Fabian Wesner

CTO

Berlin, Berlin, Germany14 yrs 4 mos experience

AI Enabled

Key Highlights

Over 15 years of experience in technology leadership.
Expert in AI-driven development and Clean Code principles.
Proven track record in building high-performance IT teams.

Stackforce AI infers this person is a SaaS and E-Commerce technology leader with a strong focus on AI integration.

Contact

Skills

Core Skills

Technology LeadershipAi DevelopmentEntrepreneurshipCustomer SuccessProject ManagementSaas DevelopmentE-commerceTeam DevelopmentOperational Management

Other Skills

AI CodingCoachingStrategy DevelopmentAI Concept StructuringStartup DevelopmentCustomer Success ManagementPartner Enablement3rd Party IntegrationsReact ComponentsE-Commerce TechnologyTeam TrainingE-Commerce Platform DevelopmentArchitecture SpecificationOperational SupportAgile Processes

About

I am a hands-on CTO with more than 15 years of experience. Specialized in implementing large business critical applications and leading high performance IT teams. I am an evangelist for Clean Code, SOLID principles and professional AI Coding.

Experience

14 yrs 4 mos

Total Experience

2 yrs 9 mos

Average Tenure

7 mos

Current Experience

Self-employed

Agentic Engineering Trainer for SMEs and Enterprises

Nov 2025 – Present · 5 mos

If your engineering team isn’t getting real traction from AI tools like Claude Code or Codex, I can help.
I keep seeing the same pattern: CTOs introduce AI tooling, teams play around a bit, fall back to old habits, and productivity barely moves. After writing about the root causes for months, I’m now offering a concrete solution.
What I offer
(1) Hands-on AI Coding Day
A full day of practical AI development: sub-agents, context management, AI-driven brainstorming, documentation workflows, MCPs, and more. We build a real mini-app together so your team immediately feels the impact.
(2) Individual coaching
I pair program with each developer in their actual codebase to ensure adoption sticks. Afterwards, I stay available in Slack or Teams to support real-world use and help new habits take root.
(3) Strategy session for tech leadership
A focused session with your CTO and leads to define AI-ready workflows, decision-making, responsibilities, and culture. If needed, we identify organisational bottlenecks and align the structure for long-term productivity.
If you want your organisation to truly benefit from AI-driven development, let’s talk.

AI CodingCoachingStrategy DevelopmentTechnology LeadershipAI Development

Venturetango

Founder

Sep 2025 – Present · 7 mos · Berlin · Remote

VentureTango helps founders turn scattered AI brainstorms into structured startup concepts. Instead of endless chats, it organizes ideas into a clear canvas with customers, strengths, problems, solutions, competitors, and market size, making them easy to compare, refine, and share.

AI Concept StructuringStartup DevelopmentEntrepreneurshipAI Development

Scayle commerce engine

Managing Director Customer Success

Feb 2025 – Aug 2025 · 6 mos · Hamburg / Berlin · Hybrid

As Scayle's MD I am responsible for the entire customer journey when a project starts. That includes partner Enablement, 3rd party integrations, professional services and key account management.

Customer Success ManagementPartner Enablement3rd Party IntegrationsCustomer SuccessProject Management

Roq technology

CTO & Co-Founder

Aug 2020 – Dec 2024 · 4 yrs 4 mos · Berlin, Deutschland

I co-founded ROQ in 2020 with the goal of accelerating SaaS development by offering essential building blocks as modular React components, like user management, chat, file handling, and roles & permissions.

SaaS DevelopmentReact ComponentsTechnology Leadership

Metronom gmbh

Consultant

Jan 2019 – Feb 2020 · 1 yr 1 mo · Berlin und Umgebung, Deutschland

Metro has chosen Spryker as its e-commerce technology to replatform their shops for retailers in Russia and Romania. I temporarily joined Metro’s tech division called Metronom to strengthen this project. My mission was to build and train the internal team to replace the agency who did the initial implementation.

E-Commerce TechnologyTeam TrainingE-CommerceTeam Development

Spryker systems gmbh

CTO / Founder

Mar 2015 – Dec 2018 · 3 yrs 9 mos · Berlin

The Spryker Commerce OS is an e-commerce platform for ambitious B2C and B2B projects. As technical co-founder my job was to lead the initial core team and to specify the architecture and functionality of the software. Spryker empowers multiply international shops like Tom Tailor, Sourceability or Toyota.

E-Commerce Platform DevelopmentArchitecture SpecificationTechnology LeadershipE-Commerce

Project a ventures gmbh & co. kg

CTO

Jan 2012 – Feb 2015 · 3 yrs 1 mo

Project A is an Operational VC who does not only invest money into startups but also provides hands on support in IT, BI, HR and other areas. As Project A’s CTO my job was to rollout multiple ventures as Contorion, Tirendo or Nu3. I was responsible for the entire technology stack, recruitment of the team and establishment of agile processes. Usually my job was done when we hired and trained a permanent CTO for each venture.

Operational SupportAgile ProcessesTechnology LeadershipOperational Management

Rocket internet gmbh

2 roles

CTO

Promoted

Nov 2010 – Dec 2011 · 1 yr 1 mo

Rocket Internet is a VC and Company Builder. As Rocket’s CTO my job was to implement an e-commerce framework called “Alice&Bob” which is based on my first-hand experiences which I got at my time at Zalando. I was responsible for the technical execution of the global rollout of Zalando-like fashion shops like Dafiti, Jabong and Zalora. The underlying “Alice&Bob” e-commerce framework was also adopted by other ventures of Rocket Internet like HelloFresh and Westwing.

E-Commerce Framework ImplementationGlobal Rollout ManagementE-CommerceTechnology Leadership