C# / .Net Developer
$125kSynergy ECP
NetServices (NSI) is an IT services firm with a long-standing reputation for delivering high-quality, cost-effective solutions to drive lasting results. Now operating as a subsidiary of Synergy ECP, NSI continues to stand out in a crowded contracting landscape through its agility, strong customer focus, and commitment to retaining exceptional talent. By taking on challenging IT initiatives, we cultivate our talent and are continually evolving through our partnerships with clients. Our close-knot team of highly cleared engineers, analysts, and program managers represent some of the best talent locally available. As a C# / .NET Developer, you will contribute to the development, enhancement, and maintenance of web applications and services that support mission‑critical operations. You will work hands‑on with the .NET framework and associated technologies to build clean, efficient, and reliable backend components that integrate seamlessly with front‑end and cloud‑based systems. In this role, you will collaborate closely with senior developers, designers, product owners, and other team members to deliver high‑quality software solutions that follow best practices and meet customer needs. You will also support defect resolution, participate in code reviews, and continually grow your skills under the guidance and mentorship of a Senior C#/.NET Developer. What you'll do: Design, develop, test, and maintain application features using C#, ASP.NET, Entity Framework, and SQL Server Modify and enhance existing application code to improve performance, functionality, and maintainability Integrate third‑party components and APIs as needed Participate in the full software development lifecycle, including planning, requirements analysis, implementation, testing, and deployment Collaborate with senior developers and architects to implement technical designs and follow established patterns and standards Write clean, scalable, and maintainable code aligned with best practices and team guidelines Conduct unit and integration testing to validate functionality and ensure code quality Troubleshoot and resolve technical issues, defects, and performance bottlenecks Use Git/GitLab for source control, branching, and code collaboration Support O&M tasks such as minor enhancements, bug fixes, and performance tuning Participate in code reviews and apply feedback from senior engineers to improve your technical proficiency Assist with remediating code and package vulnerabilities identified through scans, with senior guidance What you’ll need: Bachelor’s degree and 8 years of software engineering experience 3–5 years of professional experience developing software using C# and the .NET framework Experience with ASP.NET, Entity Framework, and SQL Server Familiarity with architectural patterns and API styles (REST, RPC) Experience writing and executing unit tests and performing integration testing Understanding of secure coding practices and willingness to follow vulnerability remediation guidance Ability to collaborate with cross‑functional teams and translate requirements into technical tasks Strong problem‑solving skills and ability to work independently when implementing assigned tasks Bonus points if you have: Experience with cloud platforms (AWS or Azure) Basic understanding of DevOps practices or exposure to CI/CD pipelines (GitLab preferred) Experience working with Object‑Relational Mappers (ORMs) such as Entity Framework Knowledge of SQL or NoSQL database design principles Experience with containerization tools (Docker) Familiarity with Agile/Scrum development processes Relevant certifications in .NET development or cloud technologies. Experience working in an Agile/Scrum development environment. Strong problem-solving skills and attention to detail. Excellent communication and collaboration skills. Security Clearance requirement: Must possess active TS/SCI clearance to be considered for this role. Other Requirements: U.S. Citizenship Compensation Spotlight: For this role, our typical salary range starts at $125,000 and stretches up to $155,000. But here's the deal – we're not about capping your potential. We're committed to snapping up the best and brightest, and we're ready to put our money where our mouth is. So, if you're one of the rare exceptions to the status quo with the education, experience, and that extra something special, we're not afraid to go above and beyond to secure your talent. Because for us, it's not just about a salary. It's about the complete rewards package, the culture, and the opportunity to make a real impact.
