Senior Back-End Developer
with Java / Kotlin

Full time

Appolica is a leading mobile app agency working with start-ups and established brands like KBC, Tide, Football Index, PostBank, OnTheMarket, AT&T, etc.

We work together with our clients to build compelling apps that provide lasting engagement with their customers. Our deep understanding of mobile technology enables us to bring a level of expertise to our clients like no one else.


  • Write clean code to develop REST APIs applications.
  • Troubleshoot and debug applications
  • Work in an Agile environment with small self managed team (squad) following the Spotify Model
  • Participating in architectural discussing for building the most appropriate solution
  • Collaborate with other team members for deploying and monitoring backend applications
  • Work with the product team for discovering and clarifying requirements
  • Be an active part in suggesting the most effective implementation of a feature
  • Participate and contribute in the continuous improvement of our delivery process.
  • Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
  • Develop highly scalable services
  • Develop and maintain pipelines for CI/CD (Jenkins, Gitlab, Bitbucket pipelines or similar)


  • Have at least 5 years of experience in Java developing RESTful and other backend applications using Spring Boot or similar framework.
  • Have experience using Kotlin in professional environment
  • Have an understanding of Docker and containerisation
  • Have a good understanding and practical experience in working using TDD
  • Experience working with Relational Databases and ORMs
  • Experience working with NO-SQL Databases
  • Good understanding of Design and Architecture Patterns
  • Strong focus on app performance
  • The ability to effectively collaborate with various teams, providing the most useful guidance in an enthusiastic and inspiring manner
  • Solid organisational skills including attention to detail and multitasking skills
  • Working experience with Git.
  • Good understanding of object oriented principles.
  • Desire to build quality software and a mindset to continuously challenge yourself
  • Excellent written and verbal English communication skills

Nice to have:

  • Experience using kubernetes
  • Understanding of AWS services

What we offer:

  • Working in a friendly and supportive atmosphere.
  • Career advancement and salary increase opportunities based on your level of engagement.
  • Salary based on your knowledge/experience level; Christmas bonuses.
  • Young, motivated and helpful colleagues.
  • Freedom and support to develop your skills and knowledge in areas of your own preferences (you want to try something that would improve your skills and our projects – go for it!)
  • Flexible working hours.
  • Opportunities to travel.
  • Coffee, tea, snacks…

If you recognize yourself in the description above, send us your CV in English today!

Only short-listed candidates will be contacted for an interview. All applications will be treated in strict confidentiality.

Come work with us