IDT Corporation

Data Scientist

IDT Corporation  •  Federative Republic of Brazil (Onsite)  •  17 days ago
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Job Description

IDT Corporation is a global communications company founded in 1990 and headquartered in Newark, New Jersey. We are industry leaders in prepaid communication and payment services and one of the largest international voice carriers. We are listed on the NYSE, employ over 1800 people across 20 countries, and have
over $1.5 billion in revenues.
IDT is not ”another big IT corporation”— we encourage and support in-house entrepreneurs in developing their ideas into business actions.
We are looking for a highly technical Data Scientist to join our established Analytics department. This is a modeling-heavy role focused on building high-performance, reproducible machine learning systems that drive core business decisions. You will join an existing Analytics and Data Science department, and partner with IDT’s new AI Lab to push models into production.

Responsibilites:

  • Production-Grade Modeling: Design, develop, and maintain reproducible
  • machine learning models for production environments.
  • Behavioral Forecasting: Build advanced models to predict user engagement
  • patterns, including retention and activity frequency.
  • Optimization & Causal Inference: Develop Uplift models to measure the
  • incremental impact of business interventions.
  • Recommendation Systems: Improve and scale next-best-action (NBA) engines
  • to enhance personalized user experiences.
  • Experimental Design: Lead the statistical design and analysis of A/B testing to
  • validate model performance and business hypotheses.

Requirements

  • Experience: 3+ years of professional experience in Data Science, with a deep understanding of Supervised/Unsupervised learning including Regression, Boosting, Clustering, and related frameworks.

  • Core Stack:
  • Python: Advanced use of Pandas, Numpy, and Scikit-learn for complex feature engineering, model selection, and pipeline optimization.
  • SQL: Proficiency in querying and structuring data from large-scale databases.
  • Visualization: Ability to leverage Tableau to communicate complex analytical results through interactive dashboards and data storytelling.
  • Education: Bachelor’s degree in a quantitative field (Computer Science, Statistics, Mathematics, or related).

What we offer:

  • Remote work opportunity!
  • B2B Employment ($, gross).
  • Stable job with long-term growth perspective.
  • Competitive salary with annual performance review.
  • Really good hardware.
  • An exciting and challenging job with talented people around.
  • Continuous learning and career growth opportunities.
  • Compensation for professional training, seminars, and conferences.
  • Referral program – get rewarded for helping us grow the team with talented people.
  • Company-supported English classes to enhance your professional growth.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such
as reviewing applications, analyzing resumes, or assessing responses. These tools
assist our recruitment team but do not replace human judgment.
PLEASE SUBMIT CV IN ENGLISH.
Only accepting candidates from LATAM
IDT Corporation

About IDT Corporation

We know that you’ll have looked at quite a few company pages but IDT is different. We want people who want to make a big difference to our company with big ambitions. We’re a truly global team, with 1300 people working across all continents, apart from (at the moment!) Antarctica. But we are proud that despite our size, we encourage and support any in-house entrepreneurs to develop their ideas into business action. Our exciting growth plans make it a great time to join us.

Our people are the reason for IDT’s passion for success. The IDT family is made up of people of all backgrounds, expertise, and interests, all with a relentless team spirit. We need people who share both our commitment to success and excitement about our journey. You won’t ever be bored or have to wonder how to fill your time. You’ll find the work challenging but you’ll get the support of a great team to help you beat those challenges. You will also be expected to support others as well as work hard, work well and work with a smile.

If you want a join a company that will help you become your brilliant best and achieve amazing results, then you want to join IDT.

Industry
Telecommunications
Company Size
1,001-5,000 employees
Headquarters
Newark, NJ
Year Founded
Unknown
Website
idt.net
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