JSON jobs in Chicago, IL

Addison, Illinois

•

Today

Job Title: Dell Boomi Developer Location: Addison, IL (Hybrid) Duration: 3-6 Months (Contract) Technical / Functional Skills: Design, develop, and deploy integration processes using Dell Boomi (AtomSphere). Strong understanding of integration patterns and technologies including REST, SOAP, XML, JSON, and EDI IDOC. Expertise in EDI standards: EDIFACT and X12. Hands-on experience with Boomi components - connectors, maps, process routing, and document flow. On-premise integration expertise: SAP

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

API Integration Lead

Naperville, Illinois

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20d ago

8+ years of experience in softwaredevelopment and integration. Strong hands-on experience with RESTfulAPIs, Swagger/OpenAPI, and JSON/XML. Proficiency in Java, Spring Boot, orsimilar backend technologies. Experience with API gateways (e.g., Apigee,AWS API Gateway, Kong). Solid understanding of systems integrationpatterns (e.g., point-to-point, hub-and-spoke, ESB). Familiarity with OAuth2, JWT, and secureAPI design. Experience with Banker/Teller applications orsimilar financial systems. Excellent

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Third Party, Contract

Depends on Experience

Sr. Java Front End Developer with React.JS Exp. @ Chicago, IL.

Chicago, Illinois

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6d ago

About US: LTIMindtree is a global technology consulting and digital solutions company that enables enterprises across industries to reimagine business models, accelerate innovation, and maximize growth by harnessing digital technologies. As a digital transformation partner to more than 700+ clients, LTIMindtree brings extensive domain and technology expertise to help drive superior competitive differentiation, customer experiences, and business outcomes in a converging world. Powered by nearly 9

Full-time

$98,015 - $146,600

Senior Software Engineer / Contract to Hire / Hybrid in Naperville / C# / Blazor

Chicago, Illinois

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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-to-hire position. They are located in the south

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Full-time

65/hr - 75/hr

iOS Developer - Information Systems Specialist I

Chicago, Illinois

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Today

Office of the Illinois Secretary of State Alexi Giannoulias Job Title: iOS Developer - Information Systems Specialist I Division: Systems & Programming Union: IFT Location: 115 S LaSalle St, Chicago, IL - Cook County Salary: Range $5,761 to $10,719 monthly - commensurate with experience Benefits: Overview: We are seeking a skilled and passionate iOS Developer to design, build and maintain high-performance mobile applications for iOS devices. The ideal candidate will possess strong knowledge

Full-time

USD 5,761.00 - 10,719.00 per month

Backend Senior Software Engineer (Technical Lead) Hybrid Chicago

Chicago, Illinois

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Today

We're looking for a Senior Software Engineer to join a world-class engineering team based in Chicago. You'll play a key role in building, modernizing, and maintaining applications that power both customer-facing and internal systems across multiple locations. This is a hybrid position with two onsite days (Mon/Tue) and a chance to make a real impact on a company that values wellness, technology, and collaboration.. This team has recently completed a large-scale digital transformation and is cont

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Full-time

USD 110,000.00 - 145,000.00 per year

Senior .NET Engineer / Full Stack / Hybrid / Bolingbrook, IL

Bolingbrook, Illinois

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Today

This activewear company is a leading wholesaler and distributor of imprintable apparel, accessories, and uniform products, serving the promotional products, e-commerce, and retail industries. They combine deep inventory, advanced logistics, and technology-driven solutions to provide our customers with speed, accuracy, and high-quality service. They are seeking a highly skilled Senior .NET Engineer to join their technology team. The ideal candidate will have deep expertise in building scalable ap

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Full-time

USD 65.00 - 75.00 per hour

Senior Software Engineer / .NET / Hybrid in Naperville

Naperville, Illinois

•

Today

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Full-time

65/hr - 75/hr

Lead Software Engineer - Java, SpringBoot, AWS,

Chicago, Illinois

•

Today

Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Consumer & Community Bank - Controls group, you play a crucial role in an agile team dedicated to enhancing, building, and delivering trusted, market-leading technology products in a secure, stable, and scalable manner. As a key technical contributor, you will be responsible for implementing critical tec

Full-time

USD 133,000.00 - 185,000.00 per year

Senior Software Developer- Full-stack

Chicago, Illinois

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10d ago

The selected candidate will join the CME Technology Referential Data Services team in Chicago as a Senior Software Engineer, supporting the Access & Onboarding Product for Customer Portfolio. The Senior Software Engineer, engineers secure, scalable and reliable technology solutions, with appropriate mentoring, to advance CMEG in the global marketplace and serve risk management needs of customers around the world. The role plays a significant role in the engineering team, collaborating with Stake

