Web API jobs in Chicago, IL

React.Js Web Developer (Fast API, Python)

Remote

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14d ago

Job Title: React.js. Web Developer (Fast API, Python)Location: Remote Key ResponsibilitiesDesign, develop, and maintain responsive web applications using React.js.Build and maintain high-performance REST APIs using FastAPI and Python.Integrate front-end applications with backend services and third-party APIs.Develop reusable UI components and ensure responsive design.Optimize application performance, scalability, and security.Write clean, maintainable, and well-documented code.Collaborate with p

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Third Party, Contract

Depends on Experience

Sr. Manager, IT Quality Assurance

Chicago, Illinois

•

Today

We're building a relationship-oriented bank for the modern world. We need talented, passionate professionals who are dedicated to doing what's right for our clients. At CIBC, we embrace your strengths and your ambitions, so you are empowered at work. Our team members have what they need to make a meaningful impact and are truly valued for who they are and what they contribute. To learn more about CIBC, please visit CIBC.com CIBC's Global Technology, Data & AI plays a critical role in that tra

Full-time

USD 160,000.00 - 180,000.00 per year

Sr. Manager, IT Quality Assurance

Chicago, Illinois

•

Today

Full-time

USD 160,000.00 - 180,000.00 per year

Sr Manager, Software Engineering

Chicago, Illinois

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3d ago

We're building a relationship-oriented bank for the modern world. We need talented, passionate professionals who are dedicated to doing what's right for our clients. At CIBC, we embrace your strengths and your ambitions, so you are empowered at work. Our team members have what they need to make a meaningful impact and are truly valued for who they are and what they contribute. To learn more about CIBC, please visit CIBC.com What you'll be doing As a member of CIBC Bank US team, the Sr. Manage

Full-time

USD 155,000.00 - 185,000.00 per year

Sr Manager, Software Engineering

Chicago, Illinois

•

Today

We're building a relationship-oriented bank for the modern world. We need talented, passionate professionals who are dedicated to doing what's right for our clients. At CIBC, we embrace your strengths and your ambitions, so you are empowered at work. Our team members have what they need to make a meaningful impact and are truly valued for who they are and what they contribute. To learn more about CIBC, please visit CIBC.com What you'll be doing As a member of CIBC Bank US team, the Sr. Manag

Full-time

USD 155,000.00 - 185,000.00 per year

Lead Software Engineer, API Integrations

Chicago, Illinois

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24d ago

We're building a relationship-oriented bank for the modern world. We need talented, passionate professionals who are dedicated to doing what's right for our clients. At CIBC, we embrace your strengths and your ambitions, so you are empowered at work. Our team members have what they need to make a meaningful impact and are truly valued for who they are and what they contribute. To learn more about CIBC, please visit CIBC.com How You'll Succeed Strategic Development & Execution: Perform and coordi

Full-time

USD 150,000.00 - 170,000.00 per year

Lead Software Engineer, API Integrations

Chicago, Illinois

•

Today

We're building a relationship-oriented bank for the modern world. We need talented, passionate professionals who are dedicated to doing what's right for our clients. At CIBC, we embrace your strengths and your ambitions, so you are empowered at work. Our team members have what they need to make a meaningful impact and are truly valued for who they are and what they contribute. To learn more about CIBC, please visit CIBC.com How You'll Succeed Strategic Development & Execution: Perform and coo

Full-time

USD 150,000.00 - 170,000.00 per year

Principal Software Engineer

Chicago, Illinois

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Today

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, clearing and investment solutions to market participants around the world. We're building meaningful ways to support professional and personal d

Full-time

USD 182,325.00 - 235,950.00 per year

Looking for Expert Dot Net Full stack Developer/Architect with AI Skills

Remote or Albany, New York

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Today

Hi, Position: Looking for Expert Sr. Dot Net Full stack Developer/Architect Location: Remote/ Albany NY Long Term Minimum 12+ Years Skills: Frontend Development Backend Development AI Skills STRONG CODING experience UI ASP.NET Core Razor Pages (net10) External JS modules , jQuery Validation, Bootstrap Backend ASP.NET Core Web API (net10) EF Core , CQRS FluentValidation Mapster for DTO/domain mapping Auth: Windows Negotiate and JWT bearer supported Swagger/OpenAPI, API Versioning Structured DI D

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Contract, Third Party

Depends on Experience

Full Stack Developer

Remote

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24d ago

BringyourReactexpertiseand.NETdevelopmentskillstoarolewhereyoullbuildhigh-performancewebapplications,createintuitiveuserexperiences,anddevelopscalableback-endsolutionsusingamoderntechnologystack. FT,DirectHire Remote 150K-180Kplusbenefits React,.NET,C#,WebAPI,SQL,JavaScript,TypeScript,JSON,ASP.NET,RESTAPI,WebAPI, Responsibilities: DevelopandmaintainwebapplicationsusingReact18,JavaScript/TypeScript,andTailwindCSS.BuildreusableUIcomponentsandoptimizeapplicationperformance.DevelopAPIsandback-ends

