api developer jobs in Chicago

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...

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...

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...

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...

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...

Senior Manager, Application Development - HR ApplicationsPosition SummaryThe Senior Manager, Application Development is a senior technology leader responsible for leading multiple software engineering and application delivery teams in the design, development, modernization, implementation, and support of secure, scalable, cloud-enabled enterprise...

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...

Collectors is the leading creator of innovative technology that provides value-added services for collectors worldwide. We grade, authenticate, vault, and sell millions of record-setting collectibles, all while modernizing and digitalizing the process to further our mission of helping collectors pursue their passions. We’re always on the lookout for...

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...

Accord Technologies Inc. seeks an Analyst/Developer in Chicago to support cloud-based apps and data workflows. You will troubleshoot UI/API data flow, optimize availability, and build automation scripts with Python, SQL, and JSON. The role emphasizes high-availability architecture and proactive monitoring, with experience in Snowflake and AWS services. The...

We are seeking an experienced Technical Lead (Vue.js + Nuxt.js) to lead the design, development, and delivery of modern, scalable web applications. The ideal candidate will have deep expertise in Vue.js, Nuxt.js, JavaScript, TypeScript, and front-end architecture, along with strong leadership and stakeholder management skills. This role requires hands-on...

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,...

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...

Description OVERVIEW iTech AG is seeking a Senior ServiceNow Developer to support our Federal Deposit Insurance Corporation (FDIC) ServiceNow Task Order 3 program. This is a full-time, fully remote W-2 position supporting an established ServiceNow implementation focused primarily on Human Resources Service Delivery (HRSD), with additional Workplace...

Job Summary:   We are seeking a Slack IT Engineer with deep expertise in Slack administration, automation, and API development to enhance collaboration and productivity within our enterprise organization. In this role, you will be responsible for managing Slack at scale, designing secure and compliant solutions, and leveraging AI-driven automation to...

Mulesoft Architect / Senior developer for a 6 month contract. We have a vacancy from about a week ago: Deep understanding of MuleSoft Anypoint Platform architecture Experience designing and implementing APIs using RAML and RESTful principles. Proficiency in integration patterns, microservices architecture, and event-driven design. Experience building...

Role: Forward Deployed Engineer - Agentic AI & Data (Senior Engineer) Location: Any US Location - must be willing to travel to client sites as needed The Forward Deployed Engineer (FDE) is a hands-on, client-facing role responsible for designing, building, and deploying AI solutions directly within customer environments. You’ll work closely with clients...

About CressetCresset is a firm built by clients, for clients. As an independent, award-winning multi-family office and private investment firm, we are reimagining the way wealth is experienced. Our purpose is to help ensure that both wealth and life are fully optimized—integrated, intentional, and aligned with each client’s vision of success.We provide...