C# Jobs in Washington

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Lead Software Engineer, Design Technology

Tesla Motors

•

Remote or Austin, Texas, USA

Full-time

Design Technology is responsible for making the tools Design Engineers use to design, e.g., batteries, Optimus, Robotaxi, and all new factories, every bit as intelligent and dynamic as the products themselves. As a Technical Lead Software Engineer, you will lead the research, development, delivery, and site reliability of products that touch virtually every part of our design process. Joining our team means directly impacting Tesla's ability to ship millions of products a year from factories ar
Posted 18 days ago | Updated 7 hours ago

Full Stack Software Engineer

Cymertek Corporation

•

Annapolis, Maryland, USA

Full-time

Full Stack Software Engineer LOCATION Annapolis Junction, MD 20701 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-functi
Posted 60+ days ago | Updated 6 hours ago

Full Stack Developer - Tech Dev (TS/SCI Required)

Kentro

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Washington, District of Columbia, USA

Full-time

Description Thank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our customers' missions, fostering professional growth, and making a positive impact on our communities. Our transition to Kentro in 2025 reflects a rich legacy built upon the foundation of IT Concepts. Rather than leaving ITC behind, we confidently embrace a future centered around the Core of More
Posted 60+ days ago | Updated 3 hours ago

Information Security Consultant - Threat Detection & Adversary Simulation

Mass Mutual Financial Group

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Remote or Boston, Massachusetts, USA

Full-time

The Opportunity Within our Enterprise Cybersecurity organization, you will work closely with the Security Intelligence team and be responsible for leverage real world adversarial techniques to perform pen tests and simulate attacks on existing and upcoming services spanning across applications, servers, and end-user assets. The Team Within the Security Operations Center, partner with Incident Response Teams for Red/Purple Team assessments and work with Security Intelligence to identify and test
Posted 60+ days ago | Updated 7 hours ago

(USA) Software Engineer III

Walmart Inc.

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Remote or Denver, Colorado, USA

Full-time

Position Summary Are you a seasoned software engineer looking to make a significant impact? Join Walmart/VIZIO as a Software Engineer in our Content Services team. This is a unique opportunity to work on cutting-edge technology, shape our software solutions, and help drive the future of our digital content. What you'll do About the Team: The Content Services team at Walmart/VIZIO is dedicated to delivering top-tier digital content experiences. We operate with a focus on innovation and scalabi
Posted 25 days ago | Updated 7 hours ago

Software Engineer - Remote

Donnelley Financial Solutions

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Remote

Full-time

Join a dynamic team at the pulse of global markets, where we deliver innovative software and service solutions for essential financial reporting and capital markets transactions. At DFIN, we are a values-driven organization that empowers you to build a fulfilling career while bringing your authentic self to work every day. Our "Win as One" mentality ensures that our team's success is directly linked to Client, Shareholder and Employee Satisfaction. Recognized by Newsweek as one of AMERICA'S MOST
Posted 8 days ago | Updated 7 hours ago

Electrical & Controls Engineer

McKesson Corporation

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Remote or Longmont, Colorado, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien
Posted 14 days ago | Updated 7 hours ago

Senior Software Engineer

Base-2 Solutions, LLC

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Maryland, USA

Full-time

Annual Salary Range: $180,000 to $220,000 with Full Benefits to include Health/Dental/Vision and PTO. Description: Base-2 Solutions is looking for a top-notch software engineer to join our team. We are driven to solve challenging customer problems by leveraging innovative technical solutions. Our software engineers develop the next-generation technologies that drive decision making and impact our national defense. We're looking for engineers who bring fresh ideas from all areas, including inform
Posted 60+ days ago | Updated 7 hours ago

Software Engineer

Base-2 Solutions, LLC

•

Maryland, USA

Full-time

Annual Salary Range: $140,000 to $180,000 with Full Benefits to include Health/Dental/Vision and PTO. Description: Base-2 Solutions is looking for a top-notch software engineer to join our team. We are driven to solve challenging customer problems by leveraging innovative technical solutions. Our software engineers develop the next-generation technologies that drive decision making and impact our national defense. We're looking for engineers who bring fresh ideas from all areas, including inform
Posted 60+ days ago | Updated 7 hours ago

Junior Software Engineer

Base-2 Solutions, LLC

•

Maryland, USA

Full-time

Annual Salary Range: $110,000 to $140,000 with Full Benefits to include Health/Dental/Vision and PTO. Description: Base-2 Solutions is looking for a top-notch software engineer to join our team. We are driven to solve challenging customer problems by leveraging innovative technical solutions. Our software engineers develop the next-generation technologies that drive decision making and impact our national defense. We're looking for engineers who bring fresh ideas from all areas, including inform
Posted 60+ days ago | Updated 7 hours ago

Principal Software Engineer

Base-2 Solutions, LLC

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Maryland, USA

Full-time

Annual Salary Range: $220,000 to $240,000 with Full Benefits to include Health/Dental/Vision and PTO. Description: Base-2 Solutions is looking for a top-notch software engineer to join our team. We are driven to solve challenging customer problems by leveraging innovative technical solutions. Our software engineers develop the next-generation technologies that drive decision making and impact our national defense. We're looking for engineers who bring fresh ideas from all areas, including inform
Posted 60+ days ago | Updated 7 hours ago

Solution Architect Customer Support Team

StackNexus Inc.

