Arthur Yefimov

Designed and built a high-load microservice for user access control in an iGaming platform, sized for hundreds of thousands of users. Built Go microservices, defined OpenAPI and gRPC contracts, and contributed to system architecture to meet gaming license requirements.

Created and maintained an open-source IDE and compiler with libraries, cross-platform runtime, and documentation generator. Wrote a compiler that generates machine code for Apple Silicon and built a teaching curriculum around it.

Delivered lectures and hands-on coding sessions to over 250 students on computer science concepts, algorithms, data structures, OOP, coding style, and debugging. Taught Go, C/C++, Python, and Java.

Proposed and shipped a custom data structure that made the crypto quote delivery system react ~10x faster to provider failures. Wrote a Go code generator for FIX API handlers and helped migrate backend services from MongoDB to PostgreSQL.

Worked directly with a German bank client on requirements, designed and implemented key parts of a security and access system. Contributed to open-source OpenMFP and Platform Mesh, and developed Kubernetes operators and Terraform providers in Go.

Designed and built the microservice backend for a precious metals marketplace, including a REST API for jewellery manufacturers. Managed deployment and CI/CD with Docker, Kubernetes, GitLab, Nginx, PostgreSQL, Redis, and MongoDB.

Designed and built a multiplayer game engine in Go on SDL2, including architecture, core, networking, and concurrency. Built a map editor with a resource manager and GUI trigger system, and a GTK+ desktop app for SoundCloud track management.

Developed custom WordPress plugins, integrated APIs, and maintained multiple websites using HTML/CSS and JavaScript. Collaborated with developers and clients worldwide.

Developed and managed multiple PHP-based websites using Laravel and plain PHP/JavaScript. Integrated third-party APIs, including payment services.

Pursuing a Master of Science in Computer Science, with studies from September 2024 to June 2025.

Earned a Bachelor of Engineering in Electrical and Electronics Engineering from 2012 to 2014.

Completed a Bachelor of Science in Computer Science from 2009 to 2012.