Top .NET Developer Jobs

Leads full-stack development, maintenance, troubleshooting, and implementation of a federal HR position classification application. Develops .NET APIs, integrates PeopleSoft and Oracle data, maintains authentication services, automated tests, documentation, and Azure DevOps pipelines. Builds AI-assisted applications using LLMs and related technologies while supporting production operations, root-cause analysis, and controlled releases.

Leads a team of up to 12 developers while designing and delivering enterprise full-stack applications using .NET, Angular, microservices, REST APIs, and relational and NoSQL databases. Translates business requirements into technical solutions, manages delivery timelines and compliance artifacts, supports UAT, and promotes CI/CD and DevOps practices. The role also includes stakeholder collaboration, technical estimation, code promotion, repository governance, performance optimization, and mentoring in a regulated financial technology environment.

Develop and maintain .NET/C# applications in a legacy federal environment. Design data integration, movement, modeling, and ETL solutions across databases and platforms; troubleshoot development and production environments; analyze COBOL and mainframe systems; and support architecture, deployment, interoperability, documentation, and continuity efforts. Collaborate with federal staff, vendors, and internal teams while improving system reliability, scalability, and modernization capabilities.

Build and maintain full-stack behavioral health technology features and services. Responsibilities include translating team goals into technical plans, designing APIs and services, evaluating technical tradeoffs, identifying risks, contributing to architecture, collaborating with product and QA, mentoring junior engineers, and improving testing and engineering practices. The role requires C#, TypeScript, .NET, modern frontend frameworks, databases, CI/CD, Docker, Kubernetes, and automated testing experience.

Develop and enhance .NET applications within the Concorde framework for DEA law-enforcement missions. Responsibilities include Agile software development, legacy application support, DevSecOps practices, database-backed web development, application integration, production delivery, and work across classified and unclassified environments. The role requires extensive ASP.NET, C#, MVC, .NET Core, JavaScript, SQL, XML, and relational database experience, along with an active Secret clearance and U.S. citizenship.

Develops and maintains responsive web applications using .NET, ASP.NET, Angular, JavaScript, and related technologies. Designs microservices, APIs, database schemas, and automated workflows; collaborates with business and technology teams to translate requirements into solutions. Manages SDLC artifacts, code repositories, deployments, UAT, defect resolution, security measures, and operational support. Requires independent judgment, strong application development expertise, and familiarity with DevOps, CI/CD, automation, containers, and AI fundamentals.

Leads the design, development, architecture, and implementation of high-throughput enterprise applications using .NET and C#. Responsibilities include resolving complex technical issues, developing event-driven microservices, enforcing architecture and security standards, managing CI/CD and deployments, mentoring engineers, and delivering secure, scalable, highly available systems. The role also requires database engineering, containerization, technical leadership, cross-functional collaboration, and risk governance.

Leads architecture and hands-on development of a next-generation online banking platform using .NET and C#. Responsibilities include system design, production coding, team mentorship, full-stack development, AI/LLM integration, cloud infrastructure, CI/CD, real-time services, security, compliance, and rapid product delivery. The role partners with financial institutions and internal technology groups to build secure, scalable solutions for regulated banking environments.

Develop and modernize county permitting applications by migrating legacy systems to .NET and Oracle platforms. Build C# MVC applications, JavaScript interfaces, Oracle database solutions, SSIS ETL packages, SSRS reports, and secure REST/SOAP integrations. Implement workflow automation, online submissions, invoicing, payments, and ECM integration while maintaining data integrity and regulatory compliance. Collaborate with county analysts, business users, vendors, and cross-functional teams in a hybrid Miami-area environment.

Develop, enhance, test, and support .NET applications, APIs, databases, data integrations, and production systems. Investigate technical issues, participate in code reviews, manage source control, and contribute to data modeling and movement solutions. Collaborate with technical and business teams to translate requirements into secure, maintainable solutions while supporting modernization initiatives and complying with banking risk and regulatory controls.

Design, build, and maintain production-grade .NET web applications and APIs on Azure. Own full-stack delivery from data models and SQL to front-end components, CI/CD, testing, and architecture. Collaborate with product and delivery teams, participate in code reviews, and ensure secure, observable, well-tested services.

Develop and modernize full-stack .NET applications, APIs, interfaces, databases, Azure services, and AI-enabled features supporting NIH systems. Implement identity, authentication, authorization, secure integrations, automated testing, CI/CD, and DevSecOps practices. Maintain legacy Windows services and SOAP/WCF integrations while collaborating with technical and business teams in an Agile Scrum environment. The role requires hybrid onsite work in Bethesda, Maryland and eligibility to obtain a Public Trust clearance.

