Maintained and developed the Elixir backend REST API for a cryptocurrency bookkeeping app, taking over after the lead developer's departure and ensuring the continuity of core functionalities.

Solely responsible for backend maintenance and new feature implementation, driving the project forward by addressing both existing gaps and new development needs.

Established comprehensive test coverage, as the project previously lacked proper testing, ensuring stability and reliability of the codebase moving forward.

Built and maintained backend infrastructure, automating deployments across feature, staging, and production branches to streamline development and release processes.

Implemented deployment automation using DigitalOcean droplets, clusters, and Docker, ensuring efficient and scalable infrastructure management.

Integrated a changelog management library inspired by Rust, which automated version control for the backend by creating detailed changelogs that tracked what was in development versus the master branch, ensuring transparency and efficient management of code history.

Developed and integrated advanced AI dubbing technology into Wois’s main platform, enabling seamless dubbing of long-form video content in 28 languages with perfect sync. This innovation significantly improved user engagement and content accessibility for both business clients and individual users.

Led the deployment of HLS formats and integrated dubbed audio tracks and subtitles, enriching the platform’s multimedia experience.

Designed and implemented a robust microservices architecture with GraphQL APIs, leveraging test-driven development.

Developed and maintained Rebait.io, a specialized accounting software for managing cryptocurrency and real estate investments, utilizing the Phoenix Framework and Elixir with LiveView.

Implemented an automated bank reconciliation feature by integrating European bank APIs, streamlining financial transaction matching and reducing manual effort.

Engineered a dynamic module that automatically revalues balance sheets and profit and loss statements as cryptocurrency rates fluctuate, ensuring accurate and up-to-date accounting records.