Senior Java Developer

Ciklum is looking for a Senior 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 Senior Java Developer, become a part of a cross-functional development team working for Our Client.

About the Client:Our client is a sports betting company, who would like to manage their content with a “Plug and Play” approach. Project team consists of 200+ engineers working on different enhancements of our sport betting products. The project uses the latest stable technologies like Java, React and others.

Responsibilities:Back-end development to meet customer’s business needs and implement components according to modern software development environmentTaking part in the decision-making process in application code design, solution development, code reviewDevelop and review feature design documents and provide inputs/update to specifications for the solutionDesign and implement a set of various types of tests (unit, integration, functional, etc)Proactive position in solution development, processes improvementsWorking in an international distributed team in an Agile environmentUsing high coding standards, software best practices and writing highly testable, automatable and performant code over the whole SDLC

Requirements:Strong practical experience in Java, 6-10 yearsStrong knowledge in Computer Science, Computing Theory:Paradigm & Principles (OOP, SOLID)Database theory (RDBMS)Code testing practicesAlgorithmsData structuresDesign PatternsUnderstanding of network interactions:protocolsconventions (e.g. REST, RPC)authentication and authorization flowsstandards and practices (e.g. oAuth, JWT)Practical commercial experience with:REST API developmentWeb application frameworks (e.g. Spring Boot Framework) (more than 3 years)Testing frameworks (e.g.e.g. JUnit, PowerMock, WireMock) (more than 3 years)ORM (e.g. Hibernate) (more than 1 years)RDBMS (e.g MySQL/MariaDB, PostgreSQL) (more than 3 years)Web ServersVersion control systems (GIT)DockerContinuous Integration tools: JenkinsExperience with:Cloud solutions: AWSAgile software processes and technologiesBrief familiarity with Frontend developmentJS, React or AngularUpper-Intermediate English

Desirable:Knowledge in:TDD, BDDArchitectural, Enterprise PatternsSecurity patterns, Common attacks types (OWASP)Deployment patternsExperience with:Troubleshooting, profiling and debugging applicationsMicroservicesPractical commercial experience with:Key-value storages (e.g. Redis, Memcached)Messaging systems (e.g. Apache Kafka, AWS SQS)Serverless architectureIntegration with 3rd party solutionsNoSQL (e.g. MongoDB, ElasticSearch, CouchDB)Search Engines (e.g. ElasticSearch )Quality tools (e.g. SonarQube)

What's in it for you?Care: your mental and physical health is our priority. We ensure comprehensive company-paid medical insurance, life insurance and Multisport cardTailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy licence, language courses and company-paid certificationsGrowth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globallyFlexibility: choose how you want to work – a 100% remote or on-site in our office in Gdansk or Wroclaw. Own your schedule – you are the one to decide when to start your working day. Just don’t miss your regular team stand-upOpportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfil your potentialGlobal impact: work on large-scale projects that redefine industries with international and fast-growing clientsWelcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building eventsAbout us:Join a well-established company and a strong team of professionals. Seize the perks of global opportunities, local approach and start-up spirit.Boost your skills with modern stacks and industry-leading clients!Enjoy what you do, do what you enjoy!Be bold, not bored!Are you already interested? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.Interested already?We would love to get to know you! Submit your application. Can’t wait to see you at Ciklum.

Key Skills

• AWS
• Docker
• Java
• SQL
• Jenkins
• Microservices
• Amazon EC2