To build customer-facing product experiences and backend systems, the full-time salaried Senior Full Stack Engineer will work remotely or onsite in Boston, collaborating cross-functionally to deliver high-quality software across frontend, backend, cloud infrastructure, and device-connected workflows. Key responsibilities Build and ship customer-facing features for the React + Vite SPA used in the customer portal Design, build, and operate backend services on AWS, integrating IoT communication flows and ensuring system performance Collaborate with product, design, and hardware teams, contributing technical insights and managing codebase migrations Required qualifications BS/MS in Computer Science, Engineering, or a strong portfolio of web-based applications Proven ability to deliver high-quality features under tight deadlines while maintaining sound engineering judgment Strong ownership mindset with a focus on outcomes across UX, APIs, data models, and infrastructure Effective cross-functional collaboration experience, including refining requirements and providing constructive feedback Comfort operating in evolving codebases and systems, with a bias toward action and mentoring other engineers