Available to hire
Hello, I’m Osman Yigit, a backend and data science engineer based in Ankara, Turkey. I design scalable APIs and robust data pipelines using Python, Django, and ML tools, with a passion for building products that users love.
I’m energized by solving complex problems at scale, from semantic search using vector databases to AI-assisted prompt engineering, and I enjoy collaborating with cross-functional teams to deliver measurable business impact.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Work Experience
Backend Developer (Contractor) at Scale.gg
May 1, 2022 - PresentBackend / Rest API development, database management. Designed and implemented a user management system with dynamic authorization based on payment plans. Enabled collaborative resource sharing between users with varying access levels. Utilized asynchronous task queues and search engines for efficient text searching within the app. Utilized vector databases to perform semantic search, enhancing ChatGPT responses with relevant user-uploaded content. Developed an infrastructure for prompt engineering, allowing dynamic construction of ChatGPT prompts depending on user preferences. API integration with OpenAI, Meilisearch, Sendgrid, Pinecone, Openmeter, Stripe.
Software Developer at At arev
June 1, 2021 - April 1, 2022Calculation of key statistics for airline ticket prices, providing airline staff with insight into market and their competitors’ pricing strategies. Introduced serializers and data models to the development process, resulting in better structured code. Developed a JWT based authentication system. API migration from TypeScript to Python and codebase refactoring to improve legacy codebase. Unit testing.
Data Scientist at Optiyol
October 1, 2019 - June 1, 2021Developed unique algorithms to solve critical business problems. Leveraged machine learning and data analysis for actionable insights into user behavior. A scoring algorithm to determine how closely cargo delivery vehicles follow the given optimized routes. An algorithm to process irregular, noisy GPS data coming from vehicles to calculate route lengths. An algorithm to calculate cargo delivery prices based on destination coordinates and geographic regions. Prediction of delivery delays based on geographic regions and time of day using ML models.
Education
BSc Electrical and Electronics Engineering at Middle East Technical University
January 1, 2019 - March 4, 2026MSc Informatics at Informatics Institute
January 1, 2021 - March 4, 2026BSc Electrical and Electronics Engineering at Middle East Technical University
January 11, 2030 - January 1, 2019MSc Informatics at Informatics Institute
January 11, 2030 - January 1, 2021Qualifications
Industry Experience
Software & Internet, Professional Services, Media & Entertainment
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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