9 api developer jobs at 7 companies in Creve Coeur, IL
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Senior API Integration Developer
Bloomington, Illinois, United States
$113k-$156k/yrHybridFull Time
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.
State Farm: Provider of auto, home, life, and health insurance.
Design and productionize LLM-powered applications, RAG/agent pipelines, cloud-native AI (AWS), API development (Python/TypeScript), prompt engineering, Git, and AI governance experience.
8+ YOE8+ years software development experience; strong C#/.NET full‑stack skills with Blazor, REST APIs, microservices; experience with MongoDB, Microsoft SQL Server, Kafka, Git, CI/CD and AI-assisted development tools.
C#, .NET, Blazor, Razor, HTML5, CSS3, JavaScript, MongoDB, Microsoft SQL Server, Kafka, Git, CI/CD, GitHub Copilot, ChatGPT, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG)
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOEAdobe Workfront and Fusion developer with Adobe Workfront certification, strong API and Java skills, 7+ years Workfront experience, Bachelor's in Computer Science, ability to gather requirements and deliver workflows, templates and automation.
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yrHybridFull Time
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
State Farm: Provider of auto, home, life, and health insurance.
Proficiency in Go or Python, Docker/Kubernetes, Git, API design, infrastructure concepts; mentor engineers and independently deliver proofs-of-concept and innovative solutions.
CaterpillarNYSE: CAT: Manufactures construction equipment, mining machinery, and industrial engines.
Design and improve controls for production equipment, develop/modify PLC and ladder logic, deploy IIoT and API integrations, lead automation projects; degree or equivalent experience desired; up to 40% travel; drug screen required.
Rivian and Volkswagen Group Technologies: A joint venture developing software, connectivity, and cloud solutions for electric vehicles.
7+ YOE7+ years full-stack development; frontend with React and TypeScript; backend experience in Golang/Node.js/Python; RESTful API design; SQL/NoSQL; cloud (AWS/Azure/GCP); stream processing and message queues (Kafka, NATS, RabbitMQ); Agile experience.