Senior AI Backend Platform Engineer

Codetech•Saint Louis, MO

About The Position

Design, build, and support backend services that power enterprise AI and knowledge management platforms. The role primarily works on a proprietary Content Management System (CMS) built with Node.js and TypeScript, while contributing to Python-based services that support AI capabilities. It focuses on scalable APIs, cloud-native services, and systems that enable secure access to enterprise knowledge. The engineer designs, builds, deploys, monitors, and supports production services; develops REST APIs for content management, retrieval, and integrations; enhances the CMS; and contributes to AI services. The role also involves building reusable services and patterns, reviewing code, improving production systems, partnering across engineering and product teams, and maintaining technical documentation and API specifications.

Requirements

  • 5+ years of professional software engineering experience.
  • Proven track record of shipping enterprise-grade production software.
  • Strong experience with Node.js and TypeScript.
  • Experience designing and supporting REST APIs and backend services.
  • Experience with AWS in production environments.
  • Working knowledge of Python and willingness to contribute when needed.
  • Strong understanding of software architecture, system design, and distributed systems.
  • Experience with Git, code reviews, and modern development practices.
  • Understanding of CI/CD and automated deployment pipelines.
  • Experience implementing logging, monitoring, and observability solutions.
  • Knowledge of secure coding practices, API security, authentication, and OWASP fundamentals.
  • Experience working within Agile development teams.

Nice To Haves

  • Experience with content management, document processing, or knowledge management platforms.
  • Experience supporting RAG or AI-enabled applications.
  • Experience with AWS services such as Lambda, ECS, SQS, and S3.
  • Experience with Terraform and Infrastructure as Code.
  • Experience with OpenTelemetry, Grafana, or similar observability platforms.
  • Experience designing event-driven architectures.
  • Familiarity with OAuth, IAM, and modern authentication patterns.
  • Experience working in highly regulated or security-conscious environments.
  • AWS certifications.

Responsibilities

  • Design, build, deploy, monitor, and support production services.
  • Develop and maintain REST APIs for content management, retrieval, and integrations.
  • Enhance a CMS platform built with Node.js and TypeScript.
  • Contribute to Python-based services supporting AI applications.
  • Build reusable services and patterns that improve scalability and developer productivity.
  • Review code and promote engineering best practices.
  • Monitor, troubleshoot, and improve production systems.
  • Partner with AI engineers, architects, and product teams to deliver secure, reliable solutions.
  • Create and maintain technical documentation and API specifications.
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