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Software Engineer who builds and ships production AI and full-stack systems end to end. I design and maintain a live fintech platform — payments, Greek tax-authority e-invoicing, automated data collectors and an in-house AI assistant — across backend (Python, Django, FastAPI, Celery), frontend (Next.js, React) and cloud (Heroku, AWS). Hands-on with the modern LLM stack: tool calling, Retrieval-Augmented Generation, embeddings and vector search. Open to AI/LLM, full-stack or backend roles building real products.…Software Engineer who builds and ships production AI and full-stack systems end to end. I design and maintain a live fintech platform — payments, Greek tax-authority e-invoicing, automated data collectors and an in-house AI assistant — across backend (Python, Django, FastAPI, Celery), frontend (Next.js, React) and cloud (Heroku, AWS). Hands-on with the modern LLM stack: tool calling, Retrieval-Augmented Generation, embeddings and vector search. Open to AI/LLM, full-stack or backend roles building real products.

Konstantinos Zagovas

Full Stack Developer, Back-End Developer, Web Developer, +2

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Software Engineer who builds and ships production AI and full-stack systems end to end. I design and maintain a live fintech platform — payments, Greek tax-authority e-invoicing, automated data collectors and an in-house AI assistant — across backend (Python, Django, FastAPI, Celery), frontend (Next.js, React) and cloud (Heroku, AWS). Hands-on with the modern LLM stack: tool calling, Retrieval-Augmented Generation, embeddings and vector search. Open to AI/LLM, full-stack or backend roles building real products.…Software Engineer who builds and ships production AI and full-stack systems end to end. I design and maintain a live fintech platform — payments, Greek tax-authority e-invoicing, automated data collectors and an in-house AI assistant — across backend (Python, Django, FastAPI, Celery), frontend (Next.js, React) and cloud (Heroku, AWS). Hands-on with the modern LLM stack: tool calling, Retrieval-Augmented Generation, embeddings and vector search. Open to AI/LLM, full-stack or backend roles building real products.

Available to hire

Greece

Software Engineer who builds and ships production AI and full-stack systems end to end.

I design and maintain a live fintech platform — payments, Greek tax-authority e-invoicing, automated data collectors and an in-house AI assistant — across backend (Python, Django, FastAPI, Celery), frontend (Next.js, React) and cloud (Heroku, AWS). Hands-on with the modern LLM stack: tool calling, Retrieval-Augmented Generation, embeddings and vector search. Open to AI/LLM, full-stack or backend roles building real products.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Greek, Modern

Fluent

English

Advanced

Work Experience

AI Software & Systems Operations Engineer at Freelance

March 1, 2026 - Present

Led end-to-end feature ownership for MyAFS, a production fintech platform, spanning Django/Celery/FastAPI backend, Next.js frontend, and deployment on Heroku/AWS. Designed Norman, an in-house AI assistant combining LLM tool calling for structured queries with Retrieval-Augmented Generation over Pinecone for unstructured company knowledge. Integrated payments and messaging via Stripe, Viva, and Twilio, plus myDATA (ΑΑΔΕ) e-invoicing API. Automated operational workflows with Python and Selenium collectors; scheduled Celery tasks to reduce manual workload. Delivered full client websites end to end (Next.js, Sanity CMS, Tailwind, Vercel) including design, deployment, and CMS handover.

Software Engineer Trainee at Vodafone Panafon SA

February 1, 2026 - May 1, 2026

Worked on enterprise-scale Order Management & Provisioning systems in a live telecom production environment. Hands-on with Oracle OSM, Toad for Oracle, SoapUI; supported wholesale provisioning platforms (wNGA / Fiber2all). Contributed to high-availability operations and incident-management workflows at one of Greece's largest telecoms.

Restaurant Manager at Meropi Restaurant

May 1, 2020 - December 1, 2025

Led a team of 10+ serving 100+ customers daily; built simple inventory automation that cut resource waste by ~15%. Owned recruiting, onboarding, supplier relations and real-time logistics with 99% service continuity.