C# Jobs in Leesburg, VA

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Senior AI Engineer

Capital One

•

McLean, Virginia, USA

Full-time

Senior 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 to an
Posted 14 hours ago

Mid Level Full Stack .NET Developer - Angular Exp - Remote - W2

Outcome Logix LLC

•

Pittsburgh, Pennsylvania, USA

Contract

Job Summary: We are seeking a highly skilled and experienced Full Stack .NET Developer to join our team. The ideal candidate will bring deep technical expertise in the Microsoft technology stack and a strong understanding of front-end development using Angular. The role requires hands-on experience in developing, testing, deploying, and maintaining scalable applications. You should also be comfortable supporting applications outside business hours when necessary. Key Responsibilities: Design, de
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Posted 5 days ago | Updated 5 hours ago

Application Developer

BCforward

•

Remote

Contract

BCforward is currently seeking a highly motivated Opportunity Application Developer 4in Redmond WA Position Title: Applications Developer 4 Location: Fully Remote Anticipated Start Date: - ASAP Please note this is the target date and it is subject to change. BCforward will send official notice ahead of a confirmed start date. Expected Duration: 12 Months Contract Job Type: Contract and Remote Pay Range: $70/hr. - $75/hr. Please note that actual compensation may vary within this range due
Posted 20 days ago | Updated 14 hours ago

Senior Salesforce Developer

GDH

•

Remote

Full-time

Job Description: Our client is seeking a highly skilled and experienced Senior Salesforce Developer to join their dynamic team. This role involves designing, developing, and enhancing Salesforce systems to meet evolving business needs. The successful candidate will be responsible for ensuring robust, scalable, and efficient backend systems. Responsibilities: Develop, customize, and optimize Salesforce solutions using Apex, Lightning Web Components, and other relevant technologies to align with
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Posted 21 days ago | Updated 4 hours ago

Database Developer II

American Systems Corporation

•

McLean, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities Design, develop, and maintain relational databases.Write and optimize SQL queries for data retrieval and manipulation.Collaborate with other developers to ensure data integrity and consistency.Participate in cod
Posted 59 days ago | Updated 9 hours ago

MS SQL Developer

eSolutionsFirst, LLC

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Remote

Contract

MS SQL Developer @ Remote Job 12 months contract (Possible extension) Required more than 12+ Yrs of exp.. Required Skills: SQL, Dynamic SQLStored ProcedureC#Job description: We are seeking a skilled and detail-oriented SQL Developer to join our development team.The ideal candidate will have strong experience with SQL Server, Dynamic SQL, Stored Procedures, and integration with C# applications.You will be responsible for designing, developing, and maintaining database solutions that support bus
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Posted 4 days ago | Updated 4 hours ago

Lead AI Engineer (FM Hosting)

Capital One

•

McLean, Virginia, USA

Full-time

Lead AI Engineer (FM Hosting) 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 to an
Posted 13 hours ago

Senior System Integration Analyst

SAIC

•

Ashburn, Virginia, USA

Full-time

Job ID: 2507453 Location: ASHBURN, VA, US Date Posted: 2025-07-10 Category: Information Technology Subcategory: IT Sys Integration Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description Job Description: We are looking for an IT Systems Integration Analyst to join our Land Border Integration team. You will have a fast moving, challenging, and highly rewarding position
Posted 24 days ago | Updated 7 hours ago

.Net Solution Architect with Auto-Desk Vault-100%remote

Care IT Services Inc

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Remote

Contract

Role:.Net Solution Architect with Auto-Desk Vault Location:100% Remote Rate:DOE JOB Description: Required Languages: C# .NET framework, Angular JS Requested Experience: 10 years C# development, Expertise/proficiency merging and releasing from multiple branches in GitHub, Auto-Desk Vault experience (DSTrack requires integration of Auto-Desk Vault with the Vault-API).
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Posted 3 days ago

DevOps Engineer - TS/SCI w/Polygraph

General Dynamics Information Technology

•

McLean, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: DevOps, DevSecOps, Git, Kubernetes, Linux Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Ensure the safety and security of our nation as a Systems Engineer (DevOps) at GDIT. Our wo
Posted 13 days ago | Updated 5 hours ago

C++ Developer

Reveille Technologies

•

Remote

Contract, Third Party

Bachelor s degree in computer science, Software Engineering, or a related field.15+ years of experience in software development , with 5 10 yrs focused experience in C++/CLI, .NET Core framework, foundational libraries, Windows SDK, compilers, and kernel experienceHaving experience in bridging native code in pure C++ and managed code like C#Linux and Windows SDK experienceExperience with Visual Studio, GitHub and git related develop environmentsExperience with high-performance, multi-thread, sca
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Posted 11 days ago

Full Stack Web Application Developer

GeoLogics Corporation

•

Remote

Contract

GeoLogics is working directly with the hiring manager at Raytheon Technologies for a Full Stack Web Application Developer 100% Remote Raytheon Technologies Full Stack Web Application Developer "United States Citizens are encouraged to apply due to government contract restrictions" Remote Position Rate: OPEN - Hourly (w2 non-benefited or c2c [c2c you must have your name in the Articles of Incorporation]) Job Summary: The developer will join an experienced team to design, delivery, and sustainmen
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Posted 9 days ago

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
Posted 13 hours ago

Sr. Lead AI Engineer (LLM Customization and Finetuning)

Capital One

•

McLean, Virginia, USA

Full-time

Sr. Lead AI Engineer (LLM Customization and Finetuning) 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 a
Posted 13 hours ago

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
Posted 14 hours ago

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
Posted 14 hours ago

Need Ruby on Rails - Remote

Radiantze

•

Remote

Contract, Third Party

Job Title: Ruby on Rails DeveloperLocation: RemoteAbout the Role:We are seeking a skilled and experienced Ruby on Rails Developer to join our engineering team. The ideal candidate will have strong experience in building scalable web applications using Ruby on Rails and a good understanding of C#, Kafka, and NoSQL technologies. You will contribute to the design and development of back-end systems that power critical business workflows.Key Responsibilities:Design, develop, and maintain scalable we
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Posted 5 hours ago

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
Posted 6 days ago | Updated 1 hour ago

.Net Architect

Infinite Computer Solutions (ICS)

•

Remote

Full-time

Role: .Net Application Architect Remote Fulltime Key Responsibilities: Architecting and Designing Applications: Design, develop, and implement solutions using .NET technologies on Azure, ensuring scalability, security, and performance. Application Modernization and Migration: Lead initiatives to modernize existing applications and migrate them to Azure, utilizing techniques like microservices and serverless architecture. Collaboration and Communication: Work closely with business stakeholders,
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Posted 3 days ago

Gameplay Software Engineer II

BCforward

•

Remote

Contract

Gameplay Software Engineer II BCforward is currently seeking a highly motivated Gameplay Software Engineer II for a REMOTE opportunity. Position Title: Gameplay Software Engineer II Location: PST preferred - remote Anticipated Start Date: July 24, 2025 Please note this is the target date and it is subject to change. BCforward will send official notice ahead of a confirmed start date. Expected Duration: 06 Months Job Type: Contract - [FULL TIME (40 Hours a week)] Pay Range: $70.73/hr-$75.4
Posted 23 days ago | Updated 14 hours ago