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Obaidullah Khan | Technical Writer (API)

Technical Writer specializing in static site generators, API-reference, user guides and manuals along with changelog

Obaidullah Khan

Technical Writer | API Documentation | Docs-as-Code | Agile Workflows

๐Ÿ“ž +4917676009120 ย ยทย  โœ‰๏ธ okjadoon18@gmail.com ย ยทย  LinkedIn ย ยทย  ๐Ÿ“ Bamberg, Germany


Summaryโ€‹

Technical writer with 3+ years of experience in developer-focused documentation around APIs with helping secure the Postman Top New API award in 2024. My background in API and product-based technical writing has equipped me with the ability to translate complex technical concepts into clear, user-oriented content. With hands-on experience in Docs-as-Code environments and close collaboration with engineers and product teams, I focus on creating documentation that improves the developer experience, supports learning, and grows community trust in the product.


Experienceโ€‹

Working Student Technical Writer (API)

Brevo / Sendinblue GmbH

Dec 2022 โ€“ Feb 2026๐Ÿ“ Berlin, Germany

Owned and managed the Brevo developer portal documentation end-to-end, collaborating with Product Managers, engineering, QA, UX, and customer support teams.

Key Contributions

  • Owned Brevo's developer portal โ€” managed API user guides, API references, Swagger OAS, Changelog, Recipes, and Postman workspace.
  • Maintained a developer portal of over 200 REST API endpoints, around 70 pages API user guides and published many changelogs.
  • Documented user guides for more than 100 API endpoints
  • Implemented a docs-as-code workflow using Markdown (.MD and .MDX), pushing docs to GitHub following CI/CD-based publication pipelines with Agile methodologies.
  • Managed SDKs on GitHub across multiple languages: C#, Java, C++, Python, Node.js, TypeScript.
  • Maintained the Swagger/OpenAPI specification and Postman workspace โ€” contributing to Brevo's recognition as the Top New API Award winner from Postman in 2024.
  • Integrated AI and LLM tools into daily documentation workflows to improve output quality and speed.
  • Authored release notes and changelogs for every product improvement and new product release.
  • Developed and maintained user/developer guides and API references based on OAS.
  • Reviewed and enforced QA against style guides for documentation created by developer teams.
  • Handled 20+ documentation suggestions from users in a single day.
  • Reduced customer support tickets by 40% by writing clear, customer-focused product guides.
  • Managed L3 support tickets via Jira for engineering teams.
  • Played a key role in implementing OAuth 2.0 authentication and resolving authentication issues.
  • Worked with documentation platforms: Readme.io, Docusaurus, and Fern.

Tools & Stack

Markdown / MDXOpenAPI / SwaggerPostmanGitHub / GitCI/CDReadme.ioDocusaurusFernJiraREST APIsOAuth 2.0

Master's Thesis Researcher

University of Bamberg

Apr 2025 โ€“ Sep 2025๐Ÿ“ Bamberg, Germany

Implementation and Evaluation of Interaction Types in Mobile-Based Augmented Reality

  • Built an iOS AR application using Xcode and Unity 3D with C# scripting.
  • Implemented three interaction paradigms: Touch-based, Device-based, and Mid-air gestures.
  • Integrated the external RealtimeHand SDK from GitHub for hand gesture recognition.
  • Conducted extensive literature review across ISMAR, IEEE, and ACM conference proceedings.
  • Designed and executed a user study involving task-based participant testing and survey analysis.

Tools & Stack

Unity 3DC#Xcode / iOSRealtimeHand SDKGitHub

Impactโ€‹

40%Reduction in customer support tickets
20+User doc suggestions handled in one day
3+Years of API documentation experience
๐Ÿ†Postman Top New API Award 2024 (Brevo)

Skillsโ€‹

Documentation Typesโ€‹

API Reference DocsDeveloper GuidesOpenAPI / OASSwagger SpecsRelease Notes / ChangelogSDK DocumentationOnboarding GuidesTroubleshooting GuidesXML DocsJSON Docs

Tools & Platformsโ€‹

Readme.ioDocusaurusFernPostmanGitHub / GitGitLabJiraVisual Studio CodeDockerKubernetes

Technical Knowledgeโ€‹

REST APIsOAuth 2.0CI/CD WorkflowsMarkdown / MDXJSON / XML / YAMLCloud / Web ServicesC#Java / PythonJavaScript / TypeScriptReact Native

Educationโ€‹

DegreeInstitutionDurationLocation
M.Sc. International Software Systems ScienceUniversity of BambergApr 2022 โ€“ Sep 2025Bamberg, Germany

Training & Certificationsโ€‹

CourseProvider
API Crash CourseUdemy
Information Architecture FundamentalsUdemy
A2 German LanguageGoethe Institut

Languagesโ€‹

LanguageProficiency
EnglishNative
GermanA2 (Goethe Certified)