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Backend Developer
  • Wrocław
Backend Developer
Wrocław, Wrocław, Lower Silesian Voivodeship, Polska
Teleste Video Networks Sp. z o.o.
16. 12. 2025
Informacje o stanowisku

technologies-expected :


  • C++
  • .NET Core

technologies-optional :


  • C#
  • Python
  • HTML
  • CSS
  • JavaScript
  • Angular

responsibilities :


  • planning and implementing new functionalities for video management systems and situational awareness systems,
  • modernization and optimization of existing functionalities,
  • code review, unit and integration testing, adherence to the DoD,
  • team cooperation.

requirements-expected :


  • minimum 5 years of commercial programming experience,
  • strong proficiency in C++ and C# and .NET (including modern .NET versions),
  • good knowledge of Python,
  • practical knowledge of MS Windows and Linux operating systems,
  • ability to create simple web UI using HTML, CSS, and JavaScript, with a basic understanding of web UI frameworks (e.g., React, Vue, Angular, or Razor Pages/Blazor),
  • experience in designing and implementing RESTful Web APIs,
  • knowledge of fundamental architectural patterns and the ability to apply them in practice,
  • ability and willingness to work with legacy code, including its refactoring and modernization,
  • experience in concurrent and multi-threaded programming, including async/await and task-based programming in .NET,
  • experience with relational and lightweight databases, such as PostgreSQL or SQLite,
  • practical knowledge of network protocols: HTTP, WebSocket, RTSP,
  • deep understanding of web application mechanics (session management, authorization, headers, cookies),
  • knowledge of network configurations and mechanisms, such as reverse proxy and load balancing,
  • proven knowledge of application security: TLS, cryptography, authorization, authentication (OAuth2/ OpenID Connect), and Single Sign-On (SSO),
  • familiarity with issues related to cybersecurity and data protection (GDPR),
  • practical knowledge of CI/CD processes and version control systems (preferably Git),
  • experience with containerization (Docker),
  • experience working in agile methodologies (Scrum/Kanban),
  • ability to write unit tests (e.g., using Google Test, xUnit, NUnit, MSTest),
  • experience with profiling and static analysis / code quality tools (e.g. SonarQube, .NET analyzers),
  • very good command of English (min.B2) and Polish (min.C2), spoken and written,
  • analytical thinking and independent problem-solving skills.

offered :


  • international projects,
  • individual development path and close-knit team,
  • friendly and casual atmosphere of work (no open space, no dress code),
  • permanent contract,
  • hybrid model of work; in some cases fully remote might be considered,
  • private healthcare (Luxmed) & Multisport card - co-financed by Teleste,
  • flexible working hours (start time between 7:00 a.m. and 10:00 a.m.).

benefits :


  • sharing the costs of sports activities
  • private medical care
  • life insurance
  • remote work opportunities
  • flexible working time
  • integration events

  • Praca Wrocław
  • Wrocław - Oferty pracy w okolicznych lokalizacjach


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