Senior Web Developer​/Designer

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was founded in 1998 on the belief that technology, and data specifically, would empower the transformation of the entire healthcare ecosystem for the better, improving both outcomes and economics. At , we believe that when our customers are successful in their missions, healthcare improves. Therefore, we focus on empowering them with data-driven solutions. And the momentum is building.

Together, as ONE , we are a united force delivering solutions that address healthcare’s greatest needs. Through our mission-based culture of inclusion and innovation, our organization brings value not just to our customers, but to the millions of patients and members they serve.

Overview:

The Senior Web Designer & Developer is a modern AI builder who designs, ships, and maintains the applications, agents, and automations behind 's marketing and digital experiences. The core of the role is production engineering in Python, Type Script, and React, paired with a demonstrated background building agentic systems on frameworks such as CrewAI, Mastra, Lang Graph, and Lang Chain.

Equally important is a strong marketing technology foundation: this person connects what they build to the platforms marketing actually runs on, including marketing automation, CRM, analytics, tag management, and the data moving between them. Word Press remains part of the estate and the person in this seat keeps it healthy and extends it, but the center of gravity is modern application and agent development.

You will partner closely with Marketing to ensure brand aesthetic, voice, and experience are cohesive and consistent across all channels.

Duties and Responsibilities

• Design, build, and ship production AI features and agentic systems, including multi-agent orchestration, tool and function calling, retrieval and RAG patterns, structured output, memory and state management, prompt and context engineering, and human-in-the-loop approval flows.
• Build on modern agentic frameworks such as CrewAI, Mastra, Lang Graph, and Lang Chain, integrate with LLM APIs and MCP servers, and choose the right framework for the problem rather than defaulting to a single one.
• Establish evaluations, tracing, monitoring, and guardrails for AI features and agents so that output quality, accuracy, latency, and cost are measured and improved over time.
• Maintain and extend the internal agent fleet and the applications that depend on it, including internal tools used daily by Marketing and Sales.
• Write production Python: services, APIs, data pipelines, and automations that move data between systems and support internal tooling.
• Build performant, responsive, and accessible front ends in Type Script and React, using Next.js for application, headless, and hybrid architectures.
• Design and implement page layouts, component libraries, maintaining a scalable design system that supports rapid iteration.
• Optimize Core Web Vitals and Lighthouse scores through code splitting, image optimization, critical CSS, caching, CDNs, and server-side performance tuning.
• Set up and maintain CI/CD pipelines and environments where appropriate; manage code reviews, branching, and releases with Git.
• Harden security using least-privilege roles, secret management, WAF/CDN rules, and OWASP Top 10 mitigations; maintain reliable backup and rollback strategies.
• Build and maintain integrations across the marketing technology stack, including marketing automation (Marketo), CRM (Salesforce), GA4, tag management, customer data and data-layer plumbing, and experimentation platforms.
• Instrument campaigns and digital properties so that lead capture, routing, attribution, conversion tracking, and consent behave correctly end to end, and troubleshoot them when they do not.
• Automate marketing operations work that is manual today, applying sound judgment about which steps stay human and where review is required.
• Use AI tools responsibly to accelerate ideation, wire framing, content generation, asset production, and QA, applying sound…