TEPSenior Marketing Web Developer

CAS uses intuitive technology, unparalleled scientific content and unmatched human expertise to help companies create groundbreaking innovations that benefit the world. As the scientific information solutions division of the American Chemical Society, CAS manages the largest curated reservoir of scientific knowledge, and for 119 years, has helped innovators mine, assess and apply that information to keep enterprises thriving. The CAS team is global, diverse, endlessly curious and strives to make scientific insights accessible to innovators worldwide.

The senior marketing web developer at CAS administers, optimizes, and evolves the CAS website and web applications to advance business objectives across multiple internal teams. This highly skilled and proficient developer solves complex web issues, determines the approach for new projects, and coordinates the work of outside vendors and agencies. As the web liaison on cross-functional teams, this person consults with marketing leadership to influence decisions, ties web and technology choices to revenue and business outcomes, and champions automation and artificial intelligence to help the marketing organization work smarter and scale.

• Partner with marketing leadership and cross-functional stakeholders to set and evaluate priorities for web initiatives and lead each initiative through launch and measurement.
• Build consensus and buy-in with business cases that tie web, technology, and automation investments to engagement, pipeline, and revenue.
• Identify, evaluate, and implement automation and AI-driven solutions that simplify content and marketing workflows, improve site performance, and scale operations.
• Define the site architecture and build, test, optimize, and maintain a secure, high-performing, accessible website, including routine audits and resolution of complex technical issues across CAS.org and other web properties.
• Determine methods and development standards for new web projects, review the work of contributors, contractors, and agencies, and mentor colleagues and content authors in Webflow and related tools.
• Serve as the web liaison on cross-functional teams, collaborating with designers and content authors, coordinating vendors and agencies, and delivering a consistent, engaging experience for CAS customers.
• Report regularly to team members and leadership on the direction and performance of the website, explaining results and recommending next steps.

• Demonstrated ability to think strategically and deliver complex web initiatives, such as site redesigns or platform migrations, that advance revenue and marketing outcomes.
• Hands-on experience applying automation and artificial intelligence to marketing or web workflows (e.g., AI-assisted content, personalization, chatbots, workflow automation, or AI-powered analytics).
• BA/BS degree in a related field or equivalent combination of education, certifications, and experience in related disciplines.
• Eight or more years of relevant experience, including at least five years designing and developing for a digital-first (and mobile) environment.
• Knowledge of Agile development methodologies and previous experience in a B2B marketing environment.
• Strong technical SEO and web analytics skills, using tools such as Google Analytics, Google Search Console, and Semrush to measure performance and report results to leadership.
• Experience supporting websites offered in multiple languages.
• Experience integrating content management systems (CMS), marketing automation platforms (MAP), and third-party tools, including automations in Zapier, , or similar platforms.
• Excellent written and verbal communication skills, including explaining technical trade-offs to nontechnical audiences, and experience mentoring colleagues and coordinating contractors or agencies.

• A positive, resilient professional who stays solutions-focused when facing challenges, obstacles, and shifting priorities, and helps others adapt when plans change.
• A candid team player who adapts the message to each audience, handles difficult conversations directly and respectfully, and builds strong relationships across marketing, design, and technical teams.
• A curious, versatile problem-solver who willingly steps into other verticals, learns quickly, and continually explores…