Semih Durmaz
LLM Engineer
Experience
LLM Engineer
Turing Enterprises
- Assessed user–chatbot interactions by determining task completion accuracy and diagnosing failure causes such as technical or permission-related issues.
- Compared multiple model outputs for a given prompt, evaluating each based on instruction following, executability, and accuracy to identify the superior response.
- Analyzed GitHub repositories to test model capabilities in feature development; when models failed, implemented the required code and classes to enhance their functional performance.
- Categorized text segments by determining whether they were code-related and, if so, identified the programming language and specific subtopic (e.g., adding new features, refactoring, error handling).
NLP Developer
Saha Robotik
- Worked on a project focused on enhancing the speech recognition capabilities of a restaurant order-taking robot by identifying problematic food names, recording accurate pronunciations, and fine-tuning the Whisper model.
- Technologies used: Whisper Model, Transformers, PyTorch, TTS Model.
- Developed a dictionary-based sentiment analysis tool for the Turkish language to analyze customer feedback and opinions.
- Technologies used: NLP techniques, NLTK, spacy, textBlob, Zemberek, Turkish-lexicon.
Software Developer
BookLogic
- Developed a text engine utilizing a fine-tuned transformer-based model trained on hotel industry tweets to generate marketing and promotional content based on keywords.
- Technologies used: Transformers, Word2Vec, FastText, NLTK, Web Scraping, Keyword Extraction.
- Built an application to analyze customer reviews by performing sentiment analysis to generate detailed reports on overall experience, highlighting liked and disliked aspects.
- Technologies used: MongoDB, NLTK, Word2Vec, Sentiment Analysis, Web Scraping.
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Tourism (3.5 years), Information Technology (1.5 years), Food and Beverage (0.5 years), and Manufacturing (0.5 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (5 years), Marketing (3.5 years), Product Development (2 years), Research and Development (1.5 years), and Business Intelligence (0.5 years).
Summary
I'm developing projects in the field of natural language processing.
Always curious and open to new technologies.
Skills
- Python
- Natural Language Processing
- Data Engineering
- Algorithm Design & Analysis
- Mysql
- Postgresql
- Web Scraping
Languages
Education
Yildiz Technical University
Master's Degree · Computer Engineering · İstanbul, Turkey
Yildiz Technical University
Bachelor's Degree · Computer Engineering · İstanbul, Turkey
Profile
Frequently asked questions
Do you have questions? Here you can find further information.
Where is Semih based?
What languages does Semih speak?
How many years of experience does Semih have?
What roles would Semih be best suited for?
What is Semih's latest experience?
What companies has Semih worked for in recent years?
Which industries is Semih most experienced in?
Which business areas is Semih most experienced in?
What is Semih's education?
What is the availability of Semih?
What is the rate of Semih?
How to hire Semih?
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
Similar Freelancers
Discover other experts with similar qualifications and experience
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a LLM Engineer
Nearby freelancers
Professionals working in or nearby İstanbul, Turkey