S. K.-Research Scientist – Materials Science
Check rate
Experience
Lead AI Editor (Science & Research Team)
Yandex
- Leveraged a background in Materials Engineering to evaluate technical accuracy of AI outputs in scientific and engineering domains, providing expert-level preference signals for RLHF training data.
- Preparing and curating AI training materials to support model development pipelines.
AI Editor / Search Engine Quality Improvement Specialist
Yandex
- Evaluated and improved search result relevance and AI output quality through systematic annotation.
AI Evaluator
Peroptyx
- Assessed AI model outputs across multiple domains, providing detailed quality and accuracy evaluations.
Research Associate
Turkish-German University
- Demonstrated expertise in photonic crystal fabrication and application, including design, synthesis, and optical characterization of photonic crystal structures; optimized photochemical parameters to achieve controlled light–matter interactions in confined reaction systems.
- Investigated and characterized photochemical material properties to study exposure behavior and confine optical reactions, directly informing process control strategies.
- Experimented with thin-film deposition methods (Spin Coating, Plasma-Enhanced CVD) to engineer material surfaces relevant to photochemical and photonic applications.
- Conducted comprehensive materials characterization using XRD, SEM, DTA, TGA, and FTIR to evaluate structural, thermal, and chemical properties of synthesized materials.
- Performed mechanical testing (hardness, tensile, fracture toughness, fatigue) to correlate microstructural properties with performance.
- Supervised undergraduate dissertations; planned and executed independent laboratory research projects within a multidisciplinary academic environment.
Quality Engineer Trainee
CMS Wheels Inc.
- Conducted mechanical tests on aluminum rim samples; performed quality control using X-Ray and SEM imaging.
- Implemented a process improvement project that increased efficiency in inclusion separation.
Engineering Intern
KÜMAŞ & LAV
- Received hands-on training in glass production, powder metallurgy, and advanced characterization methods.
- Developed high-performance glass using the Sol-gel method as part of an individual research project.
Engineering Intern
KÜMAŞ & LAV
- Received hands-on training in glass production, powder metallurgy, and advanced characterization methods.
- Developed high-performance glass using the Sol-gel method as part of an individual research project.
Industry experience
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Experienced in Education, Information Technology, and Manufacturing.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Research and Development, Information Technology, Quality Assurance, and Production.
Summary
Metallurgy and Materials Engineer with over 3.5 years of hands-on academic and industry research experience, including demonstrated expertise in photonic crystal fabrication and photochemical process optimization. Proficient in a broad range of advanced characterization techniques and thin-film deposition methods. Experienced working in multidisciplinary research environments that combine materials science, photonics, and chemistry.
Skills
Technical Skills
- Photonic Crystal Fabrication & Optimization
- Photochemical Process Control
- Thin-Film Deposition (Spin Coating, Pecvd)
- Materials Characterization: Xrd, Sem, Ftir, Dta, Tga
- Mechanical Testing (Tensile, Hardness, Fatigue)
- Sol-Gel Synthesis
- Research Methods & Scientific Writing (Latex)
- Html + Css, Javascript, Ms Office
Soft Skills
- Multidisciplinary Team Collaboration
- Independent Research & Problem Solving
- Mentoring & Supervision
Languages
Education
Dokuz Eylül University
MSc · Metallurgy and Materials Engineering · İzmir, Turkey
Dokuz Eylül University
BEng · Metallurgy and Materials Engineering · İzmir, Turkey
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
S. is based in Eskişehir, Turkey.
S. speaks the following languages: Turkish (Native), English (Advanced), German (Intermediate).
S. has at least 7 years of experience. During this time, S. has worked in at least 6 different roles and for 5 different companies. The average length of individual experience is 1 year. Note that S. may not have shared all experience and actually has more experience.
Based on recent experience, S. would be well-suited for roles such as: Lead AI Editor (Science & Research Team), AI Editor / Search Engine Quality Improvement Specialist, AI Evaluator.
S.'s most recent position is Lead AI Editor (Science & Research Team) at Yandex.
In recent years, S. has worked for Yandex, Peroptyx, and Turkish-German University.
S. is most experienced in industries like Education, Information Technology, and Manufacturing. S. also has some experience in Automotive.
S. is most experienced in business areas like Research and Development, Quality Assurance, and Information Technology. S. also has some experience in Production and Product Development.
S. has recently worked in industries like Education and Information Technology.
S. has recently worked in business areas like Research and Development, Information Technology, and Quality Assurance.
S. holds a Master in Metallurgy and Materials Engineering from Dokuz Eylül University and a Bachelor in Metallurgy and Materials Engineering from Dokuz Eylül University.
The availability of S. needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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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 27 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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