c# developer Jobs in chicago, il

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Backend C# .NET Software Engineer - Middleware Platform Enhancements

Request Technology, LLC

•

Oak Brook, Illinois, USA

Full-time

NO SPONSORSHIP SENIOR SOFTWARE ENGINEER MIDDLEWARE - C# SALARY: $80k- $155k plus 5% bonus LOCATION: Oak Brook, IL hybrid 3 days onsite You will be designing developing product ecosystem cutting edge IoT solutions. Cloud services, mobile applications, software development, cloud computing and IoT protocols. We are looking for a Senior Software Engineer to join our dynamic and innovative team. In this role, you will play a key part in designing, developing, and optimizing our connected product ec
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Posted 28 days ago | Updated 27 days ago

Engineer - Middleware - C# Backend

Request Technology, LLC

•

Oak Brook, Illinois, USA

Full-time

NO SPONSORSHIP SENIOR SOFTWARE ENGINEER MIDDLEWARE - C# On Site 3 days a week in Oak Brook, IL Salary: 80-155K + Bonus 60% design and 40% coding of new enhancements to the platform This is all done in .NET C# technology All backend work, no frontend work They want either Rabbit MQ, Kubernetes, or some sort of messaging platform, No SQL Mongo DB is key Cloud can be any cloud Distributed architecture Backend platform enhancements and development Device connectivity writing APIs Middleware compone
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Posted 33 days ago | Updated 27 days ago

Sr. .Net Developer (Need IL Local with 15+ Years Experience)

Enfycon Inc

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Chicago, Illinois, USA

Third Party, Contract

Role: Sr. .Net Developer Location: Chicago, IL (Hybrid) Need Local Only Client: JPMC Job Description: Minimum 15+ years of experience, We will prioritize more Sr candidates Must have financial services / banking experience 2-3 rounds of interview Senior ASP.NET C# Developer with experience in Financial Services / Banking / Capital Markets candidate needs. Requirements: 15+ years of experience with Software Development using Microsoft technologies MUST HAVE experience in Financial Services / Ban
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Posted 5 days ago

Application Maintenance Developer

Virtutem

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Remote

Full-time

SummaryWe are seeking a hands-on, technically strong C# developer to support and expand an existing full-stack enterprise application for a high-profile client. The application is already built and in active use. This role focuses on maintaining the platform while working closely with the client to enhance and grow its capabilities over time LogisticsFull-time availability required during standard California business hours. 100% remote; must be comfortable and effective working via screen share
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Posted 20 days ago | Updated 20 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 1 day ago

QA Automation Engineer / Hybrid in Chicago, IL / Selenium / C#

Motion Recruitment Partners, LLC

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Chicago, Illinois, USA

Full-time

Based in downtown Chicago, this is a boutique team of software engineers, quantitative analysts, and IT specialists focused on deploying a proprietary algorithmic trading system. They are looking for a Software Engineer In Test. This system is offered through their FINRA-registered broker-dealer, which caters to a select group of institutional clients, including hedge funds, primary dealers, and proprietary trading firms. Established in 2013, the company is made up of a tight-knit team of roughl
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Posted 50 days ago | Updated 7 hours ago

Senior Software Engineer I (C# .NET)

Walgreens

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Deerfield, Illinois, USA

Full-time

Job Description Job Summary Performs and implements assignments that implements activities that generally impact important components / processes of the specified functional area of the Technology operation. Work is received in short- and mid-term assignments that are important / complicated undertakings and regularly require the application of independent judgment. Operates within the context of approved methods Job ResponsibilitiesPerforms and implements the daily operational activities of th
Posted 51 days ago | Updated 10 hours ago

.Net, C#, C++ Lead Engineer

Photon

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Remote

Contract

Greetings everyone, I hope you are staying safe. We are hiring a .Net, C#, C++ Lead Engineer to join our Digital Engineering team. Who are we? For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a few people to more than 4000 team members across the globe that are engaged in various Digital Modernization. For a brief 1 minute video about us, you can check ;/u> Job Title: .Net, C#, C++ Lead Engineer Location: Remote Job Description:
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Posted 8 days ago | Updated 1 day ago

Software Engineer (C#/Power Apps)