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$91.3k - $184.9k
...change that moves missions and the government forward! As a .NET Developer, you will contribute to the development, enhancement, and maintenance... ...grow your skills under the guidance and mentorship of a Senior C#/.NET Developer. What you'll do: Design, develop, test, and...C#Full timeLive inWork at officeLocal area$147k - $161k
As Sr. .Net Developer II, you’ll serve as a senior full-stack engineer and technical lead, building and modernizing enterprise applications... ..., DC. 8+ years of progressive experience in .NET development (C#, ASP.NET MVC, ASP.NET Core), including experience in a technical...C#Full timeWork experience placementWork at officeLocal areaFlexible hours$125k
...represent some of the best talent locally available. As a .NET/React Full Stack Developer, you will play a critical role in the development and... ...Dependency Injection) Experienced with .NET languages (e.g. C#, ADO.NET, EF) Familiarity or experience with architecture...C#Full timeFlexible hours$69.4k - $158k
.NET Software Engineer The Opportunity: As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you... ...applications using Agile methods 2+ years of experience with C# and Web API Experience with Agile methodology,...C#Full timeContract workPart timeWork at officeLocal areaRemote work$69.4k - $158k
.NET Software Engineer The Opportunity: As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast and agile environment. If... ...applications using Agile methods 2+ years of experience with C# and Web API Experience migrating from .NET...C#Full timeContract workPart timeWork at officeLocal areaRemote work- ...Job Title: Sr .Net Developer Location: Washington, DC Duration: 6+ Months Job Requirements Development experience in enterprise... ...tools and languages. Proficiency of the following: VB, C#, SQL Server, ASP.NET MVC, ASP.NET Web Forms, HTML5/CSS (Bootstrap...C#
- ...Job Title: Senior .Net Developer Location: Washington, DC Position Type: Long term contract Security clearance is a plus. Technical Skills : ASP.NET MVC, WCF. C#.NET, ADO.NET, JQuery, Entity Framework, Experience in architecture, design,...C#Long term contractWork experience placement
- ...Job Title: Senior .Net Developer Location: Washington, DC Position Type: Long term contract Skills and work experience with the following technologies •.NET C# - Strong skill required •HTML 4.0 – Strong skills required •CSS – Strong skills...C#Long term contractWork experience placement
- ...Job Description Job Description Overview The C# .NET Developer will contribute to the development, enhancement, and maintenance of web applications and services that enable mission‑critical operations in a federal environment. This role will work hands‑on with...C#Temporary workWork at officeLocal areaFlexible hours
- ...Description We are seeking a full-time, backend-focused Senior .NET Developer to support application modernization initiatives and ongoing... ...execution Build, maintain, and enhance backend services using .NET (C#), GraphQL, and relational databases Contribute to and...C#Full timeLocal area
- ...makpar.com/careers. The Position: Makpar has an exciting opportunity for a .Net Developer to join our growing team. his role is responsible for building .NET applications using C#, Entity Framework, Unit Test, and Azure DevOps. Your primary responsibility will be...C#Permanent employmentStart working todayFlexible hours
- ...Signing bonus Makpar has an exciting opportunity for a Software Engineer II (.NET Developer) to join our growing team. His role is responsible for building .NET applications using C#, Entity Framework, Unit Test, and Azure DevOps. Your primary responsibility will...C#Permanent employmentFull timeContract workFor subcontractorRelocation package
$150k - $180k
...ownership, and execution over bureaucracy. Title: Full Stack .NET Developer Location: Onsite (Washington, D.C.) Terms: Full-time... ...Design, develop, test, and maintain full stack applications using C# and the .NET ecosystem Build and enhance backend services,...C#Full timeWork experience placementFlexible hours- ...Job Description Job Description .NET Developer (Angular) - On Site Role Job Description Duties: Design, develop and implement complex solutions based on Microsoft .NET Framework 4.5+ using C#, ASP.NET and ADO.Net. Translate applications requirements into...C#
- ...Job Description Job Description As a .NET Full Stack Developer, you will play a critical role in the development and maintenance of web applications... ...-Controller (MVC) - Experienced with .NET languages (e.g. C#, Visual Basic .NET) and HTML5/CSS3 - Familiarity or...C#
