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Lead .NET Software Engineer

Hybrid in Poland
.NET& 9 others
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We are seeking an experienced Lead .NET Software Engineer with an architectural track and hands-on development expertise to join the Enterprise Applications team. This role will lead the design, development, modernization and support of multiple internal enterprise applications and platforms that enable critical business operations across the organization. The ideal candidate combines deep technical engineering capabilities with solution architecture experience, stakeholder engagement skills and the ability to lead cross-functional initiatives in a fast-paced enterprise environment.

Responsibilities
  • Propose architecture, technical design and implementation of enterprise-grade internal applications and integrations
  • Design scalable and secure solutions leveraging Microsoft 365, Azure, AWS and modern web technologies
  • Provide technical leadership and mentorship to engineering teams across multiple application initiatives
  • Collaborate with business stakeholders, product owners and enterprise architects to translate business requirements into technical solutions
  • Develop and maintain enterprise applications using C#, .NET, React, SPFx and cloud-native services
  • Architect and support SharePoint Online and Power Platform solutions including Power Apps, Power Automate, Power BI and Dataflows
  • Design and implement APIs, integrations and automation workflows across enterprise systems
  • Ensure solutions align with security, governance, compliance and operational standards
  • Drive modernization initiatives, CI/CD improvements, cloud adoption and platform optimization
  • Troubleshoot complex production issues and provide strategic guidance on application stability and performance
  • Participate in Agile ceremonies, backlog refinement, technical estimation and release planning
  • Maintain technical documentation, architectural diagrams and operational procedures
Requirements
  • 7+ years of IT software engineering experience
  • Advanced proficiency in C#, .NET and .NET Core
  • Strong experience with SharePoint Online, SPFx and React
  • Skills in scripting and automation using PowerShell
  • Extensive expertise in the Microsoft Power Platform including Power Automate, Power Apps and Power BI, as well as Dataflows
  • Experience developing and supporting Azure applications, web services and AWS-hosted applications and infrastructure
  • Proven background in designing enterprise application architectures and building scalable APIs and integration services
  • Understanding of cloud-native and distributed application patterns
  • Capability to lead technical design reviews and architectural governance while managing multiple enterprise applications simultaneously
  • Familiarity with Microsoft 365 application ecosystem, SFTP integration and file-based processing solutions
  • Knowledge of Azure Entra ID, identity and access management and AWS EKS
  • Competency in Agile delivery methodologies, Jira and Agile project tracking tools
  • Skills in basic database design and SQL along with strong analytical thinking and business engagement
  • English proficiency at B2 level or higher
Nice to have
  • Flexibility to use Power Automate Desktop and AWS Platform-as-a-Service solutions
  • Background in application monitoring and operational support
  • Exposure to DevOps and CI/CD pipelines
  • Experience working within financial services or highly regulated environments