Tsvetan A.-Senior Researcher
Check rate
Experience
Senior Researcher
Ontotext
- Knowledge Graph Embeddings
- Quantitative Research
- Deep Learning
Co-Founder
Asamov Ltd
- Quantitative Research
Senior Data Scientist
Snapchat
- Deep Learning
- Stochastic Optimization
Postdoctoral Research Associate
Princeton University
- Multistage Stochastic Optimization
- Approximate Dynamic Programming
Web Search Optimization
- Worked on the development and implementation of an optimization model that significantly improved Google web search capacity
- The work was considered a trade secret instead of being pursued for a patent
Course Instructor for Math 354 Linear Optimization
Rutgers University
Research Assistant
Center for Operations Research, Rutgers University
- Developed methods for the construction of time-consistent approximations to risk-averse multistage stochastic optimization problems under the mentorship of Professor Andrzej Ruszczyński
- Worked with Professor Adi Ben-Israel to develop a probabilistic clustering algorithm for high-dimensional data
Ph.D. in Operations Research
Rutgers University
- Risk
- Stochastic Optimization
- Dynamic Programming
- High–Dimensional Clustering
Research Assistant
DIMACS, Rutgers University
- Worked with Professor Fred Roberts on finding optimal policies for layered security and improving the resilience of ports in the event of natural disaster
- Created algorithms for the multi-objective optimization of structured sensor networks with the port-of-entry group of Professor Elsayed A. Elsayed
Research Assistant
Summer Science REU, Kenyon College
- Developed algorithms for the generation of linear error-correcting codes with good minimum distance under the mentorship of Professor Nuh Aydin
- Implemented a database of Z4 codes and created a method for the construction of LDPC codes of arbitrary girth
Teaching Assistant for Data Structures, Introduction to Programming and Calculus
Kenyon College
B.A. Mathematics, Economics, Scientific Computing
Kenyon College
- Magna Cum Laude
- Distinction in Mathematics
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Education, Information Technology, Banking and Finance, and Media and Entertainment.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Research and Development, Business Intelligence, and Product Development.
Skills
Programming / Research Tools: Julia, Matlab, C, C++, Java, R, Python, Cplex, Gurobi, Magma, Maple
Deep Learning / Gpu Computing: Knet, Mxnet, Tensorflow, Openai Gym, Cuda, Dataframes
Languages
Education
Princeton University
Postdoctoral Research Associate · Princeton, United States
Rutgers University
Ph.D. · Operations Research · Piscataway, United States
Kenyon College
B.A. · Mathematics, Economics, Scientific Computing · Gambier, United States · Magna Cum Laude; Distinction in Mathematics
Certifications & licenses
Google Certificate Of Excellence
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Tsvetan is based in Burgas, Bulgaria.
Tsvetan speaks the following languages: Bulgarian (Advanced), English (Advanced).
Tsvetan has at least 18 years of experience. During this time, Tsvetan has worked in at least 10 different roles and for 10 different companies. The average length of individual experience is 2 years and 6 months. Note that Tsvetan may not have shared all experience and actually has more experience.
Based on recent experience, Tsvetan would be well-suited for roles such as: Senior Researcher, Co-Founder, Senior Data Scientist.
Tsvetan's most recent position is Senior Researcher at Ontotext.
In recent years, Tsvetan has worked for Ontotext.
Tsvetan is most experienced in industries like Education, Information Technology, and Banking and Finance. Tsvetan also has some experience in Media and Entertainment.
Tsvetan is most experienced in business areas like Research and Development, Business Intelligence, and Product Development.
Tsvetan has recently worked in industries like Information Technology.
Tsvetan has recently worked in business areas like Research and Development.
Tsvetan holds a Doctorate in Operations Research from Rutgers University and a Bachelor in Mathematics, Economics, Scientific Computing from Kenyon College.
Tsvetan has 1 certificate: Google Certificate Of Excellence.
The availability of Tsvetan needs to be confirmed.
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.
Similar freelancers
Discover other experts with similar qualifications and experience
Louis G.
Kimmo S.
Kunter K.
Eduard V.
Karl E.
Aravind S.
Alexander K.
Stylianos I.
Martin R.
René W.
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Senior Researcher
Vladimir N.
Mirza K.
Utsav R.
Manuel P.
Paweł M.
Stephan F.
Marcel M.
Mathew D.
Marco P.
Thomas R.
Nearby freelancers
Professionals working in or nearby Burgas, Bulgaria
Dmytro P.
Alexander D.
Thomas H.
Nuray F.
Ivo P.
Nechet M.
Oksana V.
Petko M.
Blagomir Y.
Rosen N.
