C# Developer jobs in Illinois

Remote or Hybrid in Cleveland, Ohio

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Today

Our Fortune 100 client is hiring for a Senior Software Developer in Test who is highly proficient with test automation framework creation and enhancement. In this role, you ll work closely with developers to implement Reqnroll for scalable automated testing. 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: - Lead and implement automated testing using Reqnroll (SpecFlow-style BDD automation) for .NET servic

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Contract

DOE

Senior C#/Angular Developer

Remote or Hybrid

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Today

Our Fortune 100 client is hiring for a Senior Fullstack Developer to focus on Angular front-end development and C# back-end to enhance capabilities. This role requires expertise in C#, .NET (back-end), Angular (v18+), JavaScript, HTML (front-end), SQL Server, and APIs. You'll analyze requirements, write and test code, support production systems, and ensure seamless software integration. Experience with Duck Creek insurance platform is a plus. This is a fully remote role foowing an ET work schedu

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Contract

DOE

Senior Software Development Engineer (C# / Power Pages / CRM)

Remote or Redmond, Washington

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Today

job summary: Join a specialized engineering team dedicated to protecting global customer systems and fighting cybercrime. In this role, you will design, develop, and deploy scalable CRM applications and intuitive customer portals that safeguard critical digital infrastructure. location: Telecommute job type: Contract salary: $65.74 - 75.74 per hour work hours: 8am to 5pm education: Bachelors responsibilities: Design and implement custom enterprise CRM solutions and customer-facing Power Pa

Contract

USD66 - USD76

Full Stack C#/Angular Developer

Remote

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9d ago

Job Title:Full Stack C#/Angular Developer Location: Remote Duration: 12 Months + Extension Bill Rate: $70/hour Job Type: C2C/1099 Contract Client: To Be Discussed Later Work Authorization: U.S. Citizen, H-1B, OPT-EAD, GC-EAD POSITION SUMMARY: What to Expect The Insurance Claims Application team is seeking a Backend Software Engineer to contribute to the development of our Web App. These products are part of the advanced platforms for managing Service workflow for Vehicle, Insurance Claims and E

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Contract

$60 - $70

Jr. C#.Net Full Stack Developer - Hybrid NYC

Remote or New York, New York

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Today

job summary: The Full Stack Engineer is responsible for both front end and backend development tasks, including database tasks. This individual will be well versed with programming languages that are required for client (user) side development, as well as integration approaches and technologies to bridge contemporary front-end implementations with legacy backend systems. Core Responsibilities: Design and develop responsive, scalable front-end applications using Angular, following component-ba

Contract

USD55 - USD57

Senior .NET Developer (AWS)

Remote or Hybrid in Cleveland, Ohio

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Today

Our Fortune 100 direct client is hiring for a talented C# Developer with strong experience working with AWS services. You would be designing and coding in a variety of technologies supporting backend, APIs and Cloud systems. The ideal candidate will have experience in developement with C# as well as strong understanding of AWS infrastructure (S3, Lambdas, EC2, etc) and MongoDB. This would be a fully remote position. Does this sound like something you'd like to hear more about? If so, APPLY NOW!

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Contract

DOE

Azure Lead Developer

Remote or Englewood, Colorado

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Today

job summary: Remote location: Telecommute job type: Contract to Perm salary: $70 - 80 per hour work hours: 9am to 5pm education: Bachelors responsibilities: Candidate will provide expertise and ownership of Azure software development tasks within the scrum team. Interacts effectively with clients and leadership, and can adapt communication for the appropriate audience. Reads and comprehends software requirements, assisting with development of agile user stores and tasks. Assists with trou

Contract

USD70 - USD80

C# .Net Full Stack Engineer - Canada, Remote

Remote

•

Today

Job Title: C# .NET Full Stack Engineer (AI/LLM) Location: Canada (Candidates must be currently based in Canada) Employment Type: Long-Term Contract About the Role We are seeking an experienced C# .NET Full Stack Engineer with strong expertise in modern backend and frontend development, cloud technologies, and AI-powered application development. The ideal candidate will have hands-on experience building scalable enterprise applications using C#/.NET, Azure, Next.js, and React, along with practica

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Third Party, Contract

Full Stack Quantitative Developer with Capital Marketing and Fixed Income Experience

Remote

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14d ago

Job Details: Job Title: Full Stack Quantitative Developer with Capital Marketing and Fixed Income Experience Location: Tampa, FL and New Jersey 100% Remote Duration: Long Term Contract Job Description: We are hiring a Full Stack Quantitative Developerto design, build, and own end-to-end applications that support credit, private credit, structured products, and CLO businesses. This is a hands-on engineering role with quant DNA: you will write production code across the stack, model financial ca

