Backend Developer

Salary Competitive

Do you want to be a part of a fast-moving start-up with highly driven team members? Are you passionate about solving customer problems and providing value from problem to solution? If so, Hakio sounds like a place for you.

What do we do?

At Hakio, we have a dream to combat global waste in logistics, production, and consumption. We believe that this is only something we can achieve if we can break down barriers and work towards common goals across companies, industries, and markets. With our platform, we will help customers to be able to make better, faster, and more accurate decisions that can reduce overproduction and lost sales due to incorrect stock levels.

What do we offer?

  • Be a part of a cross-functional team with experienced developers, data scientists, and data engineers.

  • A fun and engaging start-up environment where we grow and celebrate wins together.

  • Build a valuable product where you learn about data science, ML, and the ins and outs of supply chain management.

  • Ability to work in a hybrid setup with a base in our office in Aarhus N.

  • Work in an international team and ability to have business trips abroad.

  • Competitive salary based on skills and experience.

  • Paid lunch, snacks, team events, etc.

Your responsibilities

  • Design, develop and maintain the API for our core web application, servicing data from integrations, our machine learning models etc.

  • Collaborate with the team to continuously deliver end-to-end customer value.

  • Work closely with our data scientists to optimize and effectively run our machine learning models.

  • Ensure optimal performance and quality of the platform.


  • Experience building and maintaining an API with a high focus on performance.

  • A desire to innovate and provide customer value.

  • Great communication and collaboration skills.

  • DevOps knowledge is preferable but not required.

Our tech stack


  • Python

  • Postgres

  • Docker

  • Auth0

  • (being phased out in favor of our own API made together with YOU)


  • Kubernetes

  • GCP (Terraform)

  • GitHub

  • GitHub Actions

  • Vercel


  • TypeScript

  • React

  • Next.js (prospecting switch to Remix)

  • MUI (prospecting switch to Tailwind)

We offer a dynamic and challenging work environment, with opportunities for professional growth and development. If you are passionate about software development and have a strong desire to deliver value through innovative solutions, we would love to hear from you!

Apply by attaching your resume and cover letter and you will hear from us.

For more information or questions please contact us at or phone number (+45) 26246448

Perks and benefits

This job comes with several perks and benefits

Flexible working hours
Flexible working hours

Free lunch
Free lunch

Free office snacks
Free office snacks

Free coffee / tea
Free coffee / tea

Work life balance
Work life balance

Maternity / paternity leave
Maternity / paternity leave

See all 18 benefits

Working at

Hakio was founded with a straightforward goal: to combat global waste through the development of advanced demand forecasting algorithms. Our team consists of highly skilled individuals from diverse backgrounds, all united by a common purpose to bring this vision to life. Within just 1.5 years, we've grown our team to 17 members. Our focus is on merging expertise in supply chain, data science, and software development to craft cutting-edge tools for data-driven decision-making. We offer a user-friendly SaaS solution that assists customers in optimizing their inventory levels using state-of-the-art forecasting algorithms, accessible through an interactive web platform. Together, we are committed to revolutionizing the field of demand forecasting and creating a lasting impact. Come join us on this exciting journey as we reshape the industry's norms!

Read more about Hakio

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