Senior Java Developer / Tech Lead in Kyivstar.Tech

Direct message from the participant who posted the vacancy from Kyivstar.Tech Yuliia Starodubets Yuliia Starodubets Kyivstar.Tech is looking for a Senior Java Developer / Tech LeadAbout us Kyivstar.Tech is a Ukrainian hybrid IT company, a resident of Diya.City. We are a subsidiary of Kyivstar, one of the largest Ukrainian telecommunications operators. Our mission is to change lives in Ukraine and in the world by creating technological solutions and products that realize the potential of companies and the needs of users. Over 500 KS.Tech specialists work every day in various areas: mobile and web solutions, as well as design, development, support and maintenance of high-performance systems and services. We believe in innovations that really bring qualitative changes, and constantly we challenge traditional approaches and solutions. Each of us is an adept of an entrepreneurial culture that allows you to never stop, develop and create new What will you do Engage in the development of highly loaded, distributed middleware & backend applications in the telecommunications field related to the processing of provisioning requests, order data-contents, voice, billing & tariffication events. Design and develop the architecture of micro-service systems of АРИ, new business logics. Write unit, integration, Loaded tests. Write technical documentation. Advise on new and existing systems for the approval of project documentation. Engage in maintenance of service performance. What qualifications and experience are required. Work experience of at least 5 years in the field of programming, participation in commercial projects for at least 2 years. Management (processes, projects or people) experience of at least 2 years. Knowledge of the Java 8/17 programming language (Concurrency, Parallel, Distributed). Experience in developing Web applications (exchange format - JSON/XML), building REST architecture. Experience in working with NoSQL (Cassandra DB). Experience in working and understanding the principles of building relational databases, knowledge of SQL (Oracle). Knowledge CI/CD processes, experience with Maven, Gradle, JUnit, CI/CD tools. Skills in working with Spring Framework (MVC, Boot, Security), Akka (HTTP, Streams), Distributed cache Framework, Hibernate. Understanding and skills in working with data exchange brokers (Kafka, JMS brokers). WF. Experience in using microservices, soa, monolith, design patterns, Event Sourcing, CQRS, DDD. Experience in working with Docker stack. Experience in working with Grafana, ELK Stack, Artifactory. English - at the level of negotiations and correspondence. A plus will be: Experience in developing and writing technical documentation, experience in software support; Knowledge in the telecom domain of architecturesand billing, provisioning systems, vas (value added services), basic knowledge of building a GSM network. We offer: Office or remote - it's up to you. We give the opportunity to work anywhere, and we arrange the workplace. Remote onboarding. Performance bonuses for everyone (annual or quarterly - depends on the role). We train employees: there are many internal resources and programs from partners, our own library. Health insurance and life for employees. Wellbeing program and corporate psychologist. Reimbursement of expenses for Kyivstar mobile communication. Show more Show less Position level Senior secondary level Type of employment Full time Job duties Engineering Industries IT services and IT Consulting and Software Development