Markus Kollers-Founder & Managing Director
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Experience
Founder & Managing Director
Qrafto UG (haftungsbeschränkt)
- Founding and overall responsibility: Built a B2B SaaS platform for craft and construction companies from the first line of code to live deployment with the first paying customer; solo founding including setting up the company (UG) and all commercial processes.
- Product and technology ownership: Designed and developed the entire product.
- Infrastructure & DevOps: Operated a Kubernetes/Helm environment including CI/CD, monitoring and security architecture; GDPR-compliant platform decisions and evaluation of EU-hosted LLM providers.
- Agentic coding as a productivity multiplier: Set up a productive multi-agent environment with Claude Code: up to eight agents working in parallel in isolated Git worktrees, Telegram-based remote control and monitoring, MCP integrations (e.g., Context7, Playwright for E2E tests), as well as a builder-critic pattern with custom slash commands (/research, /plan) and compressed project contexts. Result: development throughput at the level of a small team as a solo contributor.
- Go-to-market: Independently developed positioning, SEO and direct mail playbook, and target group analysis.
- Regulation & finance: Implemented e-invoicing requirements (ZUGFeRD/XRechnung), set up accounting and payment infrastructure, and managed funding and financing options.
Fractional CTO
kolula solutions UG
- Member of the leadership team: Worked closely with the CEO on all technical and organizational matters; high level of responsibility and freedom to shape direction.
- Responsible for full product and technology delivery: Led a development team of up to 12 people and ensured a scalable platform.
- Digital transformation & process automation: Implemented Personio and took full responsibility for HR processes, including payroll.
- Cost optimization & efficiency improvement: Reduced external resources and compensated by using AI-powered tools in the development process.
- Business cases & product innovation: Designed new business models and product ideas, including close collaboration with investors.
- IT & infrastructure ownership: Operated and further developed traditional IT systems, ensuring security and stability.
Software Architect
Basalt-Actien-Gesellschaft
- Established a software development department in a corporate environment: Informally led the team, set up structures and coordinated developers.
- Defined and managed development processes: Introduced KPIs, quality standards and DevOps practices to boost efficiency.
- People and organizational development: Designed role profiles, career levels and salary bands for the development organization.
- Digital process innovation: Technical design and implementation of a solution to visualize all orders in Basalt AG's plants to optimize scheduling.
Head of Development
VP Verbund Pflegehilfe GmbH
- Led the development department with a focus on building and improving processes, structures and roles.
- Established modern software and employee processes: Introduced CI/CD, role and career levels, and a unified goal and feedback process.
- Culture and mindset change: Promoted the "You build it, you run it" principle to strengthen ownership and quality.
Lecturer
Duale Hochschule Baden-Württemberg
- Lectures in the "New Concepts" module: Teaching current trends and technologies in digitalization, software architecture and innovation.
- Supervision and evaluation of bachelor theses: Mentoring young talent and guiding hands-on research projects.
- Digitalization initiatives: Developed course materials that prepare students for the challenges of modern IT, cloud and AI.
Freelance Developer, Consultant and Speaker
- Strategic conception and delivery of digital solutions: developed the Eschomat digital election helper for the 2021 municipal election in Eschborn (based on the Wahl-O-Mat).
- Digital consulting and project management: guided companies in adopting modern web and cloud technologies, including architecture decisions, product development and scaling.
- Knowledge transfer and thought leadership: regular talks at conferences and meetups on digitalization, cloud and modern software architecture.
vertical GmbH
Established and led an agile product team to develop the ITIL-based vertical desk platform for customers and partners.
Responsible for product, architecture and technology decisions with a focus on scalability, security and user-centric design.
Introduced machine learning to the company: designed initial use cases and successfully secured funding for AI innovations.
Defined and monitored development processes and KPIs to ensure quality and efficiency.
Talent development and culture building: mentored junior and mid-level developers and fostered a hands-on mentality.
Established a department for digitalization projects in the manufacturing, finance, consulting and real estate sectors, including disciplinary and technical leadership of developers and consultants.
Project management and architecture for the large-scale packex.com project, focusing on scalability and process optimization.
Introduced modern methods and disciplines: established UI/UX as a standard and launched regular tech talks for knowledge transfer and out-of-the-box thinking.
Digital process optimization by integrating Personio (HR), automating invoicing and evaluating cloud services (IaaS).
Technical leadership and architecture for the reimplementation of the main business application.
Evaluated and introduced Docker & Kubernetes as a strategic foundation for a future-proof infrastructure.
Established modern frontend technologies: introduced SPAs and PWAs with Angular as the new standard.
Mentoring and coaching developers in Angular, API design and DevOps mentality ("you build it, you run it").
Introduced modern development practices: set up CI/CD pipelines based on Azure DevOps.
Architecture & technical leadership in the redesign of the vFile file-hosting product, including logging and API concepts to improve operations and security.
Automation & standardization: introduced automated API documentation (Swagger).
Full-stack development of multiple REST APIs and modern frontend components.
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Professional Services, Government and Administration, Manufacturing, Education, and Construction.
Business Area Experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Project Management, Operations, Human Resources, and Research and Development.
Summary
Digital creator with over 10 years of experience leading and implementing transformation projects. I combine strategic thinking with pragmatic execution and have successfully built digital products, departments and processes in start-ups, medium-sized companies and corporations. My focus is on user-oriented digitization and the use of AI technologies to increase efficiency, reduce costs and enable new business models. As a bridge between executives, business units and technology, I drive innovation forward while ensuring sustainable structures and tangible results.
Skills
Programming Languages
- Typescript
- Php
- C#
- Java
- Golang
- Python
Frameworks
- Angular (2+)
- React
- Vue.Js
- .Net (Core)
- Node.Js
- Nextjs
Databases
- Microsoft Sql Server
- Mysql
- Postgres
- Redis
- Mongodb
- Elasticsearch
Architecture
- Microservices
- Message Queues
- Rest
- Websockets
- Docker
- Pwa
Methods / Mindset
- Agile / Scrum / Kanban
- Devops
- Test Automation
Tools
- Git
- Jira
Infrastructure / Cloud
Gcp
Azure
Kubernetes*
Windows Server
Linux Server
Aws
From A Developer'S Perspective, Not As An Operator Of A Production On-Premise K8s
Legend
- Used Almost Daily In (Almost) All Aspects In Multiple Jobs/Projects
- Used Almost Daily In Individual Aspects In Multiple Jobs/Projects
- Regularly Worked With In Various Jobs/Projects
- Occasionally Worked With In A Few Jobs/Projects
- Used In One Job/Project
- Evaluated
Languages
Education
WINGS - Wismar International Graduation Services GmbH
Diploma (FH) · Business Informatics · Wismar, Germany
Landesbank Hessen-Thüringen
IT Specialist, Application Development · Offenbach, Germany
Frankfurt University of Applied Sciences
Mechatronics · Frankfurt, Germany
Statistics
Experience
Global Experience
Expertise
Qualifications
Profile
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