49 api engineer jobs at 29 companies in Creston, IL
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Sr. Engineer - Oil & Gas
Lisle, Illinois, United States
$90k-$140k/yr OnsiteFull Time
10+ YOEBS in Civil, Mechanical, Chemical, Electrical or Petroleum Engineering; 5-15 years in oil/gas engineering; 3+ years PM experience; knowledge of DOT/API/ANSI/ASME; travel willingness; MS Office proficiency.
Word, Excel, PowerPoint, MS Project
1mo
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Sr Engineer Process
Downers Grove, Illinois, United States
$148k-$170k/yr OnsiteFull Time
15+ YOEBachelor's in chemical or mechanical engineering, 15+ years process engineering experience in power/energy/chemical industries, ASME/API knowledge, H&MB and hydraulic analysis, proficient with AspenTech or Thermoflow; PE preferred.
AspenTech, Thermoflow
3w
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Application Engineer - Automation
Hanover Park or Indianapolis
$75k/yr FieldFull Time
5+ YOEBachelor's degree required, 5+ years in distribution/material handling, knowledge of AGV/VLM/ASRS, API and PLC controls, Microsoft Office, strong communication and project skills.
API, PLC, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Microsoft Word
2w
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Civil Structural Engineer
Plainfield, Illinois, United States
$88k-$111k/yr OnsiteFull Time
0+ YOEBachelor's or Master's in civil structural engineering, 0+ years industry experience, understanding of AISC/ASCE/IBC/API/ACI codes, strong communication skills, ability to obtain PE license.
1mo
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Digital Solutions Engineer/Client Integrations Engineer
West Chicago, Illinois, United States
$73k-$101k/yr OnsiteFull Time
4+ YOE4+ years hands‑on experience with Adobe platforms (AEM, Workfront); strong integrations and automation experience (Workfront Fusion, Adobe APIs); production troubleshooting and configuration skills required.
Adobe Experience Manager (AEM), Adobe Workfront, Adobe Journey Optimizer (AJO), Adobe Campaign, Workfront Fusion, Adobe APIs, REST, Adobe I/O, Adobe Experience Platform (AEP), Databricks, Snowflake
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
1mo
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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
1w
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Senior QA Engineer 2, Team Lead - ERP Platform
Wayne or Naperville
HybridFull Time
7+ YOE2+ Mgmt7+ years QA experience with hands-on test automation, 2+ years leading QA, experience with web apps, API and performance testing, strong SQL, and demonstrated use of AI to improve QA.
Playwright, Selenium/WebDriver, Cucumber, REST Assured, TestNG, Serenity, JMeter, k6, Gatling, Postman, SQL, Lambda, API Gateway, SQS, SNS, RDS, OpenAI
1mo
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.NET Developer - QMS
Aurora, Illinois, United States
$70k-$105k/yr OnsiteFull Time
1+ YOEMust have .NET experience with C#, ASP.NET MVC/Web Forms, Web API, and SQL Server; Bachelor's degree in Computer Science/Engineering; 1+ years professional development experience; strong OOP and problem-solving skills.
.NET, C#, ASP.NET MVC, ASP.NET Web Forms, Web API, SQL Server
2d
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Software Engineer
Schaumburg, Illinois, United States
$73k-$130k/yr RemoteFull Time
3+ YOEBachelor's degree in computer science or engineering; 3+ years full-lifecycle software development; 2+ years HTMX; 1+ year Go building services, APIs, and web applications.
Go, HTMX, Microsoft .NET, React, Tailwind, Microsoft Azure, GitHub Copilot, Microsoft 365, Terraform, Helm, Flux, Kubernetes, Splunk, Grafana, Prometheus, Dynatrace, Application Insights, OWASP, HIPAA, MS SQL, PostgreSQL
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Lead Software Engineer
Downers Grove, Illinois, United States
$120k-$130k/yr HybridFull Time
8+ YOE8+ years with Microsoft technology stack (.NET 6/7/8, ASP.NET Core, Web API, EF Core), 5+ years web and SQL Server experience, Azure and CI/CD experience, strong frontend (Angular/React, TypeScript) and observability, bachelor’s degree or equivalent experience.
.NET 6/7/8, ASP.NET Core, Web API, Entity Framework Core, ASP.NET MVC, Angular, React, JavaScript, TypeScript, HTML5, CSS, Microsoft SQL Server, Azure App Service, Azure Functions, Azure SQL, Azure Storage, Application Insights, Azure DevOps, GitHub Actions
1mo
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Senior MES Developer
Hanoi or Hung Yen or Lisle
OnsiteFull Time
6+ YOE6+ years software development (4+ backend) with strong Java 17+/Spring Boot, REST API, high-concurrency transactional systems; experience with Progress/PostgreSQL, Kafka, Angular, observability, performance tuning, and CI/CD tools (Jira, GitLab).
