Software Engineering SMTS

About Salesforce

Salesforce is the #1 AI CRM, where humans with agents drive customer success together. Here, ambition meets action. Tech meets trust. And innovation isn't a buzzword - it's a way of life. The world of work as we know it is changing and we're looking for Trailblazers who are passionate about bettering business and the world through AI, driving innovation, and keeping Salesforce's core values at the heart of it all.

The Experience Library team is part of the Digital Marketing Technology organization  build and own a content authoring and rendering platform that powers marketing pages across  Our platform enables marketing teams to create high-quality, localized, and performant web experiences at scale, powering some of the highest-traffic pages in the Salesforce digital ecosystem. We work across the full stack with a strong frontend focus;

building modular blade component libraries, Word Press integrations, and a robust rendering layer that serves global audiences.

We are looking for a Senior Member of Technical Staff (SMTS) to join the Experience Library team as a senior frontend-focused full-stack engineer. In this role, you will be a key technical contributor and domain expert on the Page Builder platform; designing and building high-quality, scalable frontend components, collaborating closely with Product and UX, and helping elevate the engineering practices of the team.

• Design, build, and maintain high-quality, production-grade frontend and full-stack features for the Page Builder platform, leveraging modern web technologies including JavaScript/Type Script, React, HTML5, CSS3, and Node.js.
• Serve as a subject matter expert (SME) for one or more domains within the Page Builder platform; including the blade components library, CMS integration, or rendering pipelines.
• Build and ship modular, reusable, and accessible UI components that power  marketing pages at scale.
• Take ownership of features from design through execution; writing design specs, defining test strategies, and delivering code that meets quality, performance, and observability standards.
• Actively integrate AI tools (e.g., Agentforce, Slackbot, Cursor, Claude, Codex) into your engineering workflow to accelerate development and help up-level the team's use of AI.
• Collaborate closely with Product Managers, UX Designers, Principal Engineers, Architects and cross-functional engineering teams to define requirements and deliver exceptional digital experiences.
• Mentor AMTS and MTS team members through pair programming, code reviews, and knowledge-sharing.
• Contribute to code reviews, proactively monitor features in production, and champion engineering best practices and quality standards.
• Help manage delivery complexity: slice stories and epics, define tasks, and expose dependencies and risks during sprint planning.
• Present designs to internal groups and contribute to internal retrospectives, playbooks, and documentation.

• 5+ years of professional software development experience, with a strong focus on frontend and full-stack web development.
• Strong proficiency in JavaScript (ES6+) and Type Script, with hands‑on experience with modern frontend frameworks (React preferred; Vue, Angular, or Ember also considered).
• Solid experience with HTML5, CSS3, and CSS frameworks such as Sass or Tailwind.
• Experience with Node.js and building backend services that support frontend experiences (BFF pattern a plus).
• Experience working with Content Management Systems, particularly Word Press and/or Contentful, and understanding of how CMS-driven content flows into frontend rendering pipelines.
• Proven experience building scalable, performant web applications on public cloud infrastructure (AWS preferred; GCP or Azure also considered).
• Experience consuming RESTful and/or GraphQL APIs, with a solid understanding of API design and best practices.