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Top .NET Developer Jobs in Washington, DC

3 Days Ago
Washington, DC
Remote
2,780 Employees
Senior level
2,780 Employees
Senior level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
The Senior Software Engineer will design, implement, test, and maintain high-quality software solutions. Responsibilities include collaborating on full-stack application features, contributing to automated testing systems, monitoring application performance, debugging issues, and mentoring team members to foster a supportive work culture.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+53 More
3 Days Ago
Washington, DC
Remote
2,780 Employees
Senior level
2,780 Employees
Senior level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
The Senior Full Stack Developer will work within an Agile Scrum team to develop and enhance the Applied Epic software product while collaborating with Product Owners and team members to provide high-quality technical solutions and mentorship to junior developers.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+53 More
4 Days Ago
Washington, DC
Remote
2,780 Employees
Senior level
2,780 Employees
Senior level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
As a Senior Software Engineer at Applied Systems, you will develop and enhance the Applied Epic product using C#, .NET, TypeScript, and React. You will work within an Agile Scrum team, collaborate with other developers and stakeholders, and provide technical leadership. Additionally, you will mentor junior developers and contribute to improving work processes.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+53 More
8 Days Ago
Washington, DC
Remote
2,780 Employees
Senior level
2,780 Employees
Senior level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
The Senior Full Stack Developer will work on the Applied Epic software product, focusing on developing and maintaining applications using C#, React, TypeScript, and SQL Server. Responsibilities include collaborating within an Agile Scrum team, mentoring junior developers, and leading technical solutions.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+53 More
21 Days Ago
Washington, DC
Remote
2,600 Employees
Senior level
2,600 Employees
Senior level
Artificial Intelligence • Fintech • Information Technology • Software • Data Privacy
As a Principal Software Engineer, you will lead the design and development of data-driven SaaS solutions for compliance clients. Your role includes writing quality code, optimizing performance, and collaborating with a diverse team. You will also focus on addressing technical debt and ensuring the maintainability of systems through best practices in software engineering.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+64 More
3 Days Ago
Washington, DC
146 Employees
Senior level
146 Employees
Senior level
Information Technology
Senior Application Developer responsible for designing, developing, delivering, and enhancing Client-Server/Web-Based/Cloud-Based/Mobile Software Applications using Microsoft .NET Technologies, ASP, and C#. Responsibilities also include troubleshooting, system fixes, enhancing reporting capabilities, and proactive application monitoring. Must ensure high-quality, defects-free applications adhering to industry standards.
3 Days Ago
Washington, DC
146 Employees
Senior level
146 Employees
Senior level
Information Technology
Senior Application Developer with experience in designing, developing, delivering, and enhancing Client-Server/Web-Based/Cloud-Based/Mobile Software Applications using Microsoft .NET Technologies, ASP, and C#. Responsibilities include building additional functionality, troubleshooting production issues, and enhancing reporting capabilities.
3 Days Ago
Washington, DC
250 Employees
Senior level
250 Employees
Senior level
Information Technology • Consulting
Develop web applications using a variety of technologies including .NET, C#, Entity Framework, and RESTFul APIs. Maintain client trust, troubleshoot issues, and provide innovative solutions. Requires 5 years of experience and a Bachelor's degree.

