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Senior Machine Learning Engineer

    • Rio de Janeiro & Sao Paulo
  • Group Finance & Business Intelligence

Job description

We are...

An innovative company committed to redefining sports media, daily fantasy, and sports wagering for fans worldwide. As a leader in the iGaming media field, we focus on ensuring a transparent and secure space for sports betting through advanced technologies and expert insights. We offer a dynamic environment for sports enthusiasts and teamwork lovers alike, where your passion can shine and make work both meaningful and enjoyable. With a focus on collaboration, fun, and inclusivity, we invite you to join us on this exciting journey!

You are…

A Senior Machine Learning Engineer passionate about building and deploying data-driven products that power real business impact. You bring deep expertise in machine learning and software engineering, and you're eager to work alongside data scientists, MLOps engineers, and stakeholders across the business to solve complex problems at scale. You enjoy designing ML systems that are not only predictive but production-ready, scalable, and maintainable. You thrive in fast-paced environments, are detail-oriented, and are driven by delivering measurable results through applied ML.

You will…

  • Design and build production-grade machine learning systems that support personalization, user engagement, fraud detection, or customer lifetime value modeling.

  • Own the entire ML lifecycle from prototyping to deployment, working closely with MLOps and data engineering to ensure robust and scalable infrastructure.

  • Apply advanced modeling techniques (regression, classification, time series forecasting, etc.) using structured and unstructured data.

  • Develop and maintain robust data and feature pipelines, supporting real-time and batch inference.

  • Benchmark model performance and lead experiments to optimize predictive power, fairness, and business value.

  • Document your work clearly and concisely to ensure reproducibility and facilitate collaboration across teams.

  • Leverage tools like MLflow to manage experiments, model versioning, and deployment.

  • Partner with stakeholders across product, engineering, and analytics to translate business needs into machine learning solutions.

  • Actively contribute to the technical excellence of the team by reviewing code, sharing knowledge, and promoting best practices.

Hiring Model: PJ

Job requirements

Must have…

  • A B.S. or M.S. in computer science, statistics, data science, engineering, mathematics, or a related field.

  • 4+ years of experience working in applied machine learning or data science roles, with a strong focus on production deployment.

  • Proficiency in Python and core ML libraries (Scikit-learn, XGBoost, PyTorch/TensorFlow, etc.).

  • Strong SQL skills and comfort working with data warehouses like AWS Redshift, and solutions like PostgreSQL, MS Server, etc.

  • Experience building and maintaining robust data pipelines and features for ML workflows.

  • Solid understanding of supervised and unsupervised ML algorithms, model evaluation techniques, and common pitfalls.

  • Familiarity with MLflow or similar frameworks for experiment tracking and model lifecycle management.

  • Comfort with Git-based workflows and CI/CD integration for ML.

  • Strong collaboration and communication skills in English.

  • Curiosity, humility, and a drive to continuously improve yourself and the products you build.

Nice to have:

  • Experience with AWS services such as S3, Lambda, SageMaker, ECR, and CloudWatch.

  • Exposure to tools in our tech stack: MLflow, Airflow, dbt, Tableau, GitHub, PostreSQL.

  • Understanding of MLOps best practices (monitoring, drift detection, retraining pipelines).

  • Previous experience in the iGaming, sports betting, or digital media industries

or

Hybrid
  • Rio de Janeiro & Sao Paulo, Brazil

Why join Better Collective?

At Better Collective, we pride ourselves on fostering a workplace where talent thrives and collaboration flourishes. We are committed to nurturing a learning environment where your growth is a priority. Imagine working alongside a dream team of talented individuals who not only bring their skills to the table but also complement each other. You’ll have ample opportunities to learn on the job from talented colleagues eager to share their knowledge, taking on responsibilities that challenge and inspire you.

Guided by our core values of respect, integrity, ambition, and collaboration, we strive to maintain an inclusive and safe space for all employees. Our culture is built on support and camaraderie. Here, you’ll find caring colleagues who unite over shared passions and ambitions, creating a supportive environment where everyone can succeed together. We believe in having fun while achieving great things, ensuring that work is both enjoyable and rewarding.

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About Better Collective

We are a global sports media group headquartered in Copenhagen, thriving in a vibrant international environment with more than 1,600 talented professionals working in offices across four continents and representing over 30 nationalities. Our dedicated employees drive our ambition to conquer the sports media world and become the leading digital sports media group. We are home to renowned international and national sports media brands such as HLTV, Futbin, Action Network, VegasInsider, Bolavip, SvenskaFans, Tipsbladet, Betarades, and more. Our mission is to excite sports fans through engaging content and foster passionate communities worldwide.

For those who love sports, Better Collective offers the opportunity to work on something you are passionate about, making work both purposeful and enjoyable. Even for those not into sports, the strong sense of sportsmanship woven into our organization and core values creates a collaborative and fun environment.

Better Collective is dual-listed on Nasdaq Stockholm (BETCO) and Nasdaq Copenhagen (BETCO DKK). 

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We are an equal opportunity employer

We strongly believe diversity gives us the edge and we are committed to creating a safe working environment where employees can thrive. By embracing our diverse perspectives and experiences, our teams collaborate to innovate and deliver superior sports content and products. We hire for cultural growth and welcome everyone, regardless of background,  ethnicity, age, religious and political beliefs, sexual orientation, gender identity, disability, and other characteristics.

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