Senior Python Backend Engineer, Logistics Optimization
- Full-time
- Department: Engineering
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 is not just a delivery app – we’re a technology company building a commerce platform to seamlessly connect our millions of customers with thousands of merchant and courier partners, in real-time across 23 countries and 250+ cities. Our apps (iOS and Android) have the industry’s highest ratings, largely thanks to our customer-first-mindset, which shows in how we build products and run operations. In June 2022 we officially joined forces with DoorDash. Combined, we have a presence in 27 countries, 23 of which operate with the Wolt brand and app. Wolt and DoorDash continue largely independently, with Wolt’s name, brand, product, technology and team.
Working in Product Development at Wolt
At Wolt, we’re about getting things done. You’ll probably enjoy it here if you like taking ownership, developing yourself and being around friendly, humble and ambitious people.
The behind the scenes of Wolt is run by an awesome bunch of over 400+ planners, builders, designers and data crunchers. We call ourselves Product+, as we’re the very core of Wolt’s products, tools and platforms. To build our products, we work in over 40 cross-functional, independent and autonomous teams. Teams are made up of a mix of talented individuals: engineers, designers, data scientists, analysts, and product leads. Each team takes ownership for solving customer problems in the best possible way.
Our Commitment to Diversity, Equity & Inclusion
We want to have all sorts of people in our team – people like you and me, and people different from you and me. To be able to work with diverse teammates – when it comes to gender, age, ethnicity, life background, sexual orientation, political views, religion, or any other personal trait – we consciously aim to offer equal opportunity for everyone to work with us. This is because we believe diverse teams make the most thought-through decisions and build things in the most inclusive way.
Join us today to build Wolt together!
Job Description
Logistics is one of the more complex parts of Wolt’s business and is a crucial building block of Wolt’s technology platform - our logistics platform is responsible for courier task allocation and generating delivery estimates that our customers, couriers, and merchants see. So, naturally, having a more efficient logistics platform would benefit everyone in our ecosystem: our courier partners, our merchants, and our customers! But we need an entire team to be able to do so and right now we’re looking for one more backend engineer with some mad Python skills to strengthen our ranks in the Logistics Optimization team! 🐍
The Logistics Optimization team is a group of people consisting of a backend engineer, data scientists, a C++ algorithm developer, and an operations researcher. The team works on developing and deploying machine learning 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 (so cool, right?)! Together, we are responsible for generating the delivery time estimates shown to consumers and for making the task assignments for couriers.
But just because there’s one backend engineer on the team already, this doesn’t mean that the role will be all about working on those CRUD endpoints! This backend role is quite an uncommon one and there’s some super interesting stuff to dabble in here: it involves a lot of science and difficult technical problems to solve, and you’ll end up working with our team’s Data Scientists and Operations Researchers to figure out how to improve our complex system, which is a unique challenge at our scale. 🤓 Needless to say, you would be a key player in building a new service from scratch for running Wolt-wide logistics experiments, helping data scientists integrate their new ML-based estimates into our central Python backend, as well as writing code for customer-facing A/B tests, and learning new stuff from the team’s backend engineer along the way.
So, if you are someone with a strong Python backend experience interested in working closely with data scientists on our logistics system and are ready to solve some exciting scientific problems, then be sure to drop us a line!
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.
Qualifications
Fluent programming skills in modern Python (version 3.9 and newer)
Experience in setting up backend microservices
Docker and Kubernetes for containerization and orchestration
Experience building complex systems (e.g. feedback loops) and production-grade software
Familiarity with database technologies, such as PostgreSQL
Analytical and curious thinking, self starter with drive to get things done
Comfortable working with real world data and it's different nuisances
Eagerness to learn and going beyond the comfort zone
Since the backend has mostly been written in Python (ofc) and Scala, previous experience and willingness to tinker in the backend with Scala and working with Kafka and or Terraform is seen as pro.
In addition to technical skills, we are looking for dedicated people who aim to write modern, testable and maintainable code, are detail oriented pragmatists with a positive attitude, don’t shy away from going outside of their tech comfort zone, and demonstrate curiosity and willingness to keep continuously learning.
Additional Information
If you didn't know it yet, we have a strong Python community at Wolt: around 100 of our engineers are actively using Python and sharing knowledge related to its rich ecosystem. Check out Wolt Tech Talks Youtube channel for recordings from our Python meetups and the Python-related blog posts in our engineering blog ✨
Overall our product organization consists of a team of over 400 people at Wolt. We aim to build none other than the best-in-the-world engineering team here. 💯
You’ll 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. 💙
Join us for an exciting journey! The compensation will be a negotiable combination of monthly pay and DoorDash equity. 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. 🙌
For any further questions about the position, you can turn to Talent Acquisition Associate Lina Muncyte at lina.muncyte(at)wolt.com.
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