27 api engineer jobs at 17 companies in Ottawa, IL

2mo
Save
Mark Applied
Hide
Sr. Engineer - Oil & Gas
Lisle, Illinois, United States
$90k-$140k/yr OnsiteFull Time
Farnsworth Group
Farnsworth Group: Nationally recognized architectural, engineering, and surveying firm.
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
2w
Save
Mark Applied
Hide
Civil Structural Engineer
Plainfield, Illinois, United States
$88k-$111k/yr OnsiteFull Time
CB&I
CB&I: Designs and constructs energy infrastructure storage and terminal solutions.
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
Save
Mark Applied
Hide
Digital Solutions Engineer/Client Integrations Engineer
West Chicago, Illinois, United States
$73k-$101k/yr OnsiteFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
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
2mo
Save
Mark Applied
Hide
Visual Inspector - API 510/570/653
Joliet, Illinois, United States
$38-$61/hr OnsiteFull Time
Acuren
Acuren: Provider of inspection, NDE, and industrial asset integrity services.
2+ YOEAPI 510/570 certification required; 5–10 years' experience or 2+ years on-site; API 653 or CWI a plus; in-depth knowledge of API 510/570 and ASME; experience supporting petrochemical facility engineers.
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Senior QA Engineer 2, Team Lead - ERP Platform
Wayne or Naperville
HybridFull Time
Frontline Education
Frontline EducationNYSE: ROP: Provides administrative and management software for K-12 school districts.
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
Save
Mark Applied
Hide
.NET Developer - QMS
Aurora, Illinois, United States
$70k-$105k/yr OnsiteFull Time
QT9 Software
QT9 Software: Cloud-based QMS and ERP software for regulated industries.
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
1w
Save
Mark Applied
Hide
AI Solutions Engineer
Lockport, Illinois, United States
$75k-$95k/yr HybridFull Time
Andromeda Technology Solutions
Andromeda Technology Solutions: Provides managed IT and building security services for businesses.
Build internal AI tools and prototypes, work with APIs and MCP servers, connect systems, demonstrate programming and integration experience, and pass drug screen and hands-on testing.
APIs, MCP servers, GitHub
1mo
Save
Mark Applied
Hide
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
IAT Insurance Group
IAT Insurance Group: Provides specialty property and casualty insurance and surety products.
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)
2w
Save
Mark Applied
Hide
Software Engineer (Hybrid) Bolingbrook, IL
Bolingbrook, Illinois, United States
$105k-$108k/yr HybridFull Time
S&S Activewear
S&S Activewear: Wholesale distributor of blank apparel and accessories.
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
1mo
Save
Mark Applied
Hide
Accounting Automation Engineer
Lemont, Illinois, United States
RemoteFull Time
Spotter
Spotter: AI-powered fleet management and trucking logistics software platform.
Experience automating accounting and finance workflows using spreadsheets, SQL, Python or automation platforms; understanding of reconciliations, journal entries, month-end close, AP/payroll; strong analytical and documentation skills.
Microsoft Excel, Google Sheets, SQL, Python, Microsoft Power Query, VBA, Google Apps Script, Zapier, Make, Microsoft Power Automate, APIs
1mo
Save
Mark Applied
Hide
Senior Manager - CRM & Contact Center Engineering
Naperville, Illinois, United States
$146k-$219k/yr HybridFull Time
Oncourse Home Solutions
Oncourse Home Solutions: Provides residential service line protection and home warranty solutions.
7+ YOE4+ Mgmt7+ years engineering experience and 4+ years managing managers; deep Salesforce and Amazon Connect experience; hands-on .NET and integration expertise; AI, API-first, and event-driven architecture experience; bachelor’s or equivalent.
Salesforce, Sales Cloud, Service Cloud, Agentforce, Einstein, Experience Cloud, Amazon Connect, .NET, Apex, LWC, IVR, CTI, Agentforce, Einstein, Lex, Lambda, Kinesis, Contact Lens, Connect Cases, CI/CD, SSO, API
2mo
Save
Mark Applied
Hide
Principal Software Development Engineer (PBM AI Solutions)
Buffalo Grove, Illinois, United States
$144k-$288k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
10+ YOELeading architecture and delivery of cloud-native applications; 5+ years frontend, 5+ years backend, 3+ years AI/GenAI experience; strong leadership in agile environments.
