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About Fluvius

Engineers, not vibe coders.

We read and write the languages ourselves — JS/TS, Python, PHP, C++ — and can debug by hand. AI multiplies our output; it never replaces engineering judgment. Governments, banks and funded startups have trusted us with it for ten years.

10 years
Of happy clients
10,868+
Agency hours on Upwork
100%
Job Success Score
Since 2017
Same delivery discipline
What you're buying

How we keep clients for ten years.

“Every project starts with a plan, not a prompt.”
01
Senior-only delivery

No junior benches — every line ships from a senior engineer.

02
AI-assisted development

AI does the volume work; engineers keep the judgment.

03
Founder-led discovery

A founder scopes your project — and stays in your Slack.

04
Hard sectors, live

SaaS · ERP · e-commerce · banks · government — in production.

Founders
photo
Georgiy Gres
Founder & CEO — Roscommon, Ireland
OWNS  discovery · the written plan · your Slack channel

Writes the plan you get before any contract exists, and builds the AI layer himself — agents, LLM integration, RAG, n8n.

$80K+ on Upwork 29 jobs 1,303 hours 100% JSS
photo
Anton Yakushyn
Co-founder
BUILT  Hellowoofy 0→25,000+ users · real-estate ERP · real-time face tracking

Co-founded Fluvius in 2017. Architected Hellowoofy from zero to 25,000+ active users — a single build over $166K.

Top Rated $300K+ earned 44 jobs 3,632 hours 100% JSS

System design is signed off by a senior architect before development starts — on every project.

Talk to Georgiy directly → Take the 60-second quiz →
Trusted where it's hard
All cases →
Governments
Qatar Ministry of Foreign Affairs · Barbados Ministry of Health
Banks & fintech
UAE retail bank onboarding · wio.io · earn2trade · finamarksys
Startups & scale
Hellowoofy · ProfAlex · a Silicon Valley VR surgical-training startup · a SaaS for a Caltech professor
NEXT STEP
Ten years of happy clients — see what a written plan looks like on your roadmap.
Get my written plan → Take the 60-second quiz
Fluvius

A senior software engineering team that uses AI as an industrial-grade tool — advanced Claude Code workflows in experienced hands. For e-commerce, ERP and SaaS companies.

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Company
Fluvius USA Inc — Sacramento, California Led from Ireland · senior team across Europe EU hours · US-morning overlap
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