1,305 api jobs at 578 companies in Illinois

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API Engineer
Scott Air Force Base, Illinois, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
Experienced backend/platform engineer designing, deploying, and operating enterprise API platforms; Java or Python; Docker, Helm, Kubernetes, GitOps; API gateways and cloud (AWS/Azure/GCP); Secret clearance; HS diploma or GED.
Java, Python, Apigee, Gravitee, Kong, AWS API Gateway, Mulesoft, Docker, Helm, Kubernetes, GitOps, HTTP, gRPC, WebSockets, AWS, Azure, GCP, Git, Jenkins, JIRA, Confluence, Nexus, Bitbucket, SQL, Node.js, Groovy, Scala, Spring Cloud, Spring Core, Spring Boot, Spring Data, Kafka, RabbitMQ
1mo
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API Engineer
Scott AFB, Illinois, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
Backend/platform engineering with Java or Python, experience operating API gateways (Apigee, Kong, Mulesoft, AWS API Gateway), DevOps (Docker, Helm, Kubernetes, GitOps), cloud (AWS/Azure/GCP), Git/Jenkins/JIRA, and eligible for Secret clearance; HS diploma/GED required.
Java, Python, Apigee, Gravitee, Kong, AWS API Gateway, Mulesoft, Docker, Helm, Kubernetes, GitOps, HTTP, gRPC, WebSockets, AWS, Azure, GCP, Git, Jenkins, JIRA, Confluence, Nexus, Bitbucket, SQL, Node.js, Groovy, Scala, Spring Cloud, Spring Core, Spring Boot, Spring Data, Kafka, RabbitMQ
3mo
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API Inspector - Chicago, IL
Chicago, Illinois, United States
$50-$60/hr OnsiteFull Time
Mistras Group
Mistras GroupNYSE: MG: Industrial asset protection and non-destructive testing services.
2+ YOEAPI certification(s) and 2+ years of API inspection experience; high school diploma or equivalent; proficient with MS Word and Excel; ability to lift 30 lbs and perform field inspections.
MS Word, MS Excel
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API Postman Tester - 6237166
Arlington or Cleveland or California or Colorado or District of Columbia or Illinois or Minnesota or Maryland or Massachusetts or New York or New Jersey or Washington
$70-$80/hr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
5+ YOE5+ years hands-on Postman experience, API test automation (Postman scripting/Newman), strong API/JSON/REST knowledge, Swagger/OpenAPI familiarity, banking domain experience, and strong analytical and communication skills.
Postman, Newman, Swagger/OpenAPI, JSON
1w
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API Support Analyst I
Chicago, Illinois, United States
$65k-$75k/yr HybridFull Time
Interactive Brokers
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
Provide first-line technical support for API products, communicate technical concepts to clients, troubleshoot integrations, and follow support workflows.
API, FIX
3d
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Principal Engineer API Platform
Minnesota or New York or Texas or Illinois
$144k-$288k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
10+ YOE3+ Mgmt10+ years software engineering with enterprise API design, API security (OAuth2/OIDC/mTLS), API gateways, cloud platforms, Java/Node.js, and experience shaping technical direction across teams.
OAuth 2.0, OIDC, mTLS, Apigee, Kong, Azure APIM, JavaScript, TypeScript, Node.js, React, Java, Spring Boot, GCP, AWS, Azure, GraphQL, Kafka, FHIR, HL7, MCP, CI/CD, LLM
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Director, API & Integrations
Chicago, Illinois, United States
$175k-$205k/yr HybridFull Time
Euromonitor International
Euromonitor International: Provides strategic market research and global business intelligence services.
Proven API/product ownership; technical fluency with REST/GraphQL, OAuth 2.1, SAML/OIDC, webhooks, SDKs and cloud platforms; AI/agent ecosystem familiarity; experience in governance, commercialisation and stakeholder communication.
REST, GraphQL, OAuth 2.1, SAML, OIDC, webhooks, SDKs, AWS, Azure, GCP, Model Context Protocol (MCP), Microsoft Copilot, Claude, ChatGPT, Gemini
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API Inspector 510, 570, 653
Peoria, Illinois, United States
FieldFull Time
PROtect
PROtect: Provides industrial non-destructive testing and safety compliance services.
Required API 510/570/653 certifications, valid driver\u0019s license and insurability, high school diploma/GED, demonstrated NDT experience, ability to lift up to 75 lbs and work at heights.
NDT, magnetic particle, liquid penetrant, ultrasonic
2d
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Senior API Integration Developer
Bloomington, Illinois, United States
$113k-$156k/yr HybridFull Time
COUNTRY Financial
COUNTRY Financial: Provides insurance and financial services for individuals and businesses.
7+ YOE7+ years integration experience with MuleSoft and Azure APIM, strong API design, DataWeave/JSON/XML/SQL skills, CI/CD and production support experience.
Mule 4, Anypoint Platform, CloudHub 2.0, DataWeave, RAML, OpenAPI, REST, SOAP, JSON, XML, SQL, Azure API Management, Azure Functions, Logic Apps, App Services, Service Bus, Key Vault, CI/CD, Git, Splunk, Dynatrace, Azure Monitor, Application Insights, MuleSoft Anypoint Monitoring, MUnit, OAuth 2.0, OpenID Connect, JWT
1mo
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Third Party API - Technical Lead
Hartford or Columbus or Charlotte or Chicago
$135k-$203k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
8+ YOE8+ years software engineering/integration/API experience, 3+ years as a technical lead/product owner, RESTful API design, API gateways and security (OAuth, JWT, mTLS), cloud (AWS preferred), SAFe Agile, AI familiarity, strong communication, US work authorization required.
