Senior Full-Stack Engineer: Build Scalable Systems & APIs

ZENIKA PTE. LTD.; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

Zenika is a consultancy that blends high-performance backend systems with modern frontend development. As a consultant, you will design and build robust, scalable full-stack applications, collaborating closely with client teams using frameworks like ts/js, Node.js, Python, or Go, andFrontend with React and TypeScript.

You will work on API design (REST, GraphQL, gRPC), data strategies across SQL/NoSQL, and strongest engineering practices including TDD, code reviews, and living documentation,

Qualifications

• Experience: 9+ years of professional software development in a full stack context.
• Polyglot mindset: strong proficiency in at least two backend ecosystems (Python, Node.js/TypeScript, or Golang).
• Frontend mastery: deep experience with React and TypeScript.
• Architectural depth: microservices, event-driven design, concurrency patterns.
• DevOps & containerization: Docker and cloud infrastructure mindset.
• CI/CD: experience designing or optimizing automated delivery pipelines.
• Software craftsmanship: clean code, SOLID, DRY, collaborative mindset.
• Consulting mindset: comfortable with diverse clients and stakeholders.

Responsibilities

• Architect & Build: design and maintain full stack apps using ts/js, Node.js, Python, or Go.
• Frontend Craftsmanship: build responsive UI with React and TypeScript.
• API Excellence: design clean REST/GraphQL/gRPC contracts.
• Data Strategy: data access across SQL and NoSQL.
• Engineering Standards: emphasize TDD, code reviews, living documentation.
• Cloud & Automation: CI/CD pipelines and deployments with Docker and Kubernetes.
• Leadership: participate in architectural discussions and mentor junior engineers.

Job description

Zenika is a consultancy that blends high-performance backend systems with modern frontend development. As a consultant, you will design and build robust, scalable full-stack applications, collaborating closely with client teams using frameworks like ts/js, Node.js, Python, or Go, andFrontend with React and TypeScript.

You will work on API design (REST, GraphQL, gRPC), data strategies across SQL/NoSQL, and strongest engineering practices including TDD, code reviews, and living documentation,