End-to-end product lifecycle of an educational platform (including video conferencing). Established CI/CD, DevOps, monitoring, and QA processes (stability, incident review). Managed server/license costs. Eliminated bottlenecks via query tuning and refactoring. Handled security and education sector compliance.
PostgreSQLTypeScriptNode.js / FastifyWebsockets / WebRTCGitlab CI / Docker / AWSEdTech APIs (LTI, Canvas)OpenAI API
Gemotest.ru
Moscow (remote) Oct 2017 - Dec 2023
Senior fullstack web developer
Feature developing with fixed deadlines. Small feature team management. Code review. Unit tests for new features. Complex production system supporting. Integration protocol author. Frontend ecosystem architector.
Higloaded (10k hits/min) ticket service project developing and supporting. Team management using SCRUM/Kanban with design, mobile, front, back and DB team members. Backend architector with "monolith to microservices" successfull migration story.
Street payment terminal network developer. Frontend payment application based on Linux. Working with terminal money hardware. Connection-stable algorithms for payment transactions. Remote interface update system. Secure networking.
ColdFusionVanilla JS (+JQuery)MSSQLC for Unix (shared memory, unix queue, pipes)Unix shell scriptingTCP/IP networkHTTPS and secure tunnel adminstration