Backend & AI engineer · Barcelona

Florian Abel

Building agentic systems in production.

8+ years backend & AI engineering · ex-VP Engineering

Explore
Strengths

Python · FastAPI · Django/DRF · Pydantic · PostgreSQL · Redis · Docker · Kubernetes · AWS · GCP

Profile

Work experience

Atmio Principal Backend Engineer 2026 – present

Building an agentic runtime inside a production Django stack, alongside core backend work. Atmio helps energy providers with compliance and workflows.

Agentic systemsBackend & architecture
Bookline Senior Engineer → Lead Engineer → VP of Engineering 2023 – 2026

Joined as Senior/Architect, promoted to Lead (Software Architecture & AI), then VP of Engineering. Redesigned the conversational-AI bot framework and FastAPI backend into clean, layered architecture, migrated NoSQL → SQL, consolidated repos into a monorepo (5x faster deploys), and scaled the department from 8 to 13 engineers with hiring, review and testing standards.

Conversational AIBackend & architectureEngineering leadership
Sabbatical & freelance Independent 2022 – 2023

A year across South America — reaching fluency in Spanish and Portuguese — while freelancing: requirements engineering for a TIER Mobility supply-chain project, a custom ERP for apic.ai, and a Flutter mobile app.

Building productsWriting
CO-LEADER GmbH Co-Founder & CTO 2020 – 2022

Co-founded a leadership-development e-learning startup and grew it 0 → 10 with pre-seed funding. Built the whole product — Nuxt.js frontend, Django/DRF backend with a learning-path matching algorithm — and the cloud infra (EC2, RDS, Docker Compose). Managed 5 across product, content and diagnostics.

Building productsBackend & architectureEngineering leadership
apic.ai Python Engineer 2019 – 2020

Built a Python control suite for microservices on an embedded system; introduced clean-code standards and unit testing.

Backend & architecture

Education & background

M.Sc. Mechanical Engineering KIT · 2018

Karlsruhe Institute of Technology. The mechanical-engineering and robotics background is where the first-principles habit comes from — before the move into software.

Backend & architecture
B.Sc. Vehicle & Engine Engineering Stuttgart · 2014

University of Stuttgart, with a bachelor thesis at Hanyang University (Seoul) and a study-abroad term at the National University of Singapore.

studentec e.V. — Chairman & project leader 2014 – 2018

Led the board of 6 and a 50+ member student organization; restructured its development program into distinct leadership and technical tracks and directed industry projects generating six-figure revenues. Awarded KIT's Outstanding Student Dedication Award.

Engineering leadershipBuilding products

Languages

German (C2) · English (C2) · Spanish (C1) · Portuguese (C1) · French (B1) · Mandarin (HSK2)

Selected Writing

More on Medium. Agentic engineering series coming soon on Substack.

Projects & Products
Reading & Influences

Full shelf on Goodreads.