Denizhan Yigitbas

Senior Product Manager @ Microsoft

United States

About

Experience

  • Senior Product Manager at GitHub
    Jan 2026 - Present · 6 mos

    GitHub Actions/Compute

  • Microsoft (Full-time · 4 yrs 10 mos)
    • Senior Product Manager
      Sep 2024 - Present · 1 yr 10 mos

      AI Incubation PM: • Leading a fast-paced AI incubation team, working with cutting edge AI technologies and GitHub Copilot to bring the agentic future to secure, enterprise development environments Patents: • Inventor: AI-Based Code Generation Using a Dynamically Constructed Symbol Graph and Code Skeletons • Inventor: Virtual Workspace Storage Having Independent Lifecycle • Inventor: Automated Generation of Ready to Code Development Environments Based on Multi-Context Processing Product leader for Microsoft Dev Box (Cloud Development Environment) • Defined new business opportunities and windows execution environments for AI agents using Microsoft Dev Box

    • Product Manager II
      Dec 2022 - Sep 2024 · 1 yr 10 mos

      PM Contributor for GitHub Copilot • Leveraged Retrieval-Augmented Generation (RAG) techniques and semantic awareness to deliver contextually relevant prompts, ensuring Copilot generated the most pertinent code suggestions • Ultimately enhanced the accuracy of GitHub Copilot's AI output by reducing hallucinations by 30% Product Owner of Code Index: • Contributed to the development and utilization of Language Server Index Format (LSIF) to produce a graphical representation of compiler output • Enabled compiler-grade navigation experiences in Azure DevOps and GitHub by interacting with the compiler LSIF output via a REST API • Scaled the Code Index service from inception to 20,000 active users, supporting both first-party and third-party users Product Lead for C# Dev Kit • Led and coordinated a team of over 100 including engineering, PM, and UX in order to successfully scope and deliver a new C# extension for VS Code called C# Dev Kit

    • Product Manager
      Sep 2021 - Dec 2022 · 1 yr 4 mos

      Feature PM owner for Visual Studio IDE code search & navigation experiences: • Improved text search performance by 2x via trigram text indexing • Led customer studies engaging with and understanding how developers search and navigate code within Visual Studio to explore new ways to improve developer productivity • Prototyped, tested, and finalized specification for a new unified search experience in Visual Studio for both code and features

  • Program Manager Intern at Microsoft
    May 2020 - Aug 2020 · 4 mos

    Visual Studio Version Control

  • Expero (Internship · 1 yr 8 mos)
    • Data Scientist
      May 2019 - Aug 2019 · 4 mos

      Developed an automated ontology generator that uses a multi-tiered deep learning system and NLP to automatically generate knowledge graphs, which can be used for conceptual exploration of unstructured data.

    • Software Engineer
      Jan 2018 - Apr 2019 · 1 yr 4 mos

      • Specialized in automated UI testing using JavaScript frameworks such as Cypress by fully testing 15 different React webpages. • Developed a deterministic algorithm to perform dimensionality extraction on boxes given 3D photographs.

  • Founder at isteApp
    May 2017 - Jul 2019 · 2 yrs 3 mos

    • Founded QR code POS service for hospitals/hotels pre-covid while lead a team of 6 (PM, UX, engineers) • Managed end-to-end processes including software design, client acquisition, and sales using Agile • Secured product handoff to Acibadem Hospital Group and is now scaled to 30+ hospitals internationally