116 api developer integration engineer jobs at 82 companies in Oak Park, IL
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Senior Integration Engineer
Chicago, Illinois, United States
OnsiteFull Time
7+ YOE7+ years in application development or integration engineering; expert Workato or iPaaS experience, APIs (REST/SOAP/GraphQL), webhooks, SQL, JavaScript/Python, OAuth, JSON/XML; Bachelor's in CS/IS or equivalent; strong communication and leadership.
Workato, iPaaS, APIs, REST, SOAP, GraphQL, webhooks, OAuth, JSON, XML, SQL, JavaScript, Python, SDKs, Workato formulas, Jira
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ServiceNow Integration Hub Developer
Chicago, Illinois, United States
$85k-$100k/yr OnsiteFull Time
6+ YOE6+ years experience building ServiceNow Integration Hub spokes, Flow Designer, REST/SOAP APIs, OAuth 2.0, Workday/Salesforce/SAP integrations; strong automation and workflow design skills.
ServiceNow, Integration Hub, Flow Designer, scripted REST APIs, REST/SOAP APIs, OAuth 2.0, Workday Web Services, Salesforce, SAP, Azure, AWS
2w
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SAP Integration Suite Engineer
Addison or Plattsburgh or Mary Esther
$88k-$118k/yr HybridFull Time
5+ YOE5+ years enterprise integration experience, 3+ years SAP Integration Suite (CPI) hands-on, strong knowledge of SAP S/4HANA, REST/SOAP/OData, IDoc/RFC/BAPI, XML/JSON/XSLT, API Management; bachelor's degree in CS/IS/Engineering.
SAP Integration Suite, Cloud Integration (CPI), SAP API Management, Event Mesh, SAP Business Technology Platform (BTP), SAP S/4HANA, IDoc, RFC, BAPI, SOAP, REST, OData, XML, JSON, XSLT, JDBC, SFTP, AS2, EDI, Salesforce, ServiceNow, Workday, Azure
2mo
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Sr. AI Integration Engineer
Des Moines or Ashburn or Austin or Chaska or Chicago or Dallas or Lewisville or Kansas City or Nashville or Florida or Georgia or North Carolina or New Jersey or Pennsylvania
HybridFull Time
5+ YOE5+ years in software engineering, systems integration, and AI-enabled workflow delivery; experience with enterprise integrations (ServiceNow, Salesforce), cloud deployments, Python, APIs, and middleware.
Python, JavaScript, TypeScript, Java, C#, APIs, ServiceNow, Salesforce, Kubernetes, Docker, AWS, Azure, GCP, SQL, LangChain, LlamaIndex, Semantic Kernel
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Sr. Staff Engineer, Integration Platforms
Chicago, Illinois, United States
$110k-$130k/yr HybridFull Time
5+ YOE5+ years enterprise integration development; deep MuleSoft Anypoint Platform and CloudHub 2.0 experience; strong REST/SOAP/JSON/XML/DataWeave skills; Azure integration services; CI/CD (Azure DevOps, GitHub); API security (OAuth2, JWT); L2/L3 support.
MuleSoft Anypoint Platform, Anypoint Code Builder, CloudHub 2.0, REST, SOAP, JSON, XML, DataWeave, Anypoint MQ, Azure Service Bus, Azure Data Factory, Databricks, Azure Functions, Azure Logic Apps, Azure API Management, Salesforce, Oracle PeopleSoft, Azure DevOps, GitHub, Kafka, Azure Event Hubs, Azure Key Vault, Azure OpenAI
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Integration Support Engineer
Chicago, Illinois, United States
$90k-$110k/yr RemoteFull Time
3+ YOEBachelor's in CS/IT or equivalent, 3+ years integration/EDI or application support experience, strong EDI (X12, EDIFACT), REST/SOAP APIs, XML/CSV/JSON, integration platforms, troubleshooting and communication skills.
EDI, X12, EDIFACT, REST, SOAP, XML, CSV, JSON, MuleSoft, Dell Boomi, IBM Sterling, Cleo, SAP, Oracle, Microsoft Dynamics, NetSuite, MQ, Kafka, SQL
2mo
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Senior MuleSoft Integration Developer
Chicago, Illinois, United States
$135k-$145k/yr HybridFull Time
5+ YOE5-7 years' MuleSoft integration experience; Oracle Fusion ERP integration; SOA; MuleSoft certification; DevOps and API security knowledge; bachelor's degree; hybrid work flexibility.
MuleSoft, Oracle Fusion Cloud ERP, REST, SOAP, JSON, XML, OAuth, JWT, SAML, Data Weave, API Manager, Anypoint Platform, CI/CD, DevOps
6d
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Senior Integration & Application Development Engineer
Rosemont, Illinois, United States
$123k-$153k/yr OnsiteFull Time
4+ YOE4+ years middleware and integration experience (Oracle SOA, ODI, webMethods), API implementation, Java and Python development, Linux scripting, database support; Bachelor's or HS with extensive experience.
Oracle SOA Suite, Oracle Data Integrator (ODI), webMethods Integration Server, Manhattan IFEE Integration Framework, Weblogic, Oracle Database, Java, Python, Linux Shell Scripting
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Senior Software Engineer - Customer Integrations (API)
United States or New York City or Dallas or Austin or Houston or Chicago or Nashville or Miami or Atlanta
$140k-$160k/yr RemoteFull Time
3+ YOE3+ years building backend services with Go/Java/Python/C#; strong API design, SQL/PostgreSQL, cloud (AWS/Azure/GCP/OCI) and Terraform experience; professional software engineering experience and strong communication/system design skills.
