Freelancer profile translated to English.
Back to original languageAbout Jannik
I builddecision-grade MVPs / product pilotsin a short time –hands-onfrom architecture to go-live. Ideal forCTOs, Innovation Leads, Venture Builders, and Product Teamswho need alive usable versionquickly from an idea or an operational problem to decide internally, test, or onboard initial users.
What I specifically help with
- **MVP / Pilot Delivery**: Scope cutting, defining core flows, iteratively shipping (weekly demos)
- **Workflow & Process Software**: complex business logic, status models, validation, edge cases (e.g., planning/production/operations)
- **Integrations**: APIs, events, data flows, third-party tools, clean interfaces & contracts
- **Cloud Go-Live**: deployment, CI/CD basics, logging/metrics, operational and handover clarity
What sets me apart
I am aSoftware ArchitectAND **Builder**: clear system boundaries, pragmatic designs, then implementation until something real is running. No "PowerPoint consulting" – I work outcome-oriented and deliver usable software that your team can continue with.
AI Platform / GenAI Experience
Additionally, I wasLead Architect**for an AI Platform**: reference architecture and building blocks for scalable, secure LLM usage (enablement, guardrails/governance, observability, cost control), enabling product teams to reliably bring AI features into production.
Stack / Keywords
TypeScript, Node.js, React, Cloud/Serverless (incl. Cloudflare), Software Architecture, Full-Stack, APIs, Event-Driven, Observability, Security Basics, MVP, Product Pilot, AI/LLMs, RAG/Evaluation.
German
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- jung.devFounderDIGITAL AND ITJanuary 2026 - Today (5 months)GermanyI helpProduct and Engineering Leadsship when internal teams are at their limit.Withjung.dev Studio**, I deliver **production-ready product pilots in focused 6-week sprintswhile the team stays on the roadmap.
- Clear scope, weekly demos, working software instead of slides
- End-to-end Delivery: Architecture, implementation, go-live, handover (source + docs)
- Focus: **MVP / Pilot**, internal tools, workflow/process software, integrations
- objective partner AGSenior IT Consultant & ArchitectDIGITAL AND ITSeptember 2022 - December 2025 (3 years and 3 months)Weinheim, BW, GermanyAs aSenior IT Consultant & Architect**, I supported complex projects from **Discovery to Deliveryand drove technical decisions across teams.
- Discovery with Business & IT: Goals → System Boundaries, Requirements, Delivery Plan
- Architecture: C4/ADRs, Integration & Data Flow Design, Interface/Event Contracts
- Cross-cutting: Security-by-design, Reliability, Operational Readiness
- Hands-on Support: Reviews, Prototypes, Critical Implementation, CI/CD Patterns
- Typical Domains: Workflow/Process-heavy Systems, Production/Operations Planning, Integration Platforms
Lead Architect — AI Platform- Reference Architecture & "Golden Path" for AI Features within the Company
- Building Blocks: Provider Abstraction, Agent/Workflow Patterns, Prompt/Runtime Patterns
- Governance: Multi-Tenant Access, RBAC, Policies, Logging/Audit, Data Handling
- Quality/Security: Evaluation, Monitoring/Observability, Incident/Cost Controls
- Enablement: Templates, Docs, SDK/Components, Architectural Support for Product Teams
- objective partner AGIT ConsultantDIGITAL AND ITApril 2019 - August 2022 (3 years and 4 months)Weinheim, GermanyDelivery-focused, hands-on software engineering in agile teams – from feature to production support.
- Features End-to-End: Design → Implementation → Test → Release → Support
- Backend Services/APIs & Integrations (incl. AuthN/AuthZ as needed)
- Complex Workflow Logic: Status Models, Scheduling/Planning, Validation, Edge Cases
- Web UIs for Internal Users: Usability, Performance, Maintainable Components
- Tests (Unit/Integration), Tooling for Regression Security
- CI/CD, Release Automation, Configuration/Environment Management
- Incidents/Hardening: Tracing, Logging, Metrics, Performance Tuning
- Phased Ownership for Subsystems & Technical Design
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Education
- Bachelor of Science - BSDHBW Mannheim2018Dual Studies - International Management for Business & Information Technologies
- AbiturLeonhard-Wager-Gymnasium2015
Certifications
- Certified Professional for Software Architecture, Foundation Level (CPSA-F)iSAQB2022