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Thodoris Pachis
From Spain 06:47 PM (GMT+02:00)
$60/hr or $80,000/yr

Active over a week ago


Member since Jul 2026

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Lead Backend Engineer | AI Platforms

Software Engineer
Available for hire
Years of experience
5+ years
Experience level
Lead
Available for
Full-time, Contract
Available from
11 Nov 2026
Download Resume / CV

Backend lead with five years building production platforms across government, cybersecurity and fintech — all of it remote.

Right now I lead backend on an AI workflow platform for a cybersecurity organisation: nineteen domain modules with boundaries enforced in the build, and an MCP tool surface that lets specialist agents act with the end user's own permissions rather than a service account. Before that I owned the cloud and edge architecture for HACCPY, a food-safety platform that runs computer vision on live kitchen cameras and turns them into real-time alerts. And I was the largest single contributor to Baraka — Uzbekistan's national citizen-services platform, where 1M+ citizens receive social benefits on Visa cards, retrieve government documents, pay utilities and transfer money.

What I'm good at: multi-tenant architecture, agentic AI orchestration, and systems where being correct — and being able to prove you were correct afterwards — matters more than shipping fast. I like owning a domain end to end, from the data model to the thing that has to keep running at 3am.

What I'm looking for: a remote-first team with real shared ownership, where I lead backend architecture on a product with actual users. Java and Spring are home, but I care more about the problem than the stack.

Based in Barcelona, working on CET. Greek and English.

Employment History

Lead Backend Engineer at Datawise Data Engineering LLC Current 2023 - Now
Backend lead across multi-tenant platforms in cybersecurity, food safety and government services. I own architectural decisions and the engineering conventions teams build to, run production hardening, and act as technical point of contact for integration partners. Selected work: - CPX AI Hub — backend lead, team of 5. AI workflow automation for an enterprise cybersecurity organisation, built on Evolvable AI. Modular monolith across nineteen domains with boundaries enforced by an architecture test suite; asynchronous agent pipeline over scoped MCP tools with per-user authorisation; compliance-grade Word, Excel and PowerPoint deliverables from a schema-driven document engine. - HACCPY — backend lead, team of 3. Multi-tenant cloud and edge architecture for a computer-vision food-safety platform. Schema-per-tenant isolation, a deployable Java edge agent running on-device ONNX inference with store-and-forward buffering, and detection rules extracted into a shared library so rules change without a redeploy to site. - Baraka Social Tech — primary backend contributor. Uzbekistan's national citizen-services platform. Owned identity and onboarding, the card lifecycle and the payments surface, and led the migration of card issuing to the partner banks' core banking system on a live national platform.
Software Engineer at Ernst & Young 2022 - 2023
Part of an international insurance engineering team — feature development and production incident response on a core insurance platform serving insurers across multiple lines of business.
Full Stack Developer at ILYDA S.A. 2021 - 2022
Developed CRM and ERP systems for medical institutions and universities across Greece.

Education

BSc, Computer Science at University of Piraeus 2016 - 2026