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Expert Java Developer

Poland Remote

Java vacancies


Ciklum is looking for a Expert Java Developer to join our team full-time in Poland.

We are a leading global product engineering and digital services company that unites 4000+ seasoned professionals globally on various projects in healthcare, fintech, travel, sportswear, entertainment, and security. Ciklum delivers high-impact technology solutions to Fortune 500 and fast-growing organisations worldwide.

About the role:

As a Expert Java Developer, become a part of a cross-functional development team working for Our Client.

Today, our client is a highly diversified global online marketplace supporting e-commerce transactions in 42 countries, 31 currencies and 28 languages. The business is fast-growing, asset light and built for scale through its proprietary technology platform.

Its growth is driven by the accelerating global shift towards online shopping, client’s diverse retailer base, extensive product catalogue and wide geographical reach. In addition, client’s on-going investment and improvements in its platform are continually driving higher traffic volumes, higher sales volumes and improving the overall shopping experience.

Technology stack:

Java, Spring, Docker, Kubernetes, Apache Solr (built on Apache Lucene) and Oracle for storage, Artemis and ActiveMQ to RESTful endpoints.

Other technologies that are used on the project: Quartz Scheduling, Cucumber, OpenAPI, Bamboo, Swagger, Wildfly, and Thymeleaf

Our web-app is built with JavaScript and React, and we manage our codebase using Git and Bitbucket


  • Lead development team, design solution architecture, and perform a code review
  • Work closely with project stakeholders
  • Implement best engineering practices
  • Use and adopt Agile practices (work estimation using story points, convert user stories into technical tasks …)
  • Use architectural principles, design patterns and mentor team members on their usage
  • Contribute opinions on a range of topics, from development practices to product strategy and roadmap
  • Spec, design and build new features end-to-end
  • Focus on developing reliable, scalable, highly available apps, tools and services
  • Build fault tolerant, self-healing, globally distributed applications and services
  • Ingest high volume data sets, record, monitor and build platforms


  • Experience in software development for more than 7 years, experience in Java for more than 6 years
  • Bachelor’s degree in Computer Science, Computer Engineering, Mathematics, or a related field
  • Experience developing software services and an understanding of design for scalability, performance and reliability
  • Experience in designing and developing large-scale, distributed software applications, tools, systems and services
  • Experience of seeking out and resolving system performance issues involving memory, storage, and CPU
  • Excellent knowledge in Computer Science, Computing Theory:
    • Paradigm & Principles (OOP, SOLID)
    • Database theory (RDBMS, NoSQL)
    • Code testing practices
    • Data structures
    • Architectural, Enterprise and Design Patterns
  • Practical commercial experience with:
    • REST API development
    • Web application frameworks (e.g. Spring Boot Framework) (more than 4 years)
    • Testing frameworks (e.g.e.g. JUnit, PowerMock, WireMock) (more than 4 years)
    • RDBMS (e.g MySQL/MariaDB, PostgreSQL, Oracle) (more than 4 years)
    • Search Engines (e.g. ElasticSearch, Azure Search, Apache Solr)
    • Version control systems (GIT)
    • Docker
    • Tomcat or similar application server
    • ActiveMQ Artemis message queues
  • Upper-intermediate English


  • Experience with Leading and Supporting medium to large size solution delivery projects
  • Industry experience as a Software Engineer within the e-commerce industry

What's in it for you

  • Career growth opportunities
  • Realization of your innovative ideas in building new Ciklum Solutions and Services
  • Friendly collaborative teams and enjoyable working environment
  • Professional skills development and training programs
  • Variety of knowledge sharing, training and self-development opportunities
  • State of the art, cool, centrally located offices with warm atmosphere which creates really good working conditions Gdansk or Wroclaw
  • Work from home/100% remote
  • Private medical healthcare fully covered by Ciklum with a possibility to cover family members
  • Fully covered life insurance – 100 000 PLN
  • Fully covered drug insurance – up to 2 000 PLN/year
  • Multisport card 100% covered by Ciklum – Benefit Systems, Plus package
  • Parking space 50% covered by Ciklum

Your dream job isn’t here? Let’s stay in touch! We’ll inform you about the best opportunities.


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