Top Senior .NET Developer Jobs

Develop and maintain scalable software solutions, mentor developers, and integrate AI tools. Collaborate on technical solutions aligned with business goals.

Design, develop, and scale cloud-native .NET applications and APIs on Azure. Produce unit-tested code, implement RESTful and SOAP services, design database objects, and apply cloud architecture patterns while taking on increasing leadership responsibilities.

Design, develop, and maintain enterprise .NET applications; optimize performance; integrate systems; troubleshoot and support production environments; create technical documentation; collaborate with analysts, PMs, and developers to deliver scalable solutions.

The Senior .NET Software Engineer will develop and manage work-management software using a wide technology stack while collaborating with a remote engineering team.

Hands-on senior full-stack engineer building .NET Core backend services and Angular UIs. Design and modernize CAS into cloud-ready microservices, build RESTful APIs, optimize performance, ensure reliability, support CI/CD, and collaborate across product, UX, QA, DevSecOps, and SRE teams. Support AI/automation integrations and follow secure SDLC practices.

The Senior .NET Developer will modernize applications, enhance legacy systems, lead Agile activities, and mentor junior developers while utilizing backend technologies.

The .NET Developer will provide support for new applications and enhancements, implement applications, design specifications, and perform testing in an Agile environment.

As a Senior Full-Stack Software Engineer at Ripple, you'll design and deliver cloud-native solutions using Azure and .NET, mentor engineers, and ensure high-quality software delivery while managing full-stack applications.

As a Staff Software Developer, you'll build full-stack, cloud-native solutions on Azure, own delivery pipelines, ensure software quality, and mentor engineers while linking modern tech with financial organizations.

Design, build, and maintain custom ASP.NET WebForms pages, console apps, and SSRS 2008 reports. Troubleshoot custom development, manage branch merges and CI (Perforce, TeamCity, Octopus, GitHub), document features, moderate API/SSO forum, and support PHP SDK. Engage directly with customers in pre- and post-sales activities.

Rewrite a legacy application into a modern enterprise web app, designing architecture and selecting technologies. Build AngularJS front-end, integrate with RESTful APIs and .NET back end (C#, Entity Framework/NHibernate), apply OOP, TDD, CI, refactoring, and testing (Mocha/Jasmine and NUnit/Microsoft Test). Collaborate with team and potentially consult with stakeholders.

Design and build enterprise full-stack eCommerce solutions, architect scalable service layers, collaborate with QA and Ops, evaluate and extend procured code, research technologies, and promote DevOps and testing best practices in an Agile environment.

Lead C# .NET Backend Developer to architect, build, and maintain scalable microservices and RESTful APIs using .NET Core. Drive CI/CD, containerization (Docker), Kubernetes orchestration, and Azure deployments. Mentor developers, ensure code quality and security, collaborate with QA and product teams, and champion agile practices.

Lead full‑stack developer responsible for designing and building backend APIs in C# (.NET Core/.NET 8) and Angular 8+ frontends. Implement unit testing, CI/CD (YAML) in Azure/Azure DevOps and GitHub, use Docker/Kubernetes, integrate CMS and third‑party systems, ensure code quality (SonarQube, test automation), and troubleshoot production issues.

Design, build, and maintain complex C#/.NET applications (WPF/.NET Core); architect scalable solutions; mentor developers; lead code reviews; troubleshoot, optimize databases and apps; drive testing, SDLC and SAFe practices; reduce technical debt and document solutions.

Lead design and implementation of scalable .NET backend systems on Azure, write maintainable code, mentor engineers, optimize performance, ensure security/compliance, and collaborate with cross-functional teams.

The Senior Full Stack .NET Engineer designs and maintains software systems, manages API integrations, and works closely with cross-functional teams to improve internal platforms and resolve production issues.

Lead back-end development on a small team, building cloud-based .NET services using Entity Framework and Azure with MS SQL. Work in short sprints, iterate rapidly, collaborate across roles, and maintain high code quality for mission-critical situational-intelligence software.

Design, develop, deploy, and support scalable web and Windows applications on the Microsoft stack. Implement integrations with SQL Server, optimize performance, build CI/CD pipelines, mentor junior engineers, and support SaaS platform operations and migrations.

Senior Full Stack .NET Developer to analyze, document, and remediate financial and operational web applications during a statewide financial platform migration. Update ASP.NET/Classic ASP apps, create database views and stored procedures, align apps with new chart of accounts, work with DBAs and business users, use Azure DevOps, participate in scrum, and perform knowledge transfer to technical staff.

Design and optimize backend solutions using .NET Core, develop microservices, lead teams, conduct code reviews, troubleshoot issues, and document technical processes.

Seeking a Senior Full Stack .NET Developer to work on a social good project, with strong skills in C#, AngularJS, design, and UX. Requires 5+ years of experience.

The Senior .NET Developer designs, develops, and maintains scalable applications while providing technical leadership and mentoring junior developers.

As a Senior Software Engineer, you will design and develop scalable systems, enhance underwriting applications, and leverage AI to improve operational efficiency.

The Staff Engineer will leverage 5+ years of experience in C#, JavaScript, and frameworks to lead and innovate solutions in a collaborative environment.