Tobias Krueger

Built backend services applying LLM APIs to large-scale content processing, including automated classification, enrichment and generation over hotel and destination data. Designed Python ETL and normalisation pipelines and owned REST service architecture, versioning, authentication, rate limiting and caching.

• Logistics SaaS: Built backend features for a post-purchase shipping and tracking platform across providers and automated customer notification workflows.
• Reliability engineering: Handled high-volume tracking data ingestion
against unreliable third-party carrier APIs.
• Merchant integrations: Connected the platform to e-commerce systems and shop backends

• Enterprise backend development: Developed and maintained backend services and internal APIs in a regulated enterprise environment
• Systems integration: Built integration layers between internal platforms and third-party services
• Process automation: Replaced recurring manual processes with Python tooling and scheduled jobs, reducing operational workload for internal teams.

• Platform delivery: Led the backend and API layer for a multilingual international university platform
• Performance engineering: Optimised data fetching, caching strategy and build pipelines for a content-heavy platform
• Systems integration: Connected CRM, application forms and marketing automation systems through REST APIs and webhooks

• Developed and maintained a PHP and MySQL e-learning platform covering user accounts, course and progress tracking, payment handling and administrative tooling.
• Built custom modules and database-backed features; handled Linux server setup, deployment, security updates and ongoing maintenance.

Pursued a Bachelor of Science in Computer Science, focusing on software development and engineering principles.