Roman D. - CTO

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Berlin, Germany

Experience

Jan 2024 - Sep 2024

9 months

Berlin, Germany

CTO

EFS

Introduced a serverless/event-driven platform, boosting deployment frequency from 3 to 40 per month
Implemented an LLM-based fraud-detection PoC that flagged 92% of suspicious transactions
Built performance and DORA metrics dashboards adopted by the C-suite

Mar 2023 - Sep 2023

7 months

Berlin, Germany

Interim CTO

Flightright

Spearheaded monolith-to-microservices re-architecture, reducing average response time by 40% and enabling weekly releases
Productionised an LLM-driven claim-classification service that automated triage for over 100k cases, slashing manual review by 70%
Introduced DORA metrics and outcome-oriented OKRs, increasing eNPS from 42 to 63 within six months

Jan 2023 - Present

2 years 11 months

Berlin, Germany

Tech Advisor

InnTech Vision

Designed a scalable RAG architecture delivering sub-1 s answers across a 100K-document corpus
Mentored founding teams on lean delivery, hiring, and cloud cost control
Facilitated GenAI discovery workshops that uncovered three new product lines

Oct 2021 - Dec 2022

1 year 3 months

Berlin, Germany

CTPO & Co-Founder

Man-Go

Bootstrapped end-to-end product and infrastructure
Championed lean engineering

Jan 2019 - Dec 2021

3 years

Berlin, Germany

Engineering Lead

Smava

Managed 3 squads (15 engineers)
Launched React migration, "Focus Time", and mastery framework

Jan 2017 - Dec 2019

3 years

Berlin, Germany

Tech Lead

Höffner

Planned monolith-to-microservices migration
Strengthened onboarding and hiring

Jan 2006 - Dec 2017

12 years

CTO & Co-Founder

DexTecnology

Scaled team from 2 to 35
Established tech vision, strategy, and mentoring culture

Jan 2001 - Dec 2006

6 years

Software Developer

Summary

Hands-on engineering leader blending 20 years of product-centric delivery with practical GenAI adoption. I design resilient cloud architectures, embed AI into business workflows, and grow motivated teams. Believer in lean, data-driven decisions and code that tells a story.