Booking NL

Senior Machine Learning Scientist (For Independent Contractors)

Posted Sep 26, 2025
Project ID: 9855-1
Location
Amsterdam, NH
Hours/week
40 hrs/week
Timeline
6 months
Starts: Oct 9, 2025
Ends: Apr 8, 2026
Payrate range
100 - 145 €/hr

The Senior Machine Learning Scientist is a deep subject-matter expert in the theory and implementation of one or more areas of machine intelligence as an end-to-end product that generates direct business impact. We are seeking a candidate with a strong blend of theoretical background in machine learning, optimization theory and auction theory, and the ability to bring theory into practice and build scalable optimization solutions. You will be working on the most complex optimization challenges in the Performance Marketing domain, driving a research agenda and development plan from ideation to prototyping to full production.


We value exceptional ownership skills, high communication abilities and a result-driven mindset.


We are flexible on location for the right candidate.



Technical Requirements & Task Description:


  • Translate broad business problems into ML/AI challenges and develop a targeted research plan to identify the best approach within the constraints of the production environment.


  • Independently define and build proof-of-concepts to test new ideas and demonstrate their potential value to relevant stakeholders.


  • Drive the end-to-end execution of the ML/AI development process on products, from ideating to a working scalable ML application


  • Build readable and reusable code, using the right technologies and coding methodologies, applying knowledge of business area tools and product needs.


  • Create outsized impact for your work through carefully designed rapid prototyping coupled with strategic scale-up in production through the work of other teams.


  • Develop end-to-end ML solutions for high scale business problems in the performance marketing and online advertising space


  • Maintain a highly cross-disciplinary perspective, solving issues by applying approaches and methods from across a variety of ML/AI disciplines and related fields.



Required skills:


  • Proven record in developing innovative machine learning solutions for large-scale business problems


  • Proven record in applicative research around large scale optimization problems


  • Strong theoretical background in large-scale constrained optimization and statistical methods


  • Very strong communication skills and presentation skills


  • Experience in coaching others through evidence and clear communication, explaining advanced technical concepts in simpler terms


  • Fast learner with a protagonist mindset with high abilities to work independently



Level of education


Master's degree or PhD required.

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