Software Engineer, Machine Learning

| Bellevue
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WHO WE ARE

Postmates enables anyone to have just about anything on-demand. We pioneered the on-demand space and currently serve 4200+ cities with a fleet of more than 500,000 Postmates and the largest network of merchants in the US. We’re changing the landscape of commerce by making cities our warehouses, providing the delivery infrastructure, and connecting our customers to any product, anywhere, anytime. Postmates isn’t just an app, it’s a way of life and a part of pop culture. We are the O.G. of on-demand and we’ve given people a new superpower — the ability to Postmate anything from anywhere. We’re building a movement to make Postmates a verb: Postmate it.

WHAT WE DO

Postmates relies heavily on our engineering team to realize this vision. Building a software platform that is reliable, scales, and stays agile under demanding product needs is a serious technical challenge. Postmates is a three-part balancing act connecting customers, merchants, and couriers in real-time. If any piece is out of whack, the whole system suffers. Working with the Postmates engineering team offers an opportunity with explosive growth, cutting-edge technology, a highly visible charter, and a cool user-focused product vision.

In this role, you’ll have the opportunity to work on various challenging machine learning and optimization problems in real-time and in scale, including:

  • Modeling and forecasting demand and supply to enable more intelligent matching, optimize the overall marketplace efficiency, and provide valuable insights to our merchants and Postmates
  • Large scale Machine Learning algorithms and infrastructure that powers our Search Ranking models and Personalized Recommendation Engine
  • Predicting the Postmates Delivery Time (PDT) and improving the efficiency (batching, chaining, etc) and reliability of the dispatching algorithm
  • Determining the optimal pricing strategies to help our Postmates maximize their revenue
  • Identifying suspicious transactions and malicious users for risk control
  • Natural Language Processing to understand text content on Postmates platform, including named entity resolution and recognization of reviews, descriptions and interactions between users on our marketplace
YOUR RESPONSIBILITIES
  • Build end-to-end ML systems of designing, training, testing and deploying Machine Learning models
  • Write production-level codes to train your ML models into working pipelines and services to serve production online traffic
  • Have the ability to apply machine learning to solve complex business problems and optimize critical business metrics, and work closely with Product Managers and Data analysts to frame Machine Learning problems within the business context
  • Analyze experimental and observational data, communicate findings, and facilitate launch decisions
  • Participate in code reviews to ensure code quality and distribute knowledge
OUR REQUIREMENTS
  • B.S., M.S. or Ph.D. in Computer Science or related technical field
  • 3+ years of professional experience in Data Science or Applied Machine Learning required 
  • Solid engineering and coding skills with the ability to write high-performance production quality code
  • Good understanding of common families of machine learning models, feature engineering, feature selection and other practical machine learning issues, such as overfitting
  • Strong communication skills. Explaining complex technical concepts to product managers, data analysts, and other engineers shouldn’t be a problem for you.
OUR PREFERRED QUALIFICATIONS
  • Industry experience building and productionizing innovative end-to-end Machine Learning systems
  • Experience in Java, C++, Go, Python, Scala and other equivalent languages
  • Experience with MapReduce, Spark, Hive, HBase, Airflow, Google BigQuery, BigTable, and Dataflow
  • Experience with ML frameworks like Tensorflow, PyTorch, Spark MLlib, XGBoost, and Scikit-Learn
YOUR BENEFITS

Postmates has your back. In our impact-first work environment, we value huge company vision. As you strive to build the future with us, we’ll support you with: 

  • Competitive salary and generous stock option plan.
  • Access to the Postmates 401(k) plan.
  • 100% coverage for employees medical, dental, and vision insurance.
  • 95% coverage for dependents medical, dental, and vision insurance.
  • Pre-tax Flexible Spending Account (FSA) for qualified out-of-pocket health care costs.
  • Flexible time off policy under which Postmates will not limit paid time off for vacations or to handle personal affairs. (Salaried US Employees)
  • 16 days paid time off and 7 days paid sick leave (Hourly US Employees; amount of paid sick leave depends on state).
  • 3 days paid time to volunteer through CivicLabs and positively impact the communities we serve.
  • Generous parental leave including flexible transition plans, Postmates meal credit, and subsidized access to the Milk Store, Urban Sitter, and Concern.
  • Free and confidential counseling resources through an Employee Assistance Program.
  • Pre-tax Commuter Benefits for parking or transit fees.
  • A free subscription to Postmates Unlimited.
  • Catered lunches, open snack bar, and subsidized Postmates Pickup meals.
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Technology we use

