Last Update: Dec 2025
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vahyd@live.com

I am a first-year PhD student at TU Delft, where I am supervised by Savvas Zannettou and Yury Zhauniarovich. My research focuses on the safe and responsible integration of AI in digital environments, positioned at the intersection of Natural Language Processing, Information Retrieval, and Computational Social Science.

My journey is driven by a joy for exploring diverse fields and a passion for building new things. It's a path that has given me the privilege of leading research and industry teams, launching successful products, and teaching/managing large university courses. These varied experiences are the foundation of my interdisciplinary work and my aspiration to build a "Distributed Scientific Persona" —firmly anchored in computer science but deeply enriched by the social sciences and humanities. I'm always excited to connect with others who share a passion for learning and collaboration, so please don't hesitate to get in touch if you see anything interesting here :D

News

  • Nov 2025: Achieved IELTS Academic score of 8.5/9.0
  • Oct 2025: Started my PhD at TU Delft
  • Sep 2025: New resource paper, PolitiSky24 accepted to EMNLP 2025, Findings
  • Aug 2025: Defended my M.Sc thesis with distinction
  • May 2025: Our work on User Profiling in Social Networks with LLMs accepted to MisD@ICWSM 2025
  • Apr 2025: PerCul was presented in Frontiers 2025 symposium at TeIAS and won the honorable mention award
  • Mar 2025: Acted as official reviewer for ACL 2025
  • Jan 2025: Shortlisted in ELLIS and Mila 2025

Education

Ph.D. in Artificial IntelligenceOct 2025 - Present

TPM @ Delft University of Technology

Working on the safe and responsible integration of AI in digital environments

Supervisors: Savvas Zannettou, Yury Zhauniarovich

M.Sc. in Information Technology EngineeringSep 2022 - Aug 2025

University of Tehran

GPA: 4.00/4.00 (18.5/20)

Thesis: User Behavior Modeling in Social Networks using LLMs

Supervisors: Azadeh Shakery, Masoud Asadpour

B.Sc. in Mechatronics, Automation & RoboticsSep 2016 - Sep 2021

Isfahan University of Technology

GPA: 3.11/4.00 (15.59/20)

Final Project: Android App for Planar Dynamic Balance of Rotors using Real-time Accelerometer Data

Publications

PolitiSky24: U.S. Politics Bluesky Dataset with User Stance Labels

Accepted at EMNLP 2025, Findings

P. Rostami, V. Rahimzadeh, A. Adibi, A. Shakery

Synthia: Synthetic Yet Naturally Tailored Human-Inspired PersonAs

Submitted to AAAI 2025

V. Rahimzadeh*, E. Moosavi*, MT. Pilehvar, Y. Yaghoobzadeh *equal contribution

PerCul: Story-Driven Cultural Evaluation of LLMs in Persian

Accepted at NAACL 2025 Main Conference

E. Moosavi*, V. Rahimzadeh*, Y. Yaghoobzadeh, A. Shakery, MT. Pilehvar *equal contribution

From Millions of Tweets to Actionable Insights: Leveraging LLMs for User Understanding

Accepted at MisD@ICWSM 2025

V. Rahimzadeh, A. Hamzehpour, A. Shakery, M. Asadpour

Notable Experiences

ResearcherOct 2024 - Oct 2025

Tehran Institute for Advanced Studies (TeIAS)

AI Engineer | LLM, LLMOpsOct 2023 - Oct 2024

RamonAI, ModAI App

  • Maintaining the main GitLab Repository with 7+ people actively working on it
  • Implementing & Monitoring LLM based Real-time pipelines on Millions of data using scalable queuing, databases & monitoring systems like NATs, Redis, PostgreSQL, Prometheus, Grafana & Sentry
  • Scalable Deployment & Monitoring of LLMs using vLLM, TGI, LangFuse, Grafana & Sentry
  • Using & Fine-tuning Different LLMs & VLMs
  • Implementing RAG based Solutions based on LLMs & KBs & Milvus & complex chatbot back-ends using LangGraph
  • Involvement in complex semantic/lexical search & retrieval systems using ElasticSearch

Co-Founder, Software EngineerJun 2019 - Oct 2023

Qorfechi

  • Planned, designed & developed multiple world class standard websites using the latest technologies
  • Implementing AI based features in Dashboards

Services

  • ACL 2025: Reviewer
  • ECIR 2025: PC Member
  • AAAI 2025: Reviewer

Honors & Awards

  • Outstanding Paper Award at Frontiers 2025 symposium, Tehran
  • Ranked 2nd in Nationwide Graduate Level University Entrance Test of Information Technology
  • Ranked 6th in Nationwide Graduate Level University Entrance Test of Computer Engineering
  • Outstanding R&D Group of IUT in IoT & Robotics Group
  • Ranked among top 0.5% in Nationwide Bachelor Level University Entrance Test of Mathematics and Physics

Skills

Large Language ModelsVision Language ModelsResearchLangChainLangGraphMilvusElasticSearchNATsPostgreSQLRedisMongoDBvLLMTGIUnslothHF TrainerPyTorchBERTEmbeddersLexical RetrievalSemantic RetrievalColBERTBM25Neo4JCode ReviewingRepository MaintenanceTeamworkTight Deadlines

Interests

Fyodor DostoevskyAlbert CamusLeo TolstoyCormac McCarthyMilan KunderaMaxim GorkyFriedrich NietzscheCharles BukowskiFranz KafkaGabriel Garcia MarquezJordan PetersonAndrew HubermanLex FridmanSadegh Hedayat