Stefan Tatu
Software Engineer @Senapt
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WORK HISTORY
Software Engineer @Senapt
Developed scalable back-end systems in Core Java using Helidon, NATS, and Docker, delivering low-latency, event-driven services for residential energy customers with real-time data capabilities. Engineered the back-end infrastructure for a commercial customer broker portal, enabling companies to request energy quotes, perform company checks, accept offers, and manage contract workflows (upload, download, signing). Designed and deployed a serverless virus-scanning module via AWS Lambda, enhancing document security for contract handling in the portal. Integrated MinIO as a document storage solution, ensuring secure, scalable, and reliable file handling for contracts and related documents. Set up and optimised GitHub Actions pipelines for CI/CD, with automated testing, image builds, and multi-environment deployments. Implemented monitoring and alerting using Grafana, OpenSearch, and Slack notifications, improving observability and incident response. Followed Test-Driven Development (TDD) practices, writing robust unit and integration tests to ensure feature reliability and maintainability.Containerised services for local and system integration testing using Docker, streamlining development and QA workflows.
EDUCATION
Liceul Teoretic "Ovidius"
Mathematics and Computer Science, bilingual English
The University of Manchester
BSc (Hons), Computer Science with Industrial Experience
ABOUT STEFAN TATU
Dedicated and motivated Software Engineer, with a degree in Computer Science with…
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