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Location
Remote (Bulgaria)
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 4, 2026. First seen by Alion on Nov 4, 2026. Cognizant scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Cognizant is an American information technology services and consulting company founded in 1994 as an in-house technology unit of Dun and Bradstreet in Chennai, India, and headquartered in Teaneck, New Jersey. It builds, integrates and operates software and infrastructure for large enterprises, with particularly deep positions in healthcare, financial services, insurance and life sciences, delivered by a global workforce of more than three hundred thousand people concentrated in India. Listed on Nasdaq, the company competes with the large Indian and global systems integrators and has reoriented its offerings around cloud migration, data platforms and AI-assisted engineering.

.NET Backend Developer

Position Summary

We are seeking a highly skilled .NET Backend Developer to design, develop, and maintain scalable, high-performance backend services and APIs. The ideal candidate will have extensive experience with modern .NET technologies, microservices architecture, and relational databases, while demonstrating strong software engineering principles and the ability to mentor other developers.

Key Responsibilities:

Design, develop, and maintain resilient, distributed backend services using .NET 6/7/8 and C#.

Create scalable, maintainable, and high-quality software solutions following SOLID principles, clean architecture, and industry best practices.

Implement and optimize asynchronous programming patterns using async/await.

Leverage Dependency Injection (DI), configuration management, and structured logging frameworks to build robust applications.

Conduct code reviews, enforce coding standards, and provide technical mentorship to development team members.

Design and develop RESTful APIs using ASP.NET Core Web API.

Implement middleware, filters, model binding, validation, API versioning, and API documentation using OpenAPI/Swagger.

Develop and maintain background processing solutions using Hosted Services and background job frameworks.

Implement real-time communication features using SignalR.

Design and implement effective rate limiting, throttling, and security mechanisms to ensure application reliability and performance.

Collaborate with architects, product owners, and cross-functional teams to define technical requirements and deliver solutions.

Troubleshoot production issues and optimize system performance.

Required Qualifications:

Strong hands-on experience with C# and .NET 6/7/8.

Deep understanding of distributed systems, backend architecture, and software engineering best practices.

Proven expertise in:

Async programming (async/await)

Dependency Injection (DI)

Application configuration management

Logging and monitoring

SOLID design principles

Extensive experience with ASP.NET Core, including:

Web API development

Middleware development

Filters and model binding

Validation frameworks

API versioning

OpenAPI/Swagger documentation

Experience implementing:

Background jobs and Hosted Services

SignalR-based real-time applications

Rate limiting and throttling strategies

Strong knowledge of relational databases, preferably Microsoft SQL Server.

Experience with:

Database schema design

Data modeling

Indexing strategies

Query optimization and performance tuning

Solid understanding of ORM frameworks, preferably Entity Framework Core (EF Core).

Experience working in Agile/Scrum environments.

Preferred Qualifications:

Experience with microservices and cloud-native architectures.

Familiarity with containerization technologies such as Docker and orchestration platforms like Kubernetes.

Experience with CI/CD pipelines and DevOps practices.

Knowledge of cloud platforms such as Microsoft Azure.

Understanding of messaging technologies and event-driven architectures.

Key Competencies:

Strong analytical and problem-solving skills.

Excellent communication and collaboration abilities.

Leadership mindset with experience mentoring engineers.

Commitment to code quality, maintainability, and continuous improvement.

Ability to work independently and drive technical decisions.

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