api developer jobs in Chicago

At U.S. Bank, we’re on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions and enabling the communities we support to grow and succeed.  We believe it takes all of us to bring our shared ambition to life, and each person is unique in their potential. A career with U.S. Bank gives you a...

OverviewMobile-First API Development: Design and build secure, scalable REST/JSON (or GraphQL) APIs optimized for mobile consumption, including authentication, authorization, and versioning.Cloud-Native Backend Engineering: Develop and operate backend services in a AWS cloud environment, integrating databases, third-party services, and monitoring/logging for...

micro1 is seeking Technical Writing Specialists to support a customer project focused on developer and product documentation for AI training. No prior AI experience is required. Create and edit developer, API, and product documentation; simplify complex concepts for diverse audiences; organize docs with information architecture; apply docs-as-code...

Job DescriptionJob DescriptionAddress: 6500 W 51st Chicago, IL 60638Salary: 70k- 80KSeeking a .NET Developer to design, build, and maintain web applications and APIs that integrate with business systems and internal platforms. The ideal candidate has strong experience with the Microsoft .NET ecosystem and is comfortable developing scalable backend services...

Address: 6500 W 51st Chicago, IL 60638 Salary: 70k- 80K Seeking a .NET Developer to design, build, and maintain web applications and APIs that integrate with business systems and internal platforms. The ideal candidate has strong experience with the Microsoft .NET ecosystem and is comfortable developing scalable backend services and modern web...

We are looking for a Senior Backend Java Developer to design and build the core backend services of a Master Data Management platform for a leading global credit ratings organization. You will engineer the server-side components that power Security Master, Entity Master, and Reference Data workflows — including data ingestion, processing, match-merge...

Pinterest seeks a Partner Development Lead to connect our partner ecosystem with product and commercial teams. You will drive strategy and execution for Activation (API) and AdTech partnerships, shaping multi-year roadmaps and durable revenue growth. You are a builder, strategist, and operator who thrives in ambiguity.You will translate partner needs into...

Product Manager III, Rapid API - Post-Booking Expedia Group B2B is the B2B arm of Expedia Group. We bring innovative technology and distribution solutions to partners across the world, powering travel partnerships at scale through access to one of the industry's most comprehensive travel supply sets. Within this space, our Post-Booking Servicing team focuses...

​Heidrick & Struggles is the world’s foremost advisor on executive leadership, driving superior client performance through premier human capital leadership advisory services. For more than 70 years, we’ve delivered value for our clients by leveraging unrivaled expertise to help organizations discover and enable outstanding leaders and teams. Learn more...

About the RoleWe are seeking an exceptional Principal Product Manager to build the HTS API Marketplace — the commercial and developer-facing layer through which enterprise partners access Hopper's lodging and cars capabilities.This is a true 0-to-1 role. You will be the person who defines what it is: how capabilities are packaged and priced, how partners...

Job DetailsItemDetailsJob TitleIT Software Engineer 2 – SDET / Software Test Automation  LocationChicago, ILWork ArrangementOnsite – 5 days/weekStart DateOctober 12, 2026Duration12 monthsInterview2 rounds – virtual screening followed by onsite interview in Chicago Position OverviewCaterpillar is seeking a Software Test Engineer / SDET to support the...

Position Summary Integration Engineer II, API Developer with Integration Tool Experience - AI & Engineering/Engineering as a Service Join our AI & Engineering team in transforming technology platforms, driving innovation, and helping make a significant impact on our clients' success. You’ll work alongside talented professionals...

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.Here, you'll do meaningful work that helps millions of...

Cullerton Group seeks an IT Software Engineer 2 – SDET / Test Automation Engineer to join their on-site team in Chicago, IL. This 12-month position offers up to $59/hr plus full benefits and the possibility of permanent placement.Responsibilities include designing and maintaining test automation frameworks, developing automated functional and API tests...

Must Have: CloudHub 2.0: strong architecture knowledge (Private Spaces, replicas, ingress, internal/public endpoints, TLS). Architecture: API-led design (EAPI/PAPI/SAPI), scaling and load distribution Development: RAML spec-first → Exchange → scaffold; cloning apps for new APIs/repos; expert DataWeave 2.0; HTTP connector; error handling and retries;...

100% Remote | C#/.NET | Growing SaaS CompanyThis Jobot Job is hosted by: Ellie StaverAre you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume.Salary: $110,000 - $130,000 per yearA bit about us:We are a growing software company providing a cloud-based SaaS platform used by organizations across the country to manage their...

RPA Developer a { text-decoration: none; color: #464feb;}tr th, tr td { border: 1px solid #e6e6e6;}tr th { background-color: #f5f5f5;} Pay Rate: $55-$70/hour About the Team and the Environment This role sits within a centralized AI Engineering and Automation Center of Excellence responsible for delivering enterprise-scale automation solutions across a large,...

We have an opening for Java Developer (Banking Domian) at Chicago, IL. Kindly apply with your updated resume if you are interested. Please find the job details below: Position: Java Developer (Banking Domian)Location: Chicago, ILDuration: 12 Months contract position Description:Payment integration, card payment processing and authorisations /...

Job Details:Position: Sr Java Developer Location: Chicago, IL (Hybrid - 2 3 days/week) Type: Contract (W2, 1099)Job Overview:We are seeking experienced Sr Java Developer with strong expertise in AWS cloud technologies to join our engineering team. These roles report to the Software Engineering Manager and involve contributing to new program development...

MAJOR BANKING CLIENT IS HIRING FOR A JAVA FULL STACK DEVELOPER !!!Job Title: Java Full Stack DeveloperLocation: Chicago, ILWork Arrangement: 5 day onisteClient Industry: Banking Duration: 12 -18 months Contract Schedule: Monday to Friday Job Description:We are seeking a skilled Java Full Stack Developer with 7+ year of experience. The ideal Candidate will...