C# jobs in Washington

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

Software Developer(C#, ERP, AI)

Remote or Valhalla, New York

•

Today

Description We are looking for a Software Developer to join our team in Valhalla, New York and contribute to the continued development of a modern enterprise resource planning platform. In this role, you will collaborate with cross-functional partners to build reliable application features, improve integration capabilities, and support clients through well-crafted technical solutions. This opportunity is ideal for someone who enjoys hands-on coding in C# and .NET while also exploring practical w

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Full-time

USD 70,000.00 - 80,000.00 per year

Lead C#.NET Developer - COTS

Remote or Hybrid in Raleigh, North Carolina

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3d ago

ONLY W2ONLY W2ONLY W2 MUST have experience working on COTS products Title: Lead Developer Location: McLean, VA 22102 (Remote) Duration: 6 Months Contract (Potential Extension) Job Description: Terms of Employment W2 Contract, 6 MonthsRemote Opportunity (US EST Time zone work schedule (Candidates in Raleigh NC preferred but not required) Overview The Developer, Specialist performs thorough end-to-end analysis of complex business functionality, provides technical solutions for complex business re

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Contract

Depends on Experience

Software Engineer IV (C#/.NET)

Remote

•

Today

Software Engineer IV (C#/.NET) Remote- CST/EST Hrs. 5-month contract Key Responsibilities - Perform hands-on software development using C#/.NET. - Support vulnerability remediation and application modernization efforts. - Perform heavy application migration and source-control migration activities. - Work with GitHub and migrate applications from one source-control platform to another. - Develop and maintain CI/CD pipelines, with specific experience using Harness. - Utilize Azure DevOps

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Full-time, Part-time, Third Party, Contract

$DOE

Manager, Software Engineering

Remote

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4d ago

Manager, Software Engineering Salary: Open + Bonus Preferred Location: Chicago, IL (Hybrid 3 days onsite, 2 days remote) Secondary Location: (Remote) MA / NY / DC area / FL / TX *We are unable to provide sponsorship for this role* Qualifications Bachelor's degree6+ years of hands-on software engineering experience building cloud-native applications on Azure3+ years of experience with Azure Container Apps, Azure Kubernetes Service (AKS), or equivalent container orchestration platforms2+ years of

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Full-time

Depends on Experience

Lead Software Developer in Test (C#)

Remote or Hybrid in Cleveland, Ohio

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Today

Our Fortune 100 client is hiring for a Lead Software Developer in Test to assist the project team with driving quality-centric practices into their software development processes and will also be responsible for working closely with the project teams to guide their use of test automation assets and consult on the creation and use of new test automation. The role is open to fully remote but candidates but must be willing to work ET hours within the United States. Day-to-Day Responsibilities: - S

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Contract

DOE

senior System Engineer

Remote

•

10d ago

Senior Systems Engineer Remote FULL TIME Required Skills & Experience Experience: 812+ years in semiconductor equipment / automation systems Domain expertise in: System engineering / Architecture - Machine level (mechanical, electrical, firmware, and software) Semiconductor tools: EFEM, Sorter, Load Ports, Wafer Handling, robots Key Skill expected: Embedded Firmware background - C/C++ / RTOS / Microcontrollers C# - machine automation or industrial applications Motion control systems

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Full-time, Third Party

Depends on Experience

Full Stack Developer (.NET / C# + React)

Remote

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10d ago

About the Role Our client, a company in the payments/fintech space, is seeking an experienced Full Stack Developer to join their engineering team. You'll build and maintain secure, high-throughput services on a modern .NET + Azure stack, working across the backend and the React front end. This is a fully remote, contract or direct-hire for candidates already based in the U.S and authorized to work. What You'll Do Design, build, and maintain backend services in C# / .NETDevelop responsive, user-f

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Full-time

$80

MANAGER - C# Software Engineering - Azure Cloud-Native Architecture

Remote

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25d ago

NO SPONSORSHIP - NO OPT Software Engineering Senior Manager - Azure Cloud SALARY: $195k - $235k plus discretionary bonus LOCATION: hybrid 3 days onsite if in Chicago Remote if in TX, MA, NY, DC, FL, CA. Target Salary Range : $195,000 - $234,400 Seeking a hands-on engineering leader with deep Azure expertise to lead a team of 5 7 engineers while driving cloud-native architecture, platform engineering, and modern software development within the Data & AI organization. Senior Engineering Manager wh

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Full-time

$195,000 - $235,000

Principal Software Architect / Software Architect (.Net/C#)

