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Back-end Java Developer at RELEX (Helsinki, Finland)

RELEX is a fast-growing software company developing products that help retail companies plan and operate more efficiently. By accurately forecasting consumption of goods, we reduce inventory costs, increase availability and cut waste. Helping retailers eliminate food spoilage and reduce fleet emissions from transportation has a significant environmental impact as well!

We crunch huge amounts of data from the largest retailers in the world using our in-house-built in-memory database, which stores tens of billions of rows of data. We utilize a clustered deployment of the platform to achieve high availability and horizontal scalability.

The business logic code is the bread & butter of Relex Planning Cloud, in the business logic team we implement complex algorithms for improving forecast and replenishment for RELEX’s retail customers globally. The code runs on servers with over a hundred cores, so concurrency and parallelization are something that we put emphasis on using functional and immutable paradigms together with memory efficient data structures. As performance is a top-priority, we also use profiling and benchmarking on a daily basis.

We are looking for more developers to join our friendly, smart and humorous team. We are serious about what we do, but don’t take ourselves too seriously. We get excited when facing new challenges where we can put our skills to the test, but make sure to have fun doing it!

What you’ll be working on

You would become a member of the business logic product development team, working on the business logic parts of our software written in Java, Kotlin and Ruby. You would work on implementing and reviewing algorithms and data structures as well as profiling, optimizing and improving existing ones. You get to work closely with experts both in the field of supply chain and in software engineering.

What you’ll bring to the table

You have a genuine interest in implementing complex algorithms and solving non-trivial problems in a performant way and you also know what pros and cons different data structures have both when it comes to CPU and memory usage and how to measure it. Previous experience of working with large databases is also seen valuable, and you understand the importance of writing good covering tests. Being eager and open-minded to learn new things is of course seen as a big plus!

Our offer to you

We offer the ability to choose your own tools (Mac, Linux, you name it), smartphone and broadband connection benefits and lots of sporting options. Remote work and super flexible hours are normal for us! We have flexible career paths and a possibility to continuously develop your skills and roles inside the company and inside the team.

Even though RELEX is a well established company already, we recently got a major investment from TCV, which enables us to do even more cool things with solid financial background.

Every day, sub-optimal planning translates to mountains of food waste and excessive storage needs. Join us in combating this challenge. Apply today, we’ve made it fast and easy!

For questions contact our recruitment team by email or via WhatsApp +358 50 511 3793.

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