A man’s maturity consists in having found again the seriousness one had as a child at play.

Experience

Senior AI Research Scientist

Infobip

Jun 2026 – Present · 3 mos

Entropic · Full-time

Jul 2024 – Jun 2026 · 2 yrs

OmicsAgent — AI Agents for bioinformatics.

  • Built OmicsAgent, an AI agent system for running bioinformatics workflows on cloud compute.
  • Owned the platform end to end: agent orchestration, tool execution, long-running jobs, telemetry, and Azure infrastructure.
  • Worked with research labs and biotech customers on integrations and compute planning; built evaluation datasets, an open-source benchmark, and MCP tooling.
  • Wrote and managed EU projects from proposal through delivery.
  • Stack Python, Svelte, Go, Azure, Docker, and Postgres.

Digacon · Full-time

May 2023 – Jan 2025 · 1 yr 9 mos

StrömungsRaum — web-based simulation and optimization platform.

  • Led a remote team of four across hiring, onboarding, mentoring, delivery, and code review.
  • Shipped simulation models and production features for large German industrial clients, working across Python/C++ services, the Vue interface, and containerized deployments.
  • Stack Python, C++, Vue.js, Docker, Kubernetes, and Hetzner.

Sanitas Analytica

Nov 2021 – May 2023 · 1 yr 7 mos

AI Clinical Decision Support Software

  • Founding engineer for Polypharm Solutions, a FHIR-based personalized prescribing platform that reached approximately 1,000 users across universities, practices, and hospitals.
  • Owned the product across clinical data and rules, drug-risk and dosing modules, the Angular clinician interface, and AWS/Postgres operations.
  • Applied propensity-score matching, basket analysis, and cohort analysis to real-world side-effect patterns.
  • Wrote and managed EU projects from proposal through delivery.
  • Stack Python, Angular, Postgres, AWS, FHIR, statistical modeling, Docker, and CI/CD.

Ruđer Bošković Institute

Mar 2020 – Dec 2021 · 1 yr 10 mos

Zagreb, Croatia

Research in applied machine learning.

  • Delivered applied ML research across genomics, chemistry, and protein-interaction networks.
  • Built graph and attention models, classical ML pipelines, and statistical analyses with lab collaborators.
  • Wrote and managed EU projects from proposal through delivery, including early research prototypes.
  • Deployed services on GPU and Kubernetes infrastructure and presented results to scientific audiences.
  • Stack Python, PyTorch, PyTorch Geometric, scikit-learn, R, Jupyter, Docker, Kubernetes, gRPC, Git, and Linux.

Publications & Talks

2026

  • Sound Agentic Science Requires Adversarial Experiments
    Dionizije Fa, Marko Čuljak. ICLR 2026 AIWILD Workshop. PDF · Code
  • BioAgent Bench: An AI Agent Evaluation Suite for Bioinformatics
    Dionizije Fa, Marko Čuljak, Bruno Pandža, Mateo Čupić. ICML 2026. arXiv · Code

2025

  • KulenDayz Tech Talk: Building AI Agents, Lessons and Realities
    Dionizije Fa. Web
  • Evaluating LLMs for Agentic Workflows in Bioinformatics (GLBIO)
    Dionizije Fa, Bruno Pandža, Mateo Čupić. GLBIO 2025 Poster
  • Building Agentic Workflows for Bioinformatics (Tutorial)
    Dionizije Fa, Bruno Pandža, Mateo Čupić. ISCB-Africa 2025 · Materials

2022

  • Discrimination Between Approved and Withdrawn Drugs
    B. Lučić, V. Stepanić, D. Fa, O. Jović, T. Lipić, T. Šmuc. Publication · Code

2021

  • Graph attention network based representation learning for cancer drug response prediction and interpretation (ISMB/ECCB)
    Dionizije Fa, Tomislav Šmuc. Web · Code