About Vitalii Honchar 👨💻
Senior Software Engineer • System Design & High-Load Specialist
My Mission & Approach 🚀
With 8 years of commercial experience in Software Engineering since 2016, I bring expertise in designing and deploying high-impact solutions in high-stakes environments, including life-saving projects like ukrainealarm.com and scaling critical infrastructure at Pinterest and Form3.
As a senior software engineer, I focus on building robust, scalable systems and solving complex technical challenges. My expertise is backed by hands-on experience in developing and scaling systems in demanding, high-stakes environments.
Key Skills & Expertise 🛠️
- Leadership & Teamwork
- Software/Database Architecture (DDD, Microservices, Monolith)
- High-Load & High-Resilience System Design
- Go, Kotlin, Java, Python, JavaScript, SQL
- DevOps (AWS, Kubernetes, Docker, Terraform, IaC)
- CI/CD (Spinnaker, GitHub Actions, Jenkins)
- Messaging (Kafka, NATS, SQS)
- Databases (Postgres, MySQL, CockroachDB, MongoDB, OrientDB)
- Observability, Code Optimization & Testing
- Frameworks (Spring Boot, Gin, React, Next.js)
Career Journey 🏗️
My consulting expertise is built upon years of hands-on engineering and leadership roles:
Senior Software Engineer @ Revolut
Feb 2025 – PresentImproved ML Ops platform to manage features for ML Models. Continuing work on ML Ops platform.
Senior Software Engineer @ Pinterest
Jan 2024 – Feb 2025Enhanced CD platform: Designed & implemented AWS multi-account support for security & observability; Optimized Spinnaker Keel (MySQL) → 4x supported applications.
Senior Software Engineer @ Form3
Feb 2023 – Jan 2024Led stability initiatives for high-load payment system: improved observability, prevented data loss & optimized processing times (CockroachDB).
Senior Software Engineer @ Cowbell Cyber
Sep 2022 – Dec 2022Improved system architecture: Introduced integration tests, performed zero-downtime DB migration (Postgres), enhancing service stability.
Senior Software Engineer / Team Lead @ Ajax Systems
May 2020 – Aug 2022UkraineAlarm: Architected & launched nationwide alert system in 72h. Led 20-engineer team for cross-platform control software. Implemented isolated AWS dev environments.
Senior Java Developer @ offerAI (startup)
Jun 2019 – Apr 2020Sole engineer at launch: Created initial architecture & shipped MVP, collaborating with CEO/CTO to generate first revenue.
Senior Java Developer @ Orienteer BAP
Oct 2016 – Apr 2020Built in-platform graphical data-model editor (OrientDB) & hot-plug-in module system for customization without server restarts.
Certifications & Learning 🎓
(Full CV available upon request)
What Colleagues Say

Ajax Systems
“Vitalii is one of the most talented programmers I've ever seen. He is smart, trustworthy, energetic, result-oriented and constantly evolving person. Vitalii quickly becomes an indispensable member of any team because of the very high level of project ownership. I would really like to work with Vitalii in future. I strongly recommend Vitalii on any challenging and interesting position in software engineering.”

Form3
“Vitalii has been in our team for around 6 months so far and he has quickly gotten up to speed with our complex platform architecture and domain knowledge. He's very independent and has been able to get to the bottom of all of our issues caused by the high load flowing through the platform. From the start, I've been able to rely on him to propose well-thought-out solutions to problems, especially with regard to wrangling the distributed nature of CockroachDB. It's a pleasure to work with him!”

Form3
“Vitalli was on a rotation in our SRE guild. Being well organised and hard working, he got up to speed really quickly and provided valuable work towards our Product SLOs. He is responsible, independent, and focused on high quality work, planning prime designs which meet not only functional requirements, but also best practices of software engineering. Moreover, he is a fast learner, always looking into ways of improving his ways of working. It was a pleasure to work with him. Highly recommended!”

Ajax Systems
“I have been working with Vitalii for 2 years. I can say with certainty that he is a valuable team member. During this time he has proven himself as a responsible and independent hard worker you can always rely on. He is able to manage tasks of various sizes and difficulties in all phases - from gathering requirements to delivery. Vitalii is a good engineer and fast learner so I have no doubts that he brings value to any project he is working on. It was a great time working with you. Wish you luck :)”

Ajax Systems
“I worked with Vitalii for a year on the same project. Vitalii was the technical leader on the team. I can say with confidence that thanks to him we were able to confidently plan and bring the project to the end. Vitalii has excellent leadership qualities, he is punctual, honest, meticulous, reliable. Has very high technical knowledge. I can safely recommend him as a great specialist.”
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Let's Discuss Your Technical Challenges
For CTOs and CEOs looking to optimize their technical infrastructure, reduce costs, or scale their systems efficiently. I offer targeted consulting services to help you achieve your business goals through technical excellence.
Schedule a Strategy Call 📞