Team
19 experts. One cooperative.
allwerker eG brings together highly qualified IT companies and individual experts who build digital solutions together. Every member brings their own focus and years of experience. Together we cover the entire lifecycle of digital products.
Hover, drag, click: person → profile · focus area → filter
Samer Al-Hunaty
Solutions Architect
More than 20 years of experience in building complex software systems, specializing in cloud-native applications, domain-driven design, and event-driven architectures.
- Backend
- Java, Kotlin, Spring Boot, Python, PostgreSQL, MongoDB, Kafka, RabbitMQ
- Frontend
- Vaadin, React, Vue.js
- Cloud
- AWS, Cloud Foundry, Docker
Alen Tolj
Cloud Security Architect
Freelance IT consultant focused on system design, software engineering and cloud platforms. Security and platform engineering expert.
- Cloud
- GCP, Azure, Terraform, Kubernetes
- Security
- SIEM, CSPM, CWPP, MITRE ATT&CK
- Roles
- Platform Engineer, Solutions Architect, SRE
Filip Thamasett
AI Platform Engineer & Cloud Architect
Cloud-native expert specializing in GCP and Azure. Builds production AI platforms – RAG pipelines, agentic workflows and real-time voice AI – secure, scalable and cost-efficient in the cloud.
- AI & Agents
- LLMs, RAG, Agentic Workflows, Claude, OpenAI, Vertex AI
- Cloud
- GCP, Azure, Cloud Run, BigQuery, Terraform
- Platform
- Kubernetes, Helm, Golang, Python, Prometheus, Grafana
Lars Haferkamp
Data Scientist & ML Engineer
Data science expert focused on machine learning and big data analytics. Specialized in cloud-based data pipelines and AI solutions.
- Data
- Python, Spark, Scikit-Learn, Databricks
- Cloud
- AWS, Azure, GCP, BigQuery
- AI/ML
- Neural Networks, LLM, RAG, ChatGPT
Fuat Atabey
Full-Stack Developer
Specialized in React, Vue.js and Node.js with focus on high-performance web applications. Expertise in Python and modern JavaScript frameworks.
- Frontend
- React, Vue.js, Angular, TypeScript
- Backend
- Node.js, Python, Django, Express
- Mobile
- React Native, PWA
Martin Eckhardt
IT Consultant • Cloud Architect
IT consultant and cloud architect with expertise in AWS cloud migrations and enterprise automation. Specialized in security and compliance.
- Cloud
- AWS, CloudFormation, Terraform, Serverless
- Security
- IAM, Encryption, Compliance, Zero Trust
- Automation
- Ansible, GitLab CI/CD, Jenkins, Python
Florian Bessière
Full-Stack & Mobile Developer
13+ years of experience in full-stack and mobile development. Creator of RiverApp.net (300,000+ downloads). Expertise in Java/Kotlin, Flutter, React and cloud architectures.
- Backend
- Java, Kotlin, Spring Boot, WebFlux, PostgreSQL, MongoDB
- Mobile
- Flutter, iOS (Swift), Android (Kotlin/Java)
- Frontend
- React, Angular, JavaScript, TypeScript
- Cloud
- AWS, Azure, Kubernetes, Docker, Cloud Foundry
Daniel Bartl
Product Development Consultant
Passionate about Product Discovery, Delivery & Operations.
- Tech
- Fullstack Java, Spring, Apache Wicket
- Methods
- Shape Up, Kanban, Agile Kata, Scrum, LeSS
- Operations
- Docker, Hetzner, Kamal, Railway, Coolify
Florian Zrenner
Senior Public Cloud Architect
Public Cloud expert
- Cloud Platforms
- AWS (since 2011), GCP (since 2017), Oracle Cloud (since 2024)
- Focus
- Network architecture, security boundaries, Tooling Strategy & Governance
- Tools
- Terraform, CloudFormation, Github, Kubernetes, CI/CD automation
- Clients
- E-commerce, marketing & mobility industry leaders
Tobias Draeger
Solution Architect • Senior Backend Engineer
Builds sustainable tech teams and software systems by combining leadership, architecture and collaboration. Gets your team fit for lasting success, with or without external support.
