API Jobs in Chicago, IL

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21 - 40 of 1,854 Jobs

Technical Business Analyst (API and Mortgage, Loan)

Reveille Technologies

•

Remote

Contract

Experience with API services and integration projects.8+ years of BA/Product Owner experience in handling complex projects end to end across multiple tech teams /projects. Should have requirement gathering experience on request/response API, workflow creation and Data mapping.5+ years of mortgage(Loan Origination and Loan Servicing) experience.Good in communication and maintaining project sanity like confluence, meeting notes, documentation, issue tracker etc.Have worked as single contact for cl
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Posted 5 days ago | Updated 5 days ago

Full Stack Developer - Backend / API Development

Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is looking for a Full Stack Developer - Backend / API Development to join a strategic global organization a fully remote role working EST / CST hours. The ideal Full Stack Developer - Backend / API Development will design and build scalable backend services while contributing to frontend development efforts. Responsibilities for Full Stack Developer - Backend / API Development: Build and maintain robust, scalable RESTful APIs using Python to power core platform features Collab
Posted 19 days ago | Updated 13 days ago

API Technical Writer

GlobalLogic Inc.

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Remote

Full-time

Job Description: Fluent in authoring API reference documents and developer guides that help empower others to create innovative new business applicationsCapable of crafting content that is as technically sound as it is clear and conciseAttuned to the differences between all methods in the REST architectural styleWilling to experiment with new ways to organize and deliver content onlineAutonomous and comfortable juggling multiple, overlapping, and, at times, competing prioritiesComfortable forgin
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Posted 18 days ago | Updated 18 days ago

Microservices API engineer-

HCL America Inc.

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Remote

Full-time

We are HCLTech, one of the fastest-growing large tech companies in the world and home to 218,000 people across 60 countries, supercharging progress through industry-leading capabilities centered around Digital, Engineering and Cloud. ( ) The driving force behind that work, our people, are diverse, creative, and passionate, raising the bar for excellence on a regular basis. We, in turn, work hard to bring out the best in them as we strive to help them find their spark and become the best version
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Posted 20 days ago

Software Engineer in Test (SDET) - QA - Data Testing Financial Firm

Request Technology, LLC

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Chicago, Illinois, USA

Full-time

NO SPONSORSHIP - NO OPT Principal, Software Engineering: Software Development Test (SDET) - Financial Firm SALARY: $159-$210k +30% bonus LOCATION: CHICAGO, IL HYBRID 3 DAYS IN OFFICE Looking for a candidate from a financial firm with strong QA automation background. excellent communication skills to support regression testing. Experience in implementing software applications, test automation tools like Gherkin Cucumber Selenium API and high-volume data testing experience. Development of data tes
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Posted 7 days ago | Updated 12 hours ago

Technical Lead with strong Java-based API testing experience - 100% remote

Calance

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Remote or Denver, Colorado, USA

Contract

Technical Lead The Technical Lead (TL) is an expert who provides technical leadership in the design, development and delivery of technology-enabled applications, products and services. The Technical Lead will provide solutions to business requirements, or technical issues, and is responsible for meeting development schedules and ensuring the delivered solution meets the technical specifications and design requirements. The Technical Lead (TL) will be responsible for overseeing the day-to-day so
Posted 49 days ago | Updated 9 hours ago

API Developer EDI *100% Remote*

Effective Data Inc

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Remote

Contract, Third Party

Effective Data, EDI cloud and consulting firm, has an immediate need for an API developer with an understanding of EDI for as needed project work beginning ASAP. If you are available and interested, please send your rate and resume ASAP! Initial Scope: 2 Trading Partners 6 Data Flows PO InboundPO OutboundInventoryPO AcknowledgementShip Notice inboundShip Notice OutboundUsing API's to connect NetSuite with 2 external trading partners / connection points Candidate Profile: The ideal candidate wil
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Posted 21 days ago

Senior API Test Automation Engineer for API and Data Pipeline Testing

Resource Informatics Group

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Remote

Contract

Title: Senior API Test Automation Engineer for API & Data Pipeline Testing Location: NYC - Candidate should follow EST Time - Remote Duration: 6+ months Rate: $Market All Inclusive 1. Purpose The purpose of this Statement of Work (SOW) is to define the responsibilities and deliverables of a Senior API Test Automation Engineer engaged to design, develop, and maintain automated testing solutions for REST APIs, Kafka data ingestion pipelines, and backend validations for FDR Squad. 2. Scope of Work
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Posted 4 days ago | Updated 7 hours ago

Remote BSA (API Testing/SQL/HL7)

Software Guidance & Assistance

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Remote or Jacksonville, Florida, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Remote BSA (API Testing/SQL/HL7) for a CONTRACT assignment with one of our premier Healthcare Services clients for a Remote position. Project Scope: Worker will be designing and testing API for care/coding gaps for Interoperability project Top Skills/Experience Needed: Strong API testing experience required (Postman and/or Bruno or equivalent API testing tool) Intermediate to advance SQL required (required to build custom/adva
Posted 40 days ago | Updated 10 hours ago

API Developer- Remote

Amtex System Inc.

