Senior Developer (St. Louis)

About the role

The INFOPS Application Development team delivers and supports on-prem and cloud platforms that power our custom application development organization. These highly available platforms support internal users and external customers around the globe. Our team operates in a fast-paced, collaborative environment, emphasizing Platform Engineering best practices, Infrastructure as Code, GitOps, and automation.

Responsibilities

• Full Stack Development
  • Design and build end-to-end full-stack applications using Node.js on the backend and Vue.js on the frontend, delivering cohesive, production-ready features from database to UI.
    • Develop scalable REST/GraphQL APIs and microservices that integrate with platform technologies such as Apache Solr, MongoDB, PostgreSQL, Oracle, and RabbitMQ deployed on Kubernetes.
    • Build and maintain internal libraries and SDKs that simplify consumption of platform services, and refactor existing applications for efficiency, reliability, and maintainability.
    • Lead architecture decisions for new features, ensuring solutions align with Twelve-Factor App principles and WWT best practices.
  • AI-Assisted & Agentic Engineering
    • This role requires comfort working alongside AI-powered tools while maintaining strong engineering judgment, validation, and accountability for outcomes.
    • Sr Developers will contribute to the adoption and continuous improvement of AI-assisted and agentic engineering workflows by providing feedback, identifying opportunities for automation, and safely incorporating AI assistance into repeatable operational patterns.
    • Develop agent-to-agent (A2A) AI workflows or applications.
    • Design, implement, and maintain MCP (Model Context Protocol) servers that expose enterprise data and capabilities to AI agents and LLM-powered workflows.
  • CI/CD & DevOps
    • Own and evolve CI/CD pipelines using GitHub, Jenkins, and Codefresh, from commit hooks through automated testing and production deployment.
    • Develop and maintain deployment orchestration tools and automation workflows on Kubernetes-based platforms (including OpenShift).
    • Drive DevOps improvements: infrastructure-as-code, automated testing, deployment reliability, and monitoring with Prometheus and Grafana.
    • Participate in on-call rotation, monthly maintenance windows, and platform lifecycle tasks to ensure platform reliability.
  • Leadership & Collaboration
    • Mentor mid-level and junior developers, conducting code reviews and sharing architectural knowledge to elevate team capability.
    • Work with customers and stakeholders to understand integration needs and translate business requirements into robust engineering solutions.
    • Collaborate with partner engineering teams to drive efficiencies across the organization and contribute to WWT best practices.
    • Maintain strong documentation and actively contribute to team knowledge sharing.
    • Work effectively in a fast-paced environment with shifting priorities, balancing support work, ad hoc requests, and project deliverables.

Requirements

• Bachelor’s degree in Computer Science, MIS, or related field, or equivalent experience
• 5+ years of professional development experience with a strong full-stack focus
• 5+ years of experience with JavaScript and Node.js, building production APIs, services, and microservices
• 3+ years of experience with Vue.js; component design, state management (Pinia/Vuex), and frontend architecture
• Hands-on experience using AI coding tools (Claude, GitHub Copilot, M365 Copilot, Windsurf) in a professional engineering context
• Experience building or integrating with MCP (Model Context Protocol) servers or similar AI agent integration patterns
• CI/CD and DevOps experience: pipeline authoring, automated testing, deployment automation (GitHub Actions, Jenkins, Codefresh, or equivalent)
• Experience with GitHub, Docker, and Kubernetes
• Familiarity with microservices, Twelve-Factor App principles, and cloud-native development
• Strong test-first mindset with experience in unit, integration, and end-to-end testing
• Ability to analyze requirements and communicate effectively, both verbally and in writing
• Team-oriented with strong work ethic, collaboration skills, and the ability to mentor others
• Strong problem-solving, change management, and technical planning abilities

Pay

$106,400 to $133,000 annually

Schedule

Full-time