api developer jobs in Chicago

Technical Skills- Programming Languages: Python, Java, or C#, Typescript, Javascript- Testing Frameworks: Selenium, TestNG, JUnit, PyTest, Playwright- Version Control: Git- CI/CD Tools: Concourse, Jenkins, Azure DevOps- Database Knowledge: SQL, Postgres, MsSQL, Bigquery- API Testing: Postman, ECHOAPI, REST Assured- AI tool : Copilot, Claude, Cursor AI...

Description We are seeking a Senior Software Engineer with deep experience in backend Java development and Android application engineering. This role will focus on designing, building, and maintaining scalable backend services while also contributing to Android mobile applications. The ideal candidate brings strong technical expertise, a collaborative...

Ampcus Inc. is a certified global provider of a broad range of Technology and Business consulting services. We are in search of a highly motivated candidate to join our talented Team. Work Location: Chicago, IL Minimum Years of Experience: 8 Onsite: Yes Relocation Candidates: Consideration for relocation candidates is acceptable. Visa Requirement: This...

Role is hybrid, 2 days on site in Chicago office. Sr. Staff Technology Solutions AnalystThe Markets Technology team is looking for a Sr. Staff Technology Solutions Analyst to provide technical analysis for CME's Order Entry, Matching and Market Data systems. The Markets Analysis team works on the core trade execution systems that power our electronic trading...

Who You’ll Work With As a Genesys Consultant or Senior Consultant on Slalom's Contact Center Modernization team, you will design, configure, and deliver Genesys Cloud CX solutions for enterprise clients. You will be a hands-on technologist who can take a solution from requirements through build, testing, and go-live, working with architects, business...

84.51° Overview: 84.51° is a retail data science, insights and media company. We help The Kroger Co., consumer packaged goods companies, agencies, publishers and affiliates create more personalized and valuable experiences for shoppers across the path to purchase. Powered by cutting-edge science, we utilize first-party retail data from more than 62 million...

Title: Senior Solution EngineerIntroductionThe Senior Solution Engineer is responsible for leading technical discovery, solution design, and delivery of scalable, high-quality software solutions that address complex business needs. This role combines deep-hands-on software engineering expertise with a consultative, solution-oriented mindset. The Senior...

Role: Design Lead – Java Coding Review Location: Chicago, IL (Onsite) Contract Role Job Summary We are looking for an experienced Design Lead with strong Java development and coding review expertise to lead technical design discussions and ensure high-quality coding standards across development teams. The role requires deep knowledge of Java-based...

AI EngineerLocation: Chicago, IL | Hybrid: 3 days onsite | Full-Time, Direct HireWork Authorization: U.S. work authorization without sponsorship requiredRoleWe’re seeking an AI Engineer to build and deploy production-grade LLM and agentic AI solutions using Python, AWS, and modern AI technologies. This is a hands-on role focused on architecture,...

Discovery IT System Administrator Employment Type: Full-Time, Executive-Level Department: Legal    CGS is seeking a dedicated Discovery IT System Administrator to join a fast-paced and hard-working team to assist with any legal accounts. As a Discovery IT System Administrator, you will play a key role in supporting various aspects of the company's...

Data Engineer  Employment Type: Full-Time, Mid-level Department: Business Intelligence   CGS is seeking a passionate and driven Data Engineer to support a rapidly growing Data Analytics and Business Intelligence platform focused on providing solutions that empower our federal customers with the tools and capabilities needed to turn data into actionable...

Position SummaryWe are seeking an experienced Technical Lead Consultant with strong specialty pharmacy and healthcare technology experience to lead application support, enhancements, integrations, and delivery across a pharmacy ecosystem. The role will provide technical leadership for pharmacy platforms, including ScriptMed, Salesforce, SAP, middleware, and...

About CoinflowCoinflow is the next-generation payment service provider revolutionizing global financial infrastructure with stablecoins, AI-driven fraud prevention, and instant settlement. Coinflow enables businesses to grow faster with instant settlement, fraud & chargeback indemnity, global pay-ins, multi-currency FX, and unified payouts. Founded in 2023,...

About Northern TrustAs a global leader in innovative wealth management, asset servicing, asset management and banking services, Northern Trust (Nasdaq: NTRS) is proud to guide the world’s most successful individuals, families, corporations and institutions. Since 1889, we have aligned our efforts with our three guiding Principles That Endure: Service,...

Duties: Responsible for the Virtualization environment design, support, and automation. Provide operational support for the existing and future Virtualization and computing and VDI architectures. Design solutions to support existing and future services and enhance security posture. Provide advanced support to UCS – VMWare environment. Support VXRail VDI...

Requisition ID: 107458 -1 Title: Data Engineer – Databricks / Snowflake Duration: 6-12 months with possible extension Location: Chicago IL (Hybrid – 3 days a week onsite) Salary Range: $60- $63 an hour on W2/C2C Job Description: Pipeline Development Design| implement| and optimize scalable ETL/ELT pipelines using Databricks (PySpark| SQL|...

Job Description:Building trusted markets — powered by our people At Cboe Global Markets, we inspire our people to solve complex challenges together because what we do matters. We provide the financial infrastructure that powers the global economy. As a leading provider of market infrastructure and tradable products, Cboe delivers cutting-edge trading,...

Solutions for Today’s Challenges. Vision for Tomorrow’s Opportunities. Join William Blair, the Premier Global Partnership.  We are hiring a Senior AI Engineer to join a newly formed AI Innovation Function, part of the Investment Banking AI & Technology team. This is not a back-office engineering role. This role follows the Forward Deployed Engineer...

Must have Skills/AttributesAgile, AWS, DevOps, Java, Spring ShiftM-F Nice to have Skills/Attributes Position DescriptionRequired Education/Experience:• Bachelor’s degree in computer science or electrical engineering or related field is required w/ 8+ years’ experience in this capacityOR•...

Moonlite delivers high-performance AI infrastructure for organizations running intensive computational research, large-scale model training, and demanding data processing workloads. We provide infrastructure deployed in our facilities or co-located in yours, delivering flexible on-demand or reserved compute that feels like an extension of your existing data...