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Work experience

Chief technology officer

from 01.2022 to now (4 years 7 months)
Whaleapp LTD, Дистанційно (IT)

Led technology strategy and engineering development across a portfolio of high-load game products, internal platforms, analytics systems, and business-critical services.
- Standardized engineering processes, corporate technical requirements, and architectural practices across new and existing projects.
- Made key architectural decisions affecting scalability, reliability, maintainability, and product portfolio velocity.
- Applied AI tools in development, code review, analytics, marketing, and routine engineering workflows to increase team productivity.
- Built internal analytics and marketing automation that helped teams reduce manual work and react faster to project changes.
- Integrated analytics with multiple ad accounts, MMPs, and external data sources for reporting, attribution, UA, monetization, and product decisions.
- Managed engineering execution in high-load systems where reliability, observability, and fast reaction to changes were critical.
- Aligned engineering priorities with product, growth, marketing, and operations goals.

Team leader

from 06.2019 to now (7 years 2 months)
Whaleapp LTD, Київ (IT)

Built the R&D function from scratch and scaled it to approximately 20 people, supporting all key company projects.
- Built a system of reusable universal services supporting dozens of projects, including products with game mechanics.
- Led the creation of dozens of microservices across game products, internal platforms, product lines, and reusable mechanics.
- Built internal tools for control, monitoring, and operational management of company products.
- Led development of universal real-time analytics capable of processing billions of events per day.
- Built cross-service and cross-project security and authorization systems, helping normalize engineering workflows across projects.
- Developed a multi-level LiveOps distribution system flexible enough to manage user behavior according to business needs.
- Introduced ML approaches for selected product tasks to improve key metrics and decision quality.
- Established hiring, onboarding, delivery, communication, prioritization, and engineering standards in a fast-growing R&D environment.

Technical specialist

from 12.2017 to 06.2019 (1 year 7 months)
Whaleapp LTD, Київ (IT)

Designed and delivered technical solutions for product, analytics, infrastructure, and integration challenges.
- Contributed to an internal analytics system processing billions of events and designed for further scaling.
- Designed integrations with external data sources, ad accounts, MMPs, and data flows required for analytics, reporting, attribution, and decision-making.
- Contributed to an A/B testing platform and advertising network for data-driven product development.
- Worked on architecture, scaling, integrations, performance optimization, and technical problem solving.

Chief Technology Officer

from 12.2017 to 08.2020 (2 years 9 months)
Gurutraff LTD, Дистанційно (IT)

Took on the Chief Technology Officer role at Gurutraff as part of a collaboration with Whaleapp LTD.

Led technical development of a high-load advertising platform with quality scoring for mobile gaming traffic exchange.
- Developed a mobile gaming traffic exchange platform without intermediaries or hidden fees.
- Owned architecture, stability, integrations, scoring logic, and product evolution.
- Worked on scaling, performance, reliability, and transparent exchange mechanics.
- Led a complex technical area around processing, preparing, and delivering video materials for different use cases.

Architect

from 11.2016 to 12.2017 (1 year 2 months)
MohicanLab LTD, Дистанційно (IT)

Designed and implemented technical solutions for product development.
- Worked with integrations, AWS infrastructure, engineering processes, reliability, performance, and architecture improvements.
- Helped product teams solve complex technical and infrastructure challenges.

Chief Technology Officer

from 09.2014 to 10.2016 (2 years 2 months)
Isabel Garcia GMBH, Дистанційно (Легка промисловість)

Led digital transformation of the brand across production, inventory management, retail operations, and internal processes.
- Designed end-to-end integrations between production, warehouse operations, retail workflows, and accounting systems.
- Delivered full SAP CRM integration into business processes to control production, inventory, retail, and operational workflows.
- Implemented integration with Amazon Marketplace and contributed to launching an online retail service and e-commerce store.
- Automated business processes connecting product tracking, stock movement, and sales into one operational flow.
- Worked on architecture, integrations, system reliability, and scalability.

Full stack software engineer

from 08.2008 to 10.2016 (8 years 3 months)
XT-Tech, Дистанційно (IT)

Developed full-stack solutions and contributed to architecture across web and product initiatives.
Developed various projects, services, and high-load web architectures across web and product initiatives.
- Worked on products including Lady.ru and Qweeq.
- Contributed to technical design, implementation, maintenance, and platform evolution.
- Owned full technical design of solutions, from architecture and data flows to integrations, backend logic, and user scenarios.
- Actively contributed to development, technical design, performance optimization, and product infrastructure evolution.
- Worked on Lady.ru and Qweeq as examples of large-scale web and product platforms.

Took on the Chief Technology Officer role at ISABEL GARCIA as part of a cross-company collaboration.

Full stack software engineer

from 01.2003 to 12.2006 (4 years)
Narod Media Group, Дистанційно (IT)

Worked on Narod.tv, a high-load video hosting platform handling a large flow of user-generated video materials.
Developed and supported a user-content platform under heavy load.
Processed large volumes of video materials and prepared content for different platforms and formats.
Worked with full-stack development, SEO, and LAMP environment administration.

Knowledge and skills

• Разработка SaaS-проектов
• Understanding of client-server architecture
• Business Process Management
• Организованность
• Управление командой
• Управление производством
• Разработка новых видов продукции
• Антикризисное управление
• AWS
• Azure DevOps Server
• MS Azure
• SQL
• Llm agents
• ML
• HighLoad architecture
• External Integrations
• AI Tools
• Risk management
• Strategic planning
• Strategic thinking
• Software Development Life Cycle
• Development of a marketing strategy

Language proficiencies

• English — average
• Ukrainian — above average
• Bulgarian — beginner
• Hebrew — average