api developer jobs in Chicago

Job#: 3051325 Job Description: Senior .NET Developer - Ancillary ProductsLocation: Chicago, Illinois (Onsite) Role OverviewAn experienced .NET Developer is sought to design, build, and enhance applications using the Microsoft .NET framework. This role involves developing new software solutions, improving existing systems, and collaborating with...

 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...

General Information Job Title Senior Manager, AI & Developer Platform Product Management Job ID 108450 Work Areas Technology & Engineering Employment Type Permanent Full-Time Location(s) Boston, Chicago Description & Requirements ...

Job Title: Java Full Stack Developer (Azure & React Js)Location: Chicago, IL - HybridInterview: Face-to-Face (F2F) Interview Second round is mandatoryEmployment Type: ContractJob Description:We are looking for an experienced Java Full Stack Developer with strong hands-on experience in Java, Spring Boot, Microservices, React, and Microsoft Azure. The...

Application Deadline:10/01/2026Address:320 S Canal StreetJob Family Group:TechnologyJob DescriptionMust Have:Leadership experience guiding other developers in a Capital Markets environmentAdvanced level Fixed Income experienceExpert Java and/or frontend (React / Typescript) experienceApplies development expertise to front and back-end systems coding combined...

AbbVie is seeking a Process Engineer to support API and natural products projects through late-stage development to manufacturing. You will assess unit operations for process robustness, scale-up risks, and collaborate with technical, quality, and regulatory teams.Responsibilities include applying chemical engineering principles, designing experiments, and...

Katalyst CRO is seeking a project leader to plan and execute capital projects for the API Pilot Plant and laboratories within the Synthetic Molecule CMC Research and Development organization. You will drive projects up to $5M, coordinating with multiple teams while ensuring alignment with regulatory expectations and business goals.The role emphasizes...

Role: Software Engineer Advanced (.NET Developer) 602 level Location: Chicago, IL 5 days onsite Job Reference: 308255-1Employment 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...

Technical Product ManagerAt 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....

About The Role What if the code you write could directly power the AI systems shaping how millions of people interact with technology? We're looking for Back End Developers in Chicago to design, build, and optimize the server-side systems and APIs that drive cutting-edge AI products — from data pipelines and model-serving infrastructure to scalable...

U.S. Bank seeks an API leadership role to drive governance, architecture, and developer enablement across enterprise APIs. You will own design decisions, ensure security and compliance, and guide teams through API lifecycle processes.Candidate should have extensive API platform experience and strong communication skills to produce technical docs and...

Position Summary Software Engineer III with Agentic AI Experience, AI & Engineering/Engineering as a ServiceAgentic AI is moving from experimentation to production, and organizations everywhere are racing to figure out how to build it responsibly and at scale. We're growing a team of engineers who want to work at the center of that...

MAJOR BANKING CLIENT IS HIRING FOR A JAVA FULL STACK DEVELOPER !!! Job Title: Java Full Stack Developer Location: Chicago, IL Work Arrangement: 5 day oniste Client 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...

Role Overview: We are looking for a Python Developer to build the backbone of our platform. You will be responsible for creating high-performance APIs, integrating advanced AI agent logic, and ensuring our infrastructure remains rock-solid as we scale. If you enjoy solving complex architectural puzzles and want to work at the intersection of...

About Slalom’s Enterprise Capability At the heart of Slalom’s Enterprise Capability is a bold ambition: to design and deliver intelligent, human-centered business applications that empower organizations to serve their customers with acceleration, agility, precision, and purpose.   We partner with leading platforms—Salesforce, ServiceNow, Adobe,...

Job title: ServiceNow DeveloperWork Location with Zip code: Chicago, IL 60604Duration of the project: 12 MonthsMandatory SkillsServiceNow Development, JavaScript, AngularJS, REST APIs, Flow Designer, Service Portal, ITSM AdministrationGood to Have SkillsAgile work experienceJob Summary:We are seeking a skilled ServiceNow Developer with strong expertise in...

Senior OpenShift Developer (MuleSoft Integration) OpenShift with MuleSoft Integration Role Overview: We are seeking experienced Senior Developers with strong hands-on expertise in OpenShift to support the development of IAR APIs for the Conditions Management / Utilization Management product team. The role involves working on a cloud-native platform where...

Title: .NET Developer Location: Plano, TX Onsite Duration: 6 Months of Contract Top 4 Must-Have Skills: Experience - 8 yrs upwards and can go any high. Advanced/Expert Strong experience with C#, .NET Framework/.NET Core, and ASP.NET Experience developing REST APIs and web services Proficiency with SQL Server and database design Required Skills: Strong...

Skills: Chatbot development using Python, Dialog flow. Conversational flow, AWS, C#, .Net / .Net core, Restful APIs development Proficient in .NET framework, including asp.net, MVC, and web API for building robust web applications. Strong knowledge of azure cloud services, such as azure functions, azure sql database, and azure app service. Expertise in C#...

Role Level: Senior Java Developer with Azure cloud only NO AWS- Chicago, IL-NO FULLSTACK AND UIPreferred Education:- Bachelor's degree Required Skills for the Senior Java Developer:Core Development:- 8+ years of hands-on experience with Java (J2EE), Spring Boot, and Microservices- Proven experience developing and supporting cloud-native applications on...