Cybergizer

Cybergizer is a software development agency founded in 2016, headquartered in Vilnius, Lithuania. The company positions itself as a long-term technology partner for CPOs and CTOs, focusing on the "hard part" of software evolution—stepping into existing complex ecosystems to eliminate technical chaos and integrate cutting-edge intelligence. With a team of 50 to 99 employees, the agency serves startups, small businesses, and medium businesses across multiple industries.

The agency's core offerings include legacy modernization for Ruby on Rails and React projects, as well as strategic AI and LLM integration into existing tech stacks. Cybergizer emphasizes business-first engineering, ensuring every refactor or AI integration serves the client's MRR and ROI goals. The agency also provides mobile app development using React Native, web development, and managed services.

Cybergizer's areas of expertise cover AI consulting, machine learning, Amazon application platforms, custom frameworks (React.JS, Ruby on Rails), backend and frontend development, and software development expertise including SaaS development, software consulting, software maintenance, and startups software development. The agency serves industries such as retail, media & communications, eCommerce, wellness & fitness, restaurants, and health care.

The agency's portfolio includes projects for clients like Ezspeak, Teezly, Savings United, Arena, ClearPathGPS, HelpTheMove, Spaceti, and Knovigator, with project budgets typically ranging from $20,000 to $100,000 and durations of 5 to 9 months. Cybergizer has also been featured in press mentions, including an article on self-hosted LLMs.

Cybergizer's founder and CEO, Sergey Sergyenko, has over 20 years of experience in IT, starting as a software engineer and later focusing on digital transformation, data science, and AI. The agency maintains a strong online presence with active social media profiles on Facebook, X, LinkedIn, and Instagram.