Dotnet jobs in Illinois

Senior Software Engineer - Mission Systems Integration

Remote

•

Today

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse transforms the way government uses d

Sponsored

Full-time

ERP/.Net Developer

Remote

•

Today

3Core Systems, Inc is an SAP and Success Factors Partner with employees located across the United States. Our organization is dedicated to customer and employee satisfaction. We provide High Quality, Cost efficient and Competitive Solutions and Resources. 3Core Systems is looking for ERP/.Net Developer for one of our clients in Remote (EST Time Zone) Senior ERP/.Net Developer Location: Remote (EST Time Zone) Duration: 6+ Months, Contract-to-Hire SUMMARY The Senior Solutions Engineer designs, de

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Contract, Third Party

Depends on Experience

Full Stack .NET/SQL Developer

Remote

•

Yesterday

Job ID: IA-807771 Remote/Local Govt Full Stack .NET/SQL Developer (Accessibility/15+) with C#, ASP.NET, RESTful/SOAP, Azure DevOps, pipelines, WCAG, UX design, SASS, SSRS, AWS, USWDS design, GitHub/Angular, Modernize legacy, CI/CD experience Location: Des Moines, IA (3280 IT Infrastructure Services Consulting) Duration: 9 Months Skills: Bachelor s degree in Computer Science, Information Technology, or related field. Required Experience with C#, .NET, and ASP.NET. Required 5 Years Expert-level pr

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Contract, Third Party

Depends on Experience

Direct Client State of IA in Des Moines, IA (Remote) Need Full Stack .NET Developer for Long Term Project (807771)

Remote

•

Today

Hello, Hope you are doing great, If you are actively or passively searching for new opportunities, I would like to make you aware Full Stack .NET Developer within the State of IA located in Remote. I will be happy to discuss what you may be looking for in your next role and what this position will offer your career.Our client is targeting a start date on this role as soon as next week and they are currently scheduling interviews. A description of the position is included below, and I will be ha

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Contract, Third Party

$50 - $60

IA-DOM-DOIT-SDP6 Senior .NET/SQL Full-Stack Developer (807771)

Remote

•

Yesterday

IA-DOM-DOIT-SDP6 Senior .NET/SQL Full-Stack Developer (807771) 200 E Grand Avenue | Des Moines, IA 50309 12+ Months Either Web Cam or In Person Interview Remote Senior Full Stack .NET Developer (SDP6) Client: Iowa Department of Health and Human Services (HHS) Position Overview The Iowa Department of Health and Human Services (HHS) is seeking a Senior Full Stack .NET Developer to support, maintain, and enhance mission-critical applications used across child welfare, healthcare, income maintenanc

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Third Party, Contract

Depends on Experience

C#.NET Developer with Trading And Capital Market Exp

Remote

•

Today

JOB DESCRIPTION: Please apply only if you have Investment banking/Capital market experience. Role: C#.NET Developer with investment banking and Capital Market exp.Location: NY(Remote)Job Type: W2 / Fulltime Client is looking for a reliable full stack Dot Net developer ASAP.Wealth Management & Capital Market (Trading, Equities, , Portfolio) Exp. Must.SQL, C#, .NET, Full stack developer with 8+ years of experienceProficiency in C#, .NET framework, and object-oriented programming principles.Experie

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Full-time

Depends on Experience

.Net Software Engineer / B2B / SaaS

Chicago, Illinois

•

Today

A rapidly growing Chicago SaaS company is seeking a .NET Engineer to join its team in downtown Chicago near Union Station. This venture-backed software company develops technology that helps businesses streamline operations and scale more effectively. The team builds modern cloud-based applications using .NET, C#, REST APIs, SQL databases, and contemporary frontend frameworks. This opportunity is ideal for an engineer looking to have tangible influence on a growing product and growing company. R

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Full-time

$110000 - $130000

.NET Lead Developer / Chicago, IL / W2 Only

Chicago, Illinois

•

14d ago

Role: Software Engineer Advanced (.NET Developer) 602 level Location: Chicago, IL 5 days onsite Job Reference: 308255-1 Employment Type: Contract-to-HireRequired Visa: & GC Roles & Responsibilities: Engineer will work closely on agile feature teams projects related to .NET, MS SQL Server, C#, and Java to analyze and develop solutions for modernization of SQL Jobs, stored procedures, and application code to more modern design and tool sets, including cloud-based architectures.Collaborate on migra

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Full-time

$120,000 - $140,000

.Net Architect

Hybrid in Peoria, Illinois

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13d ago

Role: Senior .Net Architect Location: Peoria, IL Primary skills: Enterprise Solution Architecture, Cloud-Native & Microservices Architecture (.NET / Azure), Modernization & Integration Architecture, Stakeholder & Client Engagement (Executive-Level Communication), P&C Insurance Domain - must Mode of work: Hybrid(3 days onsite) Experience: 15+ Yrs. Job Description: Must have skills 15+ years of experience in software engineering and architecture Strong experience in P&C Insurance domain (Policy, B

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Contract

Depends on Experience

Senior / Lead .NET Software Engineer

Lisle, Illinois

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5d ago

Our client is seeking a highly experienced and motivated Senior / Lead .NET Software Engineer to join their development team. The ideal candidate will have strong full-stack development experience with ReactJS and .NET technologies, along with expertise in modernizing legacy applications and supporting Agile development environments. Responsibilities & Qualifications .NET Development Minimum 6+ years of development experience with ASP.NET / .NET Core using C# (and/or VB.NET) in Visual Studio IDE

