08.10.2026 aktualisiert
LF
40 % teilweise verfügbar
Senior Software Developer | Software Architecture | AI-Assisted Engineering | Distributed Systems
Rheda-Wiedenbrück, Deutschland
Weltweit
B.Sc. Business Information TechnologySkills
JavaAPIsAmazon Web ServicesClient-Server-ArchitekturSoftware ArchitectureSAP ConcurSoftwareentwicklungFull Stack EntwicklungAutomation Anywhere
AI & Architecture
Expertise in agent workflows, RAG, Claude Code, OpenAI Codex, pgvector and Temporal. Guiding teams in the use of AI coding agents with repository instructions, verification standards and human-reviewed workflows for security fixes.
Software Engineering
Proficiency in Java, TypeScript, Node.js, SQL, REST APIs and automated testing. Design and operation of Java APIs and asynchronous services, including production debugging across services, queues and data stores.
Cloud Platforms & Infrastructure
Hands-on experience with AWS, Kubernetes, Docker/Podman, MySQL, SQL Server and CI/CD pipelines. Involvement in migrating on-premises infrastructure to AWS and Kubernetes, keeping legacy and new components running throughout the migration.
API Authentication & Security
Design of policy-driven API authentication layers including JWT, mTLS via Envoy, HMAC and IP-range controls, replacing per-service implementations with reusable policies. Responsibility for application security and vulnerability remediation.
Test Automation & QA Leadership
QA lead for a project of around 50 people, including ownership of the test automation framework and responsibility for application security within the team.
Distributed Systems & Asynchronous Services
Building and operating asynchronous services on AWS and Kubernetes, tracing production issues across distributed services, queues and data stores.
TypeScript & Local-First Platform Development
Development of a local-first platform in TypeScript for retrieval-augmented answers, connected tools and durable workflows, integrating local and hosted language models with PostgreSQL/pgvector and Temporal.
Erfahrung
Berufserfahrungmehr als 10 Jahre
Freelancer seit2026
Sprachen
DeutschMutterspracheEnglischverhandlungssicher
Projekthistorie
Designing policy-driven API authentication layers, guiding the team's use of AI coding agents, building and operating Java APIs and asynchronous services on AWS and Kubernetes, and leading security and vulnerability remediation efforts.
Building a local-first platform in TypeScript for retrieval-augmented answers, connected tools and durable workflows. Integrates local and hosted language models with PostgreSQL/pgvector and Temporal, with evidence-linked retrieval and approval before any action is taken.
Part of the platform's migration from on-premises infrastructure to AWS and Kubernetes. QA lead for a project of around 50 people, including test automation framework ownership and application security responsibility. Led onboarding and certification of banks and card issuers.