Fullstack Engineer – Golang / React / TypeScript

Astek Group; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Astek Group is seeking a Mid to Senior Full Stack Engineer specializing in Golang and React/TypeScript to design, develop and maintain scalable applications. You will work across frontend, backend and data integration layers, participating in CI/CD, testing and secure coding practices.

Responsibilities include designing data models for relational databases, implementing secure APIs, and collaborating with cross-functional teams to deliver high-quality software.

Qualifications

• 5–7+ years of software engineering experience with production-grade full-stack apps.
• Strong hands-on experience with Golang, React and TypeScript.
• Experience with APIs and services in production environments.
• Knowledge of system design principles including scalability and fault tolerance.
• Experience with asynchronous processing, messaging systems and event-driven architectures.
• Experience with Azure or equivalent cloud platforms and CI/CD pipelines.

Responsibilities

• Design, develop and maintain full-stack applications across frontend, backend and data integration.
• Build responsive frontend using React and TypeScript with reusable components.
• Develop secure backend services and RESTful APIs with proper auth and error handling.
• Design data models for relational DBs and event-driven architectures.
• Participate in code reviews, testing, CI/CD, production troubleshooting and root-cause analysis.
• Collaborate with stakeholders and apply secure coding practices.

Skills

5–7+ years experience

Golang

React

TypeScript

Frontend architecture

APIs

Security practices

CI/CD

Azure

AI-assisted SDLC

Tools

Azure

CI/CD pipelines

Containerization

Observability tooling

AI-assisted development tools

Job description

Full Stack Engineer – Golang / React / TypeScript

Role Overview

We are seeking an experienced Mid to Senior Level Golang Engineer to design, develop and maintain scalable, secure and reliable applications. You will be responsible for end-to-end software delivery, working across frontend, backend and data integration layers while collaborating with cross-functional teams to deliver high-quality solutions.

Key Responsibilities

• Design, develop and maintain full-stack applications, translating business requirements into scalable, reliable and maintainable solutions.

• Build responsive, accessible and high-performance frontend applications using React and TypeScript, incorporating reusable components, state management and robust error handling.

• Develop secure and resilient backend services and RESTful APIs, ensuring proper authentication, authorization, validation, versioning and error handling.

• Design data models and integrations supporting relational databases, asynchronous processing and event-driven architectures.

• Participate in system design, code reviews, automated testing, CI/CD deployments, production troubleshooting and root cause analysis.

• Apply cloud-native engineering practices, including containerization, configuration management, monitoring and observability.

• Implement secure coding practices, ensuring data protection, access controls, secrets management, auditability and compliance requirements.

• Collaborate with product owners, infrastructure, cybersecurity, operational technology (OT) teams, vendors and business stakeholders to deliver technical solutions.

• Provide technical guidance, mentor engineers and drive improvements in engineering standards and development practices.

• Leverage AI-assisted development tools, including GitHub Copilot and agentic coding assistants, to improve development efficiency while maintaining code quality, security and reliability.

Requirements

• 5–7+ years of software engineering experience, with proven ownership of production-grade full-stack applications.

• Strong hands-on experience with Golang, React and TypeScript, including frontend component architecture, hooks, state management, testing and performance optimization.

• Solid backend engineering experience developing, deploying and maintaining APIs and services in production environments.

• Strong understanding of system design principles, including scalability, concurrency, caching, reliability, consistency and fault tolerance.

• Experience with asynchronous processing, messaging systems and event-driven architectures, including retries, message ordering and duplicate handling.

• Hands-on experience with Microsoft Azure or equivalent cloud platforms, containerization, CI/CD pipelines, configuration management and observability.

• Proficiency in automated testing, including unit, integration, contract and end-to-end testing.

• Experience applying secure software development practices and handling sensitive or operational data.

• Familiarity with AI-assisted software development lifecycle (SDLC) practices and the ability to review AI-generated code for security, performance, maintainability and reliability.

• Strong analytical, problem-solving and communication skills, with the ability to collaborate effectively with technical and non-technical stakeholders.