Senior Backend Engineer - Hyperliquid ecosystem

Startup Talents; France; Sur place; EUR 129 679 - 172 906; Plein temps

Avantages offerts par ce poste

Competitive salary including equity

Stipend for remote setup

Flexible vacation policy

Learning and development budget

Résumé du poste

A remote tech startup is seeking a Senior Backend Developer to own the infrastructure for data pipelines and APIs. This role focuses on building systems used by millions of traders while ensuring high performance and reliability. Candidates should have extensive experience in backend development, especially with TypeScript, along with knowledge of real-time systems and trading concepts. The position offers a competitive salary, equity, and a flexible work environment.

Qualifications

• 5+ years of production backend experience, ideally in TypeScript.
• Strong experience with real-time systems: WebSockets, event streaming, pub/sub.
• Deep familiarity with PostgreSQL and Redis; ClickHouse or similar columnar databases a plus.

Responsabilités

• Own architecture decisions for the company's backend systems.
• Build and operate real-time data pipelines for order book updates, trades, and market events.
• Design and maintain the API layer serving web and mobile clients.

Connaissances

Production backend experience in TypeScript

Real-time systems experience

Familiarity with PostgreSQL and Redis

API design for latency-sensitive clients

Solid debugging skills

Outils

Kafka

ClickHouse

Typescript

Description du poste

This company is the largest builder-code product on Hyperliquid and aim todemocratize access to global financial markets across crypto, equities, commodities, and more by leveraging decentralised technologies. Withover $65B in cumulative trading volume and more than 400,000 registered traders, they areleading the charge to bring on-chain perpetuals trading to the mainstream

They are looking for a Senior Backend Developer who willown the infrastructure powering data pipelines, APIs, real-time delivery, and the databases underneath.

This role is ideal if you thrive in ambiguous, 0-to-1 environments and want to be directly responsible for shipping products used by millions of traders.

You will be on the front lines of scaling the company to millions of users, building trading interfaces that move billions of dollars in volume every day while still feeling fast, intuitive, and delightful.

You will work alongside people who care deeply about craft, move quickly, and hold a very high bar for both technical excellence and product quality.

This role is remote (Europe or USA) with overlap with EST timezone

Missions

• Own architecture decisions for the company's backend systems
  
• Build and operate real-time data pipelines for order book updates, trades, and market events
  
• Design and maintain the API layer (GraphQL, WebSockets) serving web and mobile clients
  
• Work with ClickHouse, PostgreSQL, and Redis to handle high-volume trading data
  
• Optimize query performance, caching, and schema design as data scales
  
• Instrument services with metrics and alerting; participate in on-call rotations
  
• Debug latency issues, memory problems, and system reliability under load
  
• Collaborate with frontend and mobile engineers on serving analytical data via API
  

Technical ecosystem

Backend : Typescript,EVM and integration patterns

Real time systems :WebSockets, event streaming, pub/sub

Streaming systems : Kafka (ideal)

Trading concepts: orders, fills, order books, positions, execution

Requirements

• 5+ years of production backend experience, ideally in TypeScript
  
• Strong experience with real-time systems: WebSockets, event streaming, pub/sub
  
• Deep familiarity with PostgreSQL and Redis; ClickHouse or similar columnar databases a plus
  
• Track record operating services at scale with high availability requirements
  
• Understanding of trading concepts: orders, fills, order books, positions, execution
  
• Experience designing APIs for latency-sensitive, high-throughput clients
  
• Solid debugging skills — comfortable with slow queries, memory leaks, performance profiling
  
• Experience with Kafka similar streaming systems
  
• Background in trading platforms, fintech, or low-latency applications
  
• Familiarity with DeFi or on-chain data
  
• Contract : Permanent role (Remote) EMEA or USA
  
• Salary: 150-200K USD per year on a full-time permanent work contract + equity and benefits
  
• Stipend for your ideal remote setup including laptop, peripherals, and work gear
  
• Multiple in-person team offsites and coworking sessions around the world
  
• Flexible vacation policy with genuine encouragement to take time off
  
• Learning and development budget to help you continuously deepen your craft