Full Stack Engineer (Next.js + Node.js)

Full-Stack Engineer (Senior / Strong Middle+)

Remote | Full-time | FinTech / WealthTech | ASAP
We're looking for an experienced Full-Stack Engineer to join a long-term FinTech / WealthTech product.

Key Responsibilities
Develop new features across frontend and backend
Build and maintain services using TypeScript, React, Next.js, and Node.js
Work with PostgreSQL and Supabase
Develop and support REST APIs
Integrate external services via APIs, OAuth, and webhooks
Work with authentication, authorization, and multi-tenant SaaS architecture
Investigate and resolve production issues
Maintain and improve existing functionality with a focus on security, stability, and performance

Requirements
Strong commercial experience with TypeScript, React, and Next.js
Solid backend experience with Node.js
Hands-on experience with PostgreSQL / Supabase
Experience developing multi-tenant SaaS products
Strong knowledge of REST APIs and third-party integrations
Experience with OAuth and webhooks
Good understanding of application security and production environments
large existing codebase
Strong ownership and

Will Be a Plus
Background in FinTech / WealthTech / banking
Experience with Plaid
Integration of OpenAI, Anthropic, or other LLM APIs
Experience with Vercel / Sentry
Google / Microsoft integrations

We Offer
Long-term product development
Transparent compensation
Paid vacation and sick leave
Professional development support
Quality work equipment
Paid office lunches
Anniversary gifts and baby bonus

We're considering candidates who can start ASAP.