C# Jobs in District Of Columbia

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Senior .NET Developer

Kforce Technology Staffing

Remote or Boston, Massachusetts, USA

Contract

RESPONSIBILITIES: Kforce has a client in Boston, MA that is seeking a seasoned Senior .NET Developer with 8+ years of experience in full-stack development. This role involves designing and building scalable web applications and APIs, working across front-end, back-end, and database layers in a cross-functional team. Responsibilities: * Senior .NET Developer will develop and maintain web applications and services * Collaborate on architecture, design, and code reviews * Translate business requir

Principal Software Development Engineer

CVS Health

Texas, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w

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

Lead Software Engineer - Backend (Hybrid/Onsite)

Visa Inc.

Remote or Bellevue, Washington, 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

Lead Software Developer (.NET & Insurance Solutions) Remote

Gainwell Technologies LLC

Remote or Birmingham, Alabama, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have

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

Senior Data Analyst (Remote)

Quest Diagnostics Inc.

Remote or Secaucus, New Jersey, USA

Full-time

Job Description 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 interact

Senior Software Engineer (Interoperability FHIR/HL7)

ConsultNet, LLC

Remote or Dallas, Texas, USA

Full-time

Senior Software Engineer (Interoperability) Remote (MST, Central, or Eastern Time Zone) 6-12-month Contract or Contract to Hire Pay Rate: $75-80/hr A technology-first organization delivering secure, scalable software solutions to streamline the exchange and management of healthcare records. With a mission to reduce administrative friction in regulated environments, they help modernize how critical data is accessed, shared, and stored across health systems. Job Description: This role centers on

Sr. Software Development Engineer- CDN

CVS Health

Texas, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w

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

Mid-Level Software Developer

Boeing Company

Remote or Everett, Washington, USA

Full-time

Mid-Level Software Developer Company: The Boeing Company The Boeing Company is currently seeking a Mid-Level Software Developer to join the team in Everett, WA; Berkeley, MO; Huntington Beach, CA; Kent, WA; North Charleston, SC; Renton, WA; Ridley Park, PA; Seattle, WA; or Tukwila, WA. The Mid-Level Software Developer will be working with the Wire Information and Release System (WIRS) team and will be working with the Electrical domain to perform duties on production support work items and day

(USA) Software Engineer III

Walmart Inc.

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

Software Engineer - Remote

Donnelley Financial Solutions

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

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

Kentro

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

Electrical & Controls Engineer

McKesson Corporation

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

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 inf

Sr. Software Engineer

First American Financial Corporation

Remote or Santa Rosa, California, USA

Full-time

Who We Are Join a team that puts its People First! As a member of First American's family of companies, First American Home Warranty offers a wide range of home warranty products and services to home sellers, buyers and agents. Since 1889, First American (NYSE: FAF) has held an unwavering belief in its people. They are passionate about what they do, and we are equally passionate about fostering an environment where all feel welcome, supported, and empowered to be innovative and reach their full

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

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

Application Development Advisors- Hybrid

Cigna

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