API Jobs in Illinois

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41 - 60 of 1,945 Jobs

Senior JAVA Backend API Engineer

Guardian Life Insurance Company

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Remote or Holmdel, New Jersey, USA

Full-time

Overview: Guardian's Group Benefits API Technology Team is looking for versatile Software Engineers skilled in Java based technologies, who are driven, who want to make a difference and code with purpose. The Backend API/Integrations Engineer is responsible for providing seamless data integration between Enterprise Applications using Real time Restful APIs, messaging, and event streams. You Will: Develop well crafted, well-engineered, robust, scalable software integration solutions that are Pro
Posted 60+ days ago | Updated 11 hours ago

VP / API Engineering & Adoption Lead Analyst- (Hybrid)

Citi

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Remote or Jacksonville, Florida, USA

Full-time

The API Engineering & Adoption Lead Analyst is a strategic professional who stays abreast of developments within own field and contributes to directional strategy by considering their application in own job and the business. Recognized technical authority for an area within the business. There are typically multiple people within the business that provide the same level of subject matter expertise. Developed communication and diplomacy skills are required in order to guide, influence and convinc
Posted 60+ days ago | Updated 11 hours ago

Senior Math Libraries Engineers - Python APIs

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

NVIDIA is looking for a self-motivated and specialist software engineer for the design and development of high-performant Python APIs for our math libraries. In the last decade, Python has become the de-facto leading programming language for engineers in AI and data science, and more recently in HPC and scientific computing. NVIDIA has been at the forefront of providing GPU accelerated Deep Learning frameworks. These frameworks provide an efficient high-level programming interface allowing their
Posted 60+ days ago | Updated 10 hours ago

Web API Developer

Mass General Brigham

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Remote or Somerville, Massachusetts, USA

Full-time

Site: Mass General Brigham Incorporated At Mass General Brigham, we know it takes a surprising range of talented professionals to advance our mission-from doctors, nurses, business people and tech experts, to dedicated researchers and systems analysts. As a not-for-profit organization, Mass General Brigham is committed to supporting patient care, research, teaching, and service to the community. We place great value on being a diverse, equitable and inclusive organization as we aim to reflect t
Posted 60+ days ago | Updated 11 hours ago

CLEO - Integration Solution Architect

MAK Technologies, LLC

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Remote or Jersey City, New Jersey, USA

Contract

CLEO - Integration Solution ArchitectDuration: 6 months plus Location: Mostly Remote (expenses will be paid when you are at client location)Start date: Immediate Travel % : 25-50%Rate/Hr on c2c(All Inc)+ Expenses Job Descrption: Cleo Application Integration Engineers with experience in database, API, and file-based integrations, including transformation capabilities. Key Requirements: - Strong experience with Cleo Integration Cloud (CIC) not just APIs, but also support for: - Database-to-file
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Posted 3 hours ago

Senior MuleSoft Architect

O3 Technology Solutions

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Remote

Full-time, Third Party

Job Title: Senior MuleSoft Architect Client Location: Pennsylvania (PA-based client, EST time zone) Work Mode: Remote (Preferred to work in EST hours) Duration: 10 Months Visa: Open to all valid work authorizations Position Overview: We are seeking a highly experienced Senior MuleSoft Architect to lead enterprise-level integration initiatives for our Pennsylvania-based client. The ideal candidate will have deep expertise in MuleSoft architecture, strong leadership skills, and a proven track reco
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Posted 5 days ago

Browzwear Headless Scripting Expert

VISION INFOTECH INC.

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Pennsylvania, USA

Third Party, Contract

Hi, Hope you're doing well!! Please find the requirement below. If you find yourself comfortable with the requirement please reply back with your updated resume or call me back at Position: Browzwear Headless Scripting Expert Location: 100% Remote Duration: 6+ Months Client won't be able to sponsor any visa Browzwear Headless Scripting Expert Browzwear Headless Scripting experience. Not Browzwear (it is a 3D modeling tool), but Headless. Headless is an API platform that does functions li
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Posted 6 days ago | Updated 5 hours ago

Apigee Developer

CloudBlue Technologies

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Remote

Full-time

Role : Apigee Developer Location : 100% Remote Core Apigee Concepts: o Proxies: Building, deploying, and managing API proxies, including request/response flows, policies, and error handling. o Products, Developers, and Apps: Managing API consumption through products, developer accounts, and app registration. o Security: Implementing authentication (OAuth/OKTA, API keys), authorization, and protection against threats (OWASP) o Traffic Management: Using policies for rate limiting, quotas, cachi
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Posted 5 days ago

Full Stack Software Engineer

LowCountry Staffing & Consulting

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Remote

Full-time

This is a Fully remote position. No travel Required 5+ years of full stack development experience in startup or fast-paced environments. Expertise in both frontend (React, TypeScript) and backend (Node.js or Python) technologies. Proven experience with API design (REST) and integrating external systems. Strong understanding of cloud-native architectures especially with AWS Lambda, API Gateway, S3, RDS/DynamoDB. Hands-on experience with data visualization or data-driven applications (e.g., D3, eC
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Posted 5 days ago

MuleSoft Architect

Georgia IT

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Remote

Contract

Position: MuleSoft Architect Location: Pittsburgh, PA (Remote) Duration: 6+ Months Rate: DOE Description: Looking for a Senior MuleSoft Architect hands-on - current MuleSoft Cloud Platform - last 2 projects, big dev projects. The candidate MUST has done high-level design & detailed level design. Java development experience;Architecture and development experience in integrations/API space;Strong client-facing ability with excellent communication and interpersonal skills;MuleSoft Certified Platfor
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Posted 5 days ago

