C# jobs in Washington

Senior Software Engineer - Mission Systems Integration

Remote

•

Today

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse transforms the way government uses d

Sponsored

Full-time

Principal Enterprise (C#.NET) Architect

Remote

•

Today

Collinwood is assisting our client in their effort to hire/engage an experienced C#.NET Architect. In this role, you will be thelead architect on this engagement. You will own the technical analysis and all architecture deliverables (aProduct Owner handles the product and business requirements side). Note: This role can either be a full-time salary or a long-term contractor WHAT YOU'LL DO Profile and assess codebases using AI-assisted tooling; validate existing architecture documentation (C4 d

Easy Apply

Full-time

Depends on Experience

C#/Duck Creek Developer (Field Engineer)

Remote or Hybrid

•

Today

Precision is seeking THREE (3) Duck Creek/C# Developers for a contract position with our Fortune 100 client. This fully remote role supports software applications and platform enhancements using Duck Creek Policy, C# .NET, Kafka, and API development. You will analyze requirements, create programming specifications, develop and test code, support production applications, and maintain technical documentation. The role requires strong troubleshooting, problem-solving, organization, and communicatio

Easy Apply

Contract

DOE

Senior GenTax Developer - C#/PostgreSQL - REMOTE

Remote

•

6d ago

Job Description: No Corp to Corp, Only W2/ 1099 Resumes will be considered Work Location: 100% Remote (Manager is willing to consider candidates in Eastern, Central, Mountain, and Pacific Time Zones) The candidate will be responsible for analysis, design, coding, testing, and documentation. The candidate will code enhancements and develop required fixes to production problems using the functional and technical programming standards of the GenTax system. The tool set will include C#, PostgreSQL,

Easy Apply

Contract

Depends on Experience

C#.NET Developer with Trading And Capital Market Exp

Remote

•

Today

JOB DESCRIPTION: Please apply only if you have Investment banking/Capital market experience. Role: C#.NET Developer with investment banking and Capital Market exp.Location: NY(Remote)Job Type: W2 / Fulltime Client is looking for a reliable full stack Dot Net developer ASAP.Wealth Management & Capital Market (Trading, Equities, Portfolio) Exp. Must.SQL, C#, .NET, Full stack developer with 8+ years of experienceProficiency in C#, .NET framework, and object-oriented programming principles.Experienc

Easy Apply

Full-time

Depends on Experience

Data Engineer

Redmond, Washington

•

Today

Hi, Job Role Data Engineer (C#.NET experience) Location Redmond, WA Primary Skills Python OR C# experience, DB (KQL, SQL and Cosmos DB), ETL , Azure Data Factory, Log Analysis, Power BI Dashboard, Azure DevOps, APIs and workflow integration Job Description Requirements Bachelor's degree in computer science or other engineering disciplines 5+ years of Python or C# experience 5+ years of experience with database systems (SQL, Cosmos) 2+ years of experience with ETL (python, Azure Data f

Easy Apply

Full-time, Third Party

Depends on Experience

Sr. Software Systems Engineer (C#/.NET Developer)

Remote

•

Today

Job ID: 2616718 Location: Remote Work, TX, US Date Posted: 2026-09-10 Category: Engineering and Sciences Subcategory: Systems Engineer 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: ORA_REMOTE Description SAIC is searching for a motivated, career and customer-oriented Sr. Software Engineer (C#/.NET Developer) who will work across EDI transaction processing, backend API develo

Full-time

USD 80,001.00 - 120,000.00 per year

Mainframe with C#

Remote

•

10d ago

Role :- Mainframe Consultant with .Net C# Location: | Remote Contract OpportunityLooking for a strong Mainframe Developer with:Hands-on C# coding experience Strong Mainframe experience Excellent communication skills Ability to work independently in a remote environment

Easy Apply

Contract, Third Party

Depends on Experience

C#/VB.NET Developer

Remote or Hybrid

•

Today

Our Fortune 100 client is seeking a Senior IT Software Developer for a 12-month contract assignment. This remote role focuses on developing software solutions, with approximately 80% back-end development and 20% front-end development. The developer will analyze requirements, write and modify complex code, test applications, support production systems, and maintain technical documentation. The role requires strong experience with VB.NET, C#, SQL Server, integration and reporting services, SQL Alw

Easy Apply

Contract

DOE

Sr. Software Systems Engineer (C#/.NET Developer)

Remote

•

Today

Job ID: 2616245 Location: Remote Work, TX, US Date Posted: 2026-08-28 Category: Engineering and Sciences Subcategory: Systems Engineer 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: ORA_REMOTE Description SAIC is searching for a motivated, career and customer-oriented Sr. Software Engineer (C#/.NET Developer) who will work across EDI transaction processing, backend API develo

