OVO Energy is one of the UK’s leading retail energy suppliers, pioneering smart-home technologies. At OVO, I develop colleague-facing applications that enable on-site teams to install smart meters.

• Built and deployed backend microservices in Kotlin/Quarkus — both serverless Lambdas and long-running.
• Maintained our AWS infrastructure via Terraform — provisioning ECS clusters, API Gateway endpoints, Lambda functions, RDS databases, S3 buckets, Cognito authentication.
• Built automated data pipelines to stream service events into BigQuery for reporting.
• Maintained our monitoring in Grafana self-hosted service.
• Contributed to the client-side web app using React and TypeScript and the Android mobile app using Flutter.

• Contributed to core microservices built with Kotlin/Quarkus and PostgreSQL.
• Built HTTP to SOAP adapter layer, enabling seamless integration with legacy SOAP web services.
• Built CI/CD pipelines for frontend and backend applications using CircleCI and GitHub Actions.

Full-time, immersive bootcamp focused on programming fundamentals and web application development using Java and Spring.

• Completed practical coursework in Object-Oriented Programming, Data Structures & Algorithms, and Relational Databases.
• Developed a fullstack web application using Java, Spring, MariaDB, HTML, CSS, and JavaScript.
• Collaborated in pairs on web projects and as part of a six-member team for the core coursework.

Design and production of personalized gifts using laser cutting machines. B2C E-Commerce store.

• Performed cost analysis to determine business strategy which resulted in over 2,500 unit sales per year.
• Designed the main product, brand identity, and graphic design.

Simple, account-free web app for playing chess. Built using SvelteKit for the web app and a custom chess engine for the backend in Kotlin. You can explore the code here github.com/yordan-g/yochess-ui