Sergey Demidenko

Led engineering for a mission-critical hospitality analytics SaaS, managing a globally distributed team of 6 engineers across 12-hour time zones; designed and implemented AWS-based serverless and microservices architecture (Lambda, RDS, ECS/Fargate, S3); improved system reliability and deliverables; implemented CI/CD and AI-powered chatbots; delivered 5 major product features from concept to production.

Leading technical strategy for an event management SaaS platform serving 40,000+ active users; designed multi-tenant SaaS architecture on Azure, mentored a 3-person development team, established code review standards, CI/CD pipelines, and AI-enabled customer support bots; delivered key features including the Party Labz SaaS platform, VenueBoards MVP, ILI Dashboard MVP, Family Harmony AI Coach Bot, and Square integration.

Delivered full-stack solutions for Fortune 500 clients and startup MVPs; built MVPs for Disney and Shell; rapid prototyping to deliver functional prototypes within 6-8 week cycles; full-stack development (React frontend, Node.js backend, REST APIs, database solutions); established coding standards, documentation, CI/CD pipelines, and stakeholder collaboration, with dashboards used by 1,000+ hotel properties.