Mohamed Alhajar

Profile

Skilled Machine Learning Engineer with expertise in large language models. Established a prominent Hugging Face account, which evolved into a hub for fine-tuned models, exceeding over 6000 downloads for different models. Noteworthy contributions include a cocktail of translated datasets specialized for a Turkish LLM and the development of a Turkish leaderboard to enhance benchmarking. Innovated a talking avatar for my CV, showcasing my technical and creative abilities.

Skills

• Language Models: Optimized and deployed large language models using LoRA achieving high adoption with a LLaMA-2 model on Hugging Face.
• Computer Vision: Implemented advanced image recognition with ControlNet and Stable Diffusion technologies.
• Speech Recognition: Boosted speech system performance with custom pronunciation error detection algorithms.
• Agile Development: Managed software lifecycles using Jira optimizing team workflow and productivity.

Professional Experience

Machine Learning Engineer - Wiro.ai

Jul 2023 - Feb 2024

• Deployed ControlNet and Stable Diffusion models for improved image recognition.
• Led a LLaMA model to 6000+ Hugging Face downloads, highlighting user engagement.
• Customized language models with LoRA technologies for targeted application needs.
• Enhanced language model efficiency with quantization, reducing compute costs.

Machine Learning Engineer - English Central

Feb 2022 - Jul 2023

• Developed a rating tool for efficient labeling at phoneme, word, and utterance levels, boosting platform's efficacy.
• Led creation of a three-level labeled dataset using a Kappa score-based voting mechanism.
• Designed and developed dataset training modules using Random Forest and Wav2vec2, resulting in a 120% F0.5 score increase in pronunciation error detection
• Implemented parts of an automated English teaching chatbot at English Central through prompt engineering and GPT technologies.

Product Analyst - English Central

Jun 2021 - Feb 2022

• Conducted statistical analysis on various projects to optimize gross.
• Collaborated with marketing and content teams to create engaging material.
• Analyzed campaign performance and provided feedback on strategies.

Teacher Assistant - Bilkent University

Sep 2020 - Jun 2021

• Conducted lab sessions to augment professor lectures with practical experience for database and algorithms courses.
• Provided Q&A sessions for project progress support.
• Graded student projects and tests, facilitating enhanced understanding of course material.
• Aided in the successful completion of over 9 projects across 3 semesters, deepening student comprehension.

Full Stack Developer - Dimension14

Dec 2019 - Sep 2020

• Mined customer usage data for customer acquisition at Dimension14.
• Conducted behavior-driven tests on products using Selenium and Cucumber for software reliability assurance.
• Maintained legacy systems using reverse engineering techniques for project comprehension and bug fixes.
• Supplied input data to the AI software algorithm for solution development.

Management Intern - QNB Finansbank A.Ş.

Jul 2019 - Aug 2019

• Assisted in developing and analyzing promotional campaigns, leading to a 25% product adoption increase.
• Conducted market research for potential target audiences, providing product development recommendations.
• Collaborated on a new corporate client onboarding process, decreasing onboarding time by 15% and increasing customer satisfaction.

Software Engineering Intern - Global Voices

Jun 2018 - Aug 2018

• Announced a new internal website system tailored to the company's unique needs at Global Voices.
• Launched updated user website with multiple new features.
• Maintained workflow via continuous system checks and speedy repair.

Education & Qualifications

Bachelor of Science in Computer Engineering - Koç University

Sep 2015 - Jun 2019

• Proficient in programming languages C++, C, C#, and Java during Computer Engineering study at Koç University.
• Completed project planning coursework, developed a Monopoly game using GoF patterns and software engineering techniques.
• Familiar with Linux-based software models and basic shell script writing for read-write operations.
• Experienced in SQL database management, front-end, and back-end development.
• Knowledgeable in general physics, chemistry, and philosophy.

Additional Information

• Honor/Award
Recipient of the Al Ghurair STEM Program scholarship from the Abdullah Al Ghurair Foundation for Education
• Certification
Machine Learning in Production Specialization (Deep Learning.ai)
• LANGUAGES
Arabic (native); English (fluent); Turkish (fluent), German (Conversational)