c# Jobs in District of Columbia

Refine Results
141 - 160 of 544 Jobs

COE/SECTOR - Sr Java Developer - C2/C1

QualiTest

Remote

Full-time

Are you interested in working with the Worlds leading AI-powered Quality Engineering Company? Ready to advance your career, team up with global thought leaders across industries and make a difference every day? Join us at Qualitest! We are looking for a Senior Java Developer to join our growing team in United States! Key Responsibilities: Individual Contribution: Design and implement high-quality, scalable backend services using Java Spring Boot, and modern responsive UIs using React. Architectu

Mid System Software Developer

Booz Allen Hamilton

Quantico, Virginia, USA

Full-time

Job Number: R0221239 System Software Developer, Mid 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're looking for the chance to not just develop software, but to help create a system that will make a difference, we need you on our team. We're looking for a developer like you with the skills needed to develop software and systems from vision to production-ready. This role is more than just coding. As a

Senior Project Engineer with CIMPLICITY experience

GLOBAL VISSE INC

Remote

Contract

Senior Project Engineer Location: Remote (EST) Duration: 6 Months+ Assist the project Architect to translate requirements/user stories into technical designs. Develop CIMPLICITY Tracker application based on designs. This will include CIMPLICITY and Tracker configuration along with custom development of VBA scripts, SQL stored procedures and possibly C# applications Primary Skillset (Must haves): 5+ years of experience with CIMPLICITY configuration, CIMPLICITY scripting(VBA), SQL stored procedure

COE - Lead Architect

QualiTest

Remote

Full-time

Are you interested in working with the Worlds leading AI-powered Quality Engineering Company? Ready to advance your career, team up with global thought leaders across industries and make a difference every day? Join us at Qualitest! We are looking for a Lead Architect to join our growing team in United States! Required Skills and Qualifications: 10+ years of experience in full-stack software development. Deep expertise in Java, Spring Boot, REST APIs, and microservices architecture. Strong profi

Software Engineer II - Business Intelligence

Mastercard

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

Software Technical Lead

Jacobs

Herndon, Virginia, USA

Full-time

Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a Software Technical Lead to join our team of passionate individuals in Herndon, VA. In this role you will support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. Your Impact: We are seeking a highly skilled Technical Lead to spearhead software development initiatives within our dynamic team. The

Sr Java Developer

QualiTest

Remote

Full-time

Are you interested in working with the Worlds leading AI-powered Quality Engineering Company? Ready to advance your career, team up with global thought leaders across industries and make a difference every day? Join us at Qualitest! We are looking for a Senior Java Developer to join our growing team in United States! Qualifications: 8+ years of experience in full-stack software development. Deep expertise in Java, Spring Boot, REST APIs, and microservices architecture. Strong proficiency in Reac

CNO Software Engineer TS/SCI FSP

Mission Box Solutions

Laurel, Maryland, USA

Full-time

Our client is seeking a Software Engineer to provide technical expertise in support of a U.S. Government customer. This full-time position offers the opportunity to assist in sustaining mission-critical software and systems for a large government contract. Responsibilities: Support the innovation team within the CNO's Foundational Services product group, working alongside experienced analysts, operators, and developers.Add new functionality to a large-scale microservice ecosystem.Automate manua

REMOTE:::.Net Backend Lead ( Trading Platforms) 10+ years - ONLY W2

FutureTech Consultants LLC

Remote

Contract

Hello, Hope you are doing good, this is Hima from Appridat Solutions, LLC and I have a job opening with our direct client. Please have a look at the below job description and let me know your interest. Please share me the latest copy of your resume. Role: .Net Backend Lead Duration: Long term Remote role Mode of interview: Coding test + 30 mins video call Key Skills: C++, C#, .Net Core, AWS Cloud, Trading Platforms, Futures Commodity Commissions Market (FCM) platform, KYC, AML We are seeking a

Software Engineer (TS/SCI w/ Poly required)

Parsons Services Company

Maryland, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: We are seeking a Software Engineer 0 to join the software development team. The idea

Full-stack Architect

Innova Solutions, Inc

Remote

Contract

Let Volt help move you forward Volt is immediately hiring for Full-stack Architect in Remote As a Full-stack Architect, you will: Key responsibilities: Hands on Experience in C# .NET Core and CosmosDB.Hands on Experience in .NET, .NET Core Web Application Development, Web APIsGood to have experience in React, AngularJS, NodeJSIn-depth knowledge of Web Application Life CycleGood understanding of REST APIs, Data Structures.Must have knowledge on CI/CDGood debugging and analytical skills.Must know

Software Engineer Staff

Lockheed Martin Corporation

Herndon, 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

Software Development Engineer

American Systems Corporation

Remote or Arlington, 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 As a Software Development Engineer with AMERICAN SYSTEMS you will have the opportunity to do the following: Database Architecture and Development: Design, develop, and implement robust database architectures, in

Full Stack .NET Developer

NTT DATA Americas, Inc

Remote or Providence, Rhode Island, USA

Contract

Company Overview: Req ID: 325534 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. NTT DATA's Client is currently seeking a Full Stack .NET Developer to join their team in Plano, Texas (US-TX), United States (US).Job Description: Job Title: Full Stack .NET Developer with MongoDB Experience Job Duties: Designing, developing, and maintaining scalable,

System Engineer - Department of Defense

Esri

Vienna, Virginia, USA

Full-time

Overview In this position, you will implement advanced ArcGIS deployments, analyze and solve technical problems, and optimize performance and organization. You will consult with end users on advanced enterprise deployment, architecture, and integration topics. This team supports the Department of Defense and Intelligence Community clients. You will be part of a talented cross-functional team of dynamic and passionate engineers to deliver capabilities that enable our customers to make a differe

Software Developer

Metrea Management, LLC

Maryland, USA

Full-time

Company Overview Metrea is a defense company dedicated to translating commercial innovation into solutions for the hardest problems in national security. With deep mission expertise, Metrea focuses on delivering effects-as-a-service across Aerospace, Electromagnetic & Cyber, Digital & Synthetic domains via its capability groups. Metrea also consists of six support groups (Operations, People, Finance, Legal, Strategy and Solutions) that guide the development of specific capabilities that Metrea's

Software Cyber Engineer - SWE 2

Lockheed Martin Corporation

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

Software Engineer / Systems Administration

Lockheed Martin Corporation

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

Full Stack Developer

Endava

Remote

Full-time

What You Will DoDevelop and maintain high-quality full-stack web applications using Vue.js and .NET Core web API.Ensure the technical feasibility of UI/UX designs.Optimize application and API for maximum speed and scalability.Troubleshoot and debug issues as they arise.Ensure adherence to best practices and industry standards.Collaborate with cross-functional teams to gather requirements and translate business needs into technical solutions.Implement backend functionalities and business logic to

Software Developer

ALTA IT Services

Chantilly, Virginia, USA

Full-time

ALTA IT has a Direct Hire position open for a Software Developer. Top Secret with ability to obtain a CI Poly Alexandria, Chantilly or St. Louis Software Developer to provide software maintenance and engineering support under the Foundation Sustainment Services contract. Responsibilities: This role is responsible for Corrective, Adaptive, Preventive, and Perfective maintenance of maritime systems software. This role uses best practices and patterns to perform design, development, and automated t