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US

Contract, Third Party

Amtex Systems Inc is an information technology and talent solutions company offering talent and BI consulting to the companies in US for over 25 years. Our solutions are designed to fill resource gaps, by providing the right candidates who deliver value to the organization. Our propensity to nurture and build strong relationships with our clients helps us better understand their business demands and gives us the ability to provide services that are on time and rise above the rest. Hi We have
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Posted 34 days ago | Updated 14 hours ago

C#.NET API Developer

TriCom Technical Services

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Remote

Contract

C#.NET API Developer Summary This C#.NET API Developer will focus on developing financial applications, creating workflows, and API integration. Responsibilities Support the company's financial systems.Develop Web-based solutions for internal customers business needs using C#/MVC.NET and MS SQL.Develop methods and processes to interact with various Cloud-based APIs using SOAP and RESTful APIs.Develop and maintain data synchronization between various systems within and between the company and o
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Posted 6 days ago

UI Developer (.Net C#, APIs) Remote

Gainwell Technologies LLC

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Remote or Austin, Texas, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have
Posted 26 days ago | Updated 9 hours ago

UI Developer (.Net C#, APIs) Remote

Gainwell Technologies LLC

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Remote or Houston, Texas, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have
Posted 26 days ago | Updated 9 hours ago

Azure Integration Architect((.NET & API)

Thinkbyte Consulting, Inc.

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Remote

Contract

Key Responsibilities: Architect, design, and implement integrations using Azure Function Apps (especially Durable Functions), API Management, and Apache Kafka Develop secure and efficient cloud-native applications utilizing Azure resources such as Application Insights, Key Vault, Storage Accounts, and GitHub Design, build, and maintain scalable and secure RESTful APIs using C# (.NET/.NET Core) and JSON Document APIs using OpenAPI specifications Build and maintain CI/CD pipelines and support auto
Posted 39 days ago | Updated 2 days ago

UI Developer (.Net C#, APIs) Remote

Gainwell Technologies LLC

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Remote or Dallas, Texas, USA

Full-time

Be part of a team that unleashes the power of leading-edge technologies to help improve the health and well-being of those most vulnerable in our country and communities. Working at Gainwell carries its rewards. You'll have an incredible opportunity to grow your career in a company that values work flexibility, learning, and career development. You'll add to your technical credentials and certifications while enjoying a generous, flexible vacation policy and educational assistance. We also have
Posted 26 days ago | Updated 9 hours ago

QA Engineer AI Product Testing ( API & Security Scenarios)

Avila IT

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Remote

Full-time

We are seeking a meticulous QA Engineer with hands-on experience in testing AI-driven platforms to join our dynamic team. This role focuses on validating generative AI models (like Gemini, PaLM), API integrations, data security, and user experience across web-based AI studio environments. You ll play a critical role in ensuring functional reliability, ethical compliance, and top-tier performance across AI workflows including prompt/response behaviors, API validation, and UI responsiveness.Key Re
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Posted 26 days ago | Updated 24 days ago

Sr. Backend Developer (Java Microservices/API)

Photon

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Remote

Full-time

Go through JD below and let me know. We have an exciting opportunity for a Sr. Backend Developer (Java Microservices/API) position with one of our clients. The role offers flexibility with remote work, but the candidate should be open to traveling to Cleveland once every 2-3 months or as required by the client. Position: Sr. Backend Developer (Java Microservices/API) Location: Remote / Onsite in Cleveland (occasional travel required) Type: [Contract / Full-time choose whichever applies] Job Su
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Posted 39 days ago | Updated 25 days ago

Lead Java/Spring Boot API Developer with Pro*C Exp

Ace Technologies, Inc.

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Remote

Third Party, Contract

Location : REMOTE Duration :12 months Responsibilities: Backend Development: Design, develop, and maintain robust, scalable APIs using Java and Spring Boot.Implement RESTful services to meet business requirements.Leverage Spring dependency injection.Integrate core Java solutions as backend dependencies when API s are not the ideal solutionLeverage existing legacy code as requirements.Code Quality and Testing: Produce clean, maintainable, and efficient code.Implement comprehensive JUnit tests and
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Posted 60+ days ago | Updated 26 days ago

Distributed Systems Engineer (L5) - Service Mesh & API Gateway

Netflix, Inc.

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Remote

Full-time

Netflix is one of the world's leading entertainment services, with over 300 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. About the Team The Application Networking Group owns the communication backbone for Netflix's Cloud, including the Edge Gateway and services responsible for handling a
Posted 16 days ago | Updated moments ago

Sr MTS - Architect, Public APIs

eBay Inc.

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Remote or San Jose, California, USA

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur
Posted 37 days ago | Updated moments ago