Java Developer

Location: Warszawa

Instantor is a Swedish FinTech company founded in 2010 with Headquarters in Stockholm and development office in Zagreb and newly created dev hub in Warsaw. Our products are used 24/7 in 3 continents with high demands on availability and security and we are all passionate about delivering high-quality products to our customers. As someone put it “Working at Instantor is a lifestyle, not a job”

We are looking for an experienced Java Developers who will join a team from the start and really make an impact on how the team and products take shape.



  • Design and develop high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance.
  • Create well designed, testable, efficient simple and clear code.
  • Participate in all phases of the development lifecycle.
  • Assist in preparation and production of releases of software components.
  • Ensure designs are in compliance with specifications.
  • Investigate alternatives and technologies and present them for architectural review, in order to support continuous improvement.



  • 2+ years of experience working as Java Developer with Simple & Clean coding practice.
  • Practical knowledge of frameworks: Spring Boot, Selenium
  • Knowledge of some of storage: Postgres, Redis, Hazelcast, ElasticSearch, S3, Kafka.
  • Usage of some of these tools: Maven, Gradle, GitHub, CircleCI, YouTrack, Confluence.
  • Ability to work with: AWS, Docker, Kubernetes, Terraform.
  • DevOps mindset.
  • Experience with Microservices.

In addition you would need to comfortably communicate in English and be a team player.


We offer:

  • Benefits of your choice - incl. private healthcare, sport activities, additional insurance and so on.
  • Real development budget of €2K annual for you to spend of certification, books, workshops, trainings
  • Great working space at WeWork with all its amenities.

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