Junior Blockchain Developer

Choose level

B2B contract: 4500 - 8400 PLN + VAT


  • developing solution supported by Blockchain experts
  • working with a team of blockchain developers to develop blockchain-based decentralized applications
  • designing and implementing major new features of an internal backend system
  • maintaining the environments in which blockchain solutions can be implemented
  • optimizing applications for maximum speed and scalability
  • maintaining a continuous integration pipeline for the development and testing of applications
  • helping with overall systems/data architecture development and integration issues
  • participating in daily stand-up meetings; discussing your solutions and ideas with others
  • turning your ideas into working software
  • communicating with team members and clients (chat or hangouts) on daily basis


  • Java
  • JavaScript
  • Unix/Linux
  • Algorithms
  • base understanding of how to write good and clean code with basic patterns (SOLID, DRY, KISS, refactoring)
  • GIT
  • English min. B2


  • DRY
  • KISS
  • Smart contracts

We offer

  • Flex working hrs
  • Internal training and coaching
  • Additional co-financed sports activities
  • Intensive skills development supported by regular evaluation system
  • Financed English course
  • Private health care
  • Integration events
  • Democratic influence on decision making process
  • Conference and training budget
  • Interesting initiatives, e.g. Espeo Guilds
  • Up to 20% remote work

Get to know the recruitment process

Step 1

  • Application, CV selection, HR phone screening

Step 2

  • Technical review + Soft review

Step 3

  • Decision

Recruitment criteria

  • Clarity of your code & techniques of your work (legibility, testability, structure)
  • Level of skills in your primary programming language
  • Tools (eg. Git, Linux, console, Jenkins CI)
  • Self-reliance
  • Extending company skillset
  • Team work
  • Leadership skills
  • System Architecture
  • Contact with the client
  • Frontend / UI/UX design


IT Recruiter

Want to talk about our recruitment? - contact Wojtek