Senior Elixir Developer

Senior Elixir Developer (Freelance)
03/2025 – Present
Fino Data Services GmbH – SaaS solutions for financial data processing in Germany.

Proca by Fix the Status Quo – open-source digital action toolkit for campaigners that enables campaign actions to be embedded on your website

Modernized system by upgrading Elixir/Erlang versions, reducing onboarding time for new developers through faster environment setup

Elixir Teacher/Mentor – Introduct Group Academy
02/2024 – 02/2025
Introduct Group Academy is designed to prepare developers for YOLO Group.

Trained 25+ people in Elixir, resulting in 6 hires before course completion.
Designed a mentorship program that increased student success rate by 40% and fostered peer-to-peer learning.
Integrated microservices, Protobuf, gRPC, and Oban into the curriculum to align with the client’s technology stack and prepare students for real-world readiness.
Authored weekly technical articles bridging communication between interns and stakeholders, improving retention.
Prepared interns for technical interviews through mock sessions and targeted feedback

Senior Software Engineer – RIA.com Group
02/2024 – 02/2025
RIA.com Group – leading online marketplaces in Eastern Europe

Led migration of Autocentr Marketplace to a separate domain, improving system maintainability, which led to a 20% growth of car sales.
Integrated Creatio CRM and automated user contact widget using ChatGPT, reducing direct communication workload for sales managers by 30%.
Designed subscription system and user tracking tools that increased customer engagement by 20%.
Spearheaded documentation and implemented 90% test coverage with unit/integration tests
Rewrote the legacy Autoservice platform, improving performance by 30%.

Junior/Middle Software Engineer – RIA.com Group
03/2017 – 12/2020

Delivered a new search system for Auto Disassembly, which improved SEO ranking and increased target calls by 30%.
Developed user dashboards for tracking funds, boosting transparency and user retention