c# Jobs in District of Columbia

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Application Development Advisors- Hybrid

Cigna

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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
Posted 31 days ago | Updated 9 hours ago

Solution Architect Customer Support Team

StackNexus Inc.

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Remote

Contract

Extensive experience in software architecture design and cloud platforms, with a focus on designing scalable, high-performance, and resilient systems. Deep understanding of software development methodologies, frameworks, and patterns, including microservices, service-oriented architecture (SOA), and event-driven architecture. Knowledge of programming & scripting languages such as Python, bash, C# or similar, so as to be able to do quick prototypes Strong knowledge of cloud platforms & services (
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Posted 10 days ago

Senior Data Analyst (Remote)

Quest Diagnostics Inc.

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Remote or Secaucus, New Jersey, USA

Full-time

Overview 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 interactive use
Posted 9 days ago | Updated 9 hours ago

Dotnet Developer

Randstad - Torc

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Remote

Contract

We are looking for a highly skilled Full Stack .NET Developer for a full-time contract. This is a 100% remote role with flexibility to collaborate across Central Time (CT) hours. What You ll Do Design, develop, and optimize web applications using .NET (C#) for the backend and modern frontend technologies.Collaborate with product managers, designers, and other engineers to build scalable, efficient solutions.Implement best practices in software architecture, automated testing, and performance opt
Posted 60+ days ago | Updated 19 days ago

Lead Software Developer (.NET)

Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is seeking a Lead Software Developer (.NET) to join a leading shipping and logistics organization. The Lead Software Developer (.NET) will oversee and enhance intricate customer deployments of a specialized SaaS platform. Responsibilities of the Lead Software Developer (.NET) include: Take part in planning and gathering requirements for technical projects, including designing, coding, testing, and troubleshooting applications. Build applications and services using our main techn
Posted 52 days ago | Updated 26 days ago

Part-time C# .Net / FoxPro Developer - 100% remote (MUST HAVE FOXPRO and live in U.S.)

Columbia Advisory Group

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Remote

Contract

C# .Net / FoxPro Developer needed for ongoing contract (6+ months). Role is approximately 20 hours per week (during business hours, and some can be done afterhours) and is 100% remote (must be based in U.S.). Youre a fit if you have: Solid work experience utilizing C# .NetExperience migrating FoxPro code to modernized applications/codebase - FoxPro experience must have been within the last 10 yearsExperience with data/file imports, exports, and data scrubbing/validation routinesDemonstrated abil
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Posted 60+ days ago | Updated 4 days ago

Senior Test Manager//W2 Contract//investment banking or heavy financial services

Stellent IT LLC

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US

Contract

Title or Role: Test Manager Location: 100% Remote Length of Contract: 6 months TEST manager with at least 10 years current SDET Test Management exp., with investment banking or heavy financial services Position Description: We are seeking a seasoned Test Manager to build, manage, and evolve the testing function within our technology organization. This role is ideal for an experienced testing professional who combines leadership capabilities with hands-on technical expertise, including automa
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Posted 5 days ago | Updated 1 hour ago

Full Stack Software Engineer

Booz Allen Hamilton

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Remote

Full-time

Job Number: R0222139 Full Stack Software Engineer 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 create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop software and systems from vision to production-ready. This role is more than just coding
Posted 3 days ago | Updated 10 hours ago

Software Developer (SWE1) (Government)

AT&T Inc.

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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 9 hours ago

Software Developer (SWE0) (Government)

AT&T Inc.

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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 9 hours ago

Field Applications Engineer (Semiconductor)

Thermo Fisher Scientific

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Idaho, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Cleanroom: no hair products, jewelry, makeup, nail polish, perfume, exposed piercings, facial hair etc allowed Job Description Job Title: Field Apps Engineer, Semiconductor The Semiconductor Business Unit provides solutions in pathfinding, yield learning, and failure analysis of semiconductor processes and manufacturing. Our broad range of high-performance microscopy workflows provides critical data at the micro-, nano-, and picomete
Posted 18 days ago | Updated 9 hours ago

Lead Software Engineer - Data and AI - Lakeland

Publix

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Remote or Lakeland, Florida, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp
Posted 2 days ago | Updated 2 hours ago

Full Stack \

ConsultNet, LLC

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Remote or Birmingham, Alabama, USA

Full-time

Full Stack "Data" Engineer Remote (EST or CST) 8 month contract Pay Rate: $50.00 to $52.00 per hr. We're looking for a hands-on Full Stack "Data" Engineer with experience on Palantir to support a major migration from a legacy system to a modern enterprise data platform. This role is part of an ongoing transformation project that began in early 2025. You'll help accelerate development by contributing to backend services and high-performance data pipelines in a collaborative Agile environment. Key
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Posted 53 days ago | Updated 8 hours ago

Senior Services Engineer

GE Vernova

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Bellevue, Washington, USA

Full-time

Job Description Summary Job Description Essential Functions / Responsibilities: Work closely with customers to understand and define requirements, develop technical proposals, and set expectations for software implementations, upgrades and or interface projects. Contribute to software implementation, troubleshooting, customization, and integration into customer systems while balancing scope versus project time and resource commitments. Collaborate with the customer to identify technical requi
Posted 17 days ago | Updated 9 hours ago

Application Architect

Centene Corporation

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Georgia, USA

Full-time

You could be the one who changes everything for our 28 million members by using technology to improve health outcomes around the world. As a diversified, national organization, Centene's technology professionals have access to competitive benefits including a fresh perspective on workplace flexibility. Position Purpose: Designs, developments, and deployments of the enterprise architectural software systems. Defines system solutions based on user/client needs, cost, and required integration with
Posted 60+ days ago | Updated 9 hours ago

Sr. Full Stack Engineer (Atlanta)

Publix

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Remote or Alpharetta, Georgia, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp
Posted 2 days ago | Updated 2 hours ago

Sr. Software Engineer - Sitecore Web Development (Remote)

Publix

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Remote or Lakeland, Florida, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp
Posted 11 days ago | Updated 2 hours ago

Staff Software Engineer - Java (Hybrid/Onsite)

Visa Inc.

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Remote or Austin, Texas, 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 21 hours ago | Updated 9 hours ago

Principal Engineer, HR & Legal Technology (Hybrid - Seattle, WA)

Nordstrom

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Remote or Seattle, Washington, USA

Full-time

Job Description A Principal Engineer acts as a technology leader in all aspects of their daily job. This includes being responsible for architecture, best practices and operational excellence for multiple teams across Nordstrom as well as being the subject matter expert for a specific vertical. Principal Engineers are extremely proficient and self-starting individual contributors that know when to use coding as a core part of their practice as well as lead code reviews to expand their influence
Posted 49 days ago | Updated 9 hours ago

Director of Architecture

Vertex Solutions Inc.

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Remote

Full-time

We are currently seeking a Director of Technical Architecture & Operations that has experience in architecting technical design solutions. The candidate MUST have Commercial Insurance (General Liability and Worker Compensation preferred). REQUIRED: Commercial Insurance (GL and WC desired) Must have 3 years as a director of development/architecture Role: Director of Technical Architecture and Operations Location: Fully Remote / Frequent travel to Florida. Type: W2 / Full Time / Permanent Techni
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Posted 13 days ago