> Markdown version of [/jobs/ext/4605797-senior-web-software-engineer](https://www.wearedevelopers.com/jobs/ext/4605797-senior-web-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Web Software Engineer - **Company:** Step, Inc. - **Location:** San Mateo, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Computer Animation, Cascading Style Sheets (CSS), Software Quality, Web Development, Mobile Application Software, Software Engineering, Web Applications, Three.js, ReactJS, Front End Software Development - **Published:** November 6, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-web-software-engineer-san-mateo-ca--370f343a-3343-4303-bb9e-2f904ddfcb7a ## About the Role Software Engineering, Internet Application, Web Programming, Financial Literacy, Banking Services, Internet Application, Software Engineering, Web Programming, Animation, Web Design, * 6+ years of overall experience working on front-end development. * Strong Computer Science fundamentals. * Passion for software quality. * Experience designing, building, and maintaining beautiful public-facing websites with React. * Strong portfolio of complex web designs (animations, 3D, micro-interactions, etc). * Advanced knowledge of CSS, animation frameworks (e.g. D3, Three.js, etc). ## Description * Own features throughout their life cycle, from inception to production. * Create and implement styling and animations to bring our web designs to life. * Manage our content platform, server-side rendering, site generation, and migrating functionality from the mobile app to web. * Partner cross-functionally with product, design, and growth teams to build new web functionality. * Work in a small, tight-knit cross-functional team. * See your contributions make a weekly impact to an evolving product.