Senior Java Backend Engineer — FX Trading Systems

BetterPaymentNetwork; Hong Kong; On-site; HKD 700,000 - 1,200,000; Full time

Job summary

Better Payment Network (BPN) in Hong Kong is building a stablecoin-native settlement and FX network for licensed institutions. This role owns LP connections, bringing new liquidity providers live, keeping prices flowing into our pricing engine, and building the trading and settlement components that sit on top of them.

You will collaborate with LPs' engineers, run technical calls, and define market data feeds, LP routing, and FX trading workflow.

Qualifications

• At least 5 years of Java backend development with strong JVM fundamentals and concurrency.
• Hands-on experience building trading systems (FX, crypto, brokerage or market making).
• Production experience with Netty, Kafka and Redis.
• Comfortable with Linux and MySQL / PostgreSQL.
• Fluent working English; Mandarin a plus.

Responsibilities

• Own BPN's integrations with LPs (FX banks, OTC desks, exchanges, local VASPs) over REST, WebSocket and FIX.
• Build market data and pricing: aggregate LP quotes into one feed for our pricing engine, and process real-time order book and tick data.
• Build LP routing and failover, so flow moves to the next LP when one is down, slow or off-market.
• Develop the FX trading system around these integrations: orders, positions and hedging.
• Take part in clearing and settlement across T+0, T+1 and T+2 cycles.
• Integrate payment channels: banks and PSPs.
• Work directly with LP and bank technical teams across time zones to debug issues and agree on specs.

Skills

Java backend development

JVM fundamentals

Concurrency

Trading systems experience

English fluency

Mandarin knowledge

Tools

Netty

Kafka

Redis

Linux

MySQL

PostgreSQL

Job description

Better Payment Network (BPN) in Hong Kong is building a stablecoin-native settlement and FX network for licensed institutions. This role owns LP connections, bringing new liquidity providers live, keeping prices flowing into our pricing engine, and building the trading and settlement components that sit on top of them.

You will collaborate with LPs' engineers, run technical calls, and define market data feeds, LP routing, and FX trading workflow.