- ...in high-stakes environments. Evolver is seeking a Senior .NET Developer to support the work and projects of our client in Washington D... ...of experience developing web applications using Microsoft C# ~5 years of front-end development experience with JavaScript,...C#Flexible hours
- ...DESCRIPTION WAS CREATED BY AI, REVIEW BEFORE POSTING Position: .NET Full Stack Developer Location: Seattle, WA (Hybrid 3 days onsite) Duration: 6... ...with .NET Full Stack Development. ~Strong experience with C#, ASP.NET Core, .NET Framework/.NET 6+. ~Experience building...C#Full timeContract work
- ...Intern at Danaher, you’ll work alongside experienced engineers developing diagnostic software that powers critical healthcare tools used across... ...Work On Writing and debugging code in languages such as C#, Java, Python, or C++ Participating on an Agile Scrum team, collaborating...C#Remote jobInternship
- ...Job Description Job Description Overview The. NET/React Developer will play a critical role in the design, development, and maintenance... ...maintain web applications and APIs using the ASP.NET framework, C#, Entity Framework, and SQL Server. Develop and maintain...C#Temporary workWork at officeLocal areaFlexible hours
$103.27k - $206.54k
..., and data breaches, ensuring secure and defensible outcomes Develop proficiency in and utilize industry-standard, command-line Digital... ...and data processing scripts utilizing Python, Rust, C++, C#, or Java to streamline client deliverables Supervise team members...C#Full timeH1bLocal area- ...Opportunity for advancement Wellness resources Job Title: .NET Developer Client: State of Virginia Location: Richmond, VA (... ...experience in .NET development . ~ Strong experience with C#, ASP.NET, MVC, .NET Core / .NET 6+ . ~ Hands-on experience with...C#Long term contract
- ...Essential Functions Provide technical leadership as a Senior Developer and Technical Architect for Microsoft Dynamics 365 Finance... ...POS. Advanced knowledge and hands-on experience with .NET, SQL Server, X++, C#, Java, Azure, and AWS technologies (such as S3, Lambda,...C#Hourly payPermanent employmentFull timeTemporary workWork experience placementInterim roleLocal areaRemote workRelocationFlexible hours
$85.39k - $116.98k
...Syms Strategic Group (SSG) is seeking a talented Senior C#/.Net Developer Location: Remote Department: Veterans Affairs (VA) Type: Full Time Min. Experience: Experienced Security Clearance Level: Public Trust (MBI) Salary Range: $85,389 - $116,97...C#Full timeRemote work$138.67k - $172.44k
...technological platform, and how to build bridges between them. Develop a strong working relationship with clients and become their... ...Demonstrable proficiency with at least one programming language (Java, C#, Python, Javascript) Experience with NoSQL databases or...C#Full timeLocal areaWorldwide- ...Engineering or Management Information Systems or Master’s degree. • Minimum 7 years of experience • The developer should have a strong understanding of .Net/Node and its core concepts, such as components, state management, and lifecycle methods. They should be able...Contract workLocal area
$110k - $350k
...infrastructure. Proficiency in modern programming languages such as Java, C#, Python, JavaScript/TypeScript, and experience with frameworks... ..., communication, and mentoring skills, with a passion for developing others and strengthening engineering culture. Strong problem-...C#Hourly payFull timeWork experience placementLocal area- ...Institutes of Health (NIH) Clinical Center (RADIS) If you are interested in this position, please email Valerie at ****@*****.***.net About Nurses Etc Staffing At NURSES Etc STAFFING, we are committed to our mission of providing healthcare facilities with top-...Full timeContract workFor contractorsLocal areaMonday to Friday
- ...Location 7116 Fort Hunt Road, Alexandria, VA, 22307, United States Job Category Nursing Employee Type Non Exempt FT Contact Information Name Monique Williams Phone (***) ***-**** Email ****@*****.***.net Description Retirement Unlimited Inc
- ...strategic business goals of our clients. PositionTitle: Onbase Developer Location: University of Maryland Global Campus 3501... ...Skills: Proficiency in OnBase workflow/configuration, SQL.NET/C#/JavaScript ; experience with APIs, integrations, and troubleshooting...C#Local areaRemote work
- ...Job Description Job Description Senior .NET Developer Location: Alexandria, VA Work Schedule: Onsite 5 days per week Employment Type: Contract-to-Hire Clearance: Must be able to obtain a Public Trust Citizenship: U.S. Citizenship required We...Contract work
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