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Senior .Net Engineer

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ELEKS

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Location:
United States

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

Our client is one of the largest insurance brokers in the world, working in the Insurance business domain and providing risk management, insurance, and reinsurance brokerage, and investment banking solutions.

Job Responsibility:

  • Design, develop, and maintain reliable software in line with technical requirements
  • Analyze requirements, and independently estimate and set up tasks’ acceptance criteria
  • Evaluate and coordinate tasks’ deadlines with the Technical Leader or Project Manager
  • Apply the best software development practices and coding standards to produce high-quality and performant solutions
  • Stay up-to-date with modern technology and optionally obtain professional certifications
  • Participate as a trainer or a trainee in various learning programs outside the main project

Requirements:

  • 7+ years of backend/API development experience, including 4+ years with modern .NET (.NET 7/8/9, ASP.NET Core, experience with .NET 10 is a plus)
  • Strong C# fundamentals: async/await, LINQ, dependency injection, middleware, and SOLID/clean architecture
  • Proven experience building production REST APIs: versioning, authentication/authorization, error handling, pagination/filtering, and OpenAPI/Swagger documentation
  • Strong SQL skills with SQL Server: schema design, query optimization, indexing, joins, transactions, and stored procedures
  • Hands-on experience with Azure Cosmos DB: partitioning strategy, RU optimization, consistency levels, indexing, and change feed
  • API security expertise: OAuth2/OIDC, JWT, secrets management, and OWASP API security practices
  • Testing experience: unit and integration testing (xUnit/NUnit) and CI quality gates
  • Cloud delivery experience (Azure): CI/CD pipelines, containerization (Docker), logging/monitoring, and troubleshooting in production
  • Strong communication and collaboration skills, with experience in code reviews and mentoring
  • Experience with Redis caching, rate limiting, and resilience patterns (retry/circuit breaker)
  • Infrastructure-as-Code exposure (Terraform, ARM)

Nice to have:

  • Experience with microservices and event-driven design (Azure Service Bus, Azure Event Hub, Azure Event Grid, etc.)
  • Knowledge of GraphQL in addition to REST
  • Experience in regulated or high-scale environments with reliability/SLA ownership
  • Prior technical leadership (driving standards, architecture decisions, onboarding junior developers)
What we offer:
  • Close cooperation with a customer
  • Challenging tasks
  • Competence development
  • Team of professionals
  • Dynamic environment with low level of bureaucracy

Additional Information:

Job Posted:
March 24, 2026

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