Senior Full Stack Software Engineer (LATAM Only)

Senior Full Stack Software Engineer **Location:** Remote — Brazil/US time zones (EST ±3h) • **Contract:** International contractor, **$35/hour** • **Language:** English (fluent) • **Reports to:** CTO \& Engineering team. About the role Volatus is hiring a Senior Fullstack Engineer to own critical product work on a next‑generation 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 context You 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 end‑to‑end 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 Lighthouse‑driven improvements). * Write reliable tests (unit/integration/e2e) and contribute to CI/CD workflows. * Make pragmatic early‑stage 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 (third‑party APIs) and solid testing practice (unit/integration/e2e). * Portfolio or links to shipped projects/code. 90\-day outcomes In 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 voice‑controlled components / speech‑to‑text. * 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 US‑friendly 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 deep‑dive** \& **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.*