Backend Developer, Java

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Logo of Київстар

Київстар

1001 - 5000 employees

Founded 1994

📡 Telecommunications

Telecommunications

Київстар is a Ukrainian telecommunications company that offers a wide range of services for private individuals, businesses, and the public sector. These services include mobile communication, home internet, television services, and international roaming. Київстар provides various packages and tariffs to suit different needs, such as SIM cards, eSIM, internet packages, and bundles combining internet, TV, and mobile services. The company also supports social initiatives, facilitates online doctor appointments, and provides technical support and customer service through multiple channels. Київстар is committed to offering quality telecommunication solutions and fostering digital connectivity in Ukraine.

📋 Description

• Collaborate with the development team, Product Owner, and Engineering Manager in real and interesting product tasks • Selection and implementation of the necessary tools, technologies, and techniques • Designing and implementing the architecture of an application • Code review and code quality control over the formed standards of development • Writing efficient code

🎯 Requirements

• Spring: Core, MVC, Security, Boot (4+ years) • Microservices architecture understanding + understanding of Event Sourcing, CQRS, and DDD • Experience with high-load systems • Restful services (REST) dev experience (4+ years) • Persistence frameworks: Spring: Spring Data, Hibernate (4+ years) • Experience in branch-based workflow (git) • Messaging: ActiveMQ / JMS • Thorough understanding of RDBS: MySQL, PostgreSQL, Oracle, and non-RDBMS like Cassandra • Unit testing with JUnit and Mockito • Experience with Docker containers in production (1+ year) • Strong understanding | usage of SOLID principles and software design patterns • Experience with continuous integration as is (principles, instruments)

🏖️ Benefits

• Office or remote – it’s up to you • Remote onboarding • Performance bonuses for everyone (annual or quarterly — depends on the role) • We train employees with the opportunity to learn through the company’s library, internal resources, and programs from partners • Health and life insurance • Wellbeing program and corporate psychologist • Reimbursement of expenses for Kyivstar mobile communication

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