Aleksei Sotov — Software Engineer
I’m a Tech Lead & Senior Engineer with over 10 years of experience building user-centric, data-intensive, and AI-powered products - spanning LLM systems, backend platforms, and data pipelines. Previously at Microsoft and high-growth startups, I combine a deep technical foundation with strong product intuition and leadership skills. At Martian, I built the Python SDK to support LLM routing with cost-quality tradeoffs. Led model benchmarking, optimized routing logic, and aligned product features with real-world feedback. At Microsoft, I worked on both Word Web Canvas (React/TypeScript) and Bing’s Crawler systems, driving improvements to distributed page selection services and user-facing editing experiences. Throughout my career - from scaling ETL at Yandex to boosting warehouse availability at Yandex.Market - I’ve delivered measurable impact: 🟢 +5pp stock availability → +2pp sales growth 🟢 -20% campaign costs via automated user matching 🟢 +4pp auto-replenishment with optimization algorithms I lead teams across full project lifecycles - from vague ideas to production-grade systems - turning business problems into working, observable code. Core strength: * AI/ML & LLMs: RAG pipelines, AI Agents, evaluation/benchmarking, prompt engineering * Leadership: Tech leading cross-functional teams, roadmap shaping, mentoring * Product Mindset: translate business needs into measurable engineering outcomes * Data & Scale: Spark/SQL-heavy analytics, ETL/ELT, dashboards & experimentation * Backend Development: Microservices, scalable APIs (Python/Flask, .NET), clean architecture Tech stack: * Languages: Python, C#, SQL, TypeScript, JavaScript, Go | (F#, C++ prior experience) * AI/ML: LLMs, NLP, RAG, Prompt Engineering, Pandas, NumPy, Spark * Frontend & APIs: React, Flask, FastAPI, .NET Web API, Node.js * Data & Databases: PostgreSQL, ClickHouse, T-SQL, MongoDB, Kafka * Cloud & Infra: Docker, Kubernetes, Azure (Cosmos DB, ADF), Airflow-like schedulers * Dev & Ops: Git, CI/CD (Azure DevOps, GitHub Actions), Jupyter, Tableau/Datalens, Grafana * AI Tools: Claude Code, Antigravity, n8n, notebooklm Let’s connect if you’re hiring for senior engineering or tech leadership roles in AI/LLMs, backend platforms, or data-driven product teams.
Stackforce AI infers this person is a Backend-focused AI/ML Engineer with extensive experience in data-driven product development.
Location: Belgrade, Serbia
Experience: 11 yrs 6 mos
Skills
- Artificial Intelligence (ai)
- Large Language Models (llm)
- Full-stack Development
- Data Engineering
- Leadership
- Big Data
- Back-end Web Development
- Software Development
Career Highlights
- Over 10 years of experience in AI and backend development.
- Proven track record of optimizing data pipelines and algorithms.
- Strong leadership skills with experience in cross-functional teams.
Work Experience
Zencoder
Senior Software Engineer, AI First (3 mos)
Martian
Senior Software Engineer, AI & LLM (10 mos)
Microsoft
Software Engineer II | Full-Stack (TypeScript, React) (1 yr 2 mos)
Software Engineer II, Distributed Systems (1 yr 3 mos)
Yandex.Market
Machine Learning Engineer, Data & Optimization (1 yr 6 mos)
Yandex
Software Engineer | Data Engineering & Analytics | Python, Big Data (2 yrs 5 mos)
Merkata
Software Engineer, .NET Backend (2 yrs 7 mos)
Insurance Broker
Software Engineer, CRM & Web Development (1 yr 6 mos)
Education
Master of Mathematics at Ural State University named after A.M.Gorky
Bachelor of Mathematics at Ural State University named after A.M.Gorky