6 api developer jobs at 3 companies in Mendota, IL
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.NET Developer - QMS
Aurora, Illinois, United States
$70k-$105k/yrOnsiteFull Time
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
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.
CB&I: Designs and constructs energy infrastructure storage and terminal solutions.
15+ YOEBachelors or Masters in civil/structural engineering, 14–15+ years LT&C/tank structural experience, PE registration in at least one state, familiarity with AISC/ASCE/IBC/API/ACI codes, Microsoft Office proficiency.
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
CB&I: Designs and constructs energy infrastructure storage and terminal solutions.
6+ YOEBachelor's or Master's in civil/structural engineering, 6+ years LT&C tank engineering experience, familiarity with AISC/ASCE/IBC/API/ACI codes, PE in at least one state, Microsoft Office proficiency, strong communication skills.
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