Senior Python Backend Engineer, Logistics Optimization



Helsinki, Finland
Full Time
3y ago

Company Description

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!


Job Description

We are looking for a backend engineer to join our ranks in the Logistics Optimization team. The Logistics Optimization team is a group of people consisting of data scientists, a C++ algorithm developer, and an operations researcher. The team works on developing and deploying ML models for estimating different parts of the delivery process as well as designing and running experiments to evaluate their performance. The company's in-house route optimizer is also owned by the team. Together, we are responsible for generating the delivery time estimates shown to consumers, and for making the task assignments for couriers.

The team is currently taking the next step in building out the logistics platform of the future, and we need your help in doing so. If you are someone with a strong Python backend experience interested in working closely with data scientists on our logistics system, then we would like to hear from you!

You would have a big impact as the first dedicated backend engineer in the team. You would be a key player in building a new service from scratch for running city-wide logistics experiments, helping data scientists integrate their new ML-based estimates, as well as setting up data pipelines between our backend and data warehouse.

This role can be based in one of our tech hubs in Helsinki or Berlin, or you can work remotely anywhere in Finland, Sweden, Germany, Denmark, and Estonia. Read more about our remote set-up here


  • Fluent programming skills in modern Python
  • Experience in setting up backend microservices
  • Docker and Kubernetes for containerization and orchestration
  • Familiarity with database technologies, such as MongoDB or PostgreSQL
  • Several years of experience building production-grade software
  • Analytical and curious thinking, self starter with drive to get things done
  • Comfortable working with real world data and its different nuisances 

Experience with the following technologies and languages is highly desired but not mandatory:

  • Kafka
  • Airflow
  • Scala

Additional Information

The position will be filled as soon as we find the right person, so please apply quickly! 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.
 If you want to check up on your application or have any further questions about the position, you can turn to Talent Acquisition Partner Noora Markoff, noora.markoff(at) 💙

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Onkar By: Onkar