Location: Poland Working model: fully remote Contract type: b2b/CoE Contract duration: 01.07.2026-31.10.2026 About our client Our client is a technology company that provides mission-critical communications, video security, command center software, and managed services for public safety agencies, governments, and businesses. Its products help first responders and organizations communicate, monitor operations, and respond to emergencies more effectively through radio systems, body cameras, security cameras, and related software solutions. Department Context: The RDE team develops highly specialized internal tools for designing modern public safety communication systems (LTE, ASTRO, Dimetra). These tools are built on the cloud-based (AWS) Stratus Platform using microservices and Continuous Delivery principles. Responsibilities: Designing, implementing, testing, and maintaining the Stratus applications' web interface and backend services. The contract includes both maintenance development of existing applications and greenfield implementation of new applications ported from legacy systems. Basic Requirements: Practical knowledge of C#/.Net development ecosystem Practical knowledge of web technologies at least on a basic level: TypeScript, HTML, CSS, ASP.NET Core MVC Understanding of Agile ways of working Assets: Familiarity with MongoDB Familiarity with Vue / Vuetify / VueX framework stack Familiarity with developing in cloud using microservices concept Ability to work with GIT Familiarity with auto-testing mechanisms and frameworks (API and GUI - Playwright) Proven ability to rapidly adapt to new work environments Advanced familiarity with GitHub Copilot or Claude Code will be a significant advantage