c# jobs in chicago, il

C# Developer (W/ Capital Markets Experience) (W2 Only / No C2C)

Chicago, Illinois

•

Today

Description Must have knowledge of capital markets: Role/Experience Expectations Building and extending apps through throughput and scalability Know how to build apps to containerize in Kubernetes environment Multithreading in C#, thread safety Scalability Prior experience with execution management systems (EMS) or order management systems (OMS) is preferred Formal Description: Formal training or certification in software engineering concepts and 5+ years of applied experience. Experience with a

Full-time

Compensation information provided in the description

Mid-level Software Engineer/ C# and C++

Chicago, Illinois

•

Today

A Chicago based proprietary trading firm is expanding its engineering team and seeking a Software Engineer with strong C#, C++, and Linux experience. This is a full time role supporting and evolving internal systems used in a live trading environment. Engineers work closely with the business while maintaining high standards for performance, reliability, and maintainability. This team prioritizes stability, thoughtful engineering, and long term system ownership over rapid churn. The role is ideal

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Full-time

$160000 - $190000

IT Security Specialist III - Venafi

Chicago, Illinois

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7d ago

Position: IT Security Specialist - Venafi Location: Chicago, IL / Denver, CO Location: Charlotte, NCDuration: 12-18 Months Project This is a 100% onsite role , 5 days onsite. Job description:This role is ideal for someone who loves to build writing code from scratch, automating manual processes, and working with modern PKI and DevOps tooling at scale. Skills Must Have: C# Developer PKI / Venafi AutomationPowerShell Developer TLS/Certificate ManagementDevOps Engineer Certificate Lifecycle Autom

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Contract

$70 - $75

Sr. AI Software Engineer (C#/.Net, infrastructure & startup exp. req'd) - 100% REMOTE

Remote

•

Today

100% REMOTE This Jobot Job is hosted by: Katherine Krull Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $170,000 - $270,000 per year A bit about us: Our client is a profitable, fast-growing B2B SaaS company seeking a hands-on Head of Marketing to drive demand generation, SEO, SEM, and content initiatives while building a scalable marketing function. This hybrid role (2-3 days on-site in Carlsbad, CA) reports directly to executive leadershi

Full-time

USD 170,000.00 - 270,000.00 per year

Mobile/Web Developer (.Net)

Chicago, Illinois

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26d ago

Job Description: Position Title: Mobile/Web Developer (.Net) City: Chicago State: IL Country: US Type: 4 (Exempt, Bargaining Unit 1 (EB) # of Openings: 2 Category:Information Technology & Services - Mobile/Web Developer Company Name: Air Line Pilots Association, Int'l. Description: Mobile/Web Developer (.Net) The Air Line Pilots Association, International (ALPA), the largest airline pilot union in the world and the largest non-governmental aviation safety organization in the world (rep

Full-time

$97,948 - $139,923

Sr. AI Software Engineer (C#/.Net, infrastructure & startup exp. req'd) - 100% REMOTE

Remote

•

Today

Full-time

USD 170,000.00 - 270,000.00 per year

Sr. AI Software Engineer (C#/.Net, infrastructure & startup exp. req'd) - 100% REMOTE

Remote

•

Today

Full-time

USD 170,000.00 - 270,000.00 per year

Sr. AI Software Engineer (C#/.Net, infrastructure & startup exp. req'd) - 100% REMOTE

Remote

•

Today

Full-time

USD 170,000.00 - 270,000.00 per year

Sr. AI Software Engineer (C#/.Net, infrastructure & startup exp. req'd) - 100% REMOTE

Remote

•

Today

Full-time

USD 170,000.00 - 270,000.00 per year

Sr. AI Software Engineer (C#/.Net, infrastructure & startup exp. req'd) - 100% REMOTE

Remote

•

Today

Full-time

USD 170,000.00 - 270,000.00 per year

Sr. AI Software Engineer (C#/.Net, infrastructure & startup exp. req'd) - 100% REMOTE

Remote

•

Today

Full-time

USD 170,000.00 - 270,000.00 per year

Duck Creek Developer (C#, Angular)

