Senior Back-End Engineer

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Senior Back-End Engineer

At Katanox we're looking for a Senior Back-End Engineer to join our team.

Full-time · London

Meet Katanox

We are a B2B marketplace for travel buyers and accommodation suppliers. We have created one platform that offers two-way connectivity, direct partnership contracting and a proprietary fintech stack and yes, we reinvented how hospitality distribution is done.

If you are up for the next challenge, keep reading, we will be delighted to hear from you!

Our team

When you ask around, our team will tell you that we are solving big problems, we help each other, learn continuously and work together to achieve our goals. 

  • We are Agile and follow the LeSS framework. 

  • We develop with Kotlin, React & Typescript.

  • We deploy in AWS with Kubernetes. 

  • We monitor with Datadog.

This role is based in London. We are located in WeWork Paddington in London and in a beautiful office in Amsterdam (2 days per week in the office/co-working).

Why join us?

You will:

  • Get the chance to re-pipe room distribution and payments in hospitality
  • Help improve every stage of the travel transaction
  • Build highly scalable systems
  • Be part of and shape our culture as we grow

Day to day accountabilities

You will be expected to:

  • Architect new solutions and deliver maintainable and performant code.

  • Collaborate with your teammates to ship product features quickly and propose solutions to various challenges.

  • Collaborate with the Product and Engineering team in technical investigations.

  • Deploy code to production, monitor and solve any problems. In other words, own your code.

  • Mentor, share knowledge and best practices to enable growth of junior engineers

  • Evolve current product and build new product modules, solutions and features.

About you

  • You have at least 5 years of overall programming experience and 2 years of experience with a JVM language, preferably Kotlin or Java.

  • You have experience with design, development, testing, and monitoring of software.

  • You are able to write well defined unit/integration tests.

  • You have high sense of quality code and community best practices.

  • You understand data structures, algorithms and software design.

  • Fluency in English


  • Knowledge of Spring Boot with either Gradle or Maven

  • Knowledge of any database querying tool 

  • Experience of working with AWS

  • Working on B2B marketplace products 


  • Culture based on ownership, accountability and autonomy.

  • Ownership in the company (Stock Options Plan).

  • 25 days of holidays and flexibility in deciding when you want to use your bank holidays.

  • Flexible working time.

  • Office in Amsterdam and co-working spaces in London and New York.

*Note to recruiting companies: Acquisition based on this vacancy is not appreciated.

Apply for the job

Do you want to join our team as our Senior Back-End Engineer? We'd love to hear from you!