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 businesses from the first line of code to the live launch with the first paying customer; solo founding including full establishment of the company and all business processes.
- Product and technology responsibility: Designed and developed the entire product.
- Infrastructure & DevOps: Managed 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 parallel agents in isolated Git worktrees, Telegram-based remote control and monitoring, MCP integrations (e.g., Context7, Playwright for E2E tests), and a builder-critic pattern with custom slash commands (/research, /plan) and compressed project contexts. Result: development throughput on par with a small team while working solo.
- Go-to-market: Independently developed positioning, SEO and direct mail playbook, as well as 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 ownership and freedom to shape processes.
- Responsible for the entire 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: Developed new business models and product ideas, including close coordination with investors.
- Responsible for IT & infrastructure: Operated and enhanced traditional IT systems and ensured security and stability.
Software Architect
Basalt-Actien-Gesellschaft
- Built a software development department in a corporate environment: provided informal leadership, established structures, and coordinated developers.
- Defined and managed development processes: introduced KPIs, quality standards, and DevOps practices to increase efficiency.
- Talent and organizational development: Designed role profiles, career levels, and salary bands for the developer organization.
- Digital process innovation: Technically designed and implemented 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: taught current trends and technologies in digitalization, software architecture, and innovation.
- Supervised and evaluated bachelor theses: supported young talent and guided practical research projects.
- Digitalization insights: developed teaching materials to prepare students for the challenges of modern IT, cloud, and AI.
Freelance Developer, Consultant and Speaker
- Strategic planning and implementation of digital solutions: developed the digital voter guide Eschomat for the 2021 local election in Eschborn (modeled on 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 sharing and thought leadership: regular talks at conferences and meetups on digitalization, cloud, and modern software architecture.
vertical GmbH
Built and led an agile product team to develop the ITIL-based platform vertical desk for clients and partners.
Took ownership of product, architecture, and technology decisions with a focus on scalability, security, and user-centric design.
Introduced machine learning: designed first use cases and successfully secured funding for AI innovations.
Defined and monitored development processes and KPIs to ensure quality and efficiency.
Fostered talent and culture: mentored junior and mid-level developers and promoted a hands-on mentality.
Established a department for digital projects across manufacturing, finance, consulting, and real estate, including technical and managerial leadership of developers and consultants.
Led the packex.com major project as project manager and architect, focusing on scalability and process optimization.
Introduced modern practices and disciplines: made UI/UX a standard, started regular tech talks for knowledge transfer and "out of the box" thinking.
Digitized processes by integrating Personio (HR), automating invoicing, and evaluating cloud options (IaaS).
Technical lead and architect for the reimplementation of the main business application.
Evaluated and introduced Docker & Kubernetes as a strategic base for a future-proof infrastructure.
Adopted modern frontend technologies: implemented SPAs and PWAs with Angular as the new standard.
Mentored and coached developers in Angular, API design, and DevOps mentality ("You build it, you run it").
Introduced modern development practices: set up CI/CD pipelines with Azure DevOps.
Led architecture and technical redesign of the vFile file hosting product, including logging and API concepts to improve operations and security.
Automated and standardized: 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, divisions, and processes in startups, mid-sized companies, and corporations. My focus is on user-centered digitalization and the use of AI technologies to increase efficiency, reduce costs, and enable new business models. As a bridge builder between the board, business units, and technology, I drive innovation 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 Across Multiple Jobs/Projects
- Used Almost Daily In Certain Aspects Across Multiple Jobs/Projects
- Worked With It Regularly In Various Jobs/Projects
- Occasionally Worked With It In A Few Jobs/Projects
- Worked With It In One Job/Project
- Evaluated
Languages
Education
WINGS - Wismar International Graduation Services GmbH
Diploma (FH) · Business Informatics · Wismar, Germany
Landesbank Hessen-Thüringen
IT Specialist in Application Development · Offenbach, Germany
Frankfurt University of Applied Sciences
Mechatronics · Frankfurt, Germany
Statistics
Experience
Global Experience
Expertise
Qualifications
Profile
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