Vladimir S.
Production AI Engineer | RAG, LLM Agents, Python
I build production AI systems: LLM applications, RAG platforms and AI agents that keep working after the demo. 10+ years in software engineering, Expert-Vetted on Upwork, and personally involved from the first call to release. Most teams come to me with one of three things: an AI feature for an existing product, an LLM prototype that has to survive real users, or a manual process they want an agent to take over. The difficult work is rarely choosing a model. It is designing the system around it: company data, context engineering, integrations, evaluation, monitoring, latency, cost control, security and predictable behaviour. What I build: ✅ AI agents and workflows: tool use, MCP integrations, memory and context management, human approval gates ✅ RAG and internal knowledge systems: hybrid retrieval, pgvector/Qdrant, reranking, evaluation ✅ LLM applications on OpenAI, Claude and self-hosted models ✅ Real-time voice agents: speech-to-text (ASR) and text-to-speech (TTS) ✅ Computer vision and machine learning for production environments ✅ Production backend: Python, FastAPI, Docker, APIs, AWS/Azure How I keep it reliable: observability, evals, regression testing and audit trails, so you know what the system does and what it costs before your users find out. Recent work: ✅ RAG troubleshooting system for a UK manufacturer, funded by Innovate UK ✅ Production AI and computer vision for electronics manufacturing ✅ AI investment-research platform ✅ LLM compliance automation for AdTech ✅ AI-assisted music-therapy product used in dementia and autism care Still deciding where AI fits? I also work as a fractional AI lead: mapping workflows, prioritising use cases, technical due diligence, build-vs-buy decisions, and testing the direction before a team commits serious budget. I'm the founder of Go Wombat, an AI engineering company, and I run AI Talks Valencia, the largest local AI community in Valencia. Send me a short note on what you're building and where it's stuck. I'll reply with how I'd approach it.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $60k
Billed in all: $608,139$608k
$12k in the last 6 months
Across 83 contracts
Earnings, last 30 days
Skill rankings: Top 0.60% in FastAPI
Top 1% in 6 of 15 skills, ranked by MRR among everyone on Upwork with the skill.
- #5Model Context Protocol (MCP)413 freelancers · 🇺🇦 #1Top 1%🇺🇦#1 of 17
- #17Computer Vision2,498 freelancers · 🇺🇦 #3Top 0.68%🇺🇦#3 of 119
- #26FastAPI4,337 freelancers · 🇺🇦 #3Top 0.60%🇺🇦#3 of 188
- #29AI Implementation2,382 freelancers · 🇺🇦 #6Top 1%🇺🇦#6 of 104
- #35AI Consulting2,321 freelancers · 🇺🇦 #3Top 2%🇺🇦#3 of 53
- #41Large Language Model2,726 freelancers · 🇺🇦 #3Top 2%🇺🇦#3 of 71
- #45Retrieval Augmented Generation3,618 freelancers · 🇺🇦 #2Top 1%🇺🇦#2 of 93
- #58Claude5,112 freelancers · 🇺🇦 #4Top 1%🇺🇦#4 of 185