Fountain is a product studio that incubates web3 ventures from 0 to 1. Our team combines deep technical expertise with product execution to help teams move fast, ship real value, and scale. Backed by top investors and operators in crypto, Fountain is where ambitious ideas become working products. Our current project we are working on is Ares, a trading platform.

About the Position

Introduction

Fountain is building Ares, a high-performance social trading platform for decentralized markets. We are seeking a senior Fullstack Engineer with a backend focus to join our team. This role offers the opportunity to define the future of trading by fusing speed, signal, social mechanics, and cultural context into a unified trading experience.

Responsibilities

Work directly with the CEO and maintain transparency across company aspects.
Architect critical systems and proactively address strategic and scaling challenges through thoughtful long-term planning.
Design and implement full-stack infrastructure, covering high-performance frontends (Next.js + Tailwind) and robust backend systems (NestJS, PostgreSQL, Redis, and Solana RPCs).
Develop transactional engines optimized for execution speed, accuracy, and user experience in volatile market conditions.
Lead the architecture of our real-time trading intelligence layer, integrating on-chain and off-chain signals into actionable interfaces.
Build integrations with external services such as Telegram, bots, and alerting engines to create innovative product experiences.
Ship products rapidly and frequently, emphasizing working code as the ultimate source of truth.
Collaborate closely with founders and senior engineers in a high-bandwidth, fast feedback loop environment.
Engage with early users, including CT influencers and alpha groups, to shape features based on real workflows.
Take full ownership of your builds, with the freedom for autonomous decision-making and efficient execution without bureaucracy.

Requirements

Strong Node.js backend experience, preferably in performance-sensitive environments (e.g., crypto, fintech, gaming, real-time applications).
Thrives in fast-paced, product-centric organizations valuing speed, autonomy, and ownership.
Ability to work independently and communicate effectively in asynchronous workflows.
Deep commitment to craftsmanship, clean abstractions, and performance.
Strong user empathy and the ability to translate user behavior into product features.
Understanding of crypto and trading, including trader psychology.
Desire to work with high-caliber professionals who possess a founder's mindset and deliver results.

Our Tech Stack

Nest.js, Solana, Redis, PostgreSQL, Typescript, Node.js, Materialize, gRPC, Drizzle, WebSocket, Google Cloud Platform, Terraform.

Benefits

Work with a passionate team focused on product, velocity, and craftsmanship.
Develop real infrastructure used by demanding traders.
Contribute to a product that aims to reshape trading in the social-first, memetic DeFi era.
Greenfield development with no legacy baggage or bureaucracy.
Backed by top investors and Alliance DAO, with strong connections across DeFi.
Flexible, remote, async work environment designed for true builders.
Be a core part of shaping the next dominant trading platform.