Mulesoft Integration Consultant

Mumba Technologies

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Remote

Contract

Mulesoft Integration Consultant Remote Looking for W2 Job Description: Leverage 6+ years of hands-on experience with MuleSoft CloudHub to architect, design, and implement robust integration solutions. Utilize 10+ years of overall experience with a strong Java and integration background to lead and mentor a talented integration team. Take ownership of integration architecture to effectively solve business problems. Transform business requirements into scalable and manageable solution architecture
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Posted 7 days ago | Updated 1 day ago

Portkey SME

Veear

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Remote

Contract

Job Description: We are looking for an experienced Portkey Subject Matter Expert (SME) to lead the design, implementation, and optimization of solutions using the Portkey platform. In this role, you will work closely with business stakeholders, architects, and development teams to ensure robust, scalable, and high-performing Portkey integrations that meet business requirements. Key Responsibilities: Act as the primary technical authority for all aspects of the Portkey platform.Lead solution des
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Posted 1 day ago | Updated 5 hours ago

.NET BACKEND DEVELOPER-REMOTE

Neo Prism Solutions, LLC

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Remote

Full-time

Job Title: .Net Backend Developer Location : Remote Job Type: Contract SKILLS/EXPERIENCE REQUIREMENTS Experience with the Microsoft .NET platformStrong .NET Core (C#) experience with Web Services/API's, HTML/CSS (Bootstrap)Demonstrated proficiency with SQL, stored procedures, and database designThorough understanding of object-oriented development (OOD), Domain driven design, including an in-depth knowledge of implementing RESTful, micro services design patterns and architecturesStrong experien
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Posted 6 days ago | Updated 6 hours ago

EDI Integrations Developer

LaSalle Network

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Lemont, Illinois, USA

Full-time

EDI Integrations Developer We are seeking a highly skilled EDI (Electronic Data Interchange) Integrations Developer to join our IT team. The ideal candidate will be responsible for designing, developing, implementing, and maintaining EDI systems and integrations. You will work closely with business partners, clients, and internal teams to ensure seamless data exchange across various platforms, with a specific focus on common EDI transactions such as 940, 945, 944, 847, 990, and the use of Cleo I
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Posted moments ago

Mainframe Developer

Shakti Solutions

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Remote

Contract

Over 10 Years of experience in Mainframe. Good experience in Cloud. Good experience in API Good to have Healthcare experience. Good Communication skills. Thanks and Regards, Aju Shakti Group IncPhone: Email: Fax:
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Posted 9 days ago | Updated 2 days ago

Guidewire ClaimCenter Developer

NuLeap

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Remote or US

Contract, Third Party

Job Summary (in List Format): - Configure and enhance Guidewire ClaimCenter applications using GOSU and Guidewire Studio - Perform data mapping, migration, conversion, and validation activities - Design, implement, and support SOAP/REST API integrations with third-party systems - Troubleshoot and resolve production issues, documenting solutions - Collaborate with business analysts, architects, and QA teams throughout the software development lifecycle - Utilize 3 5+ years of hands-on experi
Posted 6 days ago

Data Architect

Wilco Source, LLC

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Remote

Contract, Third Party

Tools: SSIS, SQL, Salesforce, APIs, MuleSoft(Optional) Job Summary: We are looking for a hands-on Data Developer to support the data migration and integration between a legacy Salesforce Service Cloud org and a new Salesforce Health Cloud org. The role involves building and testing ETL pipelines, performing data transformations, validating data quality, and resolving data-related issues using SSIS. Key Responsibilities: Build, configure, and maintain data pipelines using SSIS for migrating data
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Posted 2 hours ago

Test Lead with Python

KCI, LLC

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Remote

Full-time

Not open for 3rd party, no visa sponsorship. This job is fully remote and open to only Tecnical testing leads with PYTHON programming experience. Software Engineer 4 - Test Lead (with PYTHON) Technical Testing Lead - iGridMinimum of 3-5 years of software development in test (SDET) experience in software development area (must have)Python programming experience (must have)Experience in following testing automation genres: micro services, integration & regression, AWS environment & toolsets, kafk
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Posted 4 hours ago

Sr. Qualtrics Engineer - Remote, Rate: As per market

FASTRA LLC

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Remote

Contract

Position: Sr. Qualtrics Engineer Location: Remote Duration: 6+ months with possible extension Rate: As per market Looking For: Optimizes VoC ecosystem by migrating CSAT surveys from InMoment to Qualtrics, standardizing feedback collection across platforms, and ensuring seamless integration with existing systems. Responsibilities: Build, configure, and integrate surveys into the Qualtrics platform.Ensure proper workflows, triggers, and data pipelines for seamless functionality with minimal disrup
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Posted 5 days ago | Updated moments ago

Informatica MDM Technical Consultant

Nasscomm, Inc.

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Remote

Contract

Job Title: Informatica MDM Technical Consultant Location: Hybrid Duration: 3 months Job Description: We are seeking an experienced Informatica MDM Consultant to join our team for a critical project involving the migration of Provider and Account Master domains to the Informatica MDMSaaS on the IDMC Platform. You will be responsible for defining, designing, and implementing a comprehensive Informatica MDM solution. The ideal candidate will have hands-on experience in MDM configuration, integratio
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Posted 6 days ago | Updated 1 day ago