Skip to main contentA logo with &quat;the muse&quat; in dark blue text.

Senior Data Scientist

AT Exadel
Exadel

Senior Data Scientist

Sofia, Bulgaria

We are seeking a highly skilled Senior Data Scientist with a strong background in Machine Learning and Large Language Models (LLM) to join our growing team.

Work at Exadel - Who We Are 

We don’t just follow trends - we help define them. For 25+ years, Exadel has transformed global enterprises. Now, we’re leading the charge in AI-driven solutions that scale with impact. And it’s our people who make it happen - driven, collaborative, and always learning.

About Our Customer

America’s un-carrier delivers an advanced 4G LTE and transformative nationwide 5G network offering reliable connectivity. The brand operates in parts of Europe, but the U.S. is its largest market. The un-carrier’s customers benefit from its unmatched combination of value and quality and unrivaled drive for disruption, creating competition and innovation in wireless and beyond.

Requirements

Want more jobs like this?

Get jobs delivered to your inbox every week.

Select a location
By signing up, you agree to our Terms of Service & Privacy Policy.
  • 5+ years of hands-on experience in Data Science with a focus on Machine Learning
  • Proficiency in LLM applications, including fine-tuning and optimizing models
  • Strong background working with AI technologies such as OpenAI and earlier versions of GPT
  • Familiarity with working in large-scale organizations and understanding complex systems and data pipelines
  • Expertise in improving the accuracy of LLM and driving innovations in language model performance
  • Strong analytical skills and ability to work with large datasets to derive meaningful insights
  • Ability to communicate complex technical concepts to non-technical stakeholders
  • Availability to work until 7 PM CET

English level

Upper-Intermediate

Responsibilities

  • Apply advanced Machine Learning techniques to design and develop LLM-based applications and enhance performance
  • Utilize AI technologies such as OpenAI and earlier versions of GPT to improve the accuracy and efficiency of language models
  • Work with AI solutions to test LLM accuracy, ensuring high-quality model outputs
  • Evaluate model quality by measuring the percentage of correct responses (accuracy) and identifying areas for improvement
  • Automate the testing process with a focus on achieving 80% accuracy in model predictions
  • Collaborate with cross-functional teams to implement innovative solutions and solve complex problems using LLM applications
  • Conduct research and continuous optimization of LLM models to enhance their overall performance
  • Work closely with stakeholders to identify business needs and develop data-driven solutions that add value to the organization
  • Stay current with the latest advancements in AI and Machine Learning technologies, contributing to ongoing improvements and optimizations
Client-provided location(s): Sofia, Bulgaria; Hungary; Lithuania; Poland
Job ID: 5399486004
Employment Type: Other