Angular, React, React TypeScript, Python, REST API, CI/CD, AWS, Azure, GCP, BigQuery, Spanner, BigTable, API-first, Microservices
1mo
Save
Mark Applied
Hide
Senior Manager - CRM & Contact Center Engineering
Naperville, Illinois, United States
$146k-$219k/yr HybridFull Time
Oncourse Home Solutions
Oncourse Home Solutions: Provides home protection plans and repair services for homeowners.
7+ YOE4+ MgmtRequires 7+ years of engineering experience, 4+ years leading technical teams, Salesforce and contact center platform expertise, .NET application leadership, integration architecture, and CRM security knowledge.
Salesforce, Sales Cloud, Service Cloud, Agentforce, Einstein, Experience Cloud, Amazon Connect, .NET, Apex, LWC, CI/CD, IVR, Salesforce CTI, APIs, GDPR, CCPA, PCI, HIPAA, AWS, Lex, Lambda, Kinesis, Contact Lens, Connect Cases, ERP, SSO
1w
Save
Mark Applied
Hide
Engineering Manager, Agent Discovery & Commerce Engineering
Bolingbrook, Illinois, United States
$119k-$175k/yr OnsiteFull Time
Ulta Beauty
Ulta BeautyNASDAQ: ULTA: Largest US beauty retailer selling cosmetics and salon services.
8+ YOE5+ MgmtBachelor's or equivalent,8+ years in product/software engineering,5+ years managing technology teams,experience with cloud,APIs,microservices,agile,AI-enabled systems,and delivery to production.
APIs, microservices, SaaS
1d
Save
Mark Applied
Hide
Cloud Solutions Architect / Database Engineer / AI Platform Architect (Illinois , Aurora )
Aurora, Illinois, United States
$150k-$180k/yr OnsiteFull Time
ABCO Maintenance
ABCO Maintenance: Provides commercial facility maintenance and repair services.
Deep expertise in cloud architecture, C#/.NET, SQL Server, REST APIs, security, authentication, Azure or AWS, integrations, and production AI/LLM architecture; hands-on enterprise AI application experience required.
C#, .NET, SQL Server, RESTful APIs, ASP.NET Core, OAuth 2.0, OpenID Connect, JWT, SSO, RBAC, SSL/TLS, CI/CD, OpenAI, Azure OpenAI, Anthropic, Google AI, Large Language Model (LLM), Retrieval-Augmented Generation (RAG), ETL
3mo
Save
Mark Applied
Hide
Postdoctoral Appointee - Building Agentic AI Platform for X-ray Science
Lemont, Illinois, United States
$73k-$121k/yr OnsiteFull Time, Contract
Argonne National Laboratory
Argonne National Laboratory: Conducts scientific research and develops advanced energy technologies.
0+ YOEPhD within 5 years in computational chemistry, chemistry, materials science, physics, computational science, computer science, engineering, or related field; strong computational chemistry; experience with DFT codes; Python and ML; familiarity with LLMs and web/API development; X-ray spectroscopy knowledge preferred.
VASP, Quantum ESPRESSO, CP2K, ABINIT, GPAW, Gaussian, ORCA, Q-Chem, Python, PyTorch, FastAPI, Flask, numpy, pandas, scikit-learn, LLM APIs, agent frameworks, FEFF, OCEAN, FDMNES, XSpectra, Argonne-specific tools
1w
Save
Mark Applied
Hide
Technical Architect
Oswego, Illinois, United States
$150k-$175k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOEExtensive Adobe Experience Cloud and cloud platform expertise, strong software engineering background (Java/Python/JavaScript/TypeScript), CI/CD and DevOps experience, integration and security knowledge, and 8+ years of experience.
Adobe Experience Manager (AEM), Adobe Analytics, Adobe Journey Optimizer (AJO), Adobe Real-Time CDP, Adobe Target, AWS, Microsoft Azure, Google Cloud Platform, Java, Python, JavaScript, TypeScript, Adobe Cloud Manager, Jenkins, Snowflake, BigQuery, APIs, CI/CD