Semih D.-LLM Engineer
Check rate
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.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Tourism, Information Technology, Food and Beverage, and Manufacturing.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Marketing, Product Development, Research and Development, and Business Intelligence.
Summary
I'm developing projects in the eld 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
Statistics
Experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Semih is based in İstanbul, Turkey and can operate in on-site, hybrid, and remote work models.
Semih speaks the following languages: Turkish (Native), English (Advanced).
Semih has at least 6 years of experience. During this time, Semih has worked in at least 3 different roles and for 3 different companies. The average length of individual experience is 2 years. Note that Semih may not have shared all experience and actually has more experience.
Based on recent experience, Semih would be well-suited for roles such as: LLM Engineer, NLP Developer, Software Developer.
Semih's most recent position is LLM Engineer at Turing Enterprises.
In recent years, Semih has worked for Turing Enterprises, Saha Robotik, and BookLogic.
Semih is most experienced in industries like Tourism, Information Technology, and Food and Beverage. Semih also has some experience in Manufacturing.
Semih is most experienced in business areas like Information Technology, Marketing, and Product Development. Semih also has some experience in Research and Development and Business Intelligence.
Semih has recently worked in industries like Tourism, Information Technology, and Food and Beverage.
Semih has recently worked in business areas like Information Technology, Marketing, and Product Development.
Semih holds a Master in Computer Engineering from Yildiz Technical University and a Bachelor in Computer Engineering from Yildiz Technical University.
Semih is immediately available full-time for suitable projects.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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