Software Engineer, Machine Learning

| Greater LA Area
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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 80% of US households with a fleet of more than 350,000 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
  • A Bachelor’s/Master’s degree (or higher) in a technical field (Computer Science, Statistics, Economics, Operations Research, Math, Physics, Engineering, etc.) or equivalent work experience required.
  • Minimum of 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 a competitive salary and equity plan, along with access to our 401k plan and robust benefits including: health benefits, flexible paid time off, parental benefits, and food perks.
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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

0.2 mile walk from downtown Santa Monica Expo Line stop (direct transit from downtown LA), 0.5 mile walk to beach, close to 3rd St Promenade shopping.

An Insider's view of Postmates Inc.

What's something quirky about your company?

We take a humanistic approach when designing our employee event programming to show the similarities that exist between cultures. We strive to build a community with a shared ethos of caring for our world and conceptualizing ways in which we can contribute to the betterment of it.

Suzette

Engagement & Culture Events Coordinator

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 puts emphasis on building connection and community, through both professional and personal interactions, to maintain our culture — and our mental wellness particularly in these difficult, unprecedented times. This including (now virtual) Happy Hours, Winesday on Wednesdays, cultural celebrations, volunteer events, and so much more.

Bianca

Software Engineer

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
Return-to-work program post parental leave
Vacation & Time Off Benefits
Unlimited Vacation Policy
Generous PTO
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
Perks & Discounts
Casual Dress
Commuter Benefits
Company Outings
Social team outings monthly
Stocked Kitchen
Some Meals Provided
At Postmates, every employee automatically receives a free Postmates Unlimited Membership, with a free $15 credit for meals on Monday, Tuesday, and Thursday each week.
Relocation Assistance
Fitness Subsidies
Professional Development Benefits
Job Training & Conferences
Tuition Reimbursement
Lunch and learns
Cross functional training encouraged
Promote from within
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