Senior Dotnet Developer

Job Title: Senior DotNet Developer (10+ Years)

Location:
New Jersey
(Onsite)

Employment:
Full Time/ W2
(NO C2C)

Job Summary:
We are seeking a highly experienced
Senior .NET Developer
with
10+ years of hands-on experience
in designing, developing, and maintaining enterprise-grade applications. The ideal candidate will have deep expertise in the
Microsoft .NET ecosystem
, including
C#, ASP.NET Core, Web APIs, microservices, cloud platforms, and modern DevOps practices
. This role requires strong technical leadership, problem-solving skills, and the ability to collaborate with cross-functional teams to deliver scalable, secure, and high-performance solutions.

Key Responsibilities:

• Design, develop, and maintain
  enterprise-level applications
  using
  C#, .NET Core / .NET 6+, and ASP.NET Core
  , following best practices in object-oriented and SOLID design principles.
• Build and maintain
  RESTful Web APIs and backend services
  , ensuring high performance, scalability, and reliability.
• Design and implement
  microservices architectures
  , including service communication, resiliency, and fault tolerance patterns.
• Develop and optimize
  data access layers
  using
  Entity Framework Core, Dapper, and ADO.NET
  .
• Work extensively with
  relational and NoSQL databases
  such as
  SQL Server, PostgreSQL, Oracle, MongoDB, or Cosmos DB
  , including schema design and performance tuning.
• Implement
  cloud-native solutions
  using
  Azure and/or AWS
  , leveraging managed services, storage, security, and monitoring capabilities.
• Containerize applications using
  Docker
  and deploy them using
  Kubernetes
  or cloud-native container services.
• Build and maintain
  CI/CD pipelines
  using tools such as
  Azure DevOps, GitHub Actions, Jenkins, or GitLab CI
  to automate builds, testing, and deployments.
• Ensure
  application security
  by implementing authentication and authorization mechanisms such as
  OAuth2, OpenID Connect, JWT, and role-based access control
  .
• Write
  high-quality, testable, and maintainable code
  , including unit and integration tests using
  xUnit, NUnit, MSTest, and Moq
  .
• Monitor and troubleshoot production issues using logging and monitoring tools such as
  Application Insights, ELK stack, or Splunk
  .
• Participate in
  architecture and design discussions
  , contributing to technical decisions and long-term platform strategy.
• Conduct
  code reviews
  , mentor junior developers, and promote best practices in coding standards, design patterns, and software engineering processes.
• Collaborate with
  product owners, QA, DevOps, frontend developers, and business stakeholders
  in Agile/Scrum environments to deliver high-quality solutions.

Required Skills & Qualifications:

• 10+ years of professional experience
  as a
  .NET Developer
  in enterprise application development.
• Strong expertise in
  C#, .NET Core / .NET 6+, ASP.NET Core, and Web API development
  .
• Solid understanding of
  object-oriented programming, design patterns, and clean architecture
  .
• Extensive experience with
  SQL Server and other relational databases
  , including query optimization and performance tuning.
• Hands-on experience with
  microservices, RESTful services, and distributed systems
  .
• Experience working with
  cloud platforms
  (Azure preferred; AWS acceptable) and cloud-native development practices.
• Practical knowledge of
  Docker, Kubernetes, and container-based deployments
  .
• Strong experience with
  CI/CD pipelines, Git-based version control, and DevOps practices
  .
• In-depth understanding of
  application security best practices
  across backend services.
• Experience working in
  Agile/Scrum environments
  with strong communication and collaboration skills.