c# Jobs in District of Columbia

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101 - 120 of 626 Jobs

Senior Lead AI Engineer

Capital One

•

McLean, Virginia, USA

Full-time

Senior Lead AI Engineer Overview: At Capital One, we are creating responsible and reliable AI systems, changing banking for good. For years, Capital One has been an industry leader in using machine learning to create real-time, personalized customer experiences. Our investments in technology infrastructure and world-class talent - along with our deep experience in machine learning - position us to be at the forefront of enterprises leveraging AI. From informing customers about unusual charges t
Posted 33 days ago | Updated 1 hour ago

Senior Full Stack Developer

Prominent Technology

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Remote

Full-time

Software EngineerAbout ProminentAt Prominent, we are driven by a commitment to empowering confidence through innovative technology solutions and exceptional staffing services. Guided by our core valuesPrioritize Relationships, Imagination into Reality, Speak Truth, Enjoy Work, and Steward as Our Ownwe create transformative software for a diverse range of industries. Our focus is on building meaningful client partnerships and delivering tailored, high-quality results. Join us in a collaborative e
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Posted 16 days ago | Updated 2 days ago

Software Engineer (Sr.) (Cleared) IA-SWE

Kentro

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Springfield, Virginia, 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 19 days ago | Updated 10 hours ago

Software Engineer / Systems Administration

Lockheed Martin Corporation

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Springfield, Virginia, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio
Posted 52 days ago | Updated 2 hours ago

Software Cyber Engineer - SWE 1

Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description This position may be eligible for a $25K sign on bonus for external hires! What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. You'll develop innovative offensive cyber capabilities that help protect the nation and the world. Cyber Lockheed Martin Who we are: Are you driven by the thrill of outsmarting even the most advanced security systems and
Posted 47 days ago | Updated 2 hours ago

Full Time role for .Net Developer- Need NY/NJ locals

InfoPeople Corp

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Remote

Full-time

We are seeking a driven and detail-oriented .NET / Microsoft Developer to join our technology team. This role is ideal for a junior to mid-level developer with 3 to 7 years of hands-on experience, particularly in .NET Core, Microsoft Power Platform, and Blazor. Prior experience in the investment or financial services industry is highly desirable. Key Responsibilities: Design, develop, and maintain applications using .NET Core, Blazor, and related Microsoft technologies. Build and customize solut
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Posted 1 day ago | Updated 9 hours ago

Python Developer

BURGEON IT SERVICES LLC

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Remote

Full-time

Position : Python Developer Location : Redmond, WA.Remote USA, Duration : Full time SWE with Data or ML Engineering experience equally good at Python Design, develop, and maintain high-performance backend services using Python. & C#. Build and maintain RESTful APIs that are scalable, secure, and easy to maintain. Implement authentication, authorization, and data protection mechanisms. Optimize data storage, retrieval, and caching strategies for performance improvements. Develop, test, and main
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Posted 1 hour ago

Engineering Technician (SECRET) 1

Harris Corporation

•

Ashburn, 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 2 days ago | Updated 2 hours ago

Software Engineer I

Highspring

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Remote

Full-time

Client is looking for a Software Engineer with experience within C#, C++ and SQL primarily. Remote and Direct Placement. Essentials: Build software in a SCRUM environment using C#, JavaScript, SQL, and JavaScript frameworks like Angular Embrace best practices in software development (Code Reviews, Unit Tests, CI/CD) and leverage them every day Perform mutual code reviews within your team to ensure high quality code Cooperate closely with the team, scrum masters, and product owners Adhoc duties a
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Posted 29 days ago | Updated 2 hours ago

Senior Software Engineer - Security Engineering

Mastercard

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Arlington, Virginia, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po
Posted 18 days ago | Updated 2 hours ago

Prophet 21 Consultant

Cox-Little & Company

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Remote

Part-time

Position: Prophet 21 Consultant Location: Remote Start date: Immediate Type: Part Time Contract Our client is running Prophet 21 (P21) and they need a developer to assist with the task detailed below;The client needs business rules in P21 ported to C# and redeployed. This contract will be on an as needed basis, so this is a part time contract. The client will be moving from on prem to web based P21.
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Posted 14 days ago | Updated 2 days ago

Senior Consulting Engineer

mongoDB, inc

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Washington, District of Columbia, USA

