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 CSS- Backend: 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 do- Build 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 bring- Proficiency 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 have- Experience building voicecontrolled components / speechtotext. - Experience interacting with AI models from the web app. How we work- Remote 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 process- Coderpad Challenge (60 min)- Intro chat (45 min) mutual fit and role context. - Technical deepdive & Live testing discuss systems you''ve 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.