Senior Back-End Engineer
We are looking for a Senior Back-End Engineer with experience in building high-performing, scalable applications. You will be part of a talented software team that works on implementation on NANO platform and helps us keep growing.
In this position, you will
- Participate in all aspects of the System Development Life Cycle
- Turn user stories into BDD tests to reflect functional requirements
- Design, develop and implement technical solutions based on business requirements
- Write clear, tested and documented code that delivers real business value
- Work with continuous integration and deployment pipelines to enable rapid delivery to production
- Focus on performance and scalability to ensure reliable functionality under high load
Main technologies we use
- Java EE
- Redis, MongoDB, Event Store
- Kafka
- Docker + Docker Swarm
- GitLab (Pipelines, Container Registry)
- ELK, OpenTelemetry
- Apache Wicket, Angular
- Event-driven architecture (Event Sourcing)
- Command-Query Responsibility Segregation (CQRS)
- Domain-driven Design (DDD)
- Model View Controller (MVC)
- Unit testing (Junit, Mockito)
We expect
- 5+ years experience working in Java based projects
- Experience with the following infrastructure components: MongoDB or Eventstore (KurrentDB), Kafka
- Experience with Java EE, Guice (or Spring), REST
- Experience with Object-Oriented Design and test-driven development
- Experience with scalable and resilient application architecture
- Unit testing knowledge (e.g. JUnit, Mockito, TDD)
- Ability to write well designed, testable and efficient code
- Strong refactoring skills and familiarity with common refactoring patterns
- Good communication and collaboration skills, team player
- Fluent communication in English
We offer
- Flexible working hours and possibility to work remotely 2 days per week from home or abroad
- Progressive holidays policy – an additional paid day off annually for each year you have worked for us
- Fully paid educational leave – get extra 5 days of fully paid holidays per year to get ready for your exams, dissertations and etc
- Office library – we grow our library by ordering books based on expressed employees’ interest
- Professional and personal development – compensations for various courses and professional examinations
- Delegation to global and local conferences
- Talented international team
- Modern offices in the city centre
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Confidentiality guaranteed. Only selected candidates will be informed.
Gross salary: 3000 –8000 €/month (depending on the level of experience)