Principal Full Stack Developer with React (Remote, Global)

What you’ll do

• We’re looking for a Principal Full‑Stack Engineer - someone who builds things that matter and leads by example. You’ll write code, define architecture, and help shape our product and engineering culture.

• Ready to make an impact? Here’s how you’ll contribute:

• Ship full-stack features - React frontends, backend APIs, data layers, infra scripts, etc. • Review code, mentor engineers, and raise the bar across the team • Lead architecture & technical standards without red tape • Collaborate with product & design to deliver value fast • Own complex initiatives end-to-end - we trust you to make decisions • Optimize performance, scalability & reliability without endless meetings • Troubleshoot production issues and guide incident response

The technical challenges

This isn't CRUD work. You'll be solving real problems:

• Designing and shipping secure integrations - ML prediction engines, LLMs, third-party APIs with strict auth and data handling • Building high-performance UIs that stay fast under heavy data loads • Creating dashboards that turn complex datasets into clear, actionable insights • Scaling a multi-tenant SaaS platform - and shipping on-prem for enterprise customers who need it • Working with security-sensitive data where mistakes aren't an option

Who you are

You're an engineer who:

• Has 8+ years of professional experience with excellent full-stack skills • Brings 4+ years working with React (Next.js), Nest.js/Express, GraphQL, Docker, Postgres • Understands system design and architecture - CQRS, event sourcing, distributed systems • Builds scalable, secure, production-ready systems and takes ownership of them • Communicates clearly in English, both written and verbal • Enjoys working in high-trust, low-bs environments

Bonus points

• • You've built real-time data visualizations or analytics dashboards (tailwind, d3, ag-grid) • You've worked with behavioral data, event streams, or time-series analysis • You've shipped ML-powered features to production • You have DevOps/CI-CD chops