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Senior C# Developer: Dev Tools

Securiti - Warsaw, Poland - Hybrid

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Veeam, the Data and AI Trust Company, is seeking a Senior C# Developer to join the team building internal developer tools and platforms. You will own the full lifecycle of development automation tooling—from identifying problems reported by engineers through to production release. In this role, you will build and extend web services within Veeam's internal developer platform, working on tooling designed to automate development processes and improve quality. You'll work with C#, .NET 10, ASP.NET, and Azure DevOps, taking ownership of changes end-to-end and breaking large projects into independently shippable increments. Veeam is headquartered in Seattle with offices in over 30 countries and protects more than 550,000 customers worldwide. The company specializes in data resilience and data security posture management, positioned at the convergence of identity, data, security, and AI risk. Benefits include 26 paid days off annually plus 4 global VeeaMe Days for self-care, 24 paid volunteer hours through Veeam Cares, paid parental/maternity/paternity leave, fully covered family medical plan with dental and rehab, life and disability insurance, employer pension contribution via PPK, 450 PLN monthly Edenred meal allowance, fully covered MultiSport card for nationwide sports facilities access, up to 12 free therapy sessions annually, and access to learning resources including LinkedIn Learning and O'Reilly. REQUIREMENTS: - Bachelor's or Master's degree in Computer Science or Information Technology - Deep understanding of C#, .NET platform, data structures, and algorithms - Knowledge of software design principles: object-oriented design, domain-oriented architecture - Ability to establish and maintain automated quality control (tests, analyzers, CI gates) - Ability to split large projects into small, independently shippable increments - Ability to judge design and implementation quality in code review and explain reasoning - English proficiency sufficient to communicate with international teams BONUS SKILLS: - Experience leading a technical initiative from idea to production - Understanding of Software Development Lifecycle and CI/CD - Willingness to learn new technologies, accept challenges, and grow as an individual contributor NOTE: Applicant must be permanently located in Poland. Remote work is only available for employees based in Poland.

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