TL;DR

Senior Fullstack Engineer (AI): Building AI-powered development tools for crypto applications and AI agents with an accent on frontend architecture and scalable backend services. Focus on implementing real-time data flow between frontend and backend systems and defining engineering best practices for full-stack development.

Location: Global remote

Salary: $80k-$120k base

Company

Plexus is partnered with a team building the next generation of AI-powered development tools for crypto applications and AI agents, starting with Solana and expanding to EVM and new high-performance chains.

What you will do

Design and develop frontend architecture using modern frameworks and libraries (React, Next.js, TypeScript, etc.).
Implement REST, gRPC, WebSockets, and HTTP SSE interfaces for real-time, reliable data flow between frontend and backend systems.
Work on frontend analytics, monitoring, and observability to ensure excellent user experience and system visibility.
Develop scalable backend services using Go (Golang), Node.js, or similar cloud-native technologies.
Help define engineering best practices for frontend and full-stack development.

Requirements

7+ years of professional experience in software engineering, with at least 3+ years in full stack or frontend-heavy roles.
Deep understanding of frontend architecture, modern web frameworks, and JavaScript/TypeScript ecosystems.
Proficiency in React, Next.js, or Vue.js, plus a solid grasp of state management, SSR/SSG, and component-driven design.
Strong backend development experience in Go, Node.js, or Python.

Culture & Benefits

Global remote