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.