Senior Full Stack Engineer

Job Purpose

Own the design, implementation, and delivery of production-grade full stack systems, with responsibility for code quality, service reliability, and implementation outcomes, including direct engagement with customers and technical oversight of external contributors.

Key Responsibilities

• Design, build, and maintain scalable microservice-based applications using Node.js, TypeScript, and React
• Own REST API design, authentication/authorization (JWT, OAuth2, SSO), error handling, logging, and service contracts
• Build and maintain production-ready React UIs with strong attention to performance, accessibility, and maintainability
• Design and optimise data models using PostgreSQL and MongoDB, including migrations and performance tuning
• Take end-to-end ownership of implementations, releases, and post-production stability
• Review, guide, and validate code delivered by external contractors, enforcing architectural and quality standards
• Use AI-assisted development tools (e.g., Copilot, ChatGPT, Cursor) to accelerate delivery while independently validating correctness, security, and maintainability
• Participate in architectural decisions, code reviews, and technical standards definition
• Drive root-cause analysis and resolution of production issues

Key Skills

• Expert-level Node.js, TypeScript, React
• Strong experience with microservices, API contracts, and service boundaries
• Deep understanding of HTTP, web architecture, and distributed system basics
• Proven experience with PostgreSQL or MongoDB
• Strong testing, debugging, and production support skills
• Ability to communicate clearly with engineers, product teams, and customers
• Demonstrated ownership beyond task execution

Preferred Educational Qualifications and Professional Certifications

• Bachelor's degree in Computer Science, Engineering, or equivalent practical experience

Experience

• 5–8 years of hands-on full stack development on production systems
• Proven experience working in microservice or service-oriented architectures
• Experience owning features or services from design through production
• Prior experience reviewing or guiding work from other engineers or contractors