Java Developer (Junior/Mid/Senior)

Zagreb, Croatia (Hybrid)


Update our Java

if your current position is not making you happy

(fintech experience appreciated)


Koios, IT company specializing in fintech and banking industry wants your (junior/mid/senior) skill stack:

  • Java17 or later
  • Spring Boot
  • ORM (Hibernate, Spring Data...)
  • SQL (Any will do)
  • HTML, CSS, JavaScript
  • Any front-end Framework (React, Vue, Angular)

Following skills will be considered a plus:

  • AWS, Azure, Google Cloud Platform or any other cloud computing service
  • NoSQL
  • Database Migrations (Liquibase, Flyway or any other)
  • Integrations via REST services

Using said skills you will:

  • Develop clean and scalable code using Spring Boot and/or Quarkus frameworks.
  • Write unit tests to ensure the quality of your code.
  • Stay current with new technologies, industry terminology, concepts, and best practices.
  • Participate in code reviews, either giving or receiving feedback.
  • Continuously revise, refactor, update, and debug your code as needed.
  • Test and deploy your work to production environments.
  • Use Git for version control and making commits.


What’s in it for you:

Long term job security. Our people have been here for years (some longer than 10).

Interesting, global reaching projects in the financial sector.

Project skipping options - if the one you are on is just not working, we’ll arrange a swap.

Professional development - you tell us what you want to learn, we find a way to accommodate you.

Running your own team - if you’ve got skills, we’ll give you the reins.

Monthly skill share and cross team experience swap.


Where will you be working:

From our cozy, well stocked offices, or your own home - or anything in between.

Along with 70 seniors looking to share their know how and help you grow.

In a company working with 7 major banks in the EU and looking to expand.

With interesting people who appreciate work-life balance and will help you find yours.


Ready for a job update?

Send us your info and start a new chapter ASAYC.

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