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> Djinni
senior

Software Engineer

type:Full-timecompany:Product
typescriptreactnext.jsnode.jspostgresqlrest-apioauthwebhooks
supabaseadobe illustratorllmsentryvercelswiftios sdk
experience5+ years
domainFintech
> full description

Full Stack Engineer (TypeScript / Next.js)


We’re looking for a Senior Full Stack Engineer to join the development of a production-grade wealth management platform for high-net-worth families and family offices.

The product combines portfolio and investment management, financial integrations, document workflows, advisor tools, and AI-powered functionality.
 

What you’ll work with:

  • TypeScript, React 19, Next.js
  • Node.js / REST APIs
  • PostgreSQL + Supabase
  • Multi-tenant architecture and complex permission models
  • Third-party integrations and webhooks
  • AI/LLM integrations
  • Vercel
     

What we’re looking for:

  • Strong commercial experience with TypeScript, React and Next.js
  • Strong full-stack experience, including backend/API development
  • Solid knowledge of PostgreSQL
  • Experience with authentication, authorization and multi-tenant SaaS systems
  • Experience integrating external APIs, OAuth and webhooks
  • Ability to independently work with a large existing production codebase
  • Strong understanding of application security and production reliability
     

Nice to have:

  • Supabase
  • FinTech / WealthTech experience
  • AI/LLM API integrations
  • Plaid or other financial integrations
  • Sentry
  • Vercel

SwiftUI / iOS

What We Offer

  • Long-term product project
  • Transparent compensation
  • Paid vacation and sick leave
  • Learning and professional development support
  • High-quality equipment
  • Paid office lunches
  • Anniversary gifts and baby bonus
     

About the project:

This is a mature production platform with a large existing codebase and multiple external integrations. You’ll work on new functionality while also improving architecture, security, reliability, and test coverage.