Senior Machine Learning Engineer, FinTech

National Geographic; Boston (MA); On-site; USD 134,000 - 168,000; Full time

Job summary

DraftKings in Boston is seeking a Senior Machine Learning Engineer to design, build, and scale production-grade data and ML pipelines that drive measurable business outcomes. You’ll partner with data scientists, engineers, and product managers to build systems that are well-structured, observable, and scalable.

The team focuses on fraud, payment risk, and abuse, enabling explainable and reliable decision-making across financial and operational flows.

Qualifications

• 3+ years of experience writing production Python applications and working with structured data (SQL and data modeling).
• Strong software engineering fundamentals — object-oriented design, testing, and version control.
• Familiarity with ML Ops frameworks such as model registry, orchestrations, and feature stores.

Responsibilities

• Design, build, and maintain ETL and feature engineering pipelines that power risk and payment applications.
• Develop production ML systems, from training and evaluation through deployment and monitoring.
• Partner with data scientists to productionize models that integrate into DK’s decisioning systems.
• Build reliable, well-tested data workflows — from SQL-based feature transformations through model training and deployment.
• Establish observability and monitoring for data quality, model drift, and service reliability.
• Participate in code reviews, design discussions, and incident response, helping to maintain strong engineering practices.
• Mentor junior engineers and contribute to shared tooling, documentation, and process improvements across the DS organization.
• Support on-call rotations and post-incident reviews to ensure continuous system improvement.

Skills

Python

SQL

OO design

Testing

Version control

ML Ops

Education

Bachelor's degree in CS/ML or related

Master’s degree preferred

Tools

Model registry

Orchestration tools

Feature stores

Job description

At DraftKings, AI is becoming an integral part of both our present and future, powering how work gets done today, guiding smarter decisions, and sparking bold ideas. It’s transforming how we enhance customer experiences, streamline operations, and unlock new possibilities. Our teams are energized by innovation and readily embrace emerging technology. We’re not waiting for the future to arrive. We’re shaping it, one bold step at a time. To those who see AI as a driver of progress, come build the future together.

The Crown Is Yours As a Senior Machine Learning Engineer

You’ll design, implement, and scale production-grade data and machine learning pipelines that drive measurable business outcomes. You’ll partner closely with data scientists, engineers, and product managers to build systems that are well-structured, observable, and scalable. The Fintech Data Science team builds and maintains systems that protect DraftKings and its customers from fraud, payment risk, and abuse. Our mission is to enable explainable and reliable decision‑making across all financial and operational flows — from registration and deposits, to gameplay and withdrawals.

What you’ll do

• Design, build, and maintain ETL and feature engineering pipelines that power risk and payment applications.
• Develop production ML systems, from training and evaluation through deployment and monitoring.
• Partner with data scientists to productionize models that integrate into DK’s decisioning systems.
• Build reliable, well-tested data workflows — from SQL-based feature transformations through model training and deployment.
• Establish observability and monitoring for data quality, model drift, and service reliability.
• Participate in code reviews, design discussions, and incident response, helping to maintain strong engineering practices.
• Mentor junior engineers and contribute to shared tooling, documentation, and process improvements across the DS organization.
• Support on-call rotations and post-incident reviews to ensure continuous system improvement.

What you’ll bring

• 3+ years of experience writing production Python applications and working with structured data (SQL and data modeling).
• Strong software engineering fundamentals — object-oriented design, testing, and version control.
• Familiarity with ML Ops frameworks such as model registry, orchestrations, and feature stores.
• Experience building or maintaining data and feature pipelines in a data-heavy environment.
• Understanding of the ML lifecycle, including feature engineering, training, and model serving.
• Ability to debug production issues across data, model, and infrastructure layers.
• Strong collaboration and communication skills; able to translate technical solutions into operational outcomes.
• Bachelor’s degree in Computer Science, Machine Learning, or a related technical field (Master’s preferred).

Join Our Team

We’re a publicly traded (NASDAQ: DKNG) technology company headquartered in Boston. As a regulated gaming company, you may be required to obtain a gaming license issued by the appropriate state agency as a condition of employment. Don’t worry, we’ll guide you through the process if this is relevant to your role. The US base salary range for this full‑time position is 134,400.00 USD - 168,000.00 USD, plus bonus, equity, and benefits as applicable. Our ranges are determined by role, level, and location. The compensation information displayed on each job posting reflects the range for new hire pay rates for the position across all US locations. Within the range, individual pay is determined by work location and additional factors, including job‑related skills, experience, and relevant education or training. Your recruiter can share more about the specific pay range and how that was determined during the hiring process.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. DraftKings Inc. (Nasdaq: DKNG) is a digital sports entertainment and gaming company. It’s simple, at DraftKings, we believe life’s more fun with skin in the game. For that reason, we’re committed to responsibly creating the world’s favorite games and betting experiences. Headquartered in Boston, with offices around the globe, we believe we can continue to define what it means to be a technology company in sports entertainment. We love what we do, and think you will too.