Top Senior Level PHP Developer Jobs in San Francisco Bay Area

Cloudflare is looking for a backend engineer to help build and maintain the codebase that powers our customer APIs and internal service APIs. This role requires familiarity with backend architecture and database design, as well as proficiency in building RESTful APIs and using technologies such as Go, Redis, and Postgres. The ideal candidate should have at least 5 years of professional experience and strong computer science fundamentals.

Principal Web Developer responsible for overseeing all aspects of customer-facing websites and portals, ensuring functionality, performance, and optimization. Requires proficiency in JavaScript, HTML, CSS, and web applications, along with leadership and collaboration skills. Join a cybersecurity company focused on protecting small to midsize businesses from cyber threats.

Senior Software Backend Engineer on Payments Team at Crunchyroll, responsible for architecting, building, and optimizing the payments platform. Collaborate with cross-functional teams to enhance user experience and contribute to fanbase growth.

Seeking a Sr. Fullstack Engineer to improve learning experiences on the Quizlet platform. Responsibilities include data pipeline design, working with relational databases and APIs, defining new search services, and maintaining existing infrastructure. Must have 5+ years of experience as a full stack engineer and 2+ years working with search services like Elasticsearch or Solr. Bonus points for experience with PHP, Go, and Google Cloud Platform.

As a full-stack engineer on our Growth team, you will get to work on all aspects of growth: Payments, sign up flow, optimizing pages for SEO and page load time, conversion funnels, new acquisition channels, and product features related to the new user experience.

As a Senior Growth Engineer at Slickdeals, you will design and execute experiments using A/B testing and data analysis to optimize user acquisition and retention. You will collaborate with cross-functional teams to drive growth initiatives and implement new technology for product improvement.

Looking for a Senior Software Engineer with experience in building highly scalable web applications, performance tuning, user testing, and deployment. Must have strong skills in Java, PHP, Javascript, SQL, and data modeling. Knowledge of enterprise level architecture, Agile methodologies, and full-stack development is required.