Full-time

MongoDB's mission is to empower innovators to create, transform, and disrupt industries by unleashing the power of software and data. We enable organizations of all sizes to easily build, scale, and run modern applications by helping them modernize legacy workloads, embrace innovation, and unleash AI. Our industry-leading developer data platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available in more than 115 regions across AWS, Google Cloud, and Microsoft
Posted 2 days ago | Updated 2 hours ago

Sr. Azure DevOps Engineer

Guidehouse

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Arlington, Virginia, USA

Full-time

Job Family: Software Development & Support Travel Required: Up to 10% Clearance Required: Ability to Obtain Public Trust What You Will Do: Identify and implement reliability and efficiency improvements to the platformCreate and maintain terraform to manage test and production environmentsCreate and maintain CI/CD pipelines and other automation toolsWork with engineers to support product development from inception to releaseDesign, develop, implement, and maintain core Oracle applicationsMaint
Posted 1 day ago | Updated 16 hours ago

.Net Lead with Azure/AWS DevOps and python Experience

NavaTech LLC

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Maryland, USA

Third Party, Contract

.Net Lead with Azure/AWS DevOps and python Experience Remote Long Term Note: Need independent consultants with 10+ years experience. Key Skills: C#, .Net and Azure/AWS DevOps and python Responsibilities: Liaise with business and technical stakeholders to elicit and analyze business/technical requirements, design, code and implement middle-tier solutions that meet or exceed business and technical requirements. Design, build, package, deploy and monitor ML based business solutions. Represent b
Posted 9 days ago | Updated moments ago

Cloud Data Solutions Engineer, Senior (Joint & Services Center)

The MITRE Corporation

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McLean, Virginia, USA

Full-time

Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges-and we're committed to the long-term well-being of our employees. MITRE is different from most technology companies. We are a not-for-profit corporation chartered to work for the public interest, with no commercial conflicts to influence what we do. The R&D centers we operate for the government create lasting im
Posted 60+ days ago | Updated 2 hours ago

Site Reliability Engineer - Deployment Engineering (US Federal)

Workday, Inc.

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McLean, Virginia, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 38 days ago | Updated 2 hours ago

EMG STEM Summer Internship - IT/ SOFTWARE / Engineering

Akima, LLC

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Herndon, Virginia, USA

Full-time

Akima is searching for eager STEM Interns to join our team for the Summer! The Akima Emerging Markets Group. During Akima Emerging Markets Group (EMG)'s Summer STEM Internship, you will take part in a hands-on, immersive experience designed to simulate real-world product development. This internship goes beyond traditional training programs-interns will work as an Agile development team, solving real business and technical challenges through innovation, collaboration, and rapid learning. You wil
Posted 60+ days ago | Updated 2 hours ago

2025 PhD Graduate - Intelligent Autonomous Systems and Artificial Intelligence Engineer

Johns Hopkins University AppliedPhysicsLaboratory

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Laurel, Maryland, USA

Full-time

Description Are you passionate about innovating new technologies to influence and shape our Nation's future security and preeminence? Are you excited about working on multi-disciplinary teams to innovate the state-of-the-art in autonomous systems, artificial intelligence, software design, embedded systems, virtual reality, simulation and/or uncrewed air platforms? Are you interested in applying your skills to conceive, design, prototype and test new capabilities in intelligent autonomous syst
Posted 18 days ago | Updated 2 hours ago

Associate Denali Software Engineer

Boeing Company

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Herndon, Virginia, USA

Full-time

Associate Denali Software Engineer Company: The Boeing Company The Boeing Company is looking for an Associate Denali Software Engineer to join the Advanced Mission Management Denali group located in Herndon, VA. This position will focus on supporting the Boeing Defense, Space & Security (BDS) business organization. As a member of a 40-person team, this individual will be providing software engineering functions for the design, development, and maintenance of complex, multi-tiered application
Posted 60+ days ago | Updated 2 hours ago

Cloud DevOps Engineer

ManTech

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Maryland, USA

Full-time

ManTech is seeking a motivated, career and customer-oriented Cloud DevOps Engineer to join our team in Hanover, MD. In this role you will be working as a cloud Engineer utilizing cloud computing platforms and developing full stack web application interfacing with AWS services. The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort is the contract vehicle for the Enterprise Infrastructure Services o
Posted 13 days ago | Updated 1 hour ago