Senior Software Developer · MedTech & Polarion · Web Platforms · Digitalisierung für Handwerksbetriebe
I build software for regulated MedTech environments, customer-specific Polarion solutions,
quality-focused web platforms — and practical digitalisation for small trade businesses.
- Senior Software Developer at avasis solutions GmbH, focused on customer-specific Polarion solutions for regulated MedTech delivery.
- Founder of Roser Systeme — digitalisation for Handwerksbetriebe in the Hersbruck / Nürnberg region.
- 6+ years across ALM consulting, solution architecture, implementation, code review, testing, and technical coordination.
- Hands-on with requirements, risk, verification, validation, workflows, and customer extensions in Velocity, Java, and JavaScript / TypeScript.
- Based in Hersbruck, Bavaria, Germany, working remotely across product, process, and software quality topics.
| Focus Area | Highlights |
|---|---|
| MedTech & Polarion | Regulated product development, Polarion extensions, document structures, workflows, validation-minded delivery |
| Web Platforms | Next.js, React, Angular, TypeScript, accessibility, SEO, performance, maintainable frontends |
| AI & Automation | AI-assisted editorial workflows, LangChain / Langfuse integrations, developer tooling, process automation |
| Digitalisierung für Handwerk | Websites & Google Business, document/photo organisation, NAS backups, structured inquiry & routing automation — DSGVO-compliant, German-hosted |
| Delivery & Quality | Stakeholder alignment, quality gates, testing, code reviews, technical documentation, durable implementation |
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Digitalisation for trade businesses around Hersbruck / Nürnberg: websites and Google Business profiles, document and photo organisation with automated NAS backups, and structured inquiry flows with photo upload, email/Telegram notifications and automated office routing. Every engagement starts with an on-site workflow analysis instead of a tech project. Stack: |
Editorial and publishing platform for a large Christian content library. Recent work covers AI-assisted content workflows and platform evolution. Stack: |
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My personal portfolio and professional home on the web, with a strong emphasis on metadata, accessibility, maintainability, and clear positioning. Stack: |
Website platform for a local church with consent-based analytics, SEO, and Lighthouse-focused delivery. Stack: |
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Association website with an integrated event calendar, clear content structure, and low-maintenance editing for a volunteer team. Stack: |
Customer-specific work across requirements, risk, verification, validation, workflows, and technical documentation in regulated MedTech environments. Stack: |
Primary tools and environments: Polarion, Java, TypeScript, Angular, React / Next.js, Spring Boot, MongoDB, Docker, and modern testing / QA workflows.
| 🌐 Portfolio | roser.dev |
| 🧰 Business | roser-systeme.de |
| 📄 CV | roser.dev/cv |
| linkedin.com/in/jonasroser | |
| 🗂️ Repositories | github.com/Jonasdero |