C# Jobs in Washington

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181 - 200 of 523 Jobs

Automation Tester

4 Consulting Inc

•

Remote

Full-time

Who we are! At 4Ci our mission is to build long term relationships, based on trust, integrity, and knowledge with all our employees and business affiliates. 4Ci has been in business for 20 years and has employees working on mission critical projects nationwide. We provide computer programming, testing, and system design services to develop and maintain multi-year, multi-million-dollar mission critical applications for the US Government. Examples of such applications are Medicaid MMIS systems, He
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Posted 39 days ago | Updated 9 days ago

Power Apps Programmer with EHR integration experience

Softratech LLC

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Remote

Contract

Job Description: We're currently looking to hire a Sr Power apps Developer to support the implementation of the Continuum Electronic Health Record (EHR) solution for one of our clients in Sacramento, CA. Mandatory Minimum of five (5) years of experience in electronic data processing systems study, design, and programming. At least three (3) years of that experience must have been in a lead capacity. Possession of a bachelor s degree in an IT-related or Engineering field. Minimum of five (5) year
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Posted 51 days ago | Updated 13 days ago

Cloud Infrastructure Architect

SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2506648 Location: CHANTILLY, VA, US Date Posted: 2025-07-01 Category: Information Technology Subcategory: Cloud Comp Engr Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfoli
Posted 8 days ago | Updated 5 hours ago

.Net Developer ( Senior Developer) / Durham, NC(Remote)- 6 Months Contract

Suncap Technology

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Remote or Durham, North Carolina, USA

Contract

Need Sr .NET Developer Durham, NC (REMOTE) 6 Months Contract Interview Process: 1 st round : .NET ( 30 Min) & Oracle Pl/SQL (30 Min) test with Vendor 2 nd round : 30 min video Technical round with vendor team for Java NEED 15 + yrs Total IT experience with .Net and Oracle Need mandatory : .NET : yrs exp Oracle PL/SQL : yrs exp ASP.NET Webforms, .NET C#, Java Script/jQuery - To work on huge enterprise ASP.NET websites & many .NET backend systems - Very strong ASP.NET UI development experienc
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Posted 20 days ago | Updated 4 hours ago

Cloud Solutions Architect

Akima, LLC

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Herndon, Virginia, USA

Full-time

Designs and develops IT applications. Develops enterprise-level applications and custom integration solutions including major enhancements and interfaces, functions and features. Uses a variety of platforms to provide automated systems applications to customers. Provides expertise regarding the integration of applications across the business. Determines specifications, then plans, designs, and develops software solutions, utilizing appropriate software engineering processes either individually o
Posted 56 days ago | Updated 7 hours ago

Full Stack Software Engineer

Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Full Stack Software Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a highly skilled Full Stack Software Engineer to join our team and contribute to the development of cutting-edge applications. In this role, you will work across the entire software development lifecycle, from designing user interfaces to implementing back-end functionality. You will collaborate with cross-functional teams t
Posted 60+ days ago | Updated 7 hours ago

Data Engineer-Software Engineering

American Association Of Motor Vehicle Admin.

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Arlington, Virginia, USA

Full-time

Position Summary: The IT Division is responsible for the development and operations of information systems for the State and Federal agencies doing business related to or using information from the administration of motor vehicles and driver licenses. The Data Engineer position has core responsibilities for the design, development, maintenance, optimization, and operational support of components which move and ingest data from sources into the analytics systems. Essential Duties and Responsibili
Posted 60+ days ago | Updated 4 hours ago

Senior Application Developer

GovCIO

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Fairfax, Virginia, USA

Full-time

Overview GovCIO is currently hiring for a Senior Application Developer with an active Secret clearance to design, build, and modify application software. This position will be located in Fairfax, Virginia and will be a fully onsite position. Responsibilities Design, build, and modify application software using a variety of programming languages such as Java, ColdFusion, JavaScript, and C#. Implement multiple design patterns such as MVC, web services, SOA, and/or microservices.Integrate COTS p
Posted 60+ days ago | Updated 4 hours ago

Application Developer

GovCIO

•

Fairfax, Virginia, USA

Full-time

Overview GovCIO is currently hiring for an Application Developer with an active Secret clearance to design, build, and modify application software. This position will be located in Fairfax, Virginia and will be a fully onsite position. Responsibilities Design, build, and modify application software using a variety of programming languages such as Java, ColdFusion, JavaScript, and C#. Implement multiple design patterns such as MVC, web services, SOA, and/or microservices.Integrate COTS product
Posted 60+ days ago | Updated 4 hours ago

