWS cloud infrastructure (RDS, ElastiCache, SQS, S3, Secrets Manager), including deployment and operational troubleshooting
Write unit tests (JUnit 5 / ArchUnit) and end-to-end tests (Playwright) to uphold code quality and architectural constraints
Collaborate with product, finance, and operations teams to turn PRDs into maintainable, extensible technical solutions
Bachelor's degree or above in Computer Science or a related field, or equivalent work experience
5+ years of full-stack or front-/back-end engineering experience, able to independently deliver complete features from frontend pages to backend endpoints
Proficient in Java + Spring Boot (MyBatis-Plus, Spring Security, RESTful API design)
Proficient in React / Next.js + TypeScript, with a solid understanding of the App Router, componentization, and state management
Strong command of PostgreSQL relational database design and SQL tuning, and of migration tools such as Flyway
Hands-on experience with AWS services, covering at least two of RDS, S3, SQS, ElastiCache, and Secrets Manager
Proficient with AI coding tools (e.g. Claude Code, Cursor, GitHub Copilot) to accelerate day-to-day development, and able to review and validate AI-generated code before safely integrating it into production
Excellent engineering fundamentals: clean code, design patterns, automated testing, Git-based collaboration
Able to work from a PRD / technical design doc to independently break down requirements and turn them into a technical solution
Hands-on experience with Docker and GitHub Actions CI/CD
Able to read and write Chinese, and comfortable reading Chinese technical docs/PRDs
Good written and spoken English
Hands-on experience building and integrating a Node.js / TypeScript + LangChain / LangGraph AI agent service (knowledge-base retrieval, conversational workflows, business tool calling)
Experience with LLM agent orchestration frameworks such as LangChain / LangGraph / LlamaIndex, or with RAG (retrieval-augmented generation) application development
Experience with vector databases (e.g. pgvector) or semantic search
Experience integrating with the WhatsApp Business API / Meta Cloud API or other messaging platforms
Background in finance/property management/ERP-style SaaS product development
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