c# Jobs in Illinois

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Software Engineer II (Python or C#/.Net) Remote

ConsultNet, LLC

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Remote or Birmingham, Alabama, USA

Full-time

Software Engineer II (Python or C#/.Net) Remote (EST or CST) 8 month contract Pay Rate: $50.00 to $52.00 per hr. We're looking for a hands-on Software Engineer II to support a major migration from a legacy system to a modern enterprise data platform. This role is part of an ongoing transformation project that began in early 2025. You'll help accelerate development by contributing to backend services and high-performance data pipelines in a collaborative Agile environment. Key Responsibilitie
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Posted 40 days ago | Updated 1 hour ago

*C# Developer with Strong SQL Development experience (Experience working in Hedge Fund background)*

Kellton

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Remote

Contract

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details: Po
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Posted 60+ days ago | Updated 20 days ago

QA Automation Engineer (C#, Selenium)

People Force Consulting Inc

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Remote

Contract

Role - Automation Tester Duration: This is 3 months Contract to Hire Location Fully Remote Key Skills: C#, Selenium, Advanced Automation Consult with client, understand the QA ecosystem and define automation charter and frameworks.Design, build and maintain automation frameworks.Enable the automation teams to design, develop and maintain automation scripts, automate API testing based on project needs and integrate the automation suite in the CI Pipeline.Should handle client and team with resp
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Posted 32 days ago | Updated 8 hours ago

C# .NET Developer

Sun Technologies,Inc.

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Remote

Contract

Job Title: C# .NET Developer Duration: up to 6 months contract (with the possibility of extension) Location: Remote Work Pay Range: $90.58 per hour on W2 Featured Benefits: Medical Insurance in compliance with the ACA401(k)Sick leave in compliance with applicable state, federal, and local laws Job Description: The successful candidate will be responsible for the development, configuration, management, and maintenance of these applications, ensuring seamless functionality and optimal performanc
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Posted 60+ days ago | Updated 4 days ago

C#/Javascript/SQL Server Fullstack Developer

Case Interactive

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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
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Posted 60+ days ago | Updated 2 days ago

Early in Career Windows Software Engineer (C++, C#)

Rockwell Automation

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Remote or Phoenix, Arizona, USA

Full-time

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
Posted 8 days ago | Updated 1 hour ago

Commodities Application Developer (C#, React, TypeScript) - AVP - Houston (Hybrid)

Citi

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Remote or Houston, Texas, USA

Full-time

The role is for a C# developer who will be working within a small team on Commodities Marking and Market Discovery Platform used by traders across the regions. We offer the opportunity to grow professionally, learn new technologies and gain business knowledge. Responsibilities: Develop the Platform using C# with an opportunity to learn React during WPF to React migrationWork directly with quants and traders to specify requirements and own deliveries and 3rd line support to provide daily communi
Posted 15 days ago | Updated 1 hour ago

Developer - .Net, C# Information Technology

United Airlines

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Chicago, Illinois, USA

Full-time

Description Find your future at United! We're reinventing what our industry looks like, and what an airline can be - from the planes we fly to the people who fly them. When you join us, you're joining a global team of 100,000+ connected by a shared passion with a wide spectrum of experience and skills to lead the way forward. Achieving our ambitions starts with supporting yours. Evolve your career and find your next opportunity. Get the care you need with industry-leading health plans and best-i
Posted 31 days ago | Updated 1 hour ago

Senior Developer - .Net, C# Information Technology

United Airlines

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Chicago, Illinois, USA

Full-time

Description Find your future at United! We're reinventing what our industry looks like, and what an airline can be - from the planes we fly to the people who fly them. When you join us, you're joining a global team of 100,000+ connected by a shared passion with a wide spectrum of experience and skills to lead the way forward. Achieving our ambitions starts with supporting yours. Evolve your career and find your next opportunity. Get the care you need with industry-leading health plans and best-i
Posted 31 days ago | Updated 1 hour ago

Sr. Software Developer - C#/WPF for UI/UX Development

Esri

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Remote

Full-time

Overview This is a great opportunity to join a fast-paced agile team that works with the latest technologies and patterns, asynchronous programming, and MVVM to design and develop next-gen Esri software. We are focused on designing and developing solutions for working with raster and imagery in ArcGIS Pro. Our tools support complex real-life workflows in 2D & 3D for raster / image processing and analysis. If you are excited about user interaction and user interface development, then join our cr
Posted 60+ days ago | Updated 1 hour ago

Applications Development Sr Programmer Analyst - C# .Net- AVP - Houston (Hybrid)

Citi

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Remote or Houston, Texas, USA

