ELEKS Software Engineering and Development Office is looking for a Senior .Net Engineer in the USA.

ABOUT PROJECT

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.

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)

RESPONSIBILITIES

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

WHAT YOU WILL GET WITH ELEKS

Close cooperation with a customer
Challenging tasks
Competence development
Team of professionals
Dynamic environment with low level of bureaucracy

ABOUT ELEKS

ELEKS is a custom software development company. We deliver value to our clients, thanks to our expertise and experience gained from working as a software innovation partner since 1991.

Our 2000+ professionals located in the Delivery Centers across Eastern Europe and sales offices in Europe and North America, provide our clients with a full range of software engineering services. These include product development, QA, R&D, design, technology consulting and dedicated teams.