Top .NET Developer Jobs

Develops, maintains, tests, and modernizes enterprise applications spanning IBM mainframe and Microsoft .NET environments. Responsibilities include Easytrieve analysis, C# development, SQL and database optimization, SSIS/SSRS reporting, ETL, integrations, production support, documentation, testing, and legacy migration. The role collaborates with business and technical teams and requires expertise with healthcare claims data, including CMS 835 and 837 transactions.

Leads the design, development, testing, integration, and support of enterprise software using Microsoft Power Platform and Azure. Builds Power Apps, workflows, Dataverse solutions, REST integrations, custom APIs, and secure cloud applications. Drives software engineering standards, ALM, CI/CD, DevSecOps, architecture, troubleshooting, and continuous improvement. Partners with business and technical stakeholders, mentors engineers, conducts research and demos, and delivers scalable solutions for enterprise maintenance modernization.

Build and configure SharePoint websites, develop SharePoint applications, and create business process management, collaboration, and business intelligence tools. Work with SharePoint, .NET, C#, SQL Server, Access, and related Microsoft technologies. Translate complex information into accessible solutions for nontechnical users while working independently and communicating effectively.

Develops, deploys, maintains, and monitors software applications and systems. Responsibilities include installing and configuring software, testing for defects, resolving business systems issues, improving system performance, implementing technology solutions, documenting findings, supporting cybersecurity compliance, and training junior engineers. The role requires collaboration with technology professionals and is primarily onsite in Birmingham, Atlanta, or Charlotte.

Develops, deploys, tests, monitors, and maintains software applications and systems. Identifies and resolves business system issues, improves system performance, ensures cybersecurity and regulatory compliance, and documents solutions. Collaborates with technology professionals, manages multiple projects, and may lead junior associates. The role is primarily onsite in Birmingham, Atlanta, or Charlotte.

Develops and maintains Adobe Experience Manager solutions, including components, templates, fragments, workflows, services, and integrations. Integrates AEM with .NET applications, APIs, databases, and enterprise systems. Troubleshoots production issues, optimizes performance, collaborates with technical and business teams, and follows development, security, and CI/CD standards.

Develop, customize, integrate, and maintain enterprise applications using Adobe Experience Manager and .NET/C#. Build AEM components, templates, workflows, fragments, services, and integrations with backend systems and APIs. Develop database solutions using SQL Server or Oracle, troubleshoot production issues, optimize performance, and collaborate with technical and business teams. The role requires onsite work in Mechanicsburg, Pennsylvania and familiarity with version control, security practices, and CI/CD processes.

Design, build, and maintain high-throughput backend services and APIs for FactSet’s Investment Book of Record platform using C# and .NET Core. Develop Python-based data pipelines, reconciliation tools, and analytics scripts; manage MongoDB and MySQL performance and integrity; contribute to architecture and code reviews; collaborate with product managers; and mentor junior engineers.

Develops full-stack .NET and RPA solutions that improve operational efficiency and member and employee experiences. Responsibilities include building web-based front-end and backend applications, collaborating with stakeholders, coordinating meetings, supporting user acceptance testing, conducting peer reviews, ensuring quality and security, and delivering solutions aligned with business requirements. The role also requires managing multiple priorities, learning new technologies, and collaborating with internal departments and vendors.

Develop and modernize enterprise .NET applications using C#, Microsoft SQL Server, cloud-native architectures, CI/CD, TDD, and automated testing. Analyze legacy code and data, modernize SQL jobs and stored procedures, support Agile teams, promote engineering best practices, and provide technical mentorship.

Lead .NET full-stack developer responsible for building web applications using Visual Studio, ASP.NET, C#/VB.NET, SQL Server, and front-end tech (HTML/CSS/JavaScript). Deliver data mining, analytics, reporting and dashboard solutions using Excel/Sheets/Slides and data visualization tools (Looker or Tableau). Must have strong SQL and programming skills (Python, JavaScript, or Java). Experience with AI/Gen-AI implementations is a plus.

Develop and modernize enterprise applications using C#/.NET and PostgreSQL, including refactoring a Microsoft Access/VBA application. Responsibilities include writing maintainable code, participating in code reviews, testing, documentation, deployment, and collaborating with the software development team in a fully remote environment.

