Top Remote .NET Developer Jobs

Develop scalable full-stack applications, APIs, services, and responsive user experiences using .NET and React. Collaborate with architects, designers, product managers, and engineers throughout the product lifecycle. Participate in technical design, architecture, code reviews, automated testing, documentation, deployment, and continuous improvement while ensuring security, performance, scalability, reliability, and maintainability. Work within an Agile, DevOps-oriented team and contribute to observability, integrations, and peer coaching.

Designs, develops, tests, deploys, and maintains cloud-based business applications and integrations using C#, .NET, Azure, Blazor, APIs, and event-driven services. Guides technical direction, mentors engineers, contributes to architecture and code reviews, and ensures secure, scalable, highly available solutions. Owns CI/CD, infrastructure as code, observability, production deployments, incident response, and root cause analysis while collaborating with product owners, architects, vendors, and business stakeholders in Agile teams.

Develop and maintain secure C#/.NET applications, database integrations, APIs, and data migration solutions supporting VA healthcare modernization. Responsibilities include troubleshooting, testing, performance optimization, deployment, Agile collaboration, security validation, and exploring AI-assisted development and LLM integrations. The role requires collaboration with architects and multidisciplinary teams on interoperability and enterprise modernization initiatives.

Develop, remediate, and support a mission-critical Grant Management System integrated with Workday. Build C#/.NET desktop applications, WPF and WinForms interfaces, WCF services, SQL Server databases, SSRS reports, and SSIS ETL processes. Perform testing, troubleshooting, deployments, documentation, and production support while maintaining data integrity, financial compliance, and reliable enterprise integrations.

Design, develop, and maintain scalable applications, REST APIs, backend services, and distributed systems using C# and .NET 8+. Apply object-oriented and SOLID principles, work with relational and non-relational databases, troubleshoot production issues, and collaborate on technical design and code quality. The role also involves cloud development, AI-assisted engineering tools, documentation, and continuous improvement.

Develops and maintains data engineering solutions using .NET technologies. The job description provides no additional responsibilities or qualifications.

Leads the full software development lifecycle, designing scalable .NET solutions, translating requirements into technical specifications, solving complex performance issues, conducting code reviews, and ensuring robust automated and integration testing. The role also involves SQL database optimization, cloud deployment and management using Azure and preferably GCP, cross-platform compatibility, security collaboration, and applying AI tools to improve workflows and decision-making.

Design, develop, operate, and maintain scalable distributed systems and full-stack healthcare applications. Translate business requirements into technical specifications, participate throughout the software development lifecycle, deliver iterative customer-focused releases, and promote maintainable software design. Integrate AI services, LLMs, and agentic workflows into platform architecture while using AI-assisted development tools. Collaborate across teams, support continuous learning, and mentor junior engineers.

Own ToolHound’s technical and product roadmap, architecture, code quality, security, data, performance, releases, and AI-native product development. Lead modernization of its mature .NET platform, ship production AI features safely in a multi-tenant environment, improve velocity and reliability, and mentor the engineering team. Partner with the GM, customers, operators, and business stakeholders to prioritize work, communicate clearly, and increase the platform’s enterprise value.

Provides technical leadership for NeuroFlow’s behavioral health platform by architecting scalable distributed systems, defining engineering standards and technical roadmaps, mentoring engineers, leading cross-team technical decisions, and shaping platform strategy. The role requires advanced full-stack development with C#, .NET, TypeScript, front-end frameworks, APIs, databases, and CI/CD, with healthcare interoperability and cloud experience preferred.

Develop and maintain scalable full-stack products in a .NET-centric environment. Responsibilities include feature development, REST API integrations, testing, code reviews, debugging, performance optimization, deployment, CI/CD participation, and technical troubleshooting. The role requires collaboration across teams, adoption of modern technologies, adherence to software quality standards, and use of C#, .NET, Angular, Azure, SQL Server, and AI-assisted development tools.

Develop web-based applications supporting an expanding e-commerce business. Responsibilities include writing C# and .NET code, building applications with ASP.NET MVC, collaborating with developers, and using Visual Studio, Git, unit testing, integration testing, and build-server workflows. The role is remote but limited to candidates living in Florida, Georgia, Nevada, Ohio, Tennessee, or Texas.

Develops, tests, deploys, maintains, and improves .NET web applications for a federal government client. Translates user stories into software, designs application components and data models, develops vendor interfaces, performs code reviews, monitors system metrics, and creates technical and user documentation. The role participates in Agile processes, supports reporting requests, maintains existing systems, and contributes to software delivery and continuous improvement. Candidates need at least two years of .NET development experience and must be able to obtain Public Trust clearance.

