Full Stack Developer (3-5 years experience)

About the role

TOPPAN Security is seeking a Full Stack Developer with 3–5 years of hands‑on experience to design, build, and maintain scalable web applications within a microservices architecture deployed on Kubernetes.

Key responsibilities

• Design, develop, test and maintain full‑stack applications using C#/.NET or Java/Spring Boot for backend and Next.js for frontend.
• Build and consume RESTful APIs, optimize PostgreSQL schemas and queries, and manage containerised services with Kubernetes.
• Write clean, well‑tested code, conduct code reviews, and use Git for version control.
• Monitor application health with observability tools and troubleshoot production issues in Linux environments.

Required profile

• 3–5 years of professional experience as a Full Stack Developer.
• Strong proficiency in C#/.NET and/or Java/Spring Boot.
• Solid experience with Next.js, PostgreSQL, Git, and Linux.
• Hands‑on experience with microservices architecture and Kubernetes.

Required skills

• C#
• .NET framework
• Java
• Spring Boot
• Next.js
• PostgreSQL
• Git
• Kubernetes
• Linux

What we offer

• Opportunity to work on large‑scale systems in a modern microservices environment.
• Collaborative engineering culture with room for professional growth.
• Exposure to a diverse technology stack across backend, frontend, and infrastructure.