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Contract

$43 - $47

Senior .Net Payments Engineer

Riverwoods, Illinois

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Senior .Net Payments Engineer in Riverwoods, IL. Overview: Join a team building a modern, scalable payments platform that powers secure transactions across retail, digital, mobile, and customer service channels. We're looking for a hands-on engineer who enjoys solving complex integration challenges, building reliable systems, and delivering high-impact payment solutions at scale. REQUIREMENTS: * 8+ years of software engineering experience

Contract

$70 - $85 hourly

Fullstack Developer - .NET and React

Lisle, Illinois

•

Today

Description We are looking for a Fullstack Developer - .NET and React to support modern web application development in Lisle, Illinois. This Long-term Contract position is suited for a developer who brings strong experience across backend and frontend technologies, enjoys building scalable solutions, and can contribute effectively within an Agile team. The role focuses on enhancing existing applications, developing new API-driven functionality, and helping improve code quality, performance, and

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Contract

USD 53.20 - 61.60 per hour

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

Remote

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Today

Job ID: 2616718 Location: Remote Work, TX, US Date Posted: 2026-09-10 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 develo

Full-time

USD 80,001.00 - 120,000.00 per year

IT Application Development (Senior Specialist)

Remote or Olympia, Washington

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Today

Salary: $99,300.00 - $133,608.00 Annually Location : Thurston County - Olympia, WA Job Type: Full Time - Permanent Remote Employment: Flexible/Hybrid Job Number: 2026-06817 Department: Dept of Children, Youth, and Families Division: Information Technology Opening Date: 09/09/2026 Closing Date: 9/23/2026 11:59 PM Pacific Description Our vision is to ensure that "Washington state's children and youth grow up safe and healthy-thriving physically, emotionally and educationally, nurtured by family an

Full-time

USD 99,300.00 - 133,608.00 per year

ICA Engineer (.Net Fullstack Developer w. PKI)

Chicago, Illinois

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Today

A client of Innova Solutions is immediately hiring for an ICA Security Engineer. Position type: Contract Duration: 12 to 18 months Location: 5 days onsite in Denver, Chicago, Washington DC - this role is onsite 5 days a week. As an ICA Security Engineer, you will: Top Skills: 5+ years of experience on Active Directory Certificate Services and enterprise Active Directory with managing CA infra 2+ years of experience on PowerShell Deep knowledge of X.509, CRL/OCSP, EKU/KU, SANs, key algorithm

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Contract

Depends on Experience

Dotnet Developer with F#

Chicago, Illinois

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Yesterday

Job DescriptionDot Net DeveloperMust Have Technical/Functional SkillsWe invite you to join the GIS team as a .Net developer. We are a tight-knit, supportive community passionate about delivering the best experience for our customers while remaining sensitive to their unique needs.In this role, you will be using the experience you have gained throughout your career to assist in the design, development, and implementation of various complex applications. We also like for our developers to feel com

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Full-time

95,000 - 120,000

Full Stack Developer - .Net/Angular/React

Villa Park, Illinois

•

Today

job summary: The Software Engineer should be experienced in leading software projects and will be responsible for coordination of all activities of the software development team. Interested candidates should be proficient in working on all phases of the project including detailed design, coding, and testing. Experienced in developing enterprise level application and custom integration solutions including major enhancements for interfaces, functions, and features. Provides expertise regardin

Full-time

USD100,000 - USD125,000

Full-Stack .NET Developer

Remote

•

Yesterday

We are seeking a Senior Full-Stack .NET Developer to maintain, troubleshoot, and modernize mission-critical systems across healthcare, child welfare, and state programs. This hands-on role covers the complete stackfrom database tuning and SSRS reporting to backend APIs and UI updates. Work Arrangement: Remote Location: Des Moines, IA Interview Process: Web Cam or In-Person Interview Key Technical Skills Needed Core Backend: C# | .NET Framework | ASP.NET Core | REST & SOAP APIs Database & Reporti

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Contract, Third Party

Depends on Experience

.Net Developer ( W2 ONLY)

Remote

•

Yesterday

Role: .Net Developer (W2 Only) Location: Remote Duration: 12 Months+ Job Description: We are looking for a .NET Developer with 26 years of experience in software development. Candidates should have strong experience with C#, .NET/.NET Core, ASP.NET, Web API, SQL Server, and REST APIs The candidate should be comfortable working in an Agile environment and collaborating with cross-functional teams

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Contract

28 - 32

.Net Developer

Remote

•

Today

Senior Software Developer Overview CashFlowCentral is seeking a Senior Software Developer to help build and enhance solutions that support small businesses. This role is part of an agile scrum team and is focused on delivering high-quality software against business and technical requirements. The ideal candidate is a strong senior-level engineer who can work independently, take loosely definedproblemsand turn them into executable work, and accelerate delivery through solid engineering practices

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Full-time

120,000 - 125000

.NET Fullstack developer

Remote

•

Yesterday

Please send your resumes to below email Recruiter Primary Skill Set: C# | .NET | ASP.NET Core | SQL Server | SSRS | REST/SOAP APIs | Middleware Integrations | Azure DevOps | Accessibility Position Focus: Full Stack Development, SQL Server, SSRS Reporting, Middleware Integrations, Application Support, and Legacy System Modernization C# Coding .NET Framework ASP.NET / ASP.NET Core Full-stack .NET development SQL Server development and optimization SSRS reporting Backend service and API developme

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Contract

50 - 55

Dotnet jobs in Illinois, USA