Senior Full Stack Software Engineer - About the roleVolatus is hiring a Senior Fullstack Engineer to own critical product work on a nextgeneration platform for fertility clinics and their patients. You will join as a founding engineer, shaping both the product and the technical direction in a category where better software directly improves patient outcomes. Tech contextYou will work in a modern, greenfield stack centered on:Frontend: Next. Js/React, Typescript, Tailwind CSSBackend: Node. Js/TypeScript with a PostgreSQL core (schema design, authN,authZ, performance, transactions, triggers). Data & integrations: Third-party API integrations ; performance profiling (e. G., Lighthouse). Quality: Unit, integration, and end-to-end tests; CI/CD. Collaboration: Work closely with our Head of Engineering, Principal Engineer, Product Designer, and CEO. What you will doBuild and ship endtoend features across the Next. Js frontend and Node/TypeScript backend. Model and tune Postgres schemas; ensure secure authN/authZ and strong performance. Integrate external APIs and improve app reliability and speed (including Lighthousedriven improvements). Write reliable tests (unit/integration/e2e) and contribute to CI/CD workflows. Make pragmatic earlystage architectural decisions and raise the engineering bar. What you will bringProficiency with AI tools to accelerate development and quality. Strong production experience with Next. Js/React, Node. Js, and TypeScript. Tailwind & CSS mastery; responsive, accessible UI. PostgreSQL expertise (modeling, security/auth, performance, transactions, triggers). Integrations experience (thirdparty APIs) and solid testing practice (unit/integration/e2e). Portfolio or links to shipped projects/code. 90-day outcomesIn your first 90 days, you will:Lead at least one significant feature from design to production, used by real clinics or internal teams. Improve a key part of the frontend experience (e. G., performance, usability, or design consistency) and document the standards for others. Own part of the backend or data model, including at least one meaningful performance or reliability improvement. Help define or refine testing and deployment practices so the team can ship faster and with more confidence. Nice to haveExperience building voicecontrolled components / speechtotext. Experience interacting with AI models from the web app. How we workRemote within EST ±3 hours preferred ; open to other time zones if you can collaborate on USfriendly hours. Small, senior team with a strong bias toward action and ownership ; Product-led culture: engineers are closely involved in discovery, tradeoff discussions, and shaping the roadmap. Hiring processCoderpad Challenge (60 min)Intro chat (45 min) mutual fit and role context. Technical deepdive & Live testing discuss systems youve built; pair on a focused problem (no whiteboard trivia). Team conversation meet engineering product leadership. References & offer. Volatus is an equal opportunity employer committed to building a diverse and inclusive team.