API gateways, OAuth, JWT, mTLS, AWS, SAFe Agile, AI
4d
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Lead API Support Engineer - 69420501
Blaine or Atlanta or Chicago
$112k-$132k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
Extensive hands-on GCP and Apigee experience, strong API security and integration knowledge, experience with REST APIs, CI/CD and developer portals, excellent communication and problem-solving skills.
Google Cloud Platform (GCP), Apigee Edge, Apigee X, Apigee Hybrid, Apigee Developer Portal, CI/CD
1mo
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Senior API Integration Engineer
Chicago, Illinois, United States
$153k/yr OnsiteFull Time
Prolaio
Prolaio: Providing a clinical intelligence platform for precision cardiology.
5+ YOEBachelor's degree, 5+ years backend experience (2+ years in integrations), strong Kotlin or Python skills, integration architecture and API expertise, GCP/Docker/Kubernetes experience, observability and security/compliance knowledge (SOC2, HIPAA).
Kotlin, Python, RESTful APIs, Google Cloud Platform (GCP), Docker, Kubernetes (k8s), BigQuery, Dagster, Datadog, Prometheus, Grafana, HL7, FHIR, DICOM, NetSuite, SAP, Airflow, Prefect, Superset, Looker
1w
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Lead API Support Engineer - 69420501
Blaine or Atlanta or Chicago
$112k-$132k/yr HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
Extensive hands-on experience with Google Cloud Platform and Apigee, deep API and integration expertise, strong security and troubleshooting skills, and ability to work across distributed teams.
Google Cloud Platform (GCP), Apigee Edge, Apigee X, Apigee Hybrid, Apigee Developer Portals, CI/CD
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Cloud & API Platforms Practice Lead (AVP)
St. Louis or Chicago or Boston or Houston or Dallas or Irvine or Minneapolis or Detroit or Alpharetta or New York City
$150k-$250k/yr OnsiteFull Time
Perficient
Perficient: Provides digital transformation and AI consulting for global enterprises.
10+ YOE5+ Mgmt10–15 years experience with 5+ years leading practices; expertise in Platform API and IBM Cloud solutions, hands-on consulting, GTM strategy, partner/channel relationships, AI delivery knowledge, and willingness to travel.
MuleSoft, Apigee, Boomi, Workato, TIBCO, Terraform, IBM Cloud
2mo
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National Dir Workers' Compensation & API
Downers Grove, Illinois, United States
$159k-$184k/yr RemoteFull Time
ATI Physical Therapy
ATI Physical Therapy: Provider of outpatient physical and occupational therapy services.
10+ YOE10+ years WC/managed care, network strategy, contracting; data-driven; strong leadership in cross-functional teams.
Data analytics, Contracting systems, CRM, Reporting tools
2mo
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National Dir Workers' Compensation & API
Downers Grove, Illinois, United States
$159k-$184k/yr RemoteFull Time
ATI Physical Therapy
ATI Physical Therapy: Provider of outpatient physical therapy and rehabilitation services.
10+ YOEBachelor's in Business or Healthcare Administration; MBA/MHA preferred; 10+ years in WC, healthcare, or managed care; strong leadership and cross-functional collaboration.
1mo
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Software Engineer, API
Chicago, Illinois, United States
$108k-$110k/yr HybridFull Time
Supernova Technology
Supernova Technology: Provides cloud-based digital software for securities-based lending.
3+ YOEBachelor's in CS/Engineering, 3+ years software development with API design, experience with Java, Spring Boot, AWS, OAuth/JWT, REST, Git, CI/CD, and testing frameworks.
RESTful Services, OAuth, JWT, Java, Spring Boot, AWS, Git, CI/CD
2w
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API Product Manager
Itasca or United States
$150k-$180k/yr RemoteFull Time
Accertify
Accertify: Provide digital fraud prevention and identity protection software solutions.
5+ YOE5+ years product management experience (fraud, identity, payments, or SaaS); knowledge of RESTful APIs and OAuth/SAML; vendor and data provider management; developer experience and partner integrations.
RESTful APIs, OAuth, SAML, Shopify, Salesforce, Ping Identity
3mo
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Integration Engineer (EDI/API)
Chicago or Marietta or Naperville
$80k-$95k/yr OnsiteFull Time
RXO
RXONYSE: RXO: Provide asset-light transportation and freight brokerage solutions.
1+ YOEBachelor's in IT/MIS/CS; 1 year integrating roles; experience with EDI and API platforms (Apigee, Boomi, IBM Sterling File Gateway, MQ); data transformation (XML, XPATH, XSLT); AS2, SFTP, JMS; cloud (Google Cloud); IPaaS (Boomi, MuleSoft); Sterling Integrator Map Editor preferred.
EDI, API, Apigee, Boomi, IBM Sterling File Gateway, MQ, XML, XPATH, XSLT, AS2, SFTP, JMS, iPaaS, MuleSoft, Google Cloud, Sterling Integrator Map Editor
3mo
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Senior Associate, Software Application and API Developer (St. Charles, Illinois) (St. Charles, IL, US)
St. Charles, Illinois, United States
$153k-$212k/yr HybridFull Time
New York Life
New York Life: Provides life insurance, retirement income, and investment solutions.
7+ YOEBachelor's degree in CS/EE/Math or related field plus 7 years in software development; experience with .NET, REST/SOAP APIs, microservices; VB.NET, ASP.NET, C#, JavaScript, SQL Server; Excel/VBA actuarial models; hybrid work in St. Charles, IL.
VB.NET, ASP.NET, C#, JavaScript, XML, HTML, CSS, REST, SOAP, Swagger, Postman, SOAP UI, SQL Server, .NET