Middle System/Business Analyst

Kyivstar.Tech is looking for a Middle System/Business Analyst . About usKyivstar.Tech is a Ukrainian hybrid IT company and a resident of Diia.City. We are a subsidiary of Kyivstar, one of Ukraine's largest telecom operators.Our mission is to change lives in Ukraine and around the world by creating technological solutions and products that unleash the potential of businesses and meet users' needs.Over 500+ KS.Tech specialists work daily in various areas: mobile and web solutions, as well as design, development, support, and technical maintenance of high-performance systems and services.We believe in innovations that truly bring quality changes and constantly challenge conventional approaches and solutions. Each of us is an adherent of entrepreneurial culture, which allows us never to stop, to evolve, and to create something new.What you will do:Lead new integrations from concept through implementation (supporting tasks aligned with the current product roadmap).Develop technical documentation from scratch for new features and updates to existing ones.Maintain and update current technical documentation for products and systems.Support client systems in defining integration requirements for the product.Build a knowledge base for the product's events library (product event model) at both system and company levels.Future support for the Sales Team in gathering external client requirements for product customization (the product is currently internal, with plans for a global launch).Qualifications and experience needed: Minimum of 3 years of experience on IT projects in a systems/business analyst role with a focus on backend development.Proven experience in writing technical and project documentation, including BRD, SRS, API Specifications, and Admin Guides.Experience formalizing functional requirements using techniques such as functional decomposition, use cases and scenarios, user stories, and state modeling.Proficiency in UML notation for modeling functional requirements (behavioral diagrams: activity, sequence, state, use case; structural diagrams: component, deployment).Strong understanding of and experience with data protocols, particularly REST over HTTP and SMPP.Experience in managing the full requirements lifecycle: prioritization, agreement, and ongoing maintenance.Systems thinking.Client-oriented approach to supporting internal client systems.What we offer:Office or remote — it's up to you: you can work from anywhere, and we will arrange your workplace.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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