Backend Engineer - Reader Search & Recommendation

Copenhagen /
Engineering /
About Issuu
Issuu is one of the largest content publishing and distribution platforms in the world, with millions of pieces of content (marketing collateral, magazines, catalogs, brochures and more) added every year. 

At the heart of Issuu is the Issuu Story Cloud, a suite of advanced features designed to transform a single piece of content into assets for every online marketing channel, including mobile articles, email graphics, and social stories for Facebook, Instagram and Pinterest (and more). Create once, share everywhere with Issuu.

About the team
We're looking for a Backend Engineer to join our newly founded Search & Recommendation team. The team will grow and nurture search and content discovery on Issuu, enhancing the reading experience on Issuu by guiding readers towards content that is relevant for them, and by suggesting additional content to explore on

We are the right company for you, if you

    • Want to work on a product that matters to a lot of people – we handle hundreds of visits per second and host over 50M+ documents.
    • Want to take our search and recommendation engine under your wing by first understanding and then expanding capabilities offered to Issuu readers as well as our publishers.
    • Want to work closely with platform engineering to guide the building of the next generation of service and infrastructure.
    • Understand that maintenance is part of the job, and you want to help troubleshoot problems.
    • Seek a culture where all voices matter when it comes to shaping the future of the product.
    • Want to work with colleagues who have a ‘here to help’ attitude, and absolutely want to help you succeed.

What you bring with you

    • Desire for creating the best possible experience for the end user,
    • Background working with search and recommender systems
    • Experience designing and building robust, high-volume production systems in a scalable microservice architecture,
    • Experience in building, evaluating, maintaining and improving data-driven products at scale, which are real-time oriented,
    • Experience setting up and operating Elasticsearch.

A big plus would be

    • A background in applied machine learning.
    • Knowledge of near-real time stream processing and/or message-driven architectures (e.g. Spark, Storm, Aerospike, Kafka)
    • Experience with commercial machine learning systems and/or recommender systems.

Other things you should know are

    • We're currently working on Issuu’s Story Cloud both on web and mobile apps, machine learning for better understanding of our content, and our famous reading experience to mention a few examples,
    • We currently use Python, OCaml, Javascript/Typescript (client and server side), and our architecture is microservice-oriented using AMQP,
    • We deploy multiple times a day on AWS and use Kubernetes, MySQL/Postgres, Redis, Elastic Search, etc.,
    • We have many cross team guilds where we share knowledge, coordinate efforts, and help each other the best we can,
    • “20% time”-  everyone gets one day a week to invest as they see fit (i.e. learn something new, experiment with new ideas in the product, join efforts with others, improve what you think matters, ...).

The impact you will have on our customers

    • Contributing to the growth of a mature- and steadily growing company.
    • Delivering results that create value for the end users, while we ensure a high-performance, high-availability, robust product that scales with our traffic (10.000+ requests/second ) and data-heavy platforms (100+ terabytes).

What you'll get

    • Competitive compensation package,
    • Meaningful equity in a profitable growth-stage company,
    • Health and dental insurance,
    • Flat structure – every opinion matters regardless of team or position
    • ​​Delicious daily lunch, snacks, fruits and drinks, and awesome monthly Friday bars hosted by the teams.
The real reason to join Issuu is not all these perks, it’s our unique company culture that delivers the leading results in our industry - we ensure that by holding true to our company values of Care, Grit and Learning. Be yourself and thrive!

Founded in 2006 and headquartered in Palo Alto, with offices in Copenhagen, Berlin and Braga, Issuu is profitable, growing fast, and expanding our team across many departments. If you are a collaborative and ambitious professional looking to join a community that: deeply cares about our users and colleagues, has a growth mindset, sees and embraces challenges as a means for continuous improvement, and takes accountability to have a phenomenal impact, apply today!

Issuu is an equal opportunity employer. We are committed to providing reasonable accommodations and will work with you to meet your needs. If you are a person with a disability and require assistance during the application process, please don’t hesitate to reach out! We celebrate our inclusive work environment and welcome members of all backgrounds and perspectives.