Irvine Technology Corporation (ITC)

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Remote or New York, New York, USA

Contract, Third Party

Software Engineer (C#/Power Apps) We have an immediate need for a Software Engineer (C#/Power Apps) to join our client for a 6-month contract position that will be 100% remote. This position will lead development for a Performance Transformation (PT) Hub, a data analytics application. Location: Remote This job expects to pay about $70-100/hr plus benefits What You Will Do: Lead the development of a Performance Transformation (PT) Hub which utilizes the following technologies: SharePoint Online,
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Posted 12 days ago | Updated 1 hour ago

Lead Backend Engineer (C#/.Net) on W2 () Remote

Intellisoft Technologies

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Remote

Contract

Hi , Hope you are doing well, This is Ritesh Kumar Sarva from Intellisoft Technologies and I hope this mail finds you in high spirits. Besides, I just want to share the job opening as Lead Backend Engineer it s for Remote Location for Contract, which came in recently. Please! Check the same and let me know your interest or else you can reach me at or call me at Ext. 148 Position: Lead Backend Engineer Location: Remote Job Type: Contract Job Description: About the Role: We are seeking a han
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Posted 13 days ago

Lead Azure AI - C# .Net

Encora

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Remote

Contract

Development languages: C# and python Good familiarity with Microsoft PaaS stack - Azure Generative AI resources such as Azure AI Search, Azure OpenAI (Cognitive Services), Azure CosmosDB, Fabric, Databricks (with Azure Datalake storage/Unity Catalog) API Integration experience Prompt Engineering experience Experience using Azure DevOps for work tracking and CI/CD pipelines Test Driven Development or equivalent code testing experience
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Posted 34 days ago | Updated 16 days ago

Senior Backend Software Engineer - C#.NET C++

CVS Health

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Remote or Scottsdale, Arizona, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 2 days ago | Updated 10 hours 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 39 days ago | Updated 10 hours ago

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 Responsibilities D
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Posted 6 days ago | Updated 10 hours ago

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

ConsultNet, LLC

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Remote or Birmingham, Alabama, USA

Full-time

Software Engineer (Python or C#/.Net) Remote Remote (EST or CST) 8 month contract Pay Rate: $59.00 to $61.00 per hr. We're looking for a hands-on Software Engineer 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 Responsibili
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Posted 6 days ago | Updated 10 hours ago

Sr. C#/.NET Integration Engineer (Apache NiFi/FHIR API's)

ConsultNet, LLC

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Remote or Dallas, Texas, USA

Full-time

Sr. C#/.NET Integration Engineer (Apache NiFi/FHIR API's) Remote (MST, Central or Eastern Time Zone) 6-12-month Contract or Contract to Hire Pay Rate: 75-80/hr A rapidly growing technology-driven organization focused on streamlining how sensitive records are managed, processed, and shared. They specialize in transforming manual, compliance-heavy workflows into secure, efficient digital solutions-helping clients improve access, accuracy, and overall operational performance across regulated env
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Posted 12 days ago | Updated 10 hours 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 10 hours ago

C#/Blazor Consultant

Request Technology, LLC

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Chicago, Illinois, USA

Contract, Third Party

Onsite in Chicago, IL. 5 days a week A prestigious company needs a C#/Blazor Consultant. This person will need heavy C# full stack experience, along with 1-2 years of Blazor experience. Qualifications: Proficiency in C# (Proficiency in C++ is acceptable)Experience using gitExperience doing test-first development with continuous integrationExperience doing both front-end and back-end web development with REST APIsProficiency in at least at least one modern SPA framework like React, Angular, etc.P
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Posted 60+ days ago | Updated 7 days ago

C# .Blazor NET Developer

Request Technology, LLC

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Chicago, Illinois, USA

Contract

5 days onsite each week No Sponsorship is available for this 12+ month Onsite contract role, no 3rd party candidates will be considered Must have a Bachelors Degree with strong academic background, Mater's degree preferred Dynamic Global Financial Software Firm, located in the Chicago Loop, is currently seeking a C# .NET Developer with Blazor experience. Candidate will join a group a top-caliber developers responsible for doing test-driven development of software components using C# in multiple
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Posted 60+ days ago | Updated 27 days ago