KOLJA OESER

10+ years experience building and scaling
AI-powered, data-driven web and mobile products.

BEHIND GREAT PRODUCTS.

Pactum Securities UI

PlantingSpace | AI Company

Product Manager

Defined product strategy and UX for a novel AI inference approach and automation platform for analysts as the sole product manager for 30+ developers: set up probabilistic models and agentic workflows with external experts and contributed to the technical implementation, including LLMOps workflows in addition to coordinating the development of a RAG document ingestion and retrieval pipeline.

Pactum Securities UI

Pactum Securities | Fintech

Head of Product

Led the end-to-end delivery of a portfolio of B2B SaaS fintech platforms for securitized debt products, which managed over €7B in financing volume: validated MVPs for enterprise clients and turned them into reusable platform modules, while setting up data analytics pipelines to streamline reporting and reconciliation in addition to improving loan-repayment prediction with ML.

Acatus UI

Acatus | Fintech

Senior Product Manager

Directed the product strategy and launch of a marketplace for securitized debt products (awarded the KPMG Smart Start Award) with a several-hundred-million-euro pipeline, helping secure €8M in funding and integrating emerging technology like an ML-driven robo-advisor under strict financial regulation while spearheading enterprise integrations and automation of core workflows.

Mediteo UI

Mediteo | Digital Health  

Product Manager

Led the launch and growth of an award-winning consumer digital-health app and web portal on behalf of CompuGroup Medical, scaling it to #1 in Germany’s app store (Medical category, 2017) and 4.5+ stars by leveraging data-driven optimization to drive growth and user engagement while coordinating cross-platform iOS/Android delivery under strict medical device regulations.

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