Sergey Demidenko

Available to hire

Senior Software Engineer with 20+ years of experience designing and scaling SaaS platforms, from greenfield prototypes to production systems serving tens of thousands of users.

About

Senior Software Engineer with 20+ years of experience designing and scaling SaaS platforms, from greenfield prototypes to production systems serving tens of thousands of users.

Proven ability to lead technical projects end-to-end—shaping architecture, mentoring engineers, and delivering reusable, scalable components. I’ve founded and led teams, built platforms from the ground up, and driven product strategy and delivery across cloud-native infrastructures.

  • 10 years' experience
  • Joined September 2025

Industry experience

  • Software & Internet
  • Professional Services
  • Telecommunications
  • Travel & Hospitality
  • Computers & Electronics
  • Media & Entertainment

Work experience· 8 roles

Co-Founder & Senior Software Engineer & Tech Lead · GrassEqual / Party Labz (Remote)Jun 2023 – Present · 3 yrs 6 mos

Led technical strategy and product development for a technology startup focused on event management solutions.

Co-Founder & Senior Software Engineer & Tech Lead · GrassEqual / Party LabzJun 2023 – Present · 3 yrs 6 mos

Led technical strategy and product development for a remote startup focused on event management solutions. Architected and built Party Labz from the ground up—a full event management SaaS with AI integrations, payments processing, and cloud infrastructure (Azure). Designed scalable components and patterns to support white-label deployments and corporate event management. Mentored engineers and delivered end-to-end features.

Senior Full-Stack Software Engineer · HyperGiant (Consulting) RemoteFeb 2021 – Sep 2025 · 4 yrs 8 mos

Developed and delivered full-stack solutions for a diverse range of clients, from startups to Fortune 500 companies.

Senior Full-Stack Software Engineer · HyperGiant (Consulting)Feb 2021 – Sep 2025 · 4 yrs 8 mos
Tech Lead · My Digital OfficeFeb 2021 – Present · 5 yrs 10 mos
Senior Full-Stack Software Engineer · Shaw CommunicationsFeb 2019 – Sep 2025 · 6 yrs 8 mos
Full-Stack Developer · Shaw CommunicationsFeb 2019 – Sep 2025 · 6 yrs 8 mos
Software Engineer / Team Lead · Various (Early Career & International Experience)Dec 2015 – Sep 2025 · 9 yrs 10 mos

Education

Master's in Telecommunications Systems Engineering · Belarusian University of Informatics and Radio Electronics2030 – 2025
Bachelor's in Telecommunications Systems Engineering · Belarusian University of Informatics and Radio Electronics2030 – 2025
Master’s & Bachelor’s in Telecommunications Systems Engineering · Belarusian State University of Informatics and Radioelectronics2030 – 2025

Certifications and awards

Google Cloud Professional Cloud Architect2020 – 2025
Google Cloud Certified - Professional Cloud Architect2020 – 2025
Google Cloud Certified - Professional Cloud Architect2020 – 2025

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