JSON jobs in Downers Grove, IL

.NET Lead Developer - Lisle, IL (In person interview)

Hybrid in Lisle, Illinois

•

9d ago

Required Qualifications12+ years of professional software development experience, preferably with significant hands-on experience in the Microsoft technology stack.Strong experience with C#, .NET Framework, ASP.NET, ASP.NET Core, MVC, Web API, ADO.NET, Entity Framework, WCF, and related technologies.Experience developing and supporting N-tier, client/server, web-based, and service-oriented applications.Strong database development skills with SQL Server, including query optimization, stored proce

Easy Apply

Third Party, Contract

Depends on Experience

Senior Software Engineer / .NET / Hybrid in Chicagoland

Bolingbrook, Illinois

•

Today

Software company looking to bring on a Senior Software Engineer. You'll be key to driving modernization and growth by developing technical solutions that enhance business operations. You will play an impactful part in modernizing legacy systems, transitioning from VB.NET to C#, and evolving web platforms from ASP.NET to Blazor. You'll also contribute to the ongoing development and improvement of the company's ERP system. This is a full-time position. They are located in the southwest suburbs of

Easy Apply

Full-time

$120000 - $137000

Junior DevOps Engineer/System Administrator

Woodridge, Illinois

•

Today

Junior DevOps Engineer An innovative trading technology organization is seeking a Junior DevOps Engineer to help strengthen and scale the infrastructure behind its real-time trading platforms. This opportunity is ideal for an early-career engineer who enjoys working at the intersection of systems, automation, and operations while gaining hands-on experience in a highly technical environment. As part of a collaborative engineering team, you'll contribute to the stability, performance, and continu

Easy Apply

Full-time

$85000 - $120000

Senior Software Engineer / Contract / Hybrid in Chicago Suburbs

Chicago, Illinois

•

Today

Software company looking to bring on a Senior Software Engineer. You'll be key to driving modernization and growth by developing technical solutions that enhance business operations. You will play an impactful part in modernizing legacy systems, transitioning from VB.NET to C#, and evolving web platforms from ASP.NET to Blazor. You'll also contribute to the ongoing development and improvement of the company's ERP system. This is a 6-month contract position with potential for extension or convers

Easy Apply

Contract

$60 - $70

Lead Forward Deployed Engineer / Applied AI / Hybrid in Chicago

Chicago, Illinois

•

Today

A fast-growing healthcare technology company is seeking a full-time Lead Software Engineer to join its team in Chicago, IL (hybrid schedule). This organization is leveraging artificial intelligence and voice automation technology to modernize patient communications and improve healthcare outcomes. The role offers the opportunity to develop AI-driven solutions, integrations, and data workflows that directly impact thousands of patient interactions. This opportunity is ideal for an engineer who en

Easy Apply

Full-time

$200000 - $220000

QA Test Automation Engineer / Hybrid in Chicago Suburbs

Elmhurst, Illinois

•

Today

A growing healthcare technology organization is seeking a full-time QA Test Automation Engineer to join its engineering team. This position offers the opportunity to work remotely while helping build and scale automated testing solutions across web applications, mobile platforms, APIs, and cloud-based systems. The environment leverages technologies including Flutter, .NET/C#, BrowserStack, REST APIs, Azure DevOps, GitHub Actions, and modern CI/CD practices. This is an opportunity to become the o

Easy Apply

Full-time

$100000 - $120000

Software Engineer (Hybrid) Bolingbrook, IL

Bolingbrook, Illinois

•

Today

JOIN US AND "CREATE YOUR VISION" ABOUT US S&S Activewear is a leading North American, tech enabled specialty distributor of imprintable apparel, including t shirts, fleece, athletic wear, headwear, workwear, scrubs and accessories. We pride ourselves on being the "critical link" that enables our 100+ brand partners such as Adidas, Columbia and Gildan to reach our hyper fragmented base of customers, comprised of apparel decorators, eRetailers and promotional products distributors that embellish a

Full-time

USD 105,000.00 - 108,000.00 per year

Lead .Net Developer

Lisle, Illinois

•

Today

Position Overview We are looking for a skilled Lead .Net Developer to contribute to our Commercial Sales Experience (CSE) product initiative. The ideal candidate is proficient in the full software development lifecycle using an Agile framework, enhancing existing web applications, ensuring long-term application performance and can work effectively in a collaborative and fast-paced environment. Responsibilities Developing Web APIs in .NET CoreWriting extensive unit tests and Web API testingRe

