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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # AI Backend Platform Engineer - **Company:** Cornerstone Barricades - **Location:** St. Louis, MO, United States - **Experience:** Expert - **Salary:** $108,160.0 - $114,400.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Artificial Intelligence, Amazon Web Services, Amazon S3, User Authentication, Code Review, Continuous Integration, Distributed Systems, Identity and Access Management, Python (Programming Language), Knowledge Management, Node.Js, OAuth, Open Web Application Security, Software Architecture, Secure Coding, TypeScript, Openapi, Data Logging, Grafana, Software Security, Backend, Git, Event Driven Architecture, Deployment Automation, Restful APIs, Amazon Simple Queue Service (SQS), Terraform, Serverless Computing - **Published:** August 28, 2026 - **Apply:** https://zipstaff.betterteam.com/senior-ai-backend-platform-engineer/apply/standard ## About the Role * 5+ years of professional software engineering experience with a proven track record of shipping enterprise-grade production software. * Strong hands-on 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. * Ability to work on-site in St. Louis, MO. * Must be legally authorized to work in the United States without sponsorship now or in the future. Preferred Qualifications: * 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. ## Description ZipStaff is seeking a Senior Backend Engineer to design, build, and support the backend services that power enterprise AI and knowledge management platforms for a major energy and utilities organization. You will primarily work on a proprietary Content Management System (CMS) built with Node.js and TypeScript, while also contributing to Python-based services that support AI capabilities. This role focuses on scalable APIs, cloud-native services, and the systems that enable secure access to enterprise knowledge. What You'll Do: * Design, build, deploy, monitor, and support production backend 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. ## Related Videos - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [For the REST of us: API First and Conway’s Law](https://www.wearedevelopers.com/videos/1932-for-the-rest-of-us-api-first-and-conway-s-law) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [From Prototype to Production: Build AI Agents with This Free 4-Course Learning Path](https://www.wearedevelopers.com/magazine/655-from-prototype-to-production-build-ai-agents-with-this-free-4-course-learning-path) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix)