About

Senior Software Engineer

Backend, Full-Stack & Applied AI. I have 8+ years of experience delivering SaaS, APIs and distributed systems with TypeScript, Node.js, React and Python. My work spans identity security, MCP integrations and privacy-focused retrieval.

Available for full-time roles · Spain work permit

Lev Brekhov

How I help

Built across SaaS, telecom, fintech, e-signature, and developer tools.

AI agent platforms

MCP integrations, OAuth flows, typed tool definitions, RAG and LLM product surfaces.

Identity & SaaS

Multi-tenant boundaries, RBAC, OIDC/PKCE, e-signing, billing and internationalization.

Systems architecture

BFFs, service contracts, NestJS, gRPC, domain boundaries and pragmatic migrations.

Product leadership

Technical direction, delivery teams, client discovery and shipping commercially useful software.

Recent roles

Previous experience

Earlier roles across mobile, web3, telecom, eCommerce, automation, and developer tooling.