Selected case studies

Work

Product engineering case studies focused on decisions, constraints, and outcomes.

Tolstoy · Nov 2024 — Present
What Building 30+ Integrations Taught Me About AI Product Engineering
Building a connector catalogue for AI Studio meant solving product, access, testing, and operational problems—not just calling APIs.
Senior Full Stack Engineer
- AI integrations
- Full-stack engineering
- React
- TypeScript
- AWS Lambda
- DynamoDB
- PostgreSQL
Tenengroup · Jul 2022 — Feb 2024
From Better Architecture to Better Sales in E-Commerce
What began as a checkout rewrite became a full multi-brand migration: all UI to Next.js and React, and .NET Framework services to a modern .NET API.
Senior Full Stack Developer
- E-commerce architecture
- Platform migration
- Multi-brand commerce
- Next.js
- React
- SWR
- Zustand
- .NET
- AWS
- Kubernetes
- Terraform
Yandex · Jan 2017 — Mar 2019
2017, Before LLMs: The Patient Rewrite of Yandex.Disk
How a live Yandex.Disk product moved from an internal frontend framework to React 16 and Redux—without stopping feature delivery.
Interface Developer
- Frontend modernization
- SPA migration
- Incremental delivery
- React 16
- Redux
- ES6