Full-Stack Developer – AI-Augmented, Global Microservices

Toppan Security Limited; Hong Kong; On-site; HKD 360,000 - 600,000; Full time

Job summary

TOPPAN Security Limited is seeking a Full Stack Developer to design, develop, and maintain web applications and customized software across front‑end and back‑end technologies. You will collaborate with cross‑functional teams to deliver reliable, scalable applications, with a focus on modern frameworks and AI‑augmented development tools.

The role requires a strong foundation in web development, experience with React.js and TypeScript, and familiarity with microservices and cloud-native practices.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field.
• At least 3 years of experience in full-stack development, with 3–5 years being the target range.
• Strong proficiency in Spring Framework, Quarkus, or .NET.
• Practical experience with React.js and TypeScript.
• Experience developing and integrating RESTful web APIs and gRPC services.
• Familiarity with microservice architecture and Kubernetes is an advantage.
• Experience working with MSSQL, MongoDB, or PostgreSQL.
• Understanding of software development best practices, code quality, testing, and documentation.
• Familiarity with AI‑augmented software development practices, including tools such as Claude Code, Kiro, or similar.

Responsibilities

• Design, develop, test, and maintain web applications across front-end and back-end components.
• Build responsive user interfaces using HTML, CSS, JavaScript, React.js, and TypeScript.
• Develop and maintain back-end services using Spring Framework, Quarkus, or .NET.
• Design, integrate, and maintain RESTful web APIs and gRPC services.
• Work with databases such as MSSQL, MongoDB, and PostgreSQL.
• Write clean, efficient, secure, and well‑documented code.
• Collaborate with cross‑functional teams to identify requirements and solve technical challenges.
• Participate in code reviews, share knowledge, and provide constructive feedback.
• Contribute to the design and development of scalable applications using microservice architecture.
• Explore and apply AI‑augmented software development tools to support coding, debugging, design, and code quality.
• Stay up to date with emerging technologies, development practices, and industry trends.
• Contribute to continuous improvement across development processes and software quality.

Skills

Full-stack development

React.js

TypeScript

Spring Framework

Quarkus

.NET

REST APIs

gRPC

Microservices

Kubernetes

AI-assisted tools

Education

Bachelor's degree in Computer Science/IT/Software Engineering

Tools

React.js

TypeScript

Spring Framework

Quarkus

.NET

RESTful APIs

gRPC

Kubernetes

Claude Code

Kiro

Job description

TOPPAN Security Limited is seeking a Full Stack Developer to design, develop, and maintain web applications and customized software across front‑end and back‑end technologies. You will collaborate with cross‑functional teams to deliver reliable, scalable applications, with a focus on modern frameworks and AI‑augmented development tools.

The role requires a strong foundation in web development, experience with React.js and TypeScript, and familiarity with microservices and cloud-native practices.