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Senior/Lead Software Engineer (.Net)

AT Exadel
Exadel

Senior/Lead Software Engineer (.Net)

Sofia, Bulgaria

We are looking for a motivated Senior/Lead .NET Developer who thrives on solving complex challenges. If you enjoy diving deep into production systems, spotting what others might miss, and keeping things running smoothly under pressure, this role is for you. You’ll lead by example, support critical systems, and work alongside a team that values curiosity, ownership, and getting things done.

Work at Exadel - Who We Are 

We don’t just follow trends—we help define them. For 25+ years, Exadel has transformed global enterprises. Now, we’re leading the charge in AI-driven solutions that scale with impact. And it’s our people who make it happen—driven, collaborative, and always learning.

About Our Customer

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You will work with the 6th-largest privately owned organization in the United States. The сustomer is one of the "Big Four" accounting organizations and the largest professional services network in the world in terms of revenue and number of professionals. The company provides audit, tax, consulting, enterprise risk, and financial advisory services to 263,900 professionals globally.

Requirements

  • 6+ years of software development background
  • Knowledge of .NET 8 as well as .NET Framework 4.7.2
  • Knowledge of SQL Server, MongoDB, and Redis Cache
  • CI/CD pipelines, particularly Azure DevOps Classic/YAML PipelinesAzure: Application Insights, VMs, Service Bus, App Configuration, KeyVault, App Services, Virtual Network, ARM templates
  • Framework & libraries: ASP.NET OWIN, ASP.NET Core, Swagger,  IdentityServer, EF6, EF Core, OpenTelemetry, Azure ServiceBus 
  • Integration testing: xUnit, Moq, AutoFixture, Testcontainers, Reqnroll (SpecFlow)
  • Understanding of code versioning tools, such as Git
  • Competency in Agile Software Development Life Cycle
  • Proficiency in accessibility and security compliance
  • Experience managing hosting environments, including database administration and scaling applications to support load changes
  • Ability to work with distributed systems and multi-process environment

English level

Intermediate+

Responsibilities

  • Write clean, efficient, and scalable code
  • Upgrade, configure, and troubleshoot existing systems
  • Provide technical support and resolve issues promptly
  • Work both independently and in close collaboration with the team 
  • Perform code review to ensure best practices are followed
  • Communicate clear instructions to team members and help manage the flow of day-to-day operations
  • Onboard and mentor new team members
  • Ensure the whole lifecycle of a task from planning to production delivery
Client-provided location(s): Sofia, Bulgaria; Georgia; Hungary; Lithuania; Poland; Romania; Uzbekistan
Job ID: 5563514004
Employment Type: Other