API Jobs in Illinois

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Senior API Developer

Midland States Bank

•

Rockford, Illinois, USA

Full-time

Position Title: Senior API Developer Locations: Rockford_IL Time Type: Full time Req ID: JR1014-Rockford_IL At Midland, we're proud to be a little different. You can see it in our bright orange signs-but there's more to it than that. With our heartfelt and personalized approach, we're focused on meeting every customer's needs with the brightest solutions. For more than 140 years, we've learned by serving customers skillfully with dedication and follow-through, we can brighten every interaction
Posted 11 days ago | Updated 5 hours ago

Senior API Developer

Midland States Bank

•

Effingham, Illinois, USA

Full-time

Position Title: Senior API Developer Locations: Effingham_IL Time Type: Full time Req ID: JR1014-Effingham_IL At Midland, we're proud to be a little different. You can see it in our bright orange signs-but there's more to it than that. With our heartfelt and personalized approach, we're focused on meeting every customer's needs with the brightest solutions. For more than 140 years, we've learned by serving customers skillfully with dedication and follow-through, we can brighten every interactio
Posted 11 days ago | Updated 5 hours ago

Gloo Envoy API Gateway Lead Developer /Architect

Intelliswift Software Inc

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Remote or Alpharetta, Georgia, USA

Full-time

Must Have skills: Gloo Gateway Any other Envoy-based API Gateway Experience Java Programming React Kubernetes & Container Orchestration Microservices GitOps & Configuration Management JD: Job Title: Gloo Envoy API Gateway Lead Developer /Architect Position Overview: We are seeking a talented and motivated Developer to join our team in building a new API Gateway Platform. The ideal candidate will have experience in developing self-service tools and abstractions for onboarding new APIs, as well as
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Posted 17 days ago | Updated 2 days ago

Technical Delivery Owner/Scrum Master with REST API Testing Remote

Aventine software

•

Remote

Third Party, Contract

Sr Technical Delivery Owner/Scrum Master with REST API Testing Background of QA Testing Location: Remote Role C2C Contract Role Job Summary The Technical Delivery Owner (TDO) is accountable for the delivery of commerce features within the Digital Commerce Domain. The Technical Delivery Manager owns solution delivery and is ultimately responsible for project leadership, management, quality, and timely/cost-effective delivery. The TDO works effectively with multiple stakeholders and applies custo
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Posted 1 day ago | Updated 1 day ago

Senior Software Engineer, API Infra

Airbnb

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Remote

Full-time

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: The Core Services team provides common application building blocks that are widely applicable across Airbnb
Posted 25 days ago | Updated 10 hours ago

API Integration Architect

TechDigital Corporation

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Remote or Santa Clara, California, USA

Contract, Third Party

As an API Integration Architect the resource should be architecting, designing, and implementing API solutions across various industries. Should be able adept at leveraging cloud technologies, microservices architecture, and best practices in API management to deliver robust and scalable solutions. 12+ year 7-10 years of designing, developing, and implementing API solutions across various industries. Adept at leveraging cloud technologies, microservices architecture, and best practices in API m
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Posted 16 days ago

Remote Golang API Software Engineer

Kforce Technology Staffing

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Remote or Santa Barbara, California, USA

Full-time

RESPONSIBILITIES: Kforce has a client in need of a Remote Golang API Software Engineer. Responsibilities: * Design, develop, and maintain scalable backend systems and services * Write clean, efficient, and well-documented code from concept through production * Collaborate with cross-functional teams to deliver secure, performant, and reliable software * Contribute to architectural decisions and platform strategy * Build tools and services for data movement and API integrations using Golang * P
Posted 3 days ago | Updated 3 hours ago

Node.js Lead (API)

Photon

•

Remote or Dallas, Texas, USA

Full-time, Third Party

Hello, Hope you are doing well, Myself Mankar from Photon and I have a position with our direct client, please send me your updated resume if you are interested Node.js Lead (API) Dallas, TX - Onsite/Remote Key Responsibilities: Lead Node.js API Development: Design, implement, and optimize scalable RESTful APIs using Node.js and Express.js (or similar frameworks).Architect API systems for maximum scalability, resilience, and performance.Ensure that APIs are modular, reusable, and easy to mainta
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Posted 9 days ago | Updated 2 days ago

API Operations Consultant

Information Technology Group

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Remote

Contract

3 Positions: API Operations Consultant Could the duration be extended? Yes, possibly it depends on demand Is there potential for permanent hire? Yes Is specific industry experience required? Not an absolute, but highly preferred to have insurance domain experience JOB DESCRIPTION: Please review the job description in Fieldglass. If your job differs, please provide an accurate and complete job description. Please take time to review the job description in FG and highlight the differences below:
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Posted 19 days ago

QE API Automation test Lead (Need only locals of Chicago)

StarTechs Inc.

•

Chicago, Illinois, USA

Contract, Third Party

Min 10+ years of experience with Automation and Manual testing wiht min 2 years of Test lead expertiseStrong API testing skills with functional and automation (REST/Postman)Able to Analyze requirementsPrepare Test Plans, Testing requirementsGood at interaction with Business Teams if any clarifications and work with offshore functional and automation leads to drive the testingReview Test Strategy/Test Plan/Test CasesPerform Sanity / Functional / Regression Testing and report the consolidated test
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Posted 15 days ago | Updated 3 days ago

Node.JS Lead With API

Photon

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Remote

Full-time

Job Title: Node.JS Lead With API Location: Remote Duration: Longterm Minimum - 12 plus years Minimum Key Responsibilities: Lead Node.js API Development:Design, implement, and optimize scalable RESTful APIs using Node.js and Express.js (or similar frameworks).Architect API systems for maximum scalability, resilience, and performance.Ensure that APIs are modular, reusable, and easy to maintain.Integrate with third-party services, databases, and other internal systems.Resilience Engineering:Apply
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Posted 2 days ago | Updated 2 days ago

