Vadim Gremyachev is a senior technical consultant with 13 years of experience designing and delivering cloud-native solutions across Azure, AWS and GCP from Helsinki. He combines hands-on software architecture and development—spanning identity and access management (Azure B2C, Cognito, Keycloak), migration and CI/CD (Terraform, ARM, Azure DevOps), and data ETL/visualization—with practical product integrations for finance, energy and media customers. A former Microsoft MVP and active open-source contributor, Vadim has contributed notable fixes and resumable upload features to the Office365-REST-Python-Client, reflecting deep familiarity with Microsoft Graph and OneDrive APIs. He frequently bridges legacy systems and modern PaaS/serverless platforms, delivering secure, production-ready integrations and team-enabling tooling. Not obvious from titles: his background started in meteorological R&D and numerical models, which informs a data-driven, analytical approach to system design.
Microsoft 365 & Microsoft Graph Library for Python
Role in this project:
Back-end Developer
Contributions:57 releases, 2 reviews, 508 commits in 6 years 9 months
Contributions summary:Vadim's contributions primarily focused on the Microsoft 365 & Microsoft Graph Library for Python. They addressed file-related bugs by fixing issues in the "office365/sharepoint/file.py" file. Further contributions included implementing features for resumable uploads and chunk uploads in OneDrive and SharePoint APIs within "office365/sharepoint/upload_session.py" and "office365/onedrive/file_upload.py". The user also made minor fixes related to encoding in the "setup.py" file, and contributed updates to the code base in "office365/runtime/client_request.py", "office365/onedrive/site.py", "office365/onedrive/list.py" and tests.
SharePoint Client Object Model (CSOM) API for Node.js
Contributions:1 release, 42 commits, 5 PRs in 6 years 10 months
apinode-jsjavascriptsharepointnodejs
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Vadim Gremyachev - Senior Technical Consultant at HiQ Finland