- Collaborative Engineering & Leadership
- Pair- and Ensemble Programming, Stakeholder Facilitation, Teamlead, Mentoring
- Backend
- Java, Kotlin, Spring Boot, Python, PostgreSQL, DuckDB, Kafka, RabbitMQ
- Cloud
- Hetzner, Azure, AWS, Kubernetes
Lasse Borchard
Cloud Architect and Platform Engineer
Cloud and Platform Engineering expert with over 20 years of experience in implementing scalable, secure infrastructures on AWS, GCP and Kubernetes. Proven expertise in cloud migrations, developer enablement and leadership responsibility.
- Cloud & Platform
- AWS, GCP, Kubernetes, Terraform, GitLab CI
- DevOps Engineering
- ArgoCD, Helm, Vault, Ansible, Observability
- Leadership & Hiring
- Team Enablement, Technical Interviews, Platform Strategy
Robert Stoiber
Backend / Fullstack Engineer
Software engineer and consultant in agile projects, focused on Java / JVM enterprise applications, web technologies, backend development and API design.
- Backend
- Java / JVM, Kotlin, TypeScript, Spring, DB, JMeter
- Frontend
- TypeScript / JavaScript, Vue, Angular
- Industries
- Public Sector, eHealth, eCommerce, Energy
- Roles
- Team Member, Team Lead, Tech Lead, Solution Architect, Scrum Master
Jonas Hahn
Full-Stack Developer
Experienced full-stack developer with expertise in Java, Python and modern web technologies. Specialized in data analytics and cloud infrastructures.
- Backend
- Java, Spring Boot, Python, Django, Golang
- AI & Data
- OpenAI, Milvus, Apache Druid, Kafka, Machine Learning
- Cloud
- AWS, Azure, Kubernetes, Terraform, Monitoring
Peter Blanchebarbe
Java Enterprise Developer
With over 20 years of experience in architecture and software development, the focus is on Java, Spring, and JEE, both in frontend and backend development. Projects have been successfully implemented in the banking, automotive, government, and telecommunications sectors.
- Core
- Java, Spring, Tomcat, Maven, Git
- Enterprise
- Enterprise Applications
- Specialization
- Java Fullstack
Maciej Miklas
Software Developer
Experienced software developer focused on robust and scalable application development.
- Development
- Software Development
- Architecture
- Scalable Applications
- Focus
- Performance & Reliability
Martin Gräber
CISSP, Cloud/Security Architect
Cloud expert with a security focus and extensive experience in multi-cloud environments.
- Cloud
- AWS, GCP, Azure, Terraform
- Enterprise
- Governance and Compliance, IT Security, Strategy, Platform Engineering
- DevOps
- Containerization, DevSecOps, AI Workflows, GitOps
Eduard Frank
Senior Software Engineer
M.Sc. Computer Science graduate with 9+ years of experience developing scalable enterprise platforms. Expertise in event-driven architecture, mobile development and cloud-native solutions.
- Backend
- Java, Kotlin, Golang, Spring Boot/Cloud, Kafka, PostgreSQL
- Frontend
- Angular, React, TypeScript, Tailwind CSS
- Mobile
- Flutter, Android (Java/Kotlin), iOS (Swift)
- Cloud
- AWS, Kubernetes, Docker, Cloud Foundry
Manuel Kotschote
Full-Stack Web Developer
More than 10 years of experience building web applications and system architecture. Focus on TypeScript and PHP, scalable SaaS platforms and AWS serverless in mobility, advertising and the public sector.
- Frontend
- TypeScript, Vue, Nuxt, Svelte, React
- Backend
- Node, Hono, NestJS, PHP, Laravel
- Cloud & Ops
- AWS Serverless, Azure, CI/CD, Cypress
Sekib Omazic
Principal / Senior Staff Engineer
26 years of project experience and deep expertise in cloud-native architectures and highly available event-driven systems. Combines strategic architecture design with a strong hands-on mentality to make business-critical enterprise applications future-proof and resilient.
- Cloud & DevOps
- AWS, Kubernetes, Docker
- Backend & Data
- Java, Kotlin, Golang, Kafka, PostgreSQL, MongoDB
- Frontend
- JavaScript, TypeScript, React, Angular
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