Senior Software Developer (cleared)-61525

Syneren Technologies

•

Alexandria, Virginia, USA

Full-time

Job Title: Sr. Software Developer (Full-Stack) Job Location: Alexandria, VA. (Onsite) Job Description: Syneren is seeking a skilled and visionary Sr. Software Developer to lead our software development team to design robust solutions within the Microsoft Azure ecosystem to help modernized legacy application to the newest technology and approach available in the Azure Cloud. As a Sr. Software Developer, you will play a critical role in shaping our cloud infrastructure, ensuring scalability, secur
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Posted 60+ days ago | Updated 5 hours ago

Systems Analyst 3 - ETL

Rapisource LLC

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Remote or Austin, Texas, USA

Third Party, Contract

Solicitation Reference Number: 529601476 Direct Client: Texas Health and Human Services Commission Working Title: Systems Analyst 3 - ETL Work Location: Austin, Tx - Position is ONSITE JD: Understands business objectives and problems, identifies alternative solutions, performs studies and cost/benefit analysis of alternatives. Analyzes user requirements, procedures, and problems to automate processing or to improve existing computer system: Confers with personnel of organizational units involve
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Posted 1 day ago

Specialist, Integration/Test Engineer

Harris Corporation

•

Herndon, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie
Posted 58 days ago | Updated 7 hours ago

Application Architect

Kforce Technology Staffing

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Remote or Dallas, Texas, USA

Contract

RESPONSIBILITIES: Kforce has a client that is looking for a talented and motivated Senior - Architect level .NET/C# Developer with an interest in stepping into an architecture role that will have heavy hands on coding as well. This is an exciting opportunity to join a team starting a new IT initiative in 2024. The company is transitioning away from Oracle-based applications and consolidating to a single stack to make their systems more maintainable and efficient. As part of this initiative, you
Posted 1 day ago | Updated 2 hours ago

Homes.com - Senior Data Engineer

Costar Group

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Arlington, Virginia, USA

Full-time

Homes.com - Senior Data Engineer Job Description Job Description CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real est
Posted 45 days ago | Updated 7 hours ago

Legacy Contingent - Expert Software Architect, Internal Tools

INSPYR Solutions

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Remote or Irvine, California, USA

Contract

Title: Software Architect Location: Irvine, California Duration: 6 months Compensation: $67.00-$85.00 Work Requirements: , Holders or Authorized to Work in the U.S. Skillset / Experience:Proficiency in C#, Vue, Typescript, and SQL Experience with infrastructure and deployment technologies such as Octopus, Docker, Okta, Grafana, and Google Cloud Platform (Google Cloud Platform). Proven experience in fullstack development and architecture. Strong background in maintaining and enhancing complex app
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Posted 33 days ago | Updated moments ago

Test Engineer

Nightwing

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Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th
Posted 18 days ago | Updated 7 hours ago

Procurement Integration Lead / MS SQL SERVER Database Developer - 100% remote - NYC

Winston Staffing Service

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Remote

Contract

Please forward your resume for immediate consideration to Integration Lead/SQL Server Database Developer remote 90/hr w2 NYC EST time zone Strong knowledge of MSSQL (10+ years of experience)Strong troubleshooting skills with different types of transmissions (i.e.CSV, XML) utilizing various troubleshooting tools (i.e. Compare, Notepad, REST API..) (10+ years of experience)Experience with Infor SmartStream DB backend structure or similar Finance ERP system (5+ years of experience)Familiarity with
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Posted 23 hours ago

IAM Manager

Apexon

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Remote

Contract

Hi, Greetings from Apexon IAM Manager 100%Remote Job Duties and Responsibilities: Lead the design and implementation of Identity and Access Management (IAM) solutions, including authentication, authorization, and user provisioning workflows. Drive integration with modern identity providers such as Auth0, KeyCloak, Okta, or Azure AD, ensuring secure SSO and MFA across applications. Oversee adoption and compliance with OAuth 2.0, OpenID Connect, and related standards across engineering teams. Col
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Posted 29 days ago | Updated 21 days ago

Forensic IT Solutions Architect

DCM Infotech Limited

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Remote

Contract

Title: Solutions Architect Forensic Science Location:Remote Duration: 12+ Months Job Summary: The Solutions Architect will be responsible for designing, implementing, and optimizing technology solutions tailored to the unique needs of forensic science applications entailing all forensic services provided by the CLIENT. This role involves collaborating with forensic scientists, forensic executives, law enforcement, and development teams to create scalable, secure, and efficient systems that suppo
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Posted 6 days ago | Updated 3 hours ago

: Senior Staff Software Engineer

Vaco by Highspring

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Remote

Full-time

Job Title:Senior Staff Software Engineer Location:100% Remote Employment Type:Direct Hire Compensation:$140,000 - $175,000 Base + 10%-15% Bonus Benefits:401K Matching, Full Benefits & PTO ImportantNote: No third-party companies - direct applicants only. Sponsorship is not available now or in the future. Job Summary We seek aSenior Staff Software Engineerwith strong AWS cloud engineering expertise to lead and mentor a high-performing software development team. This role is an even split between t
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Posted 29 days ago