Lead Data Scientist
NielsenIQ
[Job 31517] Data Scientist
ciandt· Prod_GU11
About this role
Responsibilities:
As a Master Data Scientist, you will be responsible for designing and implementing the two-tier optimization engine: (1) heuristic algorithms for market prioritization and budget allocation across multiple markets, and (2) Mixed-Integer Programming (MIP) optimization to maximize audience impressions delivery within each market, respecting inventory, pricing, and business constraints. You will work in close collaboration with the client's domain experts throughout the development process, in an agile environment with 2-week sprints.
Requirements for this challenge:
Fluent English (conversation and technical documentation)
Solid experience in Data Science, Operations Research, or Optimization Engineering
Expertise in Mixed-Integer Programming (MIP) and optimization solvers (Gurobi, CPLEX, or similar)
Solid experience with AWS
Advanced Python
Heuristic algorithm design for large-scale combinatorial problems
Proven experience delivering optimization solutions to production
Multi-objective optimization (balancing multiple metrics and constraints)
Translating business requirements into mathematical formulations
Collaborative work with non-technical stakeholders to co-develop solutions
Agile methodologies (Scrum, 2-week sprints)
Nice to Have:
AWS Lambda for optimization workload deployment
Experience in advertising/media planning or marketing optimization
Knowledge of media metrics (CPM, GRP, impressions, reach, frequency)
Parallel computing for scalable optimization
MidSenior
LI-RW1
Frequently Asked Questions
Is the salary disclosed for the [Job 31517] Data Scientist position at ciandt?
The salary for this [Job 31517] Data Scientist role at ciandt is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the [Job 31517] Data Scientist position at ciandt located?
This [Job 31517] Data Scientist role at ciandt is based in Brazil. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the [Job 31517] Data Scientist role at ciandt full-time or part-time?
This is listed as a Homeoffice position. It is posted as a [Job 31517] Data Scientist role in the Prod_GU11 department at ciandt.
Which team or department does the [Job 31517] Data Scientist at ciandt belong to?
This [Job 31517] Data Scientist position is part of the Prod_GU11 department at ciandt. See the full job description for more information about the team structure and responsibilities.
How do I apply for the [Job 31517] Data Scientist position at ciandt?
Click the "Apply Now" button on this page. You will be redirected to ciandt's official application portal hosted on lever where you can submit your application directly.
When was the [Job 31517] Data Scientist job at ciandt posted?
This [Job 31517] Data Scientist position at ciandt was posted on Sep 4, 2026. Apply as soon as possible — early applications are often reviewed first.
[Job 31517] Data Scientist
ciandt
You'll be redirected to ciandt's official application page on Lever.