Built secure authentication and authorization using JWT, including role-based access control (admin vs customer)

Modeled and queried data using MongoDB, implementing indexes, filtering, and pagination for performance

Applied clean architecture principles, separating HTTP handlers, business logic, and data access layers to improve

Wrote unit and integration tests for API handlers and services using Go’s testing framework, ensuring correctness

Debugged complex issues involving request validation, database queries, and concurrency-related edge cases in Go

Designed and implemented high-performance REST and gRPC APIs for internal and external integrations

Applied OWASP security practices and implemented OAuth2 for secure API authentication and access control

Built end-to-end and integration tests using Cucumber/Godog for Go services, automating validation of business workflows and API behavior

Automated builds, tests, and deployments using CI/CD pipelines with GitHub Actions

Deployed containerized services using Docker and Kubernetes on AWS, improving scalability and fault tolerance

Contributed to R&D documentation that resulted in £140,000 in tax credit returns

Conducted a subject study to determine the user friendly interface for car rental application

Designed and developed functionality for administrators to add, edit, delete, and view cars

Implemented a fully functional authentication and authorization system to ensure secure access to the app