Remote or Hybrid

•

Today

Our Fortune 100 client is looking for 4 (FOUR) Duck Creek Developers. You will help build and support modern software solutions as part of an Agile team working on multiple product quoting efforts. The work includes Duck Creek application development on the Policy Administration platform, including Manuscript development, coverages, rating, rules, and workflows, as well as non Duck Creek development in C# and Angular. Experience with API integrations and Git version control is also required. Th

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Contract

DOE

Technical Lead (.Net) - Chicago, IL (Onsite) - (F2F interview required)

Chicago, Illinois

•

Today

Need Local Chicago, IL based consultants. In-person interview required at Chicago, IL location. About R Systems: R Systems is a leading digital product engineering company that designs and develops chip-to-cloud software products, platforms, and digital experiences that empower its clients to achieve higher revenues and operational efficiency. Our product mindset and engineering capabilities in Cloud, Data, AI, and CX enable us to serve key players in the high-tech industry, including ISVs, Saa

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Contract, Third Party

Depends on Experience

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

Remote

•

Today

Job ID: 2612080 Location: Remote Work, TX, US Date Posted: 2026-04-30 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 devel

Full-time

USD 80,001.00 - 120,000.00 per year

Fullstack C# Web Developer with IVR

Remote

•

3d ago

Role: Full Stack C# Web Developer with having IVR skills especially with integrating Twilio/Flex or Acqueon. Location: Remote Note :We need excellent comm skills for this role. Average/Good will not work .Only IVR experience will also work. Job description: Were seeking qualified and passionate full-stack software engineers to join our fast-paced, high-performing product team. The team works closely with design and business to iteratively deliver an effortless omnichannel experience to both cus

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Contract, Third Party

Depends on Experience

Senior Software Developer in Test (C#)

Remote or Hybrid in Cleveland, Ohio

•

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 design reliable, scalable automated tests using C#, .NET, and modern browser automation tools such as Playwright, Reqnroll, and Selenium 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: -

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Contract

DOE

Data Engineer

Burnham, Illinois

•

Today

a { text-decoration: none; color: #464feb; } tr th, tr td { border: 1px solid #e6e6e6; } tr th { background-color: #f5f5f5; } Data Engineer Burnham, IL (100% onsite) Contract/Direct Hire We're looking for a Data Engineer who can step into an established environment and quickly take ownership of critical data workflows. This role supports and enhances existing ETL processes, APIs, and SQL workloads in an on prem environment. Strong C# and SQL expertise are essential, along with the ability t

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Contract

Software Developer - C#/Visual Basic (W2 Requirement)

Remote

•

12d ago

Role: Software Developer - C#/Visual Basic (W2 Requirement) Location: Remote Duration: Long term Job Description: Developer with focus on the application logic using C# and Visual Basic in ASP.NET environment. Additional nice to have will be experience with TIRKS database. Back ground with PHP/Python, JavaScript and Azure to perform software design, development, testing and implementation for engineering workflow automation is another plus. This developer will support the develop of new applica

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Contract

Depends on Experience

C# / Azure /AI Software Developer - Long Term Contract - Remote

Remote

•

3d ago

Senior Software Engineer C# / AI / Azure Long-term Contract Remote For our direct client, a prestigious global firm, we are seeking a highly capable Senior Software Engineer who thrives in complex environments and enjoys solving challenging technical problems across the full software lifecycle. this is a long-term (12 mo +) contract position which can be done remotely in the US on East Coast hours. There is potential for contract-to-hire long-term if mutually desired, but no visa sponsorship i

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Contract

Depends on Experience

C# with .NET MAUI Developer

Remote

•

8d ago

Job Title: .NET MAUI/WPF Developer Duration: 12 months + possible extension Work location: Hybrid in Westlake, TX (1 week onsite and 1 week remote) Description: Seeking a skilled .NET MAUI/WPF Developer to join the team in building cross-platform desktop and mobile applications. Responsibilities: Design and develop cross-platform applications using .NET MAUI, WPF, and XAML for desktop and mobile environments. Build and maintain scalable RESTful APIs using C# and .NET Core/.NET 6

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Contract, Third Party

$60 - $65

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c# jobs in Chicago, IL, USA