Go, Java, Python, C#, SQL, PostgreSQL, AWS, Azure, GCP, OCI, Terraform
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Engineer-Systems Integr
Aurora, Illinois, United States
$105k-$157k/yr OnsiteFull Time
OSI Group: A global food provider partnering with foodservice and retail brands to deliver concept-to-table solutions.
Design and implement integrations across shop-floor sensors, MES, SCADA, and ERP; production-grade Python, Ignition/SCADA, MQTT, Power BI/SQL, and SAP S/4HANA experience preferred; 5+ years experience preferred.
Python, Ignition, Perspective, SCADA, MES, SafetyChain, MQTT, Banner DXM/DX80, Microsoft Power BI, SQL, Snowflake, SAP S/4HANA, REST API, ERP
1mo
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.NET Developer (Web Apps & APIs) – ERP Integration
Chicago, Illinois, United States
$70k-$85k/yr OnsiteFull Time
Strong C# and .NET/.NET Core experience, building REST APIs and web applications, familiarity with SQL Server and Git, ERP integration experience (Dynamics 365 Business Central) preferred.
C#, .NET, .NET Core, SQL Server, Git, Microsoft Dynamics 365 Business Central, Azure, React, Angular, OAuth, JWT, CI/CD
3d
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Senior Java Developer - Senior Software Engineer
Chicago or Dallas or Columbus or Atlanta or Nashville or Irving
$73k-$174k/yr HybridFull Time
10+ YOE10+ years of software development experience with Java 17+, Spring Boot, REST APIs, microservices, Docker, Kubernetes/OpenShift, CI/CD, Kafka, automated testing, and cloud integrations.
Java, Spring Boot, REST API, Docker, Kubernetes, OpenShift, CI/CD, Kafka, GitHub Actions, OAuth2, JWT, TLS, mTLS, Dynatrace, Splunk, OpenTelemetry
1w
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GTM AI Engineer
Austin or Chicago or New York City or Salt Lake City or San Francisco or United States
$115k-$175k/yr RemoteFull Time
Background in software/data engineering or applied AI, experience shipping AI/LLM tools to production, systems thinking, API and workflow integration experience, strong independent delivery and stakeholder partnership skills.
Gong, Salesforce, APIs, agent frameworks, workflow orchestration, LLM
1w
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Software Engineer - Commerce & Integrations
Lisle, Illinois, United States
$138k-$206k/yr OnsiteFull Time
5+ YOE5+ years backend software engineering with PHP, REST APIs, relational DB design, integrations experience; 1+ year lead experience; strong communication and CI/CD familiarity.
PHP, REST API, MySQL, PostgreSQL, Azure Pipelines, Docker, Kubernetes, AKS, Copilot, Claude Code, Spryker Cloud Commerce OS, Magento, Shopware, BigCommerce, CDK, Procede, Karmak, SAP, EDI, Punchout, cXML, OCI, Azure
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Senior Developer
Columbus or Austin or Chicago or Detroit or Dallas or Houston
$57k-$113k/yr OnsiteFull Time
3+ YOE3+ years Java/J2EE development experience, Bachelor's degree or equivalent, REST API and JavaScript/Dojo proficiency, SQL skills, strong OOP and problem-solving, experience with enterprise integrations.
Java, J2EE, JavaScript, Dojo, SQL, RESTful APIs, IBM FileNet Content Management, IBM Case Manager, IBM BAW, WebSphere Application Server
1mo
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Associate AI Engineer
Chicago, Illinois, United States
$85k-$145k/yr HybridFull Time
1+ YOE1-2 years AI engineering experience; rapid AI prototyping; experience with Python, LLMs, prompt engineering, Claude Code or Cursor; data integration and API work; strong collaboration and documentation skills.
Claude Code, Cursor, Python, LLMs, APIs
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Senior Software Engineer
Andover or Boston or New York or Chicago or Menlo Park or Manchester or London or Tokyo
$140k/yr OnsiteFull Time
6+ YOE6+ years building production applications; experience with JavaScript/Node.js and/or Python, PostgreSQL/MySQL, AWS, API integrations, full-stack development, modern/AI-assisted dev tools; authorized to work in the US.
Javascript, Node.js, Python, PostgreSQL, MySQL, AWS, AI-assisted development tools, NetSuite APIs, APIs
4d
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Software Engineer
Chicago or Peoria or Irving
$89k-$145k/yr OnsiteFull Time
0+ YOEBachelor’s degree or higher in computer science, software engineering, or related field preferred; 0–2 years relevant experience, GPA 3.0 minimum, and skills in software development, testing, integration, and architecture.
Java, JavaScript, Python, Spring Boot, React, SQL, API, Cloud Platforms, Generative AI
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Integrations Software Engineer
Ghent or London or Chicago
HybridFull Time
2+ YOE2+ years software engineering or systems integration experience; strong API knowledge (REST, GraphQL), data formats (JSON, XML); experience with Python, Django, GraphQL, K8s, React/React Native, Google Cloud; strong communication and stakeholder management.
APIs, REST, GraphQL, JSON, XML, Python, Django, K8s, React, React Native, Google Cloud
5d
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Senior Software Engineer
Chicago or San Francisco
$160k-$180k/yr OnsiteFull Time
3+ YOEBachelor's or Master's in CS/Engineering or equivalent,3+ years software engineering experience,proficiency with LLM APIs,agent systems,RAG,production deployments,enterprise API integrations,strong communication,US work authorization.
LLM APIs, CI/CD
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