Position: Tech Lead / Software Architect / Principal Engineer
Category: Lead
English level: upper
Years of experience: 11

"Vitalii is a dedicated professional with a great skillset and, very important as well, a nice person. It has been a pleasure to work together." – Rigtmar Brandenburg (CEO & shareholder, Baja Bikes)

"Vitalii is a very professional PHP developer with whom I worked side by side for more than 2 years. He has a strong knowledge of development and architecture. I can recommend him for very strong projects because I'm sure he loves it." – Yevhenii Sokolov (Product Owner, Tonic Health)

"I had been working with Vitalii for almost two years. Vitalii is an experienced and skilled engineer. He always tries to find the best possible solution for any problem that arises. He is glad to share his knowledge and experience with the team. Also, Vitalii is a strong leader. He is able to drive the development process and take responsibility for the result. I recommend him without reservation. I am confident that he will significantly strengthen any team." - Vladimir Melko (Senior PHP Developer, Tonic Health)

"I was working with Vitalii for a year on a Payment project where he held a rank of Tech Lead. Vitalii has an outstanding technical vision of the product and proposed and implemented flexible solutions for the architecture of the Payment system. In the majority, it's his merit that the Payment project from "startup" was grown to a high-grade product. Also, he is a good team player, meticulous reviewer and his tasks contain a minimum amount of bugs." – Yaroslav Mindolin (QA Engineer, Tonic Health)
- 15+ years of total experience in software development
- 10+ years of professional experience as a software engineer
- 5+ years of professional experience as a software architect
- strong backend developer with a wide range of skills
- a result-oriented person with moderate career ambitions
- a responsible leader who cares about personalities

Deep knowledge of PHP 5/7 and SQL, object-oriented and functional programming, web application security and performance, clean code and layered architecture, defensive programming, TDD/BDD/DDD, CI/CD pipelines. Experience with/in:
- FinTech, EdTech, cybersecurity, healthcare, and gaming domains
- various PHP frameworks and libraries (Symfony, Laravel, Zend, Magento, etc.)
- various database engines (MySQL, PostgreSQL, MongoDB, Redis, Neo4j, etc.)
- various message queues (RabbitMQ, ActiveMQ, ZeroMQ, Amazon SQS, etc.)
- event-based systems (Apache Kafka)
- search engines (ElasticSearch, Solr)
- frontend development (Vue.js, TypeScript, Webpack, Bootstrap)
- highload web projects development (100k+ unique users per day / 20ms response time)
- e-commerce projects development (billing and payment systems)
- game development (server-side)
- building HIPAA and PCI DSS compliant web applications
- complex business solutions design with DDD, CQRS, and Event Sourcing
- other languages (C#, Python, Go, etc.)

Specialties: brainstorming, mentoring, clean code and layered architecture, CI/CD, technical review for candidates
Technically skilled and experienced IT professional looking for a rewarding and challenging position where my skills and knowledge will be useful for society and will have the opportunity to grow. Also, I would like to apply my experience in decision-making and knowledge-sharing processes.