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Full-time

150000 - 180000

Power Apps Developer

Remote or Texas

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Today

Intermediate Microsoft Power Platform Developer HCOR is seeking an Intermediate Software Developer to contribute to the development of HCOR's web-based JMS product line. You will collaborate directly with product BAs, testers and developers to gain a better understanding of the requirements to develop products which help our customers perform their jobs more effectively. This exciting and challenging position requires a self-motivated and independent individual who is committed to developing in

Full-time

USD 90,000.00 - 100,000.00 per year

Senior Backend .NET Developer

Remote

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Today

Job Title: Senior Backend .NET Developer Job Location: Remote Job Type: Full Time Job Description: Develop backend services and REST APIs using C# and .NET. Build business and domain logic using SOLID and Clean Architecture principles. Work with Entity Framework Core, LINQ, SQL Server, and Azure SQL. Design integrations with enterprise and third-party systems. Implement asynchronous processing, background services, and messaging. Work with Azure Service Bus and other messaging technologies. I

Full-time

Lead .NET Engineer with AI tools

Remote

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Today

We are looking for a Lead .NET AI Developer to drive the design and development of modern cloud-native applications powered by Generative AI technologies. This role combines deep expertise in the Microsoft ecosystem with hands-on experience building AI-enabled solutions and mentoring engineering teams. You will lead the development of scalable ASP.NET services on Microsoft Azure, leverage AI-assisted engineering tools, and contribute to the delivery of innovative solutions that integrate GenAI c

Full-time

Senior .NET Engineer-Puerto Rico Remote

Remote or San Juan, San Juan

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Today

Position:Senior .NET Engineer Experience:8+Years Work Mode:Puerto Rico Remote Contract: 12+Month We are Lokking for a Dot net Full stack Developer-Puerto Rico Remote Frontend Development Develop and maintain responsive, modular, and high-quality Angular applications. Implement UI components using TypeScript, HTML5, CSS\LESS\SCSS, and RxJS reactive patterns. Manage global and component-level state using NgRx. Write robust unit tests using Jest to ensure high code quality and maintainability

Full-time

Sr .NET Engineer-Puerto Rico - Remote

Remote or San Juan, San Juan

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Today

Full-time

QA Automation Engineer

Remote or Phoenix, Arizona

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Today

RESPONSIBILITIES: Kforce has a client in Phoenix, AZ that is seeking a QA Automation Engineer to help drive software quality and test automation across modern cloud-based applications. In this role, you'll design and maintain automated testing frameworks, validate web, API, and backend applications, and collaborate closely with engineering and product teams to ensure reliable, high-quality software releases. Responsibilities: * Design, develop, and maintain automated test suites using tools suc

Full-time

$90,000 - $100,000 annually

Senior Full Stack .NET Developer

Remote

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Today

Job Title: Senior Full Stack .NET Developer Job Location: Remote Job Type: Full Time Job Description: Develop scalable web applications using .NET and ASP.NET Core. Build responsive frontend applications using React or Angular with TypeScript. Develop REST APIs and backend services using C#. Work with Entity Framework Core, SQL Server, and Azure SQL. Integrate applications with external APIs and enterprise systems. Implement authentication, authorization, logging, caching, and error handling.

Full-time

Senior Software Development Engineer (Back-end)

Remote

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Today

Filevine is a Legal AI company delivering Legal Operating Intelligence for the future of legal work. Grounded in a singular system of truth, Filevine brings together data, documents, workflows, and teams into one unified platform-where modern legal work happens with clarity and consistency. Powered by LOIS, the Legal Operating Intelligence System, Filevine connects context across every matter to transform legal operations from reactive to proactive. LOIS reads, understands, and reasons across y

Full-time

USD 160,000.00 - 190,000.00 per year

DevSecOps Presales Solutions Engineer - Mid-Atlantic region (Remote in VA, MD, PA, NC, DE, NJ, or DC)

Remote

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Today

GuidePoint Security provides trusted cybersecurity expertise, solutions and services that help organizations make better decisions and minimize risk. By taking a three-tiered, holistic approach for evaluating security posture and ecosystems, GuidePoint enables some of the nation's top organizations, such as Fortune 500 companies and U.S. government agencies, to identify threats, optimize resources and integrate best-fit solutions that mitigate risk. General Description The DevSecOps Presales S

Full-time

Sr. .NET Developer

Remote or McLean, Virginia

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Today

Public Trust Eligibility Required About Aretum Aretum is a mission-driven organization committed to delivering innovative, technology-enabled solutions to our customers across defense, civilian, and homeland security sectors. Our teams work at the intersection of strategy, technology, and transformation, helping agencies solve their most critical challenges. We believe in investing in our people and creating a culture where collaboration, inclusion, and professional growth are at the forefront

Full-time

USD 120,000.00 - 150,000.00 per year

Web API jobs in Chicago, IL, USA