Senior .NET Developer

Join TMP Worldwide India Private Limited for ERS US in Redmond, WA on a hybrid work model and enjoy a role that blends technical challenge with collaborative culture. The Senior .NET Developer position offers a competitive hourly rate of USD 45 - 55 and the opportunity to design, build, and maintain scalable web applications and REST APIs using ASP.NET and C#, all within Agile teams. You’ll gain exposure to cloud platforms such as AWS and Azure, and work with modern front‑end stacks like React and Angular.

Responsibilities

• Architect and implement scalable web solutions with ASP.NET, C#, and related frameworks.
• Drive front‑end development using React or Angular, applying JavaScript, TypeScript, HTML, CSS, Bootstrap, and UI/UX best practices.
• Build RESTful APIs and web services with WCF, Node.js, and related technologies to enable seamless cross‑platform integration.
• Design and implement database solutions across SQL Server, MySQL, PostgreSQL, and MongoDB, including T‑SQL scripting.
• Collaborate in Agile teams to deliver high‑quality software, participate in code reviews, unit testing, debugging, and CI/CD pipelines.
• Utilize Visual Studio, GitHub, TFS, and SVN for version control and project tracking.
• Apply microservices patterns and cloud experience on AWS and Azure to build resilient applications.
• Produce system design documentation using UML diagrams and XSLT to ensure clarity and maintainability.
• Troubleshoot complex issues involving multithreading, SOAP/REST web services, MVC/.NET frameworks, and deployments on IIS or Linux.

Requirements

• Proven experience as a Senior .NET Developer with a strong background in Agile SDLC methodologies.
• Extensive hands‑on expertise in ASP.NET (including MVC), C#, JavaScript frameworks (React, Angular), TypeScript, HTML5/CSS3, Bootstrap, and UI/UX principles.
• Solid understanding of RESTful APIs, web services (SOAP/WCF), microservices, and integration techniques.
• Experience with relational databases such as SQL Server (including T‑SQL), MySQL, PostgreSQL; MongoDB experience is a plus.
• Familiarity with cloud platforms including AWS and Azure for deploying scalable applications.
• Strong debugging skills with experience in unit testing frameworks to ensure code quality.
• Proficiency with version control systems such as GitHub, TFS, SVN; CI/CD pipeline experience is preferred.
• Ability to interpret UML diagrams for system design and documentation.
• Experience in Agile environments using Jira or TFS for project management.
• Proficiency with modern technologies like .NET Core, React, and Python for automation or data processing.

Technologies

• ASP.NET
• C#
• React
• Angular
• JavaScript
• TypeScript
• HTML
• CSS
• Bootstrap
• WCF
• Node.js
• Microsoft SQL Server
• MySQL
• PostgreSQL
• MongoDB
• T‑SQL
• Visual Studio
• GitHub
• TFS
• SVN
• AWS
• Azure
• UML
• XSLT
• IIS
• Linux
• Jira
• .NET Core
• Python