Full-time

USD 112,000.00 - 168,000.00 per year

Site Reliability Engineer

Hybrid in Riverwoods, Illinois

•

3d ago

Are you interested in working with the Worlds leading AI-first Quality Engineering Company? Ready to advance your career, team up with global thought leaders across industries and make a difference every day? Join us at QualityAI! We are looking for a Site Reliability Engineer to join our growing team in Riverwoods, IL United States! Responsibilities: Partner with Application Development teams to build resiliency for Payment application.Partner with our Application Develop teams to implement s

Easy Apply

Full-time, Third Party

110,000 - 130,000

Trade Support Engineer / Chicago Illinois

Chicago, Illinois

•

Today

A proprietary trading and market-making firm is hiring a full-time Trade Support Engineer for an hybrid role in Chicago, IL. This position sits at the intersection of trading, technology, and operations, supporting a high-performance electronic trading environment where reliability, speed, and accuracy are critical. The Trade Support Engineer serves as a front-line resource for monitoring production systems, troubleshooting trading issues, supporting traders, and ensuring seamless day-to-day mar

Easy Apply

Full-time

USD 87,500.00 - 145,000.00 per year

Sr. Software Engineer I, Evaluation Services

Remote or Chicago, Illinois

•

Today

Disclaimer: Please be advised that the most accurate and up-to-date information about our open roles-including job descriptions, compensation, and benefits-can only be guaranteed on our official job board. For the latest listings and details, please visit: ;br> JOIN US ON OUR MISSION TO BECOME THE #1 RETAIL TRADING PLATFORM IN THE WORLD Welcome to the dynamic world of NinjaTrader! As an industry-leading trading platform and futures broker, we're empowering traders to take control of their finan

Full-time

USD 125,000.00 - 175,000.00 per year

Sr. Software Engineer I, Evaluation Services

Chicago, Illinois

•

10d ago

Full-time

USD 125,000.00 - 175,000.00 per year

Sr Software Engineer (Hybrid) Bolingbrook, IL

Bolingbrook, Illinois

•

Today

Full-time

USD 117,000.00 - 133,000.00 per year

Integration Developer

Chicago, Illinois

•

18d ago

Integration DeveloperPosition SummaryWe are seeking an experiencedIntegration Developerto join our growing technology consulting team. The ideal candidate will be responsible for designing, developing, implementing, and supporting integrations between enterprise IT Service Management (ITSM) platforms and third-party applications, databases, cloud services, and on-premises systems. This role requires strong software development skills, extensive systems integration experience, excellent communica

Easy Apply

Full-time, Third Party

Sr Manager, Software Engineering

Chicago, Illinois

•

Today

We're building a relationship-oriented bank for the modern world. We need talented, passionate professionals who are dedicated to doing what's right for our clients. At CIBC, we embrace your strengths and your ambitions, so you are empowered at work. Our team members have what they need to make a meaningful impact and are truly valued for who they are and what they contribute. To learn more about CIBC, please visit CIBC.com What you'll be doing As a member of CIBC Bank US team, the Sr. Manag

Full-time

USD 150,000.00 - 165,000.00 per year

Senior Software Engineer

Lincolnshire, Illinois

•

Today

Job Summary The Senior Software Engineer designs, develops, and maintains software for customer-facing Android applications, multi-platform solutions, and background services. This role integrates software and hardware systems, establishes requirements for complex projects, and collaborates with cross-functional teams and external customers while working independently to solve unique problems. Key Responsibilities Develop applications using Android (Kotlin/Java), React Native, and web technologi

Easy Apply

Contract

DOE

ETL Developer

Chicago, Illinois

•

Today

Job Title: Senior Enterprise Data Integration Engineer Role Overview We are seeking a Senior Enterprise Data Integration Engineer to architect, build, and support high-performance data integrations across our enterprise ecosystem. You will be the primary technical lead for connecting our core business applications with third-party platforms, ensuring that data flows are real-time, secure, and scalable. This is a senior-level position for an engineer who thrives in complex environments. You will

Full-time

USD 178,900.00 - 208,000.00 per year

Sr Manager, Software Engineering

Chicago, Illinois

•

Yesterday

Full-time

USD 150,000.00 - 165,000.00 per year

Sr. Software Engineer II, Backend (Rust)

Remote or Chicago, Illinois

•

Today

Full-time

USD 140,000.00 - 190,000.00 per year

Sr. Software Engineer II, Backend (Rust)

Chicago, Illinois

•

Yesterday

Full-time

USD 140,000.00 - 190,000.00 per year

JSON jobs in Downers Grove, IL, USA