The Role
Own the architecture and operation of backend infrastructure supporting high-volume crypto trading. Build real-time pipelines for order books, trades, and market events; design GraphQL and WebSocket APIs; manage PostgreSQL, Redis, and ClickHouse data systems; optimize latency, caching, schemas, and queries; monitor reliability; debug performance issues; and collaborate with frontend and mobile teams.
Summary Generated by Built In
This is a remote position.
This company is the largest builder-code product on Hyperliquid and aim to democratize access to global financial markets across crypto, equities, commodities, and more by leveraging decentralised technologies. With over $65B in cumulative trading volume and more than 400,000 registered traders, they are leading the charge to bring on-chain perpetuals trading to the mainstream
They are looking for a Senior Backend Developer who will own 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
Databases : PostgreSQL, Redis, ClickHouse or similar columnar databases
Streaming systems : Kafka (ideal)
Web3 : DeFi, On-chain data
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
Bonus points
- Experience with Kafka similar streaming systems
- Background in trading platforms, fintech, or low-latency applications
- Familiarity with DeFi or on-chain data
Benefits
- 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
Recruitment process :
- CEO / CTO Call
- Technical Interview 1
- Technical Interview 2
- Final Interview
Skills Required
- 5+ years of production backend experience
- Strong experience with real-time systems, including WebSockets, event streaming, and pub/sub
- Deep familiarity with PostgreSQL and Redis
- Experience operating services at scale with high availability requirements
- Understanding of trading concepts, including orders, fills, order books, positions, and execution
- Experience designing APIs for latency-sensitive, high-throughput clients
- Strong debugging skills, including slow queries, memory leaks, and performance profiling
- Production backend experience with TypeScript
- Experience with ClickHouse or similar columnar databases
- Experience with Kafka or similar streaming systems
- Background in trading platforms, fintech, or low-latency applications
- Familiarity with DeFi or on-chain data
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The Company
What We Do
The company is a Web3 trading business building a builder-code product on Hyperliquid. Its decentralized technology aims to broaden access to global financial markets spanning crypto, equities, commodities, and other assets. The platform supports on-chain perpetuals trading and has processed more than $65 billion in cumulative volume with over 400,000 registered traders, while scaling backend infrastructure, APIs, data pipelines, real-time delivery, and databases.
