.Net C# Lead Developer Jobs in Seattle, WA

Refine Results
101 - 120 of 219 Jobs

Application Developer

Xoriant Corporation

Remote

Contract

Job Title: Application Developer Location: Remote, USA Duration: 6+ months contract Overview: Responsibilities: The Application Developer utilizes minimum requirements to develop technology solutions for the Mortgage Servicing platform using a cloud solution and Microsoft technologies, utilizing services from our cloud service provider. Will write high quality code to create complex business applications; test software during development; perform quality assurance and user acceptance testing; p

Enterprise Architect with Dot NET , Azure & Migration Exp

ConglomerateIT

Remote or Dallas, Texas, USA

Contract

Job Title: Enterprise Architect with .NET, Azure & Migration Exp Tax Term: W2/1099 Only Location: Someone who is in PST or is comfortable working in PST (Remote) Employment Type: Contract About us Conglomerate IT is a certified and a pioneer in providing premium end-to-end Global Workforce Solutions and IT Services to diverse clients across various domains. Visit us at Our mission is to establish global cross culture human connections that further the careers of our employees and strengthen

Senior C#/React Native Mobile Engineer/Entertainment/Remote

Motion Recruitment Partners, LLC

Remote or Philadelphia, Pennsylvania, USA

Full-time

A large company in the entertainment industry is hiring for a senior .NET/React Native developer. The firm needs someone with a strong background in .NET and React Native and has a background in entertainment and streaming to do full stack development on a customer facing product used by thousands of people daily. *This role is remote, but requires that you work EST hours* The company's main focus will be expanding, improving, and upgrading their customer facing platform. They are looking to bri

Software Engineer - Pharmacy InfoSystems

Costco Wholesale Corporation

Issaquah, Washington, USA

Full-time

Costco IT is responsible for the technical future of Costco Wholesale, the third largest retailer in the world with wholesale operations in fourteen countries. Despite our size and explosive international expansion, we continue to provide a family, employee centric atmosphere in which our employees thrive and succeed. This is an environment unlike anything in the high-tech world and the secret of Costco's success is its culture. The value Costco puts on its employees is well documented in artic

C#/Javascript/SQL Server Fullstack Developer

Case Interactive

Remote

Full-time

Title: Software Application Developer Job Description: We are seeking a talented and motivated Software Developer to join our fully remote team. This role involves working with our proprietary full-stack in-house development platform and low-code language to build and maintain database-driven web applications. While experience with our in-house platform and language is not expected, candidates should have a strong background in UI development and database architecture. As part of an agile develo

IAM Manager

Apexon

Remote

Contract

Hi, Greetings from Apexon IAM Manager 100%Remote Job Duties and Responsibilities: Lead the design and implementation of Identity and Access Management (IAM) solutions, including authentication, authorization, and user provisioning workflows. Drive integration with modern identity providers such as Auth0, KeyCloak, Okta, or Azure AD, ensuring secure SSO and MFA across applications. Oversee adoption and compliance with OAuth 2.0, OpenID Connect, and related standards across engineering teams. Col

Application Architect

Kforce Technology Staffing

Remote or Dallas, Texas, USA

Contract

RESPONSIBILITIES: Kforce has a client that is looking for a talented and motivated Senior - Architect level .NET/C# Developer with an interest in stepping into an architecture role that will have heavy hands on coding as well. This is an exciting opportunity to join a team starting a new IT initiative in 2024. The company is transitioning away from Oracle-based applications and consolidating to a single stack to make their systems more maintainable and efficient. As part of this initiative, you

Mobile Device Developer

Robert Half

Remote or Madison, Wisconsin, USA

Contract

Description We are seeking a highly skilled Senior Mobile Developer to join a dynamic development team working on a next-generation mobile application. This is a contract role with an immediate start, focused on building and enhancing a cross-platform app using .NET MAUI. The app includes an innovative image recognition feature to support the collection of vehicle damage data. Key Responsibilities: Design and implement new mobile application features using .NET MAUI, C#, and XAML.Integrate an i

Senior QA Analyst

Kforce Technology Staffing

Remote or Jacksonville, Florida, USA

Contract

RESPONSIBILITIES: Kforce has a client in Jacksonville, FL that is seeking a Senior QA Analyst to join a dynamic sprint team. This individual will play a key role in enhancing and maintaining automated testing frameworks while contributing to monthly deployments. Duties: * Senior QA Analyst will design, develop, and maintain automated test frameworks for UI and APIs using C#, .NET, and NUnit * Write and execute SQL queries to support complex test validations * Collaborate closely with developers

Sr Developer

Randstad Digital

Remote or Cleveland, Ohio, USA

Contract

job summary: For this contractor assignment, seeking a Full Stack developer with strong cloud experience that will work in a fast paced, collaborative environment, with groups in both IT and business areas: designing, coding, unit testing in a variety of technologies supporting UI, backend, API, database and Cloud. This assignment will have a strong focus on backend development. location: Cleveland, Ohio job type: Contract salary: $58.57 - 68.57 per hour work hours: 8am to 5pm education: Ba

