Sr. Web Platform Engineer
$102,000–$130,000 year
Remote · New York, United States or Texas, United States
Job Summary
Senior Web Platform Engineer role owning CMS architecture (ContentStack headless CMS), migrations, and integrations for a regulatory-financial-services marketing tech stack. Responsibilities include CMS architecture and development, web migrations, REST API integrations, data layer and analytics tagging, performance/ accessibility (Core Web Vitals, WCAG 2.1), CI/CD and code standards, collaboration with UX/UI, and guiding front-end work. Emphasizes AI-enabled development, collaboration with designers, and delivering performant, scalable web experiences in a marketing-technology context, with a focus on a headless CMS-first approach and modern frontend technologies (React/Next.js, JavaScript/TypeScript, serverless/edge functions) and experience in fintech or regulated environments.
Required Qualifications
- Minimum of 5 years of professional web development experience
- At least 2 years working in a headless CMS environment
- Bachelor’s degree in Computer Science, Web Development, Information Technology, or a related field; or equivalent professional experience
- Proficiency in JavaScript and TypeScript, with hands-on experience in React and Next.js
- Deep expertise in headless CMS platforms, specifically ContentStack or comparable platforms such as Contentful or Sanity
- Strong command of REST API design, webhook integration, and third-party platform connectivity
- Solid understanding of Git version control, CI/CD pipelines, and modern deployment workflows
- Demonstrated ability to optimize for Core Web Vitals, site performance, and WCAG 2.1 accessibility standards
- Familiarity with Google Tag Manager implementation and data layer configuration for analytics tracking
- Ability to review and provide technical guidance on front-end developer work, including code quality and implementation accuracy
- Comfortable incorporating AI coding tools (GitHub Copilot, Claude, or similar) to accelerate development and improve code quality
- Strong communication skills with the ability to explain technical concepts clearly to non-technical stakeholders
- Node.js back-end experience and familiarity with serverless or edge functions preferred
- Experience with creative web technologies including scroll-driven animation, CSS custom properties at scale, and performance-optimized visual effects
- Familiarity with WebGL, Three.js, or GSAP for technically ambitious interactive experiences preferred
- Demonstrated portfolio of shipped web projects, including live URLs or accessible code repositories
- Proficiency with Git-based version control in a collaborative team environment
- Experience working within Agile or sprint-based development workflows
- Experience working in financial services, fintech, or a regulated industry environment preferred
- Prior experience with ContentStack specifically, including content modeling and entry editor configuration preferred
- Familiarity with TradeStation products and the online brokerage ecosystem preferred
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