Boris Timofeenko

Senior SDET and QA Tech Lead. Belgrade, Serbia. Open to relocation.

CV as PDF2 pages, 337 KB

At SOLmate, a regulated fintech in South Africa with about 100k users, I lead 3 QA engineers and sign off releases. Before that I spent four years testing flight bookings at Typeable, and before QA I wrote frontend code.

My guess is that manual testing will be partly automated too, with the most routine checks going to an AI testing agent. Junior manual QA will probably disappear, and the people who stay will be the ones who can drive AI tools to keep the same quality and go faster.

In the evenings I build small tools with Claude Code; they are on the projects screen. I write the spec and test what the agent builds on real hardware and data. I could test the MiniDV capture tool only on my own camcorder.

Also on this disc

All five on the projects screen ▶

Experience

QA Tech Lead, SOLmate

Nov 2025 to now. Remote, Johannesburg, South Africa

SOLmate offers eWallets and money transfers to the underbanked and is regulated by the FSCA.

Our automation was moving slowly until management pushed us to speed up. We used AI to automate the test cases already in Kiwi TCMS, most of them inherited from the team before us. We now have about 450 end-to-end scenarios for the Flutter app and two AI agents, covering 65% of the regression plan. With the dev team we built the Flutter tests on Patrol with a Gherkin layer, and flaky tests dropped from about 20% to about 5%. A regression run now takes 4 hours instead of 2 days, and releases went from every three weeks to every week and a half.
I also test the AI support agent and the WhatsApp onboarding agent for prompt injection and data leaks. On the very first prototype of the onboarding agent, the model blocked people a month or so over 18, because a neural net doesn’t always know what today’s date is. Someone who has just turned 18 must be able to register, so I wrote a test that fails on exactly that.
Two of the engineers I lead were manual testers; in five months they moved to automation. An AI agent now checks low-risk Jira tickets, picked by a “blast radius” field, under QA supervision. It replaced about 5 to 10 manual ticket checks per release.

QA Engineer, then Senior QA Engineer, Typeable

Sep 2021 to Aug 2025. Remote, Montenegro

At Typeable I worked on B2B flight and hotel booking with Amadeus GDS and NDC carriers.

I grew automated coverage of the core booking product from about 80 to about 550 cases, in Selenium and later Playwright, and full regression went from two days of manual work to a same-day run.
New NDC carriers and the ConnexPay payment integration I tested by hand before they went live. For a new Montenegrin local-listings product I built the regression suite from scratch in Playwright and JavaScript, for a one-week release cycle.
When I was promoted to senior in 2022, I took over test automation on two products and started test code review in the team.

Research Engineer, ITMO University

Nov 2020 to Jun 2021. Saint Petersburg

My MSc thesis was on semantic segmentation of grayscale satellite images into land cover, with a U-Net in Keras and TensorFlow on the LandCover.ai dataset.

Frontend Developer, Taptima and FEIP

Oct 2018 to Jan 2021.

I wrote production JavaScript and TypeScript at two companies.

Education

MSc, Big Data and Machine Learning

2020 to 2022. ITMO University, Saint Petersburg

BSc, Applied Mathematics and Informatics

2016 to 2020. Far Eastern Federal University, Vladivostok

3rd place at the ACM ICPC quarterfinal in 2018.
A research grant at Far Eastern Federal University for variational autoencoders that generate multitrack MIDI music.
English C1, Russian native.

Skills

Test automation: Playwright (TypeScript, JavaScript), Patrol (Flutter), REST API testing, Cucumber/Gherkin, PyTest, Selenium, Appium, Postman
AI and LLM quality: Agent testing, LLM evaluation, LLM-as-a-judge, tool-call checks, prompt injection, red-teaming, PII leakage, OpenAI and Anthropic APIs
Engineering: TypeScript, JavaScript, Python, Dart, SQL, Bash; GitHub Actions, GitLab CI, Docker, Kubernetes, Firebase Test Lab, BrowserStack
Performance: k6, JMeter, Lighthouse, Grafana, Sentry, Elasticsearch, Kibana
Domains: Fintech and payments, card issuing, KYC, AML, POPIA; B2B travel, GDS, NDC