Senior Data Scientists - Logistics Optimization team

Helsinki, Finland
Data Science

For an online delivery platform like Wolt data science is a big opportunity. Our business has grown to a level (and keeps growing) where machine learning models for user acquisition, demand prediction, delivery time prediction, dynamic pricing, operations optimisation etc. can have a huge impact. A more effective delivery platform will benefit everyone in our ecosystem: our +90 000 courier partners, our merchants and our 10+ million consumers. We're looking for Senior Data Scientists to join our competence team of 15+ data science and analytics professionals in Helsinki or Berlin. 

 Our Data Scientists at Wolt are working with machine learning for the most important processes and parts of Wolt’s online delivery platform. The work consists of owning machine learning components as part of a product team; starting from identifying opportunities, to developing and prototyping a solution, all the way to maintaining and improving a production ready solution. We are using a variety of technologies and tools e.g. Python, SQL, Spark, Snowflake, AWS, Looker, Flyte, Seldon Core, Airflow, MLflow, Kafka, Jenkins, Kubernetes and Grafana to get the job done, and constantly looking for ways to improve how our data scientists work. 

You would work as an embedded Data Scientist in our Logistics Optimization team and focus on and own that specific area together with a team consisting of Route Optimization Algorithm and Service Developers, an Operations Researcher and fellow Data Scientists, Engineers and Designers. The data scientists are working on several time estimates for multiple different steps in the delivery process, which drive our task optimization that matches courier partners with tasks. One potential project would be to work on the next iteration of our pre-estimate system, which is the delivery estimate the customer sees before placing an order. This has a big impact towards our 10+ million customers' expectations of the Wolt experience. Different estimates are also used by the route optimizer itself, and as the estimate accuracy improves, our optimization will become more efficient. An important step in the process is designing experiments that measure the impact these estimates have to the optimization.

Our humble expectations

  • Plenty of hands-on experience with production level data science projects all the way from prototyping to maintaining and improving production ready solutions - i.e. ability to handle a use case end to end

  • Deep understanding and experience with machine learning and solid understanding of statistics 

  • Comfortable in working with real world data and it's different nuisances 

  • Knowledge of experimental design and analysis, and A/B testing

  • Degree in a field relevant to data science

  • Fluent programming skills in Python, which is our main language for data science projects and experience with databases (SQL). We expect you to be (or quickly become) comfortable with the required tools and technologies to be effective in handling a data science use case end to end.

  • Analytical and curious thinking, self starter with drive to get things done

  • Interest to contribute towards our Data Science team

  • We will value experience with optimization problems and with (near) real-time data science projects, and/or projects with strict computational and technical performance requirements.

Our offering to you  

You will be part of an analytics community, who identify themselves as Data Scientists, Data Analysts, and Business Intelligence Analysts. This means you will get a lot of peer support and sparring on your way to growing as a data professional.  

The online delivery platform that Wolt is building will offer you interesting and complex challenges but also opportunities to create a huge impact with your skills. Lots of geolocational and temporal data in real-time combined with differences in the economics and dynamics of the cities we operate in make Wolt both challenging and oh so interesting company to practice data science. You’ll get to work on actual business problems, see your models go into production, and have a measurable impact on Wolt’s growth journey.

You would get to work in a company culture where we take ownership beyond the obvious, do common things uncommonly well, we think big but stay humble, do right by people, we treat others kindly and justly, recognise that if we don’t learn, we won’t stay still but fall behind and keep in mind that Luke was Yoda’s greatest achievement. Read more about how we work.

Next steps

The compensation will be a negotiable combination of monthly pay and Wolt stock options. The latter makes it exceptionally easy to be excited about our company growing and doing well, as you'll own a piece of the pie. 

Due to our team's holidays, we will be going through the applications from 16.8 onwards. 🌴 

About Wolt

Wolt is a technology company that makes it incredibly easy to discover and get the best restaurants, grocery stores and other local shops delivered to your home or office. Wolt works together with over 30,000 restaurant and retail partners as well as with over 60,000 courier partners across 23 countries and 129 cities.

Our apps (iOS and Android) have the industry’s highest reviews, largely because of our customer-centric approach to how we build our products and operations. For example, our customer service team responds in a matter of seconds, in the customer’s own language.

We’ve raised more than €707M in financing from renowned U.S. and European based investors, such as ICONIQ Capital, Tiger Global, DST, Prosus, KKR, Coatue, 83North, Goldman Sachs, Highland Europe and EQT Ventures & EQT Growth, among others. We've also been fortunate enough to receive some appreciation and recognition for our hard work along the way: Apple selected Wolt’s app as their Editors' Choice, Wired named the company one of the "Hottest Startups in Europe," Forbes included our CEO Miki Kuusi on its 30-under-30 in Consumer Tech list, and the Nordic Startup Awards named Wolt Company of the Year.

In 2020, the Financial Times named us Europe’s second fastest growing company. We’re still expanding rapidly and are looking for more talented individuals to join us. If you are passionate about cutting-edge technology, great food, and making an impact in your city, then Wolt just might be for you.

Wolt is more than just a food and retail delivery operation – in fact we are built upon a solid foundation of state-of-the-art technology. Our internal tooling enables us to ramp up new cities efficiently and provide excellent customer service, our own logistics platform allows us to optimise our couriers' work to get you the food you want as fast as possible, and our restaurant platform allows restaurants to offer exciting food experiences for our customers in an optimal way.

We work in small teams with high ownership, with each team focusing on a key area of the Wolt product stack. Each and every one of our product team members has a say in where we are going and what solutions we implement. We work with a passion, but we haven't forgotten how to have fun along the way!

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