Java 17+, Spring Boot, REST API, Progress, PostgreSQL, Kafka, Angular, TypeScript, Opcenter, Camstar, SAP, WMS, DataHub, Prometheus, Grafana, Playwright, Jira, GitLab
3d
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Software Developer (Onsite - Huntley, IL)
Huntley, Illinois, United States
$60k-$80k/yr OnsiteFull Time
0+ YOEBachelor's degree in a relevant computer field and 0–2 years of software development experience. Requires knowledge of programming, databases, APIs, web services, and testing.
Python, Java, JavaScript, APIs, ERP, HSA, FSA, Microsoft 401k, Roth 401k
1mo
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Lead Software Engineer
Downers Grove, Illinois, United States
$120k-$130k/yr HybridFull Time
8+ YOE8+ years in Microsoft stack engineering (.NET, ASP.NET Core, EF Core), Azure, SQL Server, front-end (Angular/React), CI/CD, automated testing, observability, and leadership/mentoring experience; Bachelor’s in CS or related (or equivalent).
.NET 6, .NET 7, .NET 8, ASP.NET Core, Web API, Entity Framework Core, Angular, React, JavaScript, TypeScript, HTML5, CSS, Microsoft SQL Server, Microsoft Azure, Azure App Service, Azure Functions, Azure SQL, Azure Storage, Application Insights, Azure DevOps, GitHub Actions
2mo
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Android Developer Experience Lead
Holtsville or Lincolnshire or Austin or Kennesaw
$139k-$208k/yr HybridFull Time
10+ YOELead Android Developer Experience; 10+ years with Bachelor's or 7+ years with Advanced Degree; Android platform expertise; API/SDK design; Java and Kotlin proficiency.
Android Studio, Gradle, Java, Kotlin, APIs, SDKs
1mo
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Systems Administrator Engineer - Cloud & Automation
Milwaukee or Kansas City or Rolling Meadows or Naperville or Scottsdale or Raleigh or Jersey City or Newark or Norristown or Plano or Alpharetta or Sarasota or United States
$63k-$138k/yr HybridFull Time
7+ YOE7+ years in cloud, automation, and infrastructure engineering; IaC (Bicep/ARM/Terraform) for Azure; Microsoft Graph API and PowerShell expertise; experience with Azure services, Entra ID, Microsoft 365 automation; US work authorization required.
Bicep, ARM templates, Terraform, Microsoft Graph API, PowerShell, Microsoft Azure Automation, Microsoft Logic Apps, Microsoft Azure Functions, Microsoft Azure, Microsoft Entra ID, Microsoft 365, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Windows Server, Microsoft Active Directory, Group Policy, DNS, DHCP, IIS, Microsoft Fabric, Microsoft Power BI, Git, Azure DevOps, GitHub Actions, Infrastructure as Code (IaC)
1mo
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Full Stack Engineer
Schaumburg, Illinois, United States
$115k-$130k/yr HybridFull Time
2+ YOE2+ years full stack development experience with React, Python, SQL and AWS; ability to read and improve existing codebase, consume/develop REST APIs, and work in a hybrid team environment.
React, Python, SQL, AWS, Athena, S3, DynamoDB, API Gateway, Amplify, CloudFront, Git, TypeScript, REST, Jira
2w
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Software Engineer (Hybrid) Bolingbrook, IL
Bolingbrook, Illinois, United States
$105k-$108k/yr HybridFull Time
3+ YOE3+ years professional C#/.NET experience, UI framework and modern JavaScript/CSS skills, API and SQL proficiency, strong problem-solving and communication.
C#, Microsoft .NET, Razor, Blazor, React, Angular, Vue, JavaScript, CSS, REST, JSON, SQL
2mo
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Automation Engineer (Custom n8n Connector Development)
Schaumburg, Illinois, United States
$130k-$140k/yr HybridFull Time
3+ YOE3+ years JavaScript/TypeScript, 2+ years Node.js (v18.17.0+), API integration experience, familiarity with n8n or similar workflow tools, bachelor’s degree or equivalent, strong problem-solving and communication skills.
JavaScript, TypeScript, Node.js, n8n, Zapier, Make, RESTful APIs, Playwright, Git, npm, yarn, JSON, SQL, NoSQL
5d
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Senior Developer (Informatica P360)
Pittsburgh or Glen View
$82k-$139k/yr RemoteFull Time
5+ YOE5+ years development experience delivering and supporting enterprise solutions; expertise with Location MDM, integrations, data quality, SDLC and Agile; strong communication and technical documentation skills.
Informatica P360, MDM, SDLC, Agile, APIs
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