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Remote

Contract

Extensive experience in software architecture design and cloud platforms, with a focus on designing scalable, high-performance, and resilient systems. Deep understanding of software development methodologies, frameworks, and patterns, including microservices, service-oriented architecture (SOA), and event-driven architecture. Knowledge of programming & scripting languages such as Python, bash, C# or similar, so as to be able to do quick prototypes Strong knowledge of cloud platforms & services (
Easy Apply
Posted 10 days ago

Application Development Advisors- Hybrid

Cigna

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Remote or Plano, Texas, USA

Full-time

The job profile for this position is Application Development Advisor, which is a Band 4 Senior Contributor Career Track Role with Cigna-Evernorth Services Inc. Responsibilities- Develop software applications to support payment integrity programs, produce accurate claim payments, and reduce medical cost expenditures.Contribute to software development, strategy, and product roadmap.Use system development life cycle methodologies.Assist with the re-writing of end-to-end (E2E) vendor programs and t
Posted 31 days ago | Updated 7 hours ago

Senior Data Analyst (Remote)

Quest Diagnostics Inc.

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Remote or Secaucus, New Jersey, USA

Full-time

Overview In this role, you will be responsible for the full life cycle of dashboard development. You will work with business owners to document the requirements. You will collaborate with data engineers and data scientists to build the ETL pipelines that are required to support the dashboards. This includes loading and cleaning data elements, applying analytical data transformations and managing scheduling and data refreshes. You will then turn the designs into a highly engaging interactive use
Posted 9 days ago | Updated 7 hours ago

Lead Software Developer (.NET)

Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is seeking a Lead Software Developer (.NET) to join a leading shipping and logistics organization. The Lead Software Developer (.NET) will oversee and enhance intricate customer deployments of a specialized SaaS platform. Responsibilities of the Lead Software Developer (.NET) include: Take part in planning and gathering requirements for technical projects, including designing, coding, testing, and troubleshooting applications. Build applications and services using our main techn
Posted 52 days ago | Updated 26 days ago

Dotnet Developer

Randstad - Torc

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Remote

Contract

We are looking for a highly skilled Full Stack .NET Developer for a full-time contract. This is a 100% remote role with flexibility to collaborate across Central Time (CT) hours. What You ll Do Design, develop, and optimize web applications using .NET (C#) for the backend and modern frontend technologies.Collaborate with product managers, designers, and other engineers to build scalable, efficient solutions.Implement best practices in software architecture, automated testing, and performance opt
Posted 60+ days ago | Updated 19 days ago

Software Developer (SWE1) (Government)

AT&T Inc.

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Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. Intelink Services provide interagency information sharing, content discovery, and collaboration capabilities on the IC s
Posted 60+ days ago | Updated 7 hours ago

Software Developer (SWE0) (Government)

AT&T Inc.

•

Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. Intelink Services provide interagency information sharing, content discovery, and collaboration capabilities on the IC s
Posted 60+ days ago | Updated 7 hours ago

Part-time C# .Net / FoxPro Developer - 100% remote (MUST HAVE FOXPRO and live in U.S.)

Columbia Advisory Group

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Remote

Contract

C# .Net / FoxPro Developer needed for ongoing contract (6+ months). Role is approximately 20 hours per week (during business hours, and some can be done afterhours) and is 100% remote (must be based in U.S.). Youre a fit if you have: Solid work experience utilizing C# .NetExperience migrating FoxPro code to modernized applications/codebase - FoxPro experience must have been within the last 10 yearsExperience with data/file imports, exports, and data scrubbing/validation routinesDemonstrated abil
Easy Apply
Posted 60+ days ago | Updated 4 days ago

Senior Test Manager//W2 Contract//investment banking or heavy financial services

Stellent IT LLC

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US

Contract

Title or Role: Test Manager Location: 100% Remote Length of Contract: 6 months TEST manager with at least 10 years current SDET Test Management exp., with investment banking or heavy financial services Position Description: We are seeking a seasoned Test Manager to build, manage, and evolve the testing function within our technology organization. This role is ideal for an experienced testing professional who combines leadership capabilities with hands-on technical expertise, including automa
Easy Apply
Posted 5 days ago | Updated 1 day ago