Senior AI Platform Backend Engineer #26-21439

Us Tech Solutions; St. Louis (MO); On-site; USD 96,000 - 114,000; Full time

Job summary

US Tech Solutions is seeking a Senior Backend Engineer in St. Louis, MO to design, build, and support backend services powering enterprise AI and knowledge management platforms.

You will mainly work on a CMS built with Node.js and TypeScript while contributing to Python-based services supporting AI capabilities. Focus areas include scalable APIs, cloud-native services, and secure access to enterprise knowledge.

Qualifications

• 5+ years of professional software engineering experience.
• Proven track record 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.

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.

Skills

Node.js

TypeScript

REST APIs

AWS

Python

Software architecture

Distributed systems

Git

CI/CD

Observability

Security best practices

Agile

Job description

$70-$83 per hour

St. Louis, MO

Contract

Duration: 6 Months Contract possible extension but not intended to convert.

Job Summary:

• We are looking for a Senior Backend Engineer to design, build, and support the backend services that power our enterprise AI and knowledge management platforms.

• You will primarily work on a proprietary Content Management System (CMS) built with Node.js and TypeScript while 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 Will Do

• 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.

Required Skills

• 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 Have

• 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.

Mindset

• Passionate about software quality, reliability, and maintainability.

• Takes ownership of production systems and outcomes.

• Focuses on building scalable, long-term solutions.

• Pragmatic problem solver who balances quality with delivery.

• Collaborative teammate who works well across engineering disciplines.

• Continuously learns and adapts to new technologies.

• Proactively improves systems, processes, and developer experience.

About US Tech Solutions:

US Tech Solutions is a global staff augmentation firm providing a wide range of talent on-demand and total workforce solutions. To know more about US Tech Solutions, please visit www.ustechsolutions.com (http://www.ustechsolutionsinc.com/)

US Tech Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

AI Statement: By applying, you acknowledge that AI-assisted tools may be used during hiring.

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