Leads the design, development, and implementation of full-stack applications using C#, .NET, Angular, Azure, and SQL Server. Collaborates with cross-functional teams, ensures application security, performance, and scalability, applies Git-based version control practices, mentors developers, and stays current with emerging technologies.

Short-term, on-site .NET developer contract in Plano, TX (3+ weeks). Immediate start; pay $40–$55/hr. Provide .NET development support for the duration of the contract.

Develop and maintain ClickSchedule (.NET) solutions, collaborate with business and technical stakeholders, deliver features and fixes. Contract role: $80/hr for six months with possible extension.

Design, develop, test, and support scalable full-stack applications and cloud-native microservices using .NET, Angular, AWS, SQL, and NoSQL technologies. Build APIs, data integrations, ETL pipelines, and CI/CD solutions while improving system performance, reliability, and scalability. Collaborate with product, architecture, and engineering teams, participate in design and code reviews, troubleshoot applications, document technical solutions, and apply modern DevOps and AI-assisted development practices.

Build, modernize, and maintain cloud-native .NET websites and applications. Design and develop full-stack solutions across application layers, troubleshoot software issues, and ensure compatibility, usability, web standards, and quality delivery. Collaborate with developers, end users, and cross-functional teams to define and implement IT solutions, while contributing to governance, change management, and application modernization.

Design, develop, and modernize scalable enterprise applications using .NET/C# backend services and React/TypeScript frontends. Build secure REST APIs, micro-frontends, and cloud-native solutions; apply clean architecture, testing, CI/CD, and observability practices. Collaborate with architects, product owners, DevOps, QA, and platform teams. Provide technical leadership, mentor engineers, document designs, address scalability and technology risks, and support reliable production deployments in a regulated financial-services environment.

Design, develop, and modernize scalable enterprise applications using .NET, C#, React, and TypeScript. Build secure REST APIs, microservices, and micro-frontends; implement clean architecture, testing, CI/CD, observability, and cloud-native practices. Collaborate with architects, product owners, DevOps, and QA teams, mentor engineers, support production systems, resolve incidents, and address scalability, technology risk, and regulatory requirements.

Develops, tests, debugs, maintains, and enhances complex financial software applications using .NET technologies. Translates technical and functional specifications into technical designs, resolves architectural issues involving scalability, performance, reliability, usability, and security, and contributes to development standards and strategic technical planning. The role is performed onsite Monday through Friday in Lincoln, Nebraska.

Designs, develops, tests, deploys, and supports scalable software products and platform capabilities using C# and modern .NET. Builds APIs, backend services, frontend components, integrations, and AI-enabled application features in Azure. Owns capabilities through production support, modernization, monitoring, and continuous improvement. Contributes to architecture, code reviews, CI/CD, security, reliability, and technical planning while collaborating with global Product, Engineering, Architecture, Security, and Platform teams. Mentors engineers and supports maintainable, production-grade applications.

Design, develop, test, maintain, and document secure .NET web and database applications. Build responsive front-end experiences, integrate APIs and data feeds, support Azure and AWS cloud applications, and apply OWASP-aligned security practices. Translate stakeholder requirements into technical solutions, participate in Agile development, code reviews, vulnerability remediation, troubleshooting, testing, and documentation. Collaborate with technical, security, database, cloud, and business teams while supporting GIS integrations and continuous improvement.

Owns the full lifecycle of critical banking applications and services, including architecture, development, testing, deployment, modernization, production support, and retirement. Designs secure, resilient solutions using C#/.NET, APIs, databases, cloud platforms, containers, and DevOps tooling. Leads technical analysis, code and design reviews, incident response, resiliency improvements, regulatory compliance, and cross-team coordination. Mentors engineers and evaluates AI-assisted development tools while maintaining security, quality, and operational standards.

Software Engineering Intern assisting with application development, testing, debugging, documentation, and deployment using C#, ASP.NET, and .NET Core. The role involves collaborating with senior developers throughout the software development lifecycle, troubleshooting issues, writing maintainable code, and building practical software engineering skills. Candidates must have a completed bachelor’s degree and foundational knowledge of web development, databases, object-oriented programming, and software development principles.

Develop and support full-stack web applications using C#, .NET, HTML, CSS, SQL Server, Blazor, Razor Pages, and ASP.NET MVC. Build APIs, integrations, and data-access layers; contribute to Azure cloud solutions; apply secure coding practices; troubleshoot issues; and collaborate with ministry and operational teams to deliver reliable technical solutions.