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Contract, Third Party

Depends on Experience

.Net Developer

Remote

•

Yesterday

Title: .Net Developer Location: Remote Duration: 6+ Months Contract to hire The Full Stack .Net Developer is responsible for designing, developing, testing, implementing, and supporting enterprise applications utilizing a modern technology stack that spans front-end, back-end, database, cloud, and integration platforms. This role requires proficiency across the full application stack, including user interface development using HTML, CSS, JavaScript, TypeScript, React, Angular, and related frame

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Contract

Depends on Experience

Salesforce (IT Application Development - Journey)

Remote or Olympia, Washington

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Today

Salary : $85,800.00 - $115,416.00 Annually Location : Thurston County - Olympia, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 2026-3274-06257 Department: Liquor and Cannabis Board Division: Information Technology Services Opening Date: 07/31/2026 Description WSLCB Vision Safe communities for Washington State. Mission Promote public safety, public health, and trust through fair administration, education and enforcement of liquor, tobacco, cannabis and vapor la

Full-time

USD 85,800.00 - 115,416.00 per year

Software Developer w Angular - Full Stack ( remote )

Remote or Orlando, Florida

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Today

Drive the execution and delivery of features by collaborating with many cross functional teams, architects, product owners, and developers. Experience with a microservice architecture and platform-based development. Requirements .NET Experience. .NET Core Experience. ASP.NET Experience. Software Developer. Software Engineer. C# Experience. Experience as a technical or team lead or equivalent. Working knowledge of unit testing, user stories or use cases, design patterns or equivalent experien

Full-time

.NET Developer

Remote or Orlando, Florida

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Today

Job Title: .NET Developer Location: Orlando, FL, Columbia, SC, Atlanta, GA, Charlotte, NC, Tampa, FL, Raleigh, NC, Durham, NC. Looking for W2 candidates. No C2C Job Summary The ideal candidate should possess strong expertise in C#, .NET Framework, .NET Core, ASP.NET MVC, SQL Server, and front-end technologies. Candidates with experience in enterprise or financial domain applications are highly preferred. Key Responsibilities Design, develop, and maintain enterprise web applications using C# and

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Contract

Depends on Experience

Backend .Net Developer

Remote

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30+d ago

5+ years of .NET development experience with a proven background in C# and ASP.NET Core.Experience developing web-based business applications.Experience integrating applications with SQL Server and Azure SQL.Strong understanding of API development and database interaction.Experience implementing authentication and authorization controls.Remote based opportunity for EST candidates only

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Contract

55 - 62

.NET Web Developer

Remote

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30+d ago

This position is able to be a remote work from home position. Must live in Florida, Georgia, Nevada, Ohio, Tennessee or Texas to be considered. Are you looking for a SOLID career move? Do you find that you have a creative ability to engineer elegant solutions to complex problems or that you love to solve puzzles with code? Then you are the person that we are looking for! We have a great group of developers currently supporting our growing E-commerce company and we want to expand our team! We are

Full-time

Depends on Experience

.Net Lead Developer

Remote

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12d ago

.Net Lead Developer W2 Fulltime 100% Remote Position At Least 10+ Years experience required Job Description: Strong knowledge of C#,, and .NET Core.Experience with Microsoft Azure services.Knowledge of RESTful APIs and microservices.Experience with SQL Server or Azure SQL Database.Familiarity with Git or other version control systems.Understanding of Agile/Scrum development methodologies.Good communication and problem-solving skills.Thanks & Regards Sami | Sr Lead Recruiter Small ArcInc. 860 US

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Full-time

80,000 - 100,000

.NET Developer

Remote

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9d ago

Rezult continues to make great strides toward enhancing the technology community nationwide.We are consistently looking for qualified professionals to join us in achieving success.Currently we are searching for a.NET Developerto fulfill an immediate vacancy. This individual will be responsible for: Production support for various applications, designing and developing the application services for an enterprise application solution.Creating unit test plans/cases, developing, unit testing conduct

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Contract

50 - 60

QA Engineer - Playwright and C# exp - Hybrid - Plano, TX - W2

Remote or Plano, Texas

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Today

We are seeking a skilled Senior QA Engineer to join our dynamic software development team. In this role, you will lead quality assurance initiatives across web applications and web services. You will be responsible for traditional manual/API testing, backend data verification, and building modern, reliable automated test suites. The ideal candidate blends strong foundational QA practices with modern automation expertise, possesses object-oriented coding skills, and is adept at utilizing AI-assis

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Contract

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

Remote

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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

Tech Lead ( Remote ) - .Net, Angular

Remote or Orlando, Florida

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Today

Drive the execution and delivery of features by collaborating with many cross functional teams, architects, product owners, and developers. Experience with short release cycles, feature toggle implementations, and continuous integration. Experience with a microservice architecture and platform-based development. Responsible for development process improvement and removing impediments. Contributes to development tasks such as coding and feature verifications to assist teams with release commitmen

Full-time

USD 100,000.00 - 120,000.00 per year

C# Developer jobs in Illinois, USA