Featured Jobs

7 Hours Ago
Washington, DC
Remote
30 Employees
Senior level
30 Employees
Senior level
Marketing Tech
As a .NET Developer at Dragon Army, you will build and maintain data-driven business applications, collaborate with a backend team, and ensure best practices in .NET API development while staying current with architectural trends.
3 Days Ago
Washington, DC
Remote
1,240 Employees
Senior level
1,240 Employees
Senior level
Automotive • Consumer Web
The role involves designing and developing ASP.Net MVC and ASP.Net Core web applications for the automotive sector, including migrating existing applications. Responsibilities include gathering requirements, designing software, and collaborating with product management and QA. Candidates must have strong technical skills and experience in a high-volume web application environment.
Top Benefits:
401-K
Company Outings
Dental Insurance
+12 More
3 Days Ago
Washington, DC
Remote
2 Employees
Mid level
2 Employees
Mid level
Information Technology
The Senior Software Engineer will design, develop, test, deploy, and maintain scalable services and APIs, collaborating with internal teams, ensuring best practices, and mentoring junior engineers.
3 Days Ago
Washington, DC
Remote
4,900 Employees
117K-155K Annually
Senior level
4,900 Employees
117K-155K Annually
Senior level
Fintech • Payments
The Senior C#.NET Developer will be responsible for coding, debugging, and improving cloud-deployed software applications. They will participate in SCRUM, collaborate with team members and stakeholders, and ensure quality through testing and peer reviews. The role involves continuous improvement and making tech recommendations.
Top Benefits:
401-K
Adoption Assistance
Company Equity
+18 More
5 Days Ago
Washington, DC
Remote
14 Employees
Senior level
14 Employees
Senior level
Digital Media
As a Senior .NET Software Engineer at Blenderbox, you will be responsible for back-end development, code reviews, and collaborating with cross-functional teams to design, integrate, and enhance .NET software products, ensuring scalability and security while contributing to project execution and addressing technical challenges.
6 Days Ago
Washington, DC
Remote
300 Employees
115K-140K Annually
Senior level
300 Employees
115K-140K Annually
Senior level
Artificial Intelligence • Healthtech • Information Technology • Machine Learning
The Senior Software Engineer will develop and maintain back-end services and document management tools, design front-end web architecture, optimize SQL code, and collaborate with UX designers in a dynamic environment. They will also contribute to the Agile development lifecycle and resolve technical issues across backend, frontend, and database.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+37 More
9 Days Ago
Washington, DC
Remote
654 Employees
Mid level
654 Employees
Mid level
Edtech • Information Technology • Other
The Senior Full Stack DevOps Engineer at Degreed is responsible for designing, building, and maintaining infrastructure that supports a learning platform. Key tasks include migrating services from AWS to Azure using container-based solutions, improving software delivery processes, and collaborating with development teams.
Top Benefits:
401-K
Child Care Benefits
Company Equity
+17 More
9 Days Ago
Washington, DC
Remote
4,900 Employees
117K-155K Annually
Senior level
4,900 Employees
117K-155K Annually
Senior level
Fintech • Payments
As a Senior .NET Developer, you will design and analyze software projects, solve customer problems, and support software development projects. Your responsibilities include software planning, development, and testing, ensuring adherence to standards while enhancing application architecture and collaboration with various stakeholders.
Top Benefits:
401-K
Adoption Assistance
Company Equity
+18 More
10 Days Ago
Washington, DC
Remote
361 Employees
117K-171K Annually
Senior level
361 Employees
117K-171K Annually
Senior level
Software
As a Senior .NET Software Engineer, you will design, develop, and maintain web-based applications while ensuring software quality and optimizing processes. Your role includes managing Azure resources, enhancing CI/CD pipelines, and collaborating with team members in an agile environment to deliver high-quality solutions.
10 Days Ago
Washington, DC
Remote
4,900 Employees
Senior level
4,900 Employees
Senior level
Fintech • Payments
As a .NET Development Engineer at WEX, you will design and analyze software projects, ensuring high performance, scalability, and supportability. Your responsibilities include software development, testing, resolving issues, and collaborating with teams on architecture and design, while adhering to security best practices.
Top Benefits:
401-K
Adoption Assistance
Company Equity
+18 More
11 Days Ago
Washington, DC
Remote
17,673 Employees
90K-188K Annually
Senior level
17,673 Employees
90K-188K Annually
Senior level
Information Technology
As a Senior .NET Application Developer, you will develop and maintain applications using .NET technologies, integrate with AWS services, manage code repositories, and ensure compliance with standards. You will work with large datasets for reporting while collaborating with teams and adhering to Agile methodologies.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+19 More
22 Days Ago
Washington, DC
Hybrid
48 Employees
Junior
48 Employees
Junior
Big Data • Analytics
Makpar is seeking a .Net Developer with SharePoint administration experience to work on public-facing websites and reporting databases. Responsibilities include configuring SharePoint environment, developing web applications using ASP.NET technology, and collaborating with the team for scalable web-based services.
22 Days Ago
Washington, DC
250 Employees
Senior level
250 Employees
Senior level
Information Technology • Consulting
The Sr. .NET Developer I will develop modern web applications using .NET and C#, collaborate with Agile teams, gather product requirements, and conduct code reviews and application testing. You'll leverage various technologies and ensure the delivery of quality solutions to meet customer needs.
23 Days Ago
Washington, DC
1,400 Employees
Senior level
1,400 Employees
Senior level
Agency • Artificial Intelligence • Fintech • Healthtech • Information Technology • Professional Services • App development
Collaborate with stakeholders to translate business requirements into technical solutions, develop n-tier applications using C#, ASP.NET, and Azure, ensure code quality, implement CI/CD pipelines, design cloud-based solutions on Azure, and provide technical expertise to clients. Stay up-to-date on industry trends and technologies.
Top Benefits:
401-K
401-K Matching
Company Outings
+40 More
13 Days Ago
Washington, DC
Remote
124 Employees
140K-160K Annually
Senior level
124 Employees
140K-160K Annually
Senior level
Insurance
The Senior Software Engineer will focus on developing APIs and micro-services, modernizing legacy systems, and ensuring platform security and scalability. Responsibilities include designing maintainable codebases, working with Microsoft technologies, maintaining CI/CD pipelines, and documenting architectural decisions.
13 Days Ago
Washington, DC
Remote
183 Employees
120K-153K Annually
Senior level
183 Employees
120K-153K Annually
Senior level
Healthtech
As a Full Stack Engineer, you will design, develop, and support cloud-native web and data analytics applications. You'll collaborate in an Agile environment, write clean maintainable code, build user-friendly components, and take ownership of projects ensuring performance and quality standards while engaging with cross-functional teams.
13 Days Ago
Washington, DC
Remote
51 Employees
Senior level
51 Employees
Senior level
Information Technology • Software • Consulting
This role involves designing, developing, and testing features for internal and client-facing projects using a variety of technologies. Responsibilities include writing clean code in C# and JavaScript, ensuring application performance, and adapting to new technologies. The position requires problem-solving abilities and a collaborative work ethic in an agile environment.
Top Benefits:
401-K
Commuter Benefits
Company Outings
+12 More
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