Available for work

Senior AI / Python Engineer · Backend · Solution Architect

Hi, I'm Alexander Polyakov. I build AI infrastructure and LLM-powered systems

10+ years of highload backend architecture and 5+ years building AI infrastructure: LLM agents, RAG, MCP, Skills and evaluation pipelines. The tools are used by 100+ developers across the company. End-to-end ownership from prototype to production.

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Location: Georgia / Remote / Anywhere Experience: 10+ yrs backend · 5+ yrs AI Languages: Russian / English
About

AI / Python Engineer with 10+ years of backend architecture experience (highload, distributed systems, Kubernetes). For the last ~3 years I've been building AI infrastructure: LLM agents, RAG systems, MCP, Skills and evaluation pipelines. The tools are used by 100+ developers across the company.

I've launched products from scratch and led teams. Specialization: agentic workflows, retrieval-augmented generation, hallucination control, and end-to-end ownership. Core stack: Python, FastAPI, LLM APIs (OpenAI / Claude / Gemini), vector search, Kubernetes, PostgreSQL.

Experience Selected roles

DFuture - AI / Backend Engineer

Nov 2023 - Present

USA, VA · outstaff. Building AI infrastructure and developer tooling at scale.

  • Built 10+ AI tools and plugins for Claude Code / Codex / Cursor / OpenCode. Adopted by 100+ developers, they cut routine cycles by ~30%.
  • Designed & shipped 5+ RAG systems and MCP Skills with retrieval pipelines and embeddings-based search over 10,000+ documents.
  • Implemented evaluation pipelines to measure RAG quality. Reduced hallucinations by ~30% (faithfulness / retrieval accuracy).
  • Engineered Spec-Driven Development and ADLC/SDLC flows as multi-step agentic orchestration (supervisor / handoff). Sped up onboarding 2×.
  • Authored 20+ ADRs, manuals and articles; trained 50+ employees in AI development practices.
  • Python
  • FastAPI
  • OpenAI / Claude / Gemini
  • RAG
  • MCP
  • Embeddings
  • Vector search
  • Prompt engineering

AbsolutTech LLC - Lead Developer / Solution Architect

Nov 2021 - Nov 2022

Moscow, Absolut Insurance Group.

  • Launched an insurance anti-fraud product from scratch in ~6 months: requirements, architecture and production rollout.
  • Architected the evolution from MVP monolith → Docker → CI/CD → extraction of 5+ critical microservices → Kubernetes.
  • Led & hired a team of 6 (2 backend, 2 fullstack, QA, DevOps): 30+ interviews, onboarding, Kanban, cross-review.
  • Python
  • AI / ML
  • Keras
  • PostgreSQL
  • Kubernetes
  • Docker
  • RabbitMQ
  • Ruby on Rails
  • Vue.js

Balance-Platform LLC - Senior Developer

Jan 2020 - Nov 2021

Moscow.

  • Built a highload distributed credit application scoring system with integrations to 5+ banks.
  • Optimized messaging via RabbitMQ and reduced processing latency by ~25%; developed a statistics service in Elixir.
  • Ruby
  • Elixir
  • PostgreSQL
  • Kubernetes
  • RabbitMQ
  • Elasticsearch

Earlier: Global Search (insurance aggregator), Go-promo / Neuron digital (highload media services, Go/Ruby), PolexGroup. Full history in the PDF CV.

Skills & stack Concise & relevant

AI / LLM

RAG LLM agents MCP Evaluation / hallucination control Embeddings Vector search Prompt engineering Function calling / tool use Structured output Agentic orchestration OpenAI / Claude / Gemini LangChain / LangGraph pgvector

Backend

Python FastAPI Ruby on Rails Go / Golang Node.js JavaScript / TypeScript GraphQL

Data / Infra

PostgreSQL Elasticsearch ClickHouse MongoDB Redis RabbitMQ Kafka

DevOps & Other

Kubernetes Docker CI/CD Linux Architecture / highload Team leadership Business analysis
Education

Synergy University, Moscow - Information Systems and Technologies.

Development, maintenance and security of information systems.

Contact Open to AI / Python roles

Open to Senior AI / Python Engineer, Backend and Lead / Solution Architect roles, full-time or consulting. I prefer fast syncs, clear goals and end-to-end ownership.

backstabe@gmail.com Back to top