Full-time

USD 111,100.00 - 185,100.00 per year

Batch Developer

Remote

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Today

Batch Developer Remote Bachelor's degree in computer science, engineering, management information systems or equivalent work experience 5 years of experience making changes to moderately complex batch business applications using C 5 years of experience in SQL, preferably embedded in C and using an Oracle Database 5 years of experience using Linux Experience with shell scripting Experience using CURL and RESTful interfacing Experience with JSON Working knowledge of a software development

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Contract, Third Party

Salsify Technical Architect

Remote

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3d ago

Hi, Role: Salsify Technical Architect Location : Remote USA 5+ years of deep, hands-on experience with Salsify as a core PIM platform, with demonstrable expertise configuring and extending Salsify at scale.Mastery of Salsify APIs, including RESTful services, JSON/XML payloads, scripting (Python, JavaScript), and workflow automation within the platform.Proven track record integrating Salsify with Bynder, Shopify, translation management systems, and other enterprise platforms.Strong expertise in

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Contract, Third Party

Depends on Experience

Martech Technical Architect

Chicago, Illinois

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Today

Martech Technical Architect (Specialist Master) Our Deloitte Customer team empowers organizations to build deeper relationships with customers through innovative strategies, advanced analytics, Generative AI, transformative technologies, and creative design. We can enhance customer experiences and drive sustained growth and customer value creation and capture, through customer and commercial strategies, digital products and innovation, marketing, commerce, sales, and service. We are a team of s

Full-time

Mulesoft Integration Engineer

Remote

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Today

8-10 years in integration development with strong API experience.Hands-on with MuleSoft Anypoint Platform, API Manager, and CloudHub.Skilled in REST APIs, JSON/XML, and middleware tools.Experience with Java, C#, Python, or JavaScript.Familiarity with event-driven architecture (Kafka, RabbitMQ).Knowledge of API security (OAuth, JWT).Experience with cloud platforms (AWS, Azure, Google Cloud Platform).Version control (Git, Bitbucket) and database integration skills.Bachelor s degree in computer sci

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Contract

Depends on Experience

Mulesoft Integration Engineer

Remote

•

Today

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Contract

Depends on Experience

Quill AI Data Engineer Intern - June 2026

Lincolnshire, Illinois

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Today

Job Description Staples is business to business. You're what binds us together. Quill is a valuable part of the Staples family of brands. Since 1956, Quill has held its position as a leader in office supplies. Acquired by Staples in 1998, Quill delivers the essential services, solutions, and award-winning customer support to help our customers - and our people - thrive. When you partner with Quill, as a customer or as an associate, every workday is more rewarding. This position is a minimum of

Full-time

USD 26.00 - 29.00 per hour

Talend TDM Developer

Remote

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13d ago

Position: Talend TDM Developer Location: 100% Remote Duration: 6 Months + Description: - Strong 7-8 yrs hands-on of experience in Talend Data Integration and Data Mapper modules. - Familiarity with processing healthcare file formats like X12, JSON, XML, flat files, and Excel. - Working knowledge of both MongoDB and relational databases. - Basic to intermediate coding skills in Java or Python for custom transformations. - Healthcare exp

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Third Party, Contract

Depends on Experience

.Net Developer with Healthcare experience.

Remote

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24d ago

Role : .Net Developer with Healthcare Experience Location : Tampa, FL or Remote Experience : 12+ Years Duration : 30 Months Client : State of FL HIPAA ,HL7 and /or FHIR experience must in health care project. Requested Qualifications; 84 months experience using Microsoft Visual Studio to develop/maintain applications in C#, ASP.NET, Web API for n-tier web deployment. 84 months experience developing and maintaining web applications that utilize HTML, XML, JSON, AJAX, JavaScript, jQuery, Bootstr

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Full-time

Depends on Experience

Senior Software Developer- Full-stack

Chicago, Illinois

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Today

Full-time

USD 111,100.00 - 185,100.00 per year

.NET Web Developer

Remote

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25d ago

Job DescriptionJob Title: .NET Web Developer Job Location: Remote US Eligibility/Clearance: This opportunity supports a government contract Job Description: We are seeking an innovative web developer to work with our software development team to help us build and achieve amazing things. An ideal candidate for this position must be a hands-on engineer with a strong knowledge of the server side web technologies (C#, ASP.NET, Oracle/SQL), who is also able to develop the client side (such as HTM

Full-time

$50 - $60

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JSON jobs in Chicago, IL, USA