Resume

Grigoriy Zaitsev

AI Security & Backend Engineer

I work on the security of ML systems and write backend in Go and Python. At Sdaete I handled payments and security and at Match I worked on user flows for a Telegram Mini App.

Telegram: @zkprooff · GitHub: suspectuso · dev@suspectus.ru

English B2 · Chinese HSK 3 · Russian (native)

Experience and selected projects

Sdaete

Fullstack development and AppSec · March – June 2026

Worked on booking, T-Bank two-stage payment and the deposit. Checked the path from a listing to payment and the start of a rental, access rights and data protection. The product audit closed 43 findings.

Match

Fullstack developer · February – April 2026

Worked on the profile, swipes, the mega-like and the learning section. Worked on referrals and anti-fraud, adapted the web part to different screens and prepared releases.

Sirius Argus

Architecture contribution to a team MLSecOps project · June 2026

In a team MLSecOps project I proposed a single release point for models, Zero Trust and access control. I helped analyse threats and prepare the presentation. The project was defended in the Sirius × Alfa-Bank programme.

TonCalls

Author and developer

Built an aggregator of TON contracts: Telegram posts became cards with a chart and source.

At its peak it had 900 subscribers through word of mouth. Later I sold the project.

guap-alice

Author, backend developer · September 2026

Built a Yandex Alice skill for the SUAI timetable. It keeps the group and conversation context, works out upper and lower weeks, and uses a cache when the source is unavailable.

Kraud · Migration engineer · June – September 2025. Migrating workstations from Windows to Linux, configuring the OS and connecting to the domain.

What I work with

  • Backend: Go, Python, FastAPI, NestJS.
  • Web and data: TypeScript, Next.js, PostgreSQL, Redis.
  • Security: OWASP ASVS, access control checks, HMAC, personal data protection.
  • ML security: PyTorch, ART, MLflow, MITRE ATLAS, OWASP ML Top 10, NIST AI RMF.
  • Operations: Linux, Docker, Nginx; monitoring with Prometheus and Grafana.

Education

  • SUAI (GUAP): BSc in Information Security. 2024 – 2028, in progress.
  • Sirius × Alfa-Bank: professional programme “AI Technology Security: from development to operation”, MLSecOps. 25 May – 6 June 2026.
  • College of Physical Culture and Sports, Economics and Technology, Saint Petersburg State University: diploma with honours.

Key achievements

Took part in AlfaCTF, CapyCTF and TON Winter Mini Hackathon; helped organise SUAI CTF at the university.

Contacts