Own and evolve Swyfft’s partner-facing insurance API, including resource design, versioning, backward compatibility, authentication, rate limiting, error handling, metrics, documentation, and contract testing. Build production C# code, maintain the translation layer between public APIs and internal systems, support partner integrations, and collaborate with QA and product. The role requires substantial public API experience, strong API security and multi-tenancy knowledge, and fluency in C#, ASP.NET Core, SQL Server, and Azure.

Designs, develops, maintains, and troubleshoots scalable software applications using .NET, SQL Server, UI frameworks, and cloud technologies. Collaborates with product owners, developers, testers, and technology leads; participates in code reviews; writes documented code; and improves software development practices.

Develop and maintain C# and .NET software using object-oriented design, testing, CI/CD, automation, and modern engineering practices. Analyze requirements, troubleshoot complex applications, participate in Scrum ceremonies, conduct code reviews, document technical solutions, and contribute to distributed systems, REST services, microservices, containerization, and AI-enabled projects. Provide technical guidance, collaborate across teams, and continuously improve development processes.

Develop and maintain frontend and backend software products and systems using technologies such as React, Node.js, and C#/.NET. Write reliable, tested code, contribute to CI/CD pipelines, troubleshoot defects, participate in agile development, and share on-call responsibilities. Collaborate with engineers, product managers, and business partners while contributing to architecture and design. Use and critically evaluate agentic AI coding tools to accelerate development without compromising security, quality, or performance.

Build and support complex features across C#/.NET back-end services and React front ends. Responsibilities include technical design, API and data modeling, secure and tested coding, production troubleshooting, code reviews, mentoring, documentation, and improving engineering practices. Collaborate with Product, QA, DevOps, Technical Leads, and architecture teams while balancing delivery, maintainability, performance, accessibility, observability, and security.

Develop and maintain secure C#/.NET applications and data integration solutions for a federal healthcare modernization project. Responsibilities include database development, REST/SOAP services, troubleshooting, testing, performance optimization, application security, deployment support, Agile collaboration, and documentation. The role also evaluates AI-assisted development and LLM integrations for code generation, testing, data mapping, and migration workflows. Candidates must support remote multidisciplinary teams and be eligible for a Public Trust clearance.

Develop and maintain secure C#/.NET applications and data integration solutions supporting VA healthcare modernization. Responsibilities include database and API development, troubleshooting, testing, performance optimization, Agile collaboration, CI/CD, application security, production support, and technical documentation. The role also evaluates AI-assisted development tools and LLM integrations for code generation, testing, data mapping, and migration workflows.

Develop and modernize legacy web applications by remediating security vulnerabilities, migrating systems to .NET 8+ on AWS, and applying secure coding standards. Responsibilities include refactoring applications, resolving defects, developing and deploying web services, addressing penetration-test and automated-scan findings, and supporting phased deployments. The role requires strong C#, VB.NET, and VB6 experience, relational database knowledge, fluent English, and availability during US time zones.

Design, develop, and maintain cloud-based software using .NET and C#. Collaborate with international teams throughout the software development lifecycle, including architecture, coding, testing, deployment, feature development, and bug fixes. Apply clean-code principles and pragmatic design practices. Support containerized deployments with Docker and Kubernetes, and coordinate effectively across multisite development teams.

Leads architecture and development of complex backend services for a commercial health plan platform. Designs .NET Core and Azure systems, develops claims, eligibility, and benefits functionality, manages healthcare data integrations, and owns cloud infrastructure and CI/CD architecture. Provides technical leadership through code reviews, testing standards, mentoring, and architecture decisions while ensuring performance, reliability, security, and regulatory compliance.

Develop and optimize Microsoft .NET applications, legacy systems, and microservices with a focus on performance, scalability, reliability, and observability. Responsibilities include code reviews, performance testing, CI/CD integration, architecture and sprint delivery, legacy code and SQL tuning, cloud application deployment on Azure, automated testing, and resolving customer issues. The developer collaborates with architects, QA, technical support, and cross-functional teams using SAFe Agile practices.

Develop and maintain legacy VB.NET ERP and modern SaaS applications using C#, .NET, Angular, and SQL Server. Build RESTful APIs and integrations, optimize database performance, troubleshoot production issues, modernize legacy functionality, and use AI coding agents for development, refactoring, testing, and debugging. Collaborate remotely with product, development, and QA teams while ensuring code quality, security, performance, and maintainability.