Full-time

USD 80,001.00 - 120,000.00 per year

.Net Software Developer :: Remote

Remote or New Jersey

•

Today

.Net Developer/.Net Software Developer California, MD, US Remote, but in office on occasion or as needed Fulltime-- This software developer analyzes, designs and develops computer software required to support hardware or technical service products. Performs systems modeling, simulation and analysis. Reviews system architecture, selects, and implements appropriate development and support tools to ensure product performance. The products are components of the military aviation mission planning e

Easy Apply

Full-time

Software Developer

Remote or Irvine, California

•

5d ago

Software DeveloperJob SummaryWe are looking for a skilled Software Developer to design, develop, test, and maintain scalable software applications. The ideal candidate should have strong programming fundamentals, problem-solving abilities, and experience working with modern development technologies. Key ResponsibilitiesDevelop, test, debug, and maintain software applications. Write clean, scalable, and maintainable code. Analyze business and technical requirements and translate them into softwar

Easy Apply

Full-time

100,000 - 120,000

Managing Engineer (C#/ASP.NET)

Remote

•

Today

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years, our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description The Managing Engineer (C#/ASP.NET) leads a team of softwa

Full-time

USD 100,000.00 - 170,500.00 per year

C# Software Engineer

Everett, Washington

•

Today

Job Title: C# Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI at looking for a C# software engineer to design, develop, and maintain software tools that keep aircraft safe and operational. Your work will directly impact the Navy's F/A-18 fleet readiness by enhancing maintenance detection software and anoma

Full-time

USD 66,700.00 - 133,300.00 per year

Windows Software Engineer C# - C++

Remote or Phoenix, Arizona

•

Today

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world

Full-time

Software Engineer (SQL/C#)

Remote or Schenectady, New York

•

21d ago

LTI (Logic Technology, Inc.) the "Pro People" company is a privately held technology solutions provider that offers best in class services to local, national and global organizations. Now after three decades, these initials have come to represent more than just our company name. They've also come to represent our hard earned reputation for Leadership, Technology and Integrity. At LTI, we believe confident, motivated employees produce superior work, ensuring our existing client relationships cont

Full-time

Software Engineer III : Golang / C#

Remote

•

Today

At Jack Henry, we're more than a technology company, we're a force for good in financial services. We're redefining how community banks and credit unions connect with the people they serve. Our mission is rooted in people inspired innovation, empowering financial institutions to deliver seamless, secure, and human centered experiences. We deliver cutting-edge solutions that are paving the way for the next generation of digital banking and payments, but our true impact begins with our associates.

Full-time

USD 78,400.00 - 123,450.00 per year

Principal Software Engineer

Remote

•

Today

PRINCIPAL SOFTWARE ENGINEER Job Description Work Where You Matter: At Dollar General, our mission is Serving Others! We value each and every one of our employees. Whether you are looking to launch a new career in one of our many convenient Store locations, Distribution Centers, Store Support Center or with our Private Fleet Team, we are proud to provide a wide range of career opportunities. We are not just a retail company; we are a company that values the unique strengths and perspectives that

Easy Apply

Full-time

100,000 - 160,000

Software Developer OnBase

Remote

•

3d ago

Candidates MUST be eligible to work W2 on Prominent payroll for this opportunity. Prominent is looking for a Software Developer with OnBase experience for a contract to hire. This position can be performed REMOTE! No visa sponsorship is available for this opportunity! C2C or 1099 not available for this opportunity! Required Skills/Experience OnBase Workflow experience OnBase WorkView experience OnBase Unity Scripting (must) Reporting and DashboardsHigh preference given to candidates with the

Easy Apply

Contract

Depends on Experience

Developer (GenTax)

Remote

•

5d ago

5+ years of programming experienceExperience with one of FAST Enterprises systems (GenTax, Fast DS-VS, Fast UI-PL, or Fast CSE)C#, PostgreSQL, and Visual Studio

Easy Apply

Contract

Depends on Experience

Developer(GenTax) - Remote

Remote

•

Today

Developer Location: 100% remote Work Location: 100% Remote (Manager is willing to consider candidates in Eastern, Central, Mountain, and Pacific Time Zones) Top Skills: Has not worked for FAST Enterprises directly in the past 6 months 5+ years of programming experience Minimum 2 years' experience with one of FAST Enterprises, LLC technology systems (GenTax, Fast DS-VS, Fast UI-PL, or Fast CSE) C#, PostgreSQL, and Visual Studio Job Description: The candidate will be responsible for analysis, de

Easy Apply

Contract

Depends on Experience

C# jobs in Washington, USA