Full-time

About the Role: The role is for an AVP analyst / developer within the Commodities Technology Front Office Risk team in Houston.Citi are now one of the largest Commodities players in the banking sector, having grown rapidly over the past five years and we have ambitious plans to further develop our Commodities platform. Our technology challenges are therefore fast-moving and varied. The team develops and supports a strategic platform which calculates, manages and stores intra-day and EOD risk dat
Posted 60+ days ago | Updated 1 hour ago

Senior Software Engineering (RPA - Automation Anywhere 360 & C# .NET)

Mastercard

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Remote or O'Fallon, Missouri, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po
Posted 60+ days ago | Updated 1 hour ago

.Net Lead Developer

Maddisoft

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Remote or Austin, Texas, USA

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

Maddisoft has the following immediate opportunity, let us know if you or someone you know would be interested. Send in your resume ASAP. - U.S. Citizens and those authorized to work in the U.S. are encouraged to apply. Looking for W2 CONTRACT, Send in resume along with LinkedIn profile without which applications will not be considered. Call us NOW! Visa sponsorship is available for this position. Job Title: .Net Lead Developer Location: Houston, Texas Overview: We're looking for a skilled .NE
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Posted 12 hours ago | Updated 1 hour ago

Dot Net Developer

Starheights Corporation

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Remote

Contract, Third Party

Title: .NET Developer Location: Remote $45/hr on C2C MAX Interested candidates can share resumes at Job Summary * Strong in .NET languages (e.g. C#, Visual basic .NET) and HTML5/CSS3, Kafka, MongoDB & Cloud. * Understanding of Agile methodologies * Participate in requirements analysis * Collaborate with internal teams to produce software design and architecture * Write clean, scalable code using .NET programming languages * Test and deploy applications and systems
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Posted 15 hours ago

.Net Backend Architect (Remote)

Neo Prism Solutions, LLC

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Remote

Contract

Job Title: .NET Backend Developer with Azure Remote Job Description: We are looking for a .NET Backend Developer with experience in Microsoft Azure. The candidate should be skilled in C#, .NET Core, and building APIs. Experience with Azure services like App Services
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Posted 21 hours ago

Sr. Developer

Canyon Associates

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Remote

Full-time

Remote position is mandatory C# Oracle preferred, Sql Server is a plus asp.net front end UI experience Blazor experience is preferred Will see Javascript experience Must have web applications, Winforms experience is a plus
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Posted 13 days ago

AWS Cloud Developer

3i People, Inc.

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Glendale Heights, Illinois, USA

Full-time, Third Party

We have a direct-hire position for a AWS Cloud Developer with one of our clients in Glendale Heights, IL. No third party candidates considered for this position. The AWS Cloud Developer will be responsible for designing, developing, and deploying applications on Amazon Web Services (AWS). The incumbent will work closely with cross-functional teams to ensure seamless integration of cloud services into existing systems and contribute to the development of cloud solutions that drive business value.
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Posted 10 days ago | Updated 10 days ago

C++ Software Engineer

Resourcesoft, Inc.

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Danville, Illinois, USA

Contract

Requirement: 8 or more years in software development using C and C++ for application and embedded systems Proficiency in C# for developing complex desktop software solutions Experience with UI development using frameworks like WPF, WinForms, or MFC Experience in building and debugging multi-threaded applications Experience with implementing and maintaining unit testing frameworks Experience in Agile development environments with iterative delivery cycles Excellent communication skills for cross-
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Posted 19 hours ago | Updated 19 hours ago

Senior Duck Creek Policy Developer

Vaco by Highspring

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Remote

Contract

Job Title: Senior Duck Creek Developer Job Type: Contract-to-hire About the Role: We are seeking an experienced Senior Duck Creek Developer to join our team. This role involves designing, developing, and maintaining Duck Creek Policy solutions while collaborating with cross-functional teams to deliver high-quality software products. Qualifications: 8+ years of software development experience 5+ years of Duck Creek Policy development experience Deep expertise in Duck Creek Author, Product Stu
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Posted 28 days ago | Updated 13 days ago

.Net Fullstack Architect (Remote)

Neo Prism Solutions, LLC

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Remote

Contract

Job Title : Full stack .Net Architect Location : Remote SKILLS/EXPERIENCE REQUIREMENTS 12 - 15 years application development experience with the Microsoft .NET platformStrong .NET Core (C#) experience with Web Services/API's, HTML/CSS (Bootstrap)Demonstrated proficiency with SQL, stored procedures, and database designThorough understanding of object-oriented development (OOD), Domain driven design, including an in-depth knowledge of implementing RESTful, micro services design patterns and archit
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Posted 21 hours ago