c# Jobs in District of Columbia

Refine Results
201 - 220 of 555 Jobs

Staff SW Engineer

Visa Inc.

•

Ashburn, Virginia, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 1 day ago | Updated 6 hours ago

Web Developer (WD2) (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 6 hours ago

Senior System Integration Analyst

SAIC

•

Ashburn, Virginia, USA

Full-time

Job ID: 2503504 Location: ASHBURN, VA, US Date Posted: 2025-03-20 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 59 days ago | Updated 4 hours ago

.Net Developer

4 Consulting Inc

•

Remote or Texas City, Texas, USA

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
Easy Apply
Posted 46 days ago | Updated 10 days ago

Director of Engineering / .NET / Remote / Insurance

Motion Recruitment Partners, LLC

•

Remote or Tampa, Florida, USA

Full-time

A growing specialty insurance company is hiring a Remote Director of Engineering to lead and modernize their .NET development efforts. This leadership role is ideal for someone who enjoys getting hands on keys when needed but thrives in guiding technical strategy and mentoring development teams. The environment is rooted in Microsoft technologies-C#, MVC, JavaScript, and SQL Server-while gearing up for a significant modernization effort toward .NET Core. The Director will play a critical role in
Easy Apply
Posted 16 days ago | Updated 3 hours ago

Software Engineer - RE Tech Advisors

Legence Therma LLC

•

McLean, Virginia, USA

Full-time

RE Tech Advisors, a Legence company RE Tech Advisors is a growing, woman-led consulting firm of over 125 ESG professionals. We deliver results at the intersection of engineering, technology, and sustainability. RE Tech has a progressive and ambitious client base that includes numerous commercial real estate portfolios, private equity investors, federal agencies, industry associations, and manufacturing companies. By joining the RE Tech Advisors team, you will work closely with recognized indust
Posted 9 days ago | Updated 6 hours ago

Prophet 21 (P21) Administrator - 100% Remote

Recruit Professional Services

•

US

Full-time

Prophet 21 (P21) Administrator - 100% Remote Responsibilities: Manage and maintain the Epicor Prophet 21 ERP system, including upgrades, patches, and configurations. Create and manage user accounts, roles, and permissions. Provide end-user support and training for the P21 system. Troubleshoot and resolve technical and functional issues promptly. Configure workflows, dashboards, and reports to meet business requirements. Develop and maintain SQL queries, stored procedures, and integrations. Ensu
Easy Apply
Posted 12 days ago | Updated 4 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

Information Security Consultant - Threat Detection & Adversary Simulation

Mass Mutual Financial Group

•

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 6 days ago | Updated 6 hours ago

Senior Commercial Product Software Engineer

Booz Allen Hamilton

•

Remote

Full-time

Job Number: R0219877 Commercial Product Software Engineer, Senior 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 sof tware, but to create a system that will make a difference, we need you on our team. We're looking for a seasoned developer like you with the expertise needed to build sof tware and systems from vision to production-ready. This role is more
Posted 3 days ago | Updated 7 hours ago

Salesforce Developer

Palmer Group

•

Remote or Des Moines, Iowa, USA

Contract

Are you a passionate Salesforce Developer looking to join a dynamic team that thrives on a one-team mindset? We are working with a company that prides itself on our award-winning culture, which values accountability, connection, openness, respect, and integrity. We're committed to fostering an environment where every team member feels valued and empowered to contribute to our success. If you're ready to be part of a team that truly embodies these principles, we want to hear from you! Work model:
Easy Apply
Posted 60+ days ago | Updated 2 days ago

.NET Back-end

TalentBridge

•

Remote or Rochester, New York, USA

Contract

Job Title.NET Software Engineer LocationRemote-US (East Coast Preferred) Compensation & Schedule* $60-$65/hour* Full-time hours* 12-month W2 Contract* Start Date: ASAP Role ImpactThis position plays a key role in delivering enterprise-scale backend cloud solutions using Microsoft Azure and .NET technologies. Working within an agile environment, you ll contribute to high-reliability systems that power mission-critical business services and integrations across large, distributed environments. Key
Easy Apply
Posted 13 days ago | Updated moments ago

Senior .NET Engineer / Insurance / Remote

Motion Recruitment Partners, LLC

•

Remote or Tampa, Florida, USA

Full-time

An insurance company, based in Florida, is hiring a full-time remote Senior Software Engineer to help evolve and maintain their .NET-based applications. This is a hands-on engineering role requiring deep experience with .Net Core, C#, a front-end technology like Blazor, Angular or React and past .NET Framework and MVC experience. The position spans both UI and backend development, with exposure to SQL Server and Microsoft Azure in a fast-paced, agile environment. This is a great fit for a season
Easy Apply
Posted 16 days ago | Updated 3 hours ago

Full Stack Developer Healthcare App Modernization (Node.js, React, TypeScript)

ADDSOURCE

•

New York, USA

Third Party

Job Title: Full Stack Developer Healthcare App Modernization (Node.js, React, TypeScript) Location: New York, NY (Remote) Experience: 7+ Years Salary Range: Based on experience Education: BE/ME/BTech/MTech/BSc/MSc in Engineering or related field Certifications: Technical certifications in relevant technologies are a plus What's in It for You? We are seeking a Full Stack Developer with strong backend expertise in Node.js and TypeScript, and working knowledge of React. You'll work alongside our t
Easy Apply
Posted 11 days ago | Updated 1 day ago

Software Engineer - Web Applications

Lockheed Martin Corporation

•

Remote or King of Prussia, Pennsylvania, 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 9 days ago | Updated 6 hours ago

Senior Software Engineer Community Support Engineering

Airbnb

•

Remote

Full-time

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: The CS Money team at Airbnb is dedicated to revolutionizing the way financial transactions are conducted wit
Posted 19 hours ago | Updated 6 hours ago

Azure Integration Developer

Cayuse Shared Services

•

Arlington, Virginia, USA

Full-time

Overview The Azure Integration developer will be working under the guidance of the Architecture and Engineering team and will be responsible for developing applications/integrations/interfaces/APIs using Azure Logic Apps, Function Apps, Integration Services (AIS) and related Azure feature sets. The Azure developer will also be responsible for migrating existing BizTalk integrations to Azure. The role is technical and hands-on in nature and requires well-rounded skills to address complex busine
Posted 55 days ago | Updated 3 hours ago

Senior Software Engineer

Base-2 Solutions, LLC

•

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 6 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 6 hours ago

Principal Software Engineer

Base-2 Solutions, LLC

•

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 6 hours ago