Onde
Senior Backend Developer (Java)
OndePoland12 hours ago
Full-timeEngineering, Information Technology

B2B product with 300+ business partners in 90 countries.


A team of 130+ bright-minded professionals eager to challenge everything you know.


Does that sound like a dream place to you? Read up, buddy!


We help ambitious entrepreneurs to start a ride-hailing (taxi). Our SaaS solution and marketing assistance is what we provide our business partners with.


To do that right, we’ve got:

  • 14 years of expertise in developing an all-in-one platform
  • Amazing team of specialists working and playing hard
  • Opportunity for all employees to influence the product and take initiative
  • Focus on quality, no strict deadlines
  • Flexible management
  • Healthy work-life balance


Now we are looking for an experienced Senior Backend Developer (Java) to join Onde 🚀.


We expect:

  • 7+ years of experience in backend development
  • Understanding of concurrency, asynchronous systems and distributed system development
  • Strong problem-solving and debugging abilities, product thinking
  • Commitment to write clean and effective code (including refactoring old one)
  • Experience with JavaRx or Kotlin is a plus
  • Bachelor’s or Master’s degree in Computer Science, Software Engineering, Applied Mathematics or a related technical field
  • Fluency in Russian, Belarusian, or Ukrainian is required


You’re a perfect match if you can:

  • Learn new technologies and approaches quickly
  • Bring new ideas and back them with strong statements
  • Advocate for your vision with cross-functional teams
  • Understand basic architectural principles: layered architecture, microservices, and event-driven architecture. It is essential to understand key features and drawbacks of these approaches
  • Go deep in used technologies
  • Write code without frameworks
  • Write extensible and simple code
  • Implement a feature at every stage of development: technical proposal, writing code, fixing deployment scripts if needed, monitor the results in production
  • Instrument the application and identify bottlenecks
  • Find and fix the root causes of performance and memory issues
  • Assure the solution's quality in collaboration with QA engineers


As a team member you will:

  • Design and implement solutions for product features with release on production - you can see real result of your work within several days
  • Write new and refactor existing REST and WebSocket API for different platforms
  • Troubleshoot and resolve issues from production and test environments
  • Cover your code with unit and integration tests
  • Participate in code reviews and contribute to best practices in software development


What will you work with?

  • Java 21, RxJava 3, Redis, Apache Cassandra, Apache Pulsar, Apache Zookeeper, Netty, Protobuf, WebSocket and REST API, Kotlin, Mockk


What does Onde offer?

  • Work with code that doesn't contain duplicates with single trunk of product (no branches for different custom developments)
  • Adaptive and continuously evolving development methodologies
  • Fully setup continuous delivery processes

Key Skills

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