25.02.2026 aktualisiert
100 % verfügbar
IT-Consultant & Senior Software Developer / Full Stack Web Development & SAP
Bielefeld, Deutschland
Weltweit
B.Sc. Business Informatics Über mich
Full-stack Web & SAP Developer with 9+ years of enterprise experience I bring strong technical expertise from two worlds: eight years in SAP development, consulting, and integration, plus hands-on leadership experience as CTO and Managing Director of an AI startup.
Skills
APIsKünstliche IntelligenzAmazon Web ServicesArchitekturAutomatisierungMicrosoft AzureBusiness To BusinessGeschäftsprozesseProzessoptimierungCSSCloud ComputingDatenbankenContinuous IntegrationETLDatenmodell
Full-Stack Engineering:
Frontend + backend development, API design, integrations, data modeling (monoliths & microservices, clean architecture / DDD)
Modern Web Development:
React, Next.js, TypeScript, HTML/CSS, responsive UI, component-driven development, performance optimization
Backend & APIs:
Node.js, REST APIs, GraphQL, authentication/authorization (RBAC), background jobs, integration services
Databases & Data:
SQL, PostgreSQL, schema design, migrations, query optimization, ETL/data pipelines (basics)
Enterprise Systems & SAP:
SAP development/integration, enterprise workflows, complex business processes, B2B system landscapes, governance
Architecture:
scalable system design, modular architectures, event-driven patterns, caching, observability, reliability
Cloud & DevOps:
AWS / Azure / GCP, Docker, CI/CD (e.g., GitHub Actions), environments, deployments, monitoring/logging (basics), IaC (basics)
AI / LLM Engineering:
LLM integration, RAG, embeddings, vector databases, tool/function calling, prompt engineering, evaluation/guardrails, production-minded AI features
Automation:
workflow automation, internal tools, process optimization, systems integration, reducing manual work
End-to-end responsibility:
discovery & requirements → solution design → implementation → testing → deployment → iteration/operations
Pragmatic problem-solving:
fast prototyping + production readiness; comfortable with both startup speed and enterprise constraints
Clear communication with technical and non-technical stakeholders (product, operations, management); agile (Scrum/Kanban)
Erfahrung
Berufserfahrungmehr als 10 Jahre
Freelancer seit2026
Sprachen
DeutschMutterspracheEnglischverhandlungssicher