Remote

•

Today

Hello; Principal Software Architect / Software Architect (.Net/C#) Long Term Job Location- Remote Core Platform C# / .NET 8 ,ASP.NET Core ,Vue.js 3 / TypeScript , SQL Server ,COBOL (legacy) Cloud & AI Amazon Web Services (AWS), Amazon Bedrock , AWS Lambda / ECS , Docker, MCP Server Architecture Architecture Domains SaS / SaaS / PaaS / Multi-Tenant ,Microservices ,API-First Design ,Event-Driven Architecture , CI/CD / DevOps Core Responsibilities Lead enterprise technical architecture for SaaS-h

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Full-time, Part-time, Third Party, Contract

C#/.NET Full Stack Developer

Remote

•

Today

Seeking a Full Stack Developer to design, develop, and support modern web applications and APIs in a cloud-based environment. This role will leverage C#/.NET 8+, ASP.NET Core Web API, Entity Framework Core, AWS Lambda, React, TypeScript, and Redux Toolkit to build scalable, high-performing solutions. The ideal candidate has strong full stack development experience and enjoys working across both front-end and back-end technologies. Beacon Hill is an equal opportunity employer and individuals with

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Contract

Sr. Software Engineer (C# .NET/Azure/React/API

Remote

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5d ago

Title: Sr. Software Engineer (C# .NET/Azure, React, APIs, Kafka and Kubernetes) Location: REMOTE Duration: one year with possible extensions Compensation: 70-80/hr Work Requirements: , Holders or Authorized to Work in the US Job Description: Seeing a motivated Software Development professional passionate about NET/Azure development and integrations. You excel at software development and have experience in .NET, specifically C#, React, API, and Eventing. You are optimistic, proactive, analytica

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Third Party, Contract

$65 - $70

Senior .NET/C# Engineer - Iris AI

Remote

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Today

About Delinea: Delinea is a pioneer in securing human and machine identities through intelligent, centralized authorization, empowering organizations to seamlessly govern their interactions across the modern enterprise. Leveraging AI-powered intelligence, Delinea's leading cloud-native Identity Security Platform applies context throughout the entire identity lifecycle - across cloud and traditional infrastructure, data, SaaS applications, and AI. It is the only platform that enables you to disco

Full-time

USD 130,000.00 - 162,200.00 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

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Today

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

Senior Full Stack .NET Developer - Remote

Remote or New York, New York

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Today

Job Role: Senior Full Stack .NET Developer Location: New York City, NY - Hybrid Duration: Long Term Project No C2C only W2 Job Summary: We are seeking an experienced Senior Full Stack .NET Developer to join our team in New York City. The ideal candidate will have strong full-stack development expertise with Angular 15+, C#/.NET, MS SQL Server, RESTful APIs, cloud platforms, and modern DevOps/CI/CD practices. Key Responsibilities: Design, develop, test, and maintain scalable full-stack web app

Contract

$DOE

Software Engineer III

Remote or St. Louis, Missouri

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Today

Position: Software Engineer Location: Remote (Must work CST hours) Duration: 6-12+ Months Contract Role Overview Strong professional experience with C# and .NET development. Experience with .NET Framework and .NET Core. Experience working with SQL and relational databases. Experience supporting applications in an enterprise or production environment. Experience with CI/CD pipelines and software deployment processes. Experience working with or modernizing legacy applications. Preferred Qual

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Full-time, Part-time, Third Party, Contract

USD 50-55

Software Developer OnBase

Remote

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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

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Contract

Depends on Experience

Microsoft Dynamics Consultant

Remote

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2d ago

Qualifications: We are looking for a senior Microsoft Dynamics Principal Consultant with overall 10+ years of IT experience. This is role requiring strong technical developer skills (C#, .NET, plugins, integrations) combined with expert functional capabilities (business process mapping, stakeholder management, discovery). should have 35 years of hands-on X++ development experience within the D365 F&O environment.

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Contract

Depends on Experience

Software Engineer IV

Remote

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2d ago

Immediate need for a talented Software Engineer IV . This is a 06+ months contract opportunity with long-term potential and is located in US (Remote). Please review the job description below and contact me ASAP if you are interested. Job ID: 26-26389 Pay Range: $73 - $75/hour. Employee benefits include, but are not limited to, health insurance (medical, dental, vision), 401(k) plan, and paid sick leave (depending on work location). Key Requirements and Technology Experience: Must have skills:

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Contract

$73 - $75

C# jobs in Washington, USA