Develop and maintain scalable enterprise web applications using React, JavaScript or TypeScript, C#, and .NET. Build responsive interfaces, backend services, REST APIs, and microservice integrations. Design Azure cloud solutions, support CI/CD deployments, participate in architecture and code reviews, troubleshoot applications, and collaborate with stakeholders, QA, product owners, and developers in an Agile/Scrum environment.

Designs, develops, tests, debugs, documents, and maintains full-stack .NET software applications. Analyzes requirements, writes technical specifications, supports the full software development lifecycle, evaluates technologies, troubleshoots code, and collaborates with users to prototype and refine solutions. Works independently as a technical expert on complex development projects.

Leads the architecture, design, development, testing, optimization, and maintenance of scalable .NET software systems. Provides technical guidance, resolves complex production issues, drives quality and innovation, evaluates emerging technologies and AI capabilities, and collaborates with cross-functional stakeholders to deliver reliable solutions. The role includes code reviews, performance tuning, automated testing, and support across the full software development lifecycle.

Develop and maintain mission-critical full-stack applications across UI, API, and database layers. Responsibilities include coding, testing, deployment, troubleshooting, performance optimization, application security, stakeholder communication, documentation, and mentoring developers. The role requires expertise in ASP.NET Web API, Entity Framework, C#, RESTful services, SQL Server, AngularJS, JavaScript, CSS, and HTML.

Develop n-tier web and desktop applications using C#, ASP.NET MVC, SQL Server, JavaScript, HTML, and CSS. Responsibilities span end-to-end software development, including client-side design, web services, server-side business logic, and database design, development, storage, and access.

Develop and support enterprise applications using .NET technologies, including C#, ASP.NET, MVC, SQL Server, LINQ, WCF, Entity Framework, Web API, and XML. The role may involve designing enterprise applications, applying design patterns, and using application blocks. This is a full-time, permanent W2 position with benefits and telephone interviews.

Develops secure, maintainable C#/.NET software and cloud-native AWS services for healthcare payment workflows. Responsibilities include system design, application development, testing, troubleshooting, SDLC execution, observability, resiliency, scalability, and operational stability. The engineer also integrates AI/ML and GenAI capabilities for automation, fraud detection, and data-driven decisions, while validating AI-assisted coding outputs through testing, peer review, and secure engineering practices.

Develop and maintain scalable .NET software and platforms for healthcare scheduling and workforce management. Design microservice architectures, apply domain-driven design, and advise on technical decisions. Build automated tests, monitor infrastructure, support CI/CD, and improve reliability and performance. Collaborate with product, data, business, and engineering teams while mentoring developers, documenting systems, participating in Agile ceremonies, and driving technical standards and excellence.

Develop and maintain middleware platforms for the myQ residential and commercial products. Translate product requirements into technical designs, lead Agile development and offshore teams, manage codebase changes and technical debt, ensure coding standards and security compliance, and collaborate with product, architecture, infrastructure, database, QA, and firmware teams. Mentor engineers, participate in technical reviews, troubleshoot issues, document solutions, and support project estimation and progress reporting.

Develop and maintain full-stack web applications supporting U.S. Army mission requirements. Build backend services, APIs, business logic, databases, and modern web interfaces using .NET, SQL Server, JavaScript, HTML, and CSS. Modernize legacy applications, apply secure development practices, create database objects and documentation, participate in testing and code reviews, and collaborate with government and contractor teams. The role is primarily onsite at Rock Island Arsenal with limited work-from-home flexibility.

Develop and maintain full-stack applications using C#/.NET, Angular, and SQL Server. Build backend and frontend functionality, create database components, troubleshoot defects, deliver new features, and manage work through Azure DevOps. Collaborate with stakeholders and developers, participate in code reviews, follow coding standards, and work within an Agile/Scrum environment.

Develop and test full-stack software for a real-time hospital patient monitoring platform. Responsibilities include designing scalable and reliable components, writing technical specifications, implementing software solutions, reviewing code, mentoring engineers, optimizing performance, and applying engineering best practices in an Agile environment. The role uses C#, .NET, React, GraphQL, databases, and cloud-native technologies while collaborating with cross-functional teams.

Designs, develops, tests, deploys, and supports scalable full-stack enterprise applications for Fidelity’s retirement platforms. Builds RESTful APIs and transactional systems using C#, .NET, and Java; develops cloud-neutral, containerized services; participates in architecture and code reviews; modernizes legacy systems; supports production releases; and mentors junior developers within Agile Scrum teams.