Ciklum is a top-five global Software Engineering and Solutions Company. Our 3,000+ IT professionals are located in the offices and delivery centres in Ukraine, Belarus, Poland, and Spain. As Ciklum's employee, you'll have the unique possibility to communicate directly with the client when working in Extended Teams. Besides, Ciklum is the place to make your tech ideas tangible. Ciklum is a technology partner for Google, Intel, Micron, and hundreds of world-known companies. We are looking forward to seeing you as a part of our team!

Our jobs

  • Senior Java Developer


    On behalf of Ciklum Digital, Ciklum is looking for a Senior Java Developer to join our team on a full-time basis.

    Project description:

    Our client is a global leader in sportsbetting market, providing B2B solutions to some of the biggest and well-known brands around the world.

    Established in the early 2000s, this provides an opportunity to join a safe and stable environment, experience worldwide operations, all whilst enabling countless growth opportunities.

    If you’re well versed in the modern technology stack and ready to make an impact and help further shape their cutting-edge iGaming platform, this is an opportunity not to miss.

    The value you’ll deliver will be appreciated by 100s of clients and millions of players across the globe.

    Ready for the challenge?


    • Back-end development to meet customer’s business needs and implement components according to modern software development environment (cloud-based platforms, microservice architecture, etc.)
    • Taking part in the decision-making process in design application architecture, solution development, architecture and code review
    • Develop and review feature design documents and provide inputs/update to specifications for the solution
    • Design and implement a set of various types of tests (unit, integration, functional, etc)
    • Proactive position in solution development, processes improvements
    • Working in an international distributed team in an Agile environment
    • Communicate with PMs, engineers, Architects, QA and other colleagues and stakeholders
    • Delivering the product roadmap and plannings
    • To use high coding standards, software best practices and write highly testable, automatable and performant code over the whole SDLC


    • Experience in software development for more than  5 years
    • Excellent knowledge in Computer Science, Computing Theory:
      • Paradigm & Principles (OOP, SOLID, DDD, TDD, BDD)
      • Database theory (RDBMS, NoSQL)
      • Code testing practices
      • Algorithms
      • Data structures
      • Architectural, Enterprise and Design Patterns
      • Security patterns, Reverse engineering resistance, Common attacks types (OWASP)
    • Understanding of network interactions:
      • protocols
      • conventions (e.g. REST, RPC)
      • authentication and authorization flows
      • standards and practices (e.g. oAuth, JWT)
    • Excellent knowledge and experience in Java (more than 3 years)
    • Practical commercial experience with:
      • REST API development
      • Web application frameworks (e.g. Spring Boot Framework) (more than 2 years)
      • Testing frameworks (e.g.e.g. JUnit, PowerMock, WiresMock) (more than 2 years)
      • ORM (e.g. Hibernate) (more than 2 years)
      • RDBMS (e.g MySQL/MariaDB, PostgreSQL, Oracle) (more than 2 years)
      • Key-value storages (e.g. Redis, Memcached)
      • Messaging systems (e.g. RabbitMQ, Apache Kafka, Active MQ, AWS SQS, Azure Service Bus, Google Pub/Sub)
      • Web Servers
      • Version control systems (GIT)
      • Cloud computing platforms (e.g. AWS, Google Cloud Platform, Microsoft Azure)
      • Docker
      • Continuous Integration tools (e.g. Gitlab Pipeline, Jenkins, TeamCity, Bamboo)
      • Builders
    • Experience with:
      • Troubleshooting, profiling and debugging applications
      • Creation software architecture and design of complex applications, platforms, microservices solutions
      • Agile software processes and technologies
      • Code Review process
      • Refactoring process
    • Fluent or Upper-Intermediate English


    • Certifications on:
      • Java
      • Spring Frameworks
      • Cloud computing platforms (AWS, GCP, Microsoft Azure)
      • Kubernetes
      • Kafka
    • Understanding of orchestration and containerisation (e.g. Kubernetes, Swarm)
    • Knowledge in Deployment patterns
    • Practical commercial experience with:
      • Serverless architecture
      • Integration with 3rd party solutions
      • NoSQL (e.g. MongoDB, ElasticSearch, CouchDB)
      • Experience with Search Engines (e.g. ElasticSearch, Azure Search, Apache Solr)
      • Provisioning tools (e.g. Terraform, Ansible)
      • Quality tools (e.g. SonarQube)

    What's in it for you

    • Career growth opportunities
    • Realization of your innovative ideas in building new solutions and services
    • Possibility to propose solutions on a project
    • Friendly collaborative teams and enjoyable working environment
    • Professional skills development and training programs
    • Variety of knowledge sharing, training and self-development opportunities
    • Learn different business domains
    • Constant flow of new projects
    • Dynamic and challenging tasks
    • Projects from scratch
    • Continuous self-improvement
    • State of the art, cool, centrally located offices with warm atmosphere which creates really good working conditions
    • Long-term employment with 23 working-days paid vacation and other social benefits