Senior Full Stack Javascript Engineer (Remote, 4-day week)

Stack Influence is a VC-funded creator marketplace app connecting eCommerce brands with everyday social media users. We are a high-growth, remote-first startup that offers a flexible 4- day work week. You will be responsible for developing the codebase and infrastructure for a modern tech stack (React, Node, Next.js, Azure Cloud). We are looking for a high impact individual contributor who can architect, build, and deploy end-to-end full-stack applications. We are a small team with two other senior engineers contributing to the codebase. Salary is between $125-200k USD with equity potential. Responsibilities : Develop, test and iterate on product features spanning frontend (React, Next.js, TypeScript), backend (Node.js, PostgreSQL, Hono), and cloud infrastructure (Azure). Work closely with product, design, QA, and business teams to translate requirements, mockups and process flows into production-ready features. Design and build integrations with third-party services such as social media, eCommerce, artificial intelligence and financial services. Follow best practices for code quality, reliability, security, and scalability. Implement automated integration tests (Jest) that adhere to test plans. Monitor live applications and troubleshoot issues post-deployment. Qualifications : 7+ years experience as a full-stack software engineer working on modern JavaScript/TypeScript codebases. Strong data and querying skills, experienced with both relational databases (PostgreSQL) and NoSQL databases (MongoDB). Strong experience with cloud infrastructure (Azure). Experience with writing and debugging automated tests (Jest). Motivated and productive in small, remote teams with async communication and minimal supervision. Customer-first mindset with a focus on usability and performance.