SAP Gigya Consultant Customer Data Cloud

Pandit View Software

Remote or Arkansas, USA

Contract

Job Title: SAP Gigya Consultant Customer Data Cloud (Remote, 25% Travel) Location: Remote (USA preferred) Travel: Up to 25% (as needed for client meetings, workshops, or implementation support) Job Type: Full-Time W2 only Experience Level: Mid to Senior-Level Rate: W2 only and Depends on Experience Position Summary: We are seeking a dynamic and experienced SAP Gigya Consultant to join our team. The ideal candidate will have hands-on experience implementing SAP Customer Data Cloud (Gigya) s

IT Developer

Tri-Force Consulting Services Inc

Remote

Contract

Title: IT DeveloperDuration: 12 MonthsClient: Judicial Council of CaliforniaNote: Remote roleJob Description:5 + years of Hands-on experience with multiple languages and technologies: Dotnet Core, C#, Angular, , RESTfulAPI, Microservices, SOAP-based Webservices, XML, XLST, XSD, XPath, SQL, , HTML, and JSON.5+ years of proven track record designing and developing enterprise and scalable systems, such as multi-tier, distributed, and web-based system design and development principles and internet/i

Cloud Infrastructure Developer/Architect - 6 Months contract to hire

Indus Valley

Remote

Contract

Visa: No third party candidates considered for this position Title: Cloud Infrastructure Developer/ArchitectLocation: 100% remote (EST or CST Hours)Duration: 6 Months Contract to HireInterviews: MS Teams Note: ** We are looking for people who are writing code. Hands on the keyboard. Not using code that someone else wrote. Interview:2 rounds of interviews plus a Technical Lab scenario1st interview: 1 hour meet and greet. May be less than an hourCandidate is emailed a technical lab to be complete

Automation & Controls Engineer (Starlink)

SpaceX

Redmond, Washington, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. AUTOMATION & CONTROLS ENGINEER (STARLINK) Starlink is the world's largest satellite constellation providing fast, reliable internet to 4M+ users worldwide. We design, build, test, and operate all parts of the system -

Senior Full Stack Developer

Randstad Digital

Remote or Tampa, Florida, USA

Full-time

job summary: Randstad Digital is seeking a Full Stack Developer to support development of an internal application, which is part of a long-term project. 100% Remote M-F, 8am-5pm, eastern time zone location: Tampa, Florida job type: Contract salary: $70 - 90 per hour work hours: 8am to 5pm education: Bachelors responsibilities: Responsible for design and development of web application matches business requirementsResponsible for implementing business logic at server side using .Net Core,

Programmer Analyst-Databricks (32636)

Myticas LLC

Remote or Lansing, Michigan, USA

Contract

Programmer Analyst-Databricks Location: Lansing, MI 48933 (Hybrid Role with 2 days onsite from day one) Client: Myticas' Direct Client Work Schedule: Hybrid (On-site two days per week - Tuesday and Wednesday) Candidate Requirements: Candidates MUST be local (within 90 minutes of Lansing). Will need to be onsite starting day 1 for hybrid work schedule of 2 days a week in office. No remote-only option. Top Skills & Years of Experience: 6+ years of Development Environment Support for Databricks

Application Development Advisors- Hybrid

Cigna

Remote or St. Louis, Missouri, USA

Full-time

The job profile for this position is Application Development Advisor, which is a Band 4 Contributor Career Track Role with Cigna-Evernorth Services Inc. Responsibilities- Develop software applications within AAPS (Affordability & Accuracy Pre/Post Pay Solutions) 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, including Sc

Infrastructure Technical Architect/ Remote , ( Denver, CO ),12Months Contract

Suncap Technology

Remote or Denver, Colorado, USA

Contract

Infrastructure Architect Location: Remote , ( Denver, CO ) Duration:12 Months Contract Designs, develops, and implements application infrastructure to provide highly-complex, reliable, and scalable applications and systems to meet the organization's objectives and requirements in a specialized industry. Supports solution development and Technology/Architecture selection activities and assesses technical architecture. Provides specifications for physical components, hardware, and software. Req

APPLICATION DEVELOPER/ANALYST LEAD

University of Washington

Seattle, Washington, USA

Full-time

Although open until filled, priority application date is June 19, 2025. As a UW employee, you have a unique opportunity to change lives on our campuses, in our state and around the world. UW employees offer their boundless energy, creative problem-solving skills, and dedication to build stronger minds and a healthier world. UW faculty and staff also enjoy outstanding benefits, professional growth opportunities and unique resources in an environment noted for diversity, intellectual excitement,

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