api developer jobs in Chicago

Senior Software Engineer – Java/AWS BackendDiversified Services Network, Inc. (DSN) is seeking a full-time Senior Software Engineer – Java/AWS Backend to join our team preferably in Chicago, IL but we're open to hybrid in our Peoria, IL, Dallas, TX or Broomfield, CO offices as well. We offer a hybrid work model with 2 days per week of onsite work, full...

Senior DevSecOps Engineer – Chicago, IL (Hybrid)About the Role Join a dynamic, innovation-focused team as a Senior DevSecOps Engineer and play a pivotal role in building a cloud-native immutable evidencing platform. Based in Chicago with a flexible hybrid schedule (3 days onsite), you'll architect and secure a cutting-edge solution that ensures compliance...

Title: Data Engineer Location: Chicago, Ill Openings: 1 Type: Permanent hire   The Client is searching for an experienced data engineer. This person will be responsible for building and managing an array of data acquisition services. The Ideal candidate will demonstrate experience with software development lifecycles, working with cloud architecture, and...

Chicago Hybrid Hourly salary: $75 Job Description Job Description – We are seeking a skilled and detail‑oriented QA Engineer to ensure the quality, reliability, and performance of our software applications. The ideal candidate will have strong experience in manual and automation testing, covering UI and API testing, and will...

Job DescriptionJob DescriptionCompany DescriptionAbout AbbVieAbbVie's mission is to discover and deliver innovative medicines and solutions that solve serious health issues today and address the medical challenges of tomorrow. We strive to have a remarkable impact on people's lives across several key therapeutic areas including immunology, oncology and...

Trebecon LLC is seeking a Python Developer to design, code, and deploy robust backend services in a fast-paced environment. The role emphasizes API-centric testing, automation, and collaboration with product teams to ensure quality delivery.The successful candidate will have 4+ years of testing/automation, strong Python skills, and experience with CI/CD,...

We are seeking a Quantum Integrations Engineer with expertise in distributed and cloud software systems and technical integrations and an enthusiasm for quantum software development.This role will be responsible for integrating Infleqtion's quantum computing software and capabilities into the platforms, tools, and workflows used by our ecosystem partners and...

We are seeking a highly skilled Python & React Full Stack Developer with strong hands-on experience in Python, React, REST APIs, and modern web application development. The ideal candidate will be responsible for designing, developing, testing, and maintaining scalable full-stack applications while collaborating with cross-functional teams to deliver...

Center 3 (19075), United States of America, McLean, VirginiaSenior Engineer - Generative AI Product Engineering (Remote-Eligible)Our mission at Capital One is to create trustworthy, reliable and human-in-the-loop AI systems, changing banking for good.  For years, Capital One has been leading the industry in using machine learning to  create real-time,...

Title: Client Developer Location: Remote Contract Role Must Have: Client Lightning Development – Advanced hands-on experience with custom Aura Components and Lightning Web Components (LWC). Apex Programming – Strong proficiency in Apex language for backend Client development. API Integration – Expertise in Mule, REST, and SOAP APIs for integrating...

Technical Skills (Required) Strong design and development skills in two or more of the following technologies and tools: Java (3-5 years) Cucumber(3-5 years), JBehave or other BDD testing frameworks At least 8 years of test automation framework design Strong experience in testing Webservices (REST APIs) (3+5 years) Proven experience developing test...

Center 3 (19075), United States of America, McLean, VirginiaSenior Manager, Generative AI Product Engineering - People Leader - (Remote Eligible)Our mission at Capital One is to create trustworthy, reliable and human-in-the-loop AI systems, changing banking for good.  For years, Capital One has been leading the industry in using machine learning to  create...

Role: Lead Java Software Engineer – AWS / Spring Boot / Microservices Location: Chicago, IL - Hybrid – 2 days onsite per week (Monday & Wednesday) Let’s create our future together at The AES Group! About The AES Group: The AES Group is a premier technology consulting company that has been bringing businesses and talent together for over 20 years to...

Senior Technical Architect / Full Stack .NET Developer Location: Chicago, Illinois | C2C | Onsite Pay Rate: $65/hr Industry: Full Stack Development / .NET / Azure / Cloud Engineering End Date: 28-Nov-2026 Job ID: 1636560BR Job Description We are seeking a Senior Full Stack .NET Developer with strong hands-on experience across front-end, back-end, and...

This role builds and maintains complex integrations, develops automation, engineers SailPoint rules and workflows, and ensures scalable, secure identity architecture across the enterprise. The IAM SailPoint Engineer partners with IAM leadership, cybersecurity, HRIS, infrastructure, and application teams to deliver modern identity solutions aligned with...

About Company: At ADP we use the most comprehensive data in the industry to create workplace insights that help inform products, ideas, and decisions every day. For 75 years, ADP has been building a better world of work. Learn why more than 1,000,000 clients rely on ADP and why we’re always designing for people. About the Role: As a Full Stack Developer,...

Job DescriptionScroll down for a complete overview of what this job will require Are you the right candidate for this opportunityRole : Full Stack Architect – AI & Agentic Systems (ReactJS, NextJS, NodeJS)Location : Chicago, IL(Hybrid- 3 days/week- WFO)Contract roleLooking for 14+ yearsPlease note that .NET experience is secondary for this role. We are...

Position Title: QA Workday Integration Engineer Location: Remote (US only) Duration: Long Term Contract   Job description: We are looking for an experienced QA Integration Workday Tester with strong Workday testing experience, automation skills, and client-facing capabilities. The ideal candidate should have a solid understanding of QA processes, release...

FreeWheel, a Comcast company, is seeking a Sr Backend Python Developer to design and build scalable backend services for the DSP platform in Illinois. You will own software design, APIs, and production deployments, collaborating with stakeholders to deliver robust advertising technology.The ideal candidate has 4+ years in Python/Django, experience with REST...

Motion Recruitment is seeking a senior software engineer for a full-time, on-site role in Chicago. You will design and build backend APIs, integrate with customers, and collaborate with product leaders to ship real solutions. The position offers ownership, leadership growth, and hands-on development across the stack.Ideal candidates have 5+ years producing...