Top .NET Developer Jobs

Develop and enhance ASP.NET/C# browser-based middle-tier and front-end applications, perform unit security scanning and remediate PEN test/SSDLC findings, create installation/maintenance documentation, and collaborate with stakeholders, QA, and architects to design and implement secure multi-tier solutions.

Develop and scale high-performance, multithreaded C# desktop trading UI components within an Agile team. Evaluate new technologies, profile .NET memory/performance, write unit tests, collaborate across teams, and manage multiple concurrent projects.

Senior .NET Core Developer responsible for designing, developing, testing, and maintaining .NET web applications and backend services. Work includes C#, ASP.NET MVC, Web API, front-end JavaScript frameworks (jQuery/React/Angular/Blazor), database development with Oracle/PL‑SQL and SQL Server, automated builds via Microsoft Team Foundation, and participation in Agile SDLC.

Develop, maintain, and optimize backend services and APIs for a scalable healthcare platform using Node.js, Java, or .NET. Integrate third-party services, ensure performance, reliability, and security, collaborate with cross-functional teams, participate in code reviews, and work in an Agile environment to deliver high-quality server-side applications.

Client-facing senior software developer responsible for building and supporting the Global Prime Services Swaps backoffice platform. Work includes implementing trade processing, clearing models, order management and real-time P&L systems, day-to-day support (≈30%) and development (≈70%), and direct collaboration with trading desks, operations, middle office and internal tech teams.

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.

Design and build custom ASP.NET WebForms pages and console applications, create SSRS 2008 reports, troubleshoot and fix custom development (including PHP SDK), handle branch merges, manage CI environment (Perforce, TeamCity, Octopus, GitHub), moderate API/SSO community forum, and produce documentation for new functionality.

Build and maintain custom ASP.NET WebForms and console applications, create SSRS 2008 reports, troubleshoot custom code and PHP SDK, manage branch merges and CI environment (Perforce, TeamCity, Octopus, GitHub), moderate API/SSO forum, and produce documentation for new features.

Join the IT team to develop, maintain, and enhance Windows, web, web-service, and mobile payroll applications using the Microsoft .NET stack. Duties include coding (VB.NET/C#/ASP.NET), debugging, testing, collaborating with analysts, QA and operations, following Agile practices, and learning new technologies.

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.

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.

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, develop, implement and support web applications using .NET Core. Collaborate with internal bank teams and external vendors, troubleshoot production issues, and apply strong interpersonal, leadership, and problem-solving skills.

Design, develop, and maintain scalable ASP.NET/C# APIs and microservices and front-end interfaces (Vue.js, AngularJS) for retail omni-channel and POS platforms. Contribute to architecture, write production-quality code, troubleshoot issues, participate in code reviews, and collaborate with product, design, and QA to deliver features with minimal onboarding.

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.

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

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.

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.

Lead technical direction for a major product domain, reduce architectural debt, mentor engineers, standardize AI-agent workflows, and design scalable backend solutions integrating LLMs and cloud services. Drive cross-team RFCs, cookbook standards, and adopt agentic AI tooling while balancing security, quality, and delivery.

Design, develop, and maintain enterprise .NET applications; lead application architecture, back-end development, integration, deployment, and performance optimization. Assess and improve technical infrastructure, troubleshoot issues, produce technical documentation and system roadmaps, and collaborate with stakeholders to ensure solutions meet business and technical requirements.

Develop and maintain application software (primarily .NET and Java), support users daily, review and improve others' code, produce documentation, and work with web technologies, system interfaces, testing methodologies, and basic database administration to support Air Force and DoD programs.

Design and scale C#/.NET backend microservices for AI-powered document extraction, e-filing, and workflow automation. Integrate LLM and OCR tools, improve observability and performance, collaborate with product and partners, and ensure quality through testing, code reviews, and process improvements.

Develop and maintain InfoTrack's cloud-based web applications. Build backend services, integrate with third-party SOAP/REST APIs, implement features, write high-quality code, collaborate in Agile teams, and support automated testing and full-stack development.

Develop and maintain enterprise .NET applications using .NET Framework/ASP.NET/C#, Angular, and SQL Server. Build MVC-based web services and JSON interfaces, implement frontend with JavaScript/jQuery/HTML, and communicate clearly with stakeholders.