Senior Full-Stack Developer to Build Chrome Extension & SaaS Admin Portal (GoHighLevel Integration)

Senior Full-Stack Developer Needed for Chrome Extension & SaaS Admin Portal We are looking for an experienced senior full-stack developer to build a production-ready Chrome Extension and SaaS Admin Portal for a workflow automation platform. This is a fixed-price project for an experienced developer who has successfully built Chrome extensions, SaaS applications, and API integrations. Project Overview The software will include: Chrome Extension (Google Manifest V3) Admin Portal User authentication Client onboarding Workflow configuration API integrations Database architecture Secure cloud deployment The Chrome Extension will interact with third-party web applications, capture specific workflow events, and communicate securely with the backend platform. The Admin Portal will allow administrators to configure clients, manage settings, and monitor system status. A detailed software specification, workflow documentation, and demonstration videos will be provided to shortlisted candidates. Required Experience Please apply only if you have experience with most of the following: Chrome Extension Development (Manifest V3) JavaScript / TypeScript React Node.js / Express REST APIs PostgreSQL or MongoDB SaaS application development Secure authentication Git / GitHub Experience integrating with GoHighLevel or similar CRM platforms is a strong plus. What We’re Looking For We’re looking for someone who: Writes clean, maintainable code Communicates clearly Can recommend solid technical architecture Thinks long-term and builds scalable software Has experience shipping production software Proposal Instructions To show you’ve read this posting carefully, please begin your proposal with the words: Purple Pineapple Then answer the following: Tell us about a Chrome Extension you’ve built. Tell us about a SaaS platform you’ve developed. What do you think will be the most technically challenging part of this project? Will you personally complete all development work? Include links to one or two similar projects. Shortlisted candidates will receive the complete software specification and demonstration videos before interviews.