Fractional CTO in Berlin
Expert technical leadership for Berlin startups. CTO services in CET/CEST timezone. Build, scale, and transform your product without full-time CTO costs.

Why Berlin Startups Choose Fractional CTO
Berlin has established itself as Europe's startup capital. The city is home to thousands of tech companies, from early stage to unicorns, with excellent access to venture capital, international talent, and corporate partnerships. Industries like FinTech, E-commerce, Mobility, Enterprise SaaS, and AI/ML thrive in this ecosystem.
However, Berlin's ecosystem creates unique challenges: competition for senior engineers is high, investor expectations for technical maturity are rising, and compliance with GDPR and German regulations requires expertise. Many startups find that traditional full-time CTO hiring—costing €150K-€250K+ plus equity—is impractical at early stages.
Challenges for Berlin Startups
- High competition for senior technical talent in Europe
- Need for GDPR and German regulatory compliance
- Investors expect high technical maturity
- Need for rapid scaling after funding rounds
- BaFin requirements for FinTech startups
- High competition for senior technical talent in Europe
- Need for GDPR and German regulatory compliance
- Investors expect high technical maturity
- Need for rapid scaling after funding rounds
- BaFin requirements for FinTech startups
How Fractional CTO Solves These Challenges
- Access to experienced CTO without Berlin salary premiums (€100K-€200K+ annual savings)
- Start immediately—no 3-6 month hiring process
- Scale engagement up/down as you progress through funding rounds
- Expertise in building distributed teams with remote-first focus
- Global best practices with European market understanding
What I do
- Tech stack selection for European talent market
- Launch in 3-4 months with scalable foundation
- GDPR-compliant architecture from day one
- Handle 10x growth without outages
- Manage technical debt and refactoring
- Prepare for European VC due diligence
- LLM integrations and GPT-powered solutions
- ML systems for competitive advantage
- Strategy, implementation, and MLOps
- Code quality and architecture review
- Prepare for European VC due diligence
- Risk map and recommendations
- Comprehensive technical risk assessment
- Team and product scalability analysis
- Reports for investment committees
- Navigate Berlin's international talent market
- Build hybrid teams (local + remote engineers)
- Establish engineering culture
Pricing
Packages for Berlin Startups
Contract Length:
Advisor CTO
$3,600per month
6 hours per week, 24 hours per month
For early-stage startups with an MVP or an idea that need oversight and support without full-time involvement.
- 2 strategic sessions per month (90 minutes each)
- Technical stack and architecture audit
- Slack support (48-hour response time)
- Hiring support: candidate reviews and recommendations
What's included:
- 6-month technical roadmap
- Architecture guidelines document
Outcome:A clear plan and recommendations for technology and team development without the overhead of a full-time CTO.
Contract term:1 month
Growth CTO
Most popular$6,000per month
10 hours per week, 40 hours per month
Post-Seed to Series A startups actively building product and team (3 to 10 engineers).
- Weekly call with founders (1 hour)
- Bi-weekly sprint reviews with the team
- Active hiring involvement: sourcing, interviews, offers, onboarding
- Product architecture and technical roadmap ownership
- Emergency availability for critical situations
- Slack support (24-hour response time)
What's included:
- Quarterly OKRs for the technical team
- Hiring playbook for first 5-10 engineers
- Architecture Decision Records (ADR)
Outcome:A solid technical foundation and team ready for rapid growth and product scaling without chaos.
Contract term:from 3 months
Scale CTO
$12,000per month
≈3 days per week, 80 hours per month
Series A+ startups with 15-20+ engineers preparing for the next funding round.
- Everything from Growth CTO package
- Participation in executive meetings and investor discussions
- Building engineering management team (leads, engineering managers)
- Due diligence support for fundraising
- Organizational design: team structure, processes, rituals
- Technical debt strategy and refactoring roadmap
- Vendor and partner negotiations (AWS, third-party services, contractors)
What's included:
- Engineering handbook and team culture code
- Leveling and compensation framework
- Engineering metrics dashboards (DORA, velocity, code quality, etc.)
- Incident management and on-call rotation
Outcome:A mature engineering organization with clear processes, metrics, and a culture of product ownership.
Contract term:from 6 months
How Remote Work Functions with Berlin Startups
- Working hours overlap: 2-3 hours overlap with 9:00-18:00 CET daily—sufficient for meetings and calls. Outside this window, available asynchronously via Slack and email, enabling work without downtime.
- Communication rhythm: Weekly strategic call with founders. Bi-weekly team sync. Daily communication via Slack. Emergency availability for critical issues.
- In-person visits: Quarterly visits to Berlin available for Scale CTO and higher packages. Available for board meetings and investor presentations (remote or in-person).
How it works
Week 1: Onboarding and Audit
5 daysTeam introduction, codebase review, identify critical issues, create initial roadmap.
Month 1: Quick Wins and Foundation
4 weeksAddress critical issues, set up development processes, code reviews, begin architectural improvements.
Month 2-3: Scaling and Growth
8 weeksImplement architectural improvements, optimize performance, hiring and team mentorship.
Understanding Berlin's Startup Ecosystem
- FinTech and Payments
- E-commerce and Marketplaces
- Mobility and Transportation
- Enterprise SaaS
- AI/ML and Deep Tech
- Developer Tools
- Familiar with Earlybird, Project A expectations
- Help defend technical architecture for European investors
- Experience with German and European VCs
- GDPR (General Data Protection Regulation) compliance
- German labor law
- BaFin requirements for FinTech
- SOC2 Type II for enterprise clients
Frequently asked questions
Related services
Ready to Work with a Fractional CTO in Berlin?
Start with a free 30-minute consultation. We'll discuss your goals, challenges, and determine how I can help.