Job Opening for Senior AWS API Developer (TypeScript / JavaScript) at Portsmouth, New Hampshire

Sysmind, LLC

•

Illinois, USA

Contract, Third Party

Hi My name is Sam and I work as a US IT recruiter with Sysmind. We have been serving fortune 500 clients in the Industry to bridge their staffing gap since the past 25 years. I have a position where your profile would be a perfect match. Please let me know when would be a good time to get connected over a short call to discuss this opportunity in detail. You can reach out to me at for a detailed conversation OR references for the same would be highly appreciated. JOB DESCRIPTION: Job Title: S
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Posted 60+ days ago | Updated 1 day ago

Platform Business Analyst (SQL/Snowflake/API)

AFLAC

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Remote

Full-time

Salary Range: $81,000 - $115,000 Job Posting End Date: July 31, 2025 We've Got You Under Our Wing We are the duck. We develop and empower our people, cultivate relationships, give back to our community, and celebrate every success along the way. We do it all The Aflac Way . Aflac, a Fortune 500 company, is an industry leader in voluntary insurance products that pay cash directly to policyholders and one of America's best-known brands. Aflac has been recognized as Fortune's 50 Best Workplaces f
Posted 15 days ago | Updated 7 hours ago

Java Lead API Developer

Laiba Technologies LLC

•

Lisle, Illinois, USA

Contract

Lead API Developer - eCommerce VIN Parts Catalog Location- [Lisle, IL, 60532] Day 1 onsite Open for both Subcon and FTE Role Overview We are seeking a highly skilled and hands on Lead Developer to drive the design and implementation of APIs for our VIN based parts catalog. This role will lead the technical development of a modular, scalable, and secure eCommerce platform, integrating with Azure API Management (APIM) and leveraging the existing architecture and Java based backend systems. Key Res
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Posted 3 days ago

API & Kafka Automation Engineer (Python Backend)

Nous Infosystems

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Remote

Contract

Job Title: API & Kafka Automation Engineer (Python Backend) NYC - Remote Job Description: We are seeking an Automation Engineer with expertise in API testing, Kafka, and Python backend development. The role involves building automated test frameworks, validating Kafka data streams, and ensuring the performance and reliability of APIs and backend systems. Key Skills: Strong experience in API automation and Kafka (producers/consumers).Proficient in Python for scripting and backend logic.Hands-on w
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Posted 9 days ago

Lead Software Engineer - Backend & APIs

ADDSOURCE

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Remote or US

Third Party

Title: Lead Software Engineer - Backend & APIs Position Type: Contract Location: Remote across USA/ Canada Location: Canada (Ideal) but also open for USA candidates too. Highlights/Mandatory: An expert in designing and scaling distributed, event-driven backend architectures using TypeScript, NestJS, and PostgreSQL. Extensive experience designing and optimizing PostgreSQL schemas and queries. Mastery of ORM tools (TypeORM, Prisma) and event-driven programming (Kafka, RabbitMQ, or similar). Stro
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Posted 30 days ago | Updated 1 hour ago

QA Automation - API & Kafka Automation Engineer (Python Backend) W2 Contract

CogniSoft Technologies

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Remote

Contract

Job Title: QA Automation - API & Kafka Automation Engineer (Python Backend)Locations: REMOTE (NYC Candidate should follow EST Time) Job Description:We are seeking an Automation Engineer with expertise in API testing, Kafka, and Python backend development. The role involves building automated test frameworks, validating Kafka data streams, and ensuring the performance and reliability of APIs and backend systems. Key Skills:Strong experience in API automation and Kafka (producers/consumers).Profic
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Posted 3 days ago | Updated 1 day ago

Senior Business Analyst ( API OR CRM)

IT Associates, Inc.

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Chicago, Illinois, USA

Third Party, Contract

Sr. Business Analyst ( API / CRM) 6-12+ Month ContractLocation - Rosemont, IL (must be able to be onsite 2-4 times a month)Experience with (API or CRM) based projectsProficiency in SQL-Proficiency in data analysis, with a solid understanding of relational databases, data management, and solid SQL skills.No. of Openings - 2Our client is looking to add a Sr Business Analyst drives change by collaborating with business stakeholders and technology teams to deliver impactful solutions. The role invol
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Posted 60+ days ago | Updated 16 days ago

Remote Cybersecurity Engineer (API/Web App Security)

Software Guidance & Assistance

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Remote or Jacksonville, Florida, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Remote Cybersecurity Engineer (API/Web App Security) for a CONTRACT assignment with one of our premier Healthcare Services clients for a Remote position. Top Skills Needed: Azure/Entra ID Scripting (Powershell or Python) API Security frameworks OWASP top 10 Responsibilities: We are seeking an experienced Cyber Security Engineer to join our team, responsible for ensuring the security of our applications and APIs. This role w
Posted 30 days ago | Updated 7 hours ago

Sr. C#/.NET Integration Engineer (Apache NiFi/FHIR API's)

ConsultNet, LLC

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Remote or Dallas, Texas, USA

Full-time

Sr. C#/.NET Integration Engineer (Apache NiFi/FHIR API's) Remote (MST, Central or Eastern Time Zone) 6-12-month Contract or Contract to Hire Pay Rate: 75-80/hr A rapidly growing technology-driven organization focused on streamlining how sensitive records are managed, processed, and shared. They specialize in transforming manual, compliance-heavy workflows into secure, efficient digital solutions-helping clients improve access, accuracy, and overall operational performance across regulated env
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Posted 26 days ago | Updated 9 hours ago