  • Engineering
    • C++Languages
    • GolangLanguages
    • JavaLanguages
    • JavascriptLanguages
    • KotlinLanguages
    • PythonLanguages
    • SwiftLanguages
    • ErlangLanguages
    • FluxLibraries
    • ReactLibraries
    • ReduxLibraries
    • PyTorchLibraries
    • Scikit-LearnLibraries
    • ConsulLibraries
    • VaultLibraries
    • DjangoFrameworks
    • HadoopFrameworks
    • Node.jsFrameworks
    • SparkFrameworks
    • TensorFlowFrameworks
    • DockerFrameworks
    • KubernetesFrameworks
    • TerraformFrameworks
    • CassandraDatabases
    • HiveDatabases
    • MongoDBDatabases
    • PostgreSQLDatabases
    • RedisDatabases
    • DjangoDatabases
    • DynamoDatabases
    • BigQueryDatabases
    • DynamoDBDatabases
    • DruidDatabases

Location

Located in the heart of downtown Bellevue, our office enjoys a sweeping view of Lake Washington with plenty of shopping and restaurants nearby.

An Insider's view of Postmates Inc.

What's something quirky about your company?

One thing that makes me proud to be a part of Postmates, is our program FoodFight. It is a Postmates driven partnership with local shelters that makes sure leftover food from restaurants makes its way to a shelter and feeds those who are hungry. We care immensely about the communities that we serve, and FoodFight is one way that we show it!

Rahul

Server Engineer

What's the biggest problem your team is solving?

Our Security team ensures our users, merchants, and Postmates info is safe. We develop and deploy mitigations to eliminate the potential for vulnerabilities that pose a security risk. Driving these projects from start to finish and seeing the impact of our work is extremely rewarding.

David

Security Engineer

How does the company support your career growth?

I once read that “growth and comfort don’t coexist” and Postmates lives by it. From day one at Postmates, I felt challenged and have been given projects that impact the business. I’ve had to flex technical muscles that I have never used and it’s exciting because I’m developing into a more well-rounded engineer which only enhances my career growth.

Juan

Software Engineer

How do you empower your team to be more creative?

Instead of assigning work/tasks to my team, we operate by having the team identify what they think are the problems that we need to be solving today, and how that will scale or change over the next few years then align those with company priorities. This forces my team to be more creative in how they approach their work on a day to day basis.

Aabhas

Infrastructure Lead

What are some social events your company does?

Postmates is a fun place to work. We hold various social events throughout the year, both locally in Bellevue and at the San Francisco HQ. Last year, we held a team event at Golden Gate Park, movie nights and happy hours in SF, as well as a hike and Christmas party in Bellevue. Looking forward to more fun events this year!

Ken

Data Scientist

What are Postmates Inc. Perks + Benefits

Culture
Volunteer in local community
At Postmates, we believe we have a shared responsibility to create positive change in our communities and society at large. Check out our Social Impact report: social-impact.postmates.com
Partners with Nonprofits
Friends outside of work
Eat lunch together
Intracompany committees
Daily stand up
Open door policy
Team owned deliverables
Team based strategic planning
Group brainstorming sessions
Open office floor plan
Health Insurance & Wellness Benefits
Flexible Spending Account (FSA)
Disability Insurance
Dental Benefits
Vision Benefits
Health Insurance Benefits
Postmates covers 100% for full-time employees and dependents on most medical plans, dental, and vision.
Life Insurance
Wellness Programs
In addition to health club discounts, Postmates provides a PhysioStrength wellness portal with live virtual classes and videos helping employees with their health, wellness, and fitness needs.
Retirement & Stock Options Benefits
401(K)
Company Equity
Child Care & Parental Leave Benefits
Child Care Benefits
Postmates provides Dependent Care FSA that covers eligible child care expenses.
Generous Parental Leave
Postmates provides all full-time employees up to 16 weeks of paid time off for new parents.
Flexible Work Schedule
Remote Work Program
Family Medical Leave
Adoption Assistance
Return-to-work program post parental leave
Company sponsored family events
Vacation & Time Off Benefits
Unlimited Vacation Policy
Paid Volunteer Time
Our employees receive 24 hours per year of paid volunteer time. Check out our Social Impact report: social-impact.postmates.com
Paid Holidays
Paid Sick Days
Employees receive 56 hours per year of paid sick leave.
Perks & Discounts
Casual Dress
Commuter Benefits
Company Outings
Free Daily Meals
Stocked Kitchen
Some Meals Provided
Recreational Clubs
Relocation Assistance
Fitness Subsidies
Professional Development Benefits
Job Training & Conferences
Tuition Reimbursement
Lunch and learns
Cross functional training encouraged
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