Senior Software Engineer, Machine Learning

DoorDash, Inc.; San Francisco, New York, Seattle (CA, NY, WA); Hybrid; USD 168,000 - 247,000; Full time

Benefits offered by this job

Equity grants

401(k) plan with employer matching

Parental leave

Wellness benefits

Paid time off

Medical, dental, and vision benefits

Job summary

DoorDash, Inc. is seeking a Senior Software Engineer, Machine Learning to drive ML improvements for the catalog system and product knowledge graph. You will own projects end-to-end, mentor junior engineers, and collaborate with multi-disciplinary teams in a hybrid environment reporting to an Engineering Manager.

You will develop scalable ML models, manage offline and online phases, and deploy solutions with ongoing monitoring and measurement across the business.

Qualifications

• MS or PhD in a technical field such as CS, mathematics, statistics, physics or equivalent.
• 5+ years of ML industry experience with solid understanding of ML algorithms and fundamentals.
• Experience building data/feature engineering pipelines at scale using PySpark and Snowflake SQL.

Responsibilities

• Own end-to-end ML lifecycle: ideation, offline training, online shadowing/deployment, experimentation, monitoring.
• Design and implement advanced ML models to improve core catalog system and product knowledge graph.
• Mentor junior and mid-level engineers and collaborate with cross-functional teams.

Skills

Machine learning algorithms

End-to-end ML lifecycle

Collaborative work

Education

MS or PhD in computer science / math / stats / physics or equivalent

Tools

PyTorch

Keras

LightGBM

scikit-learn

Spark ML

PySpark

Snowflake SQL

Job description

About the Role

As a Senior Software Engineer, Machine Learning, you’ll be conceptualizing, designing, implementing, and validating algorithmic improvements to the catalog system and our product knowledge graph at the heart of our fast-growing grocery and retail delivery business. You will use our robust data and machine learning infrastructure to implement new ML solutions to make our product knowledge graph accurate, standardized, semantically rich, easily discoverable, and extensible. We’re looking for someone with a command of production-level machine learning and experience with solving end-user problems who enjoys collaborating with multi-disciplinary teams. We expect Senior Engineers to be able to own projects end-to-end and mentor their junior and mid level peers. This role is hybrid with some in-office time expected and will report to an Engineering Manager.

You’re excited about this opportunity because you will develop advanced machine learning models to improve core parts of your teams scope. Be responsible for the end-to-end ML lifecycle, including ideation, offline model training, online shadowing/deployment, experimentation, and post-launch monitoring/measurement. Work on creating novel ML & AI solutions that push both our business and the industry forward. Scale our systems and services to fuel the growth of our business. Completely disrupt logistics by tackling bleeding-edge, technical problems.

We’re excited about you because:

M.S., or PhD. in a technical field such as computer science, mathematics, statistics, physics or equivalent.
5+ years ML industry experience with a solid understanding of machine learning algorithms and fundamentals.
Proficiency in using AI coding tools (e.g., Claude Code, Codex, Cursor) in the full software development lifecycle, including designing, generating code, testing, monitoring and releasing software.
Experience building data/feature engineering pipelines at scale using Pyspark and Snowflake SQL.
Experience with building machine learning systems in production by using frameworks such as PyTorch, Keras, lightgbm, scikit-learn, Spark ML, or related.

Compensation

The successful candidate’s starting pay will fall within the pay range listed below and is determined based on job-related factors including, but not limited to, skills, experience, qualifications, work location, and market conditions. Base salary is localized according to an employee’s work location. Ranges are market-dependent and may be modified in the future. In addition to base salary, the compensation for this role includes opportunities for equity grants.

The national base pay range for this position within the United States, including Illinois and Colorado: $167,800 - $246,800 USD.

Benefits

DoorDash cares about you and your overall well-being. That’s why we offer a comprehensive benefits package to all regular employees, which includes a 401(k) plan with employer matching, 16 weeks of paid parental leave, wellness benefits, commuter benefits match, paid time off and paid sick leave in compliance with applicable laws (e.g. Colorado Healthy Families and Workplaces Act). DoorDash also offers medical, dental, and vision benefits, 11 paid holidays, disability and basic life insurance, family-forming assistance, and a mental health program, among others.

See below for paid time off details:

For salaried roles: flexible paid time off/vacation, plus 80 hours of paid sick time per year.
For hourly roles: vacation accrued at about 1 hour for every 25.97 hours worked (e.g. about 6.7 hours/month if working 40 hours/week; about 3.4 hours/month if working 20 hours/week), and paid sick time accrued at 1 hour for every 30 hours worked (e.g. about 5.8 hours/month if working 40 hours/week; about 2.9 hours/month if working 20 hours/week).

About DoorDash

At DoorDash, our mission to empower local economies shapes how our team members move quickly, learn, and reiterate in order to make impactful decisions that display empathy for our range of users—from Dashers to merchant partners to consumers. We are a technology and logistics company that started by enabling door-to-door delivery, and we are looking for team members who can help us go from a company that is known as the place you order food to a company that people turn to for any and all goods. DoorDash is growing rapidly and changing constantly, which gives our team members the opportunity to share their unique perspectives, solve new challenges, and own their careers. We're committed to supporting employees’ happiness, healthiness, and overall well-being by providing comprehensive benefits and perks including premium healthcare, wellness expense reimbursement, paid parental leave and more.

Our Commitment to Diversity and Inclusion

We’re committed to growing and empowering a more inclusive community within our company, industry, and cities. That’s why we hire and cultivate diverse teams of people from all backgrounds, experiences, and perspectives. We believe that true innovation happens when everyone has room at the table and the tools, resources, and opportunity to excel.

Statement of Non-Discrimination: In keeping with our beliefs and goals, no employee or applicant will face discrimination or harassment based on: race, color, ancestry, national origin, religion, age, gender, marital/domestic partner status, sexual orientation, gender identity or expression, disability status, or veteran status. Above and beyond discrimination and harassment based on “protected categories,” we also strive to prevent other subtler forms of inappropriate behavior (i.e., stereotyping) from ever gaining a foothold in our office. Whether blatant or hidden, barriers to success have no place at DoorDash. We value a diverse workforce – people who identify as women, non-binary or gender non-conforming, LGBTQIA+, American Indian or Native Alaskan, Black or