Backend Engineer

QFEX · london, england, United-Kingdom

Location
london
Job Type
Full-time
Posted
May 31, 2026

Job Description

How Markets Should Be

Traditional financial markets are broken. We are fixing them.

QFEX is the first perpetual futures exchange to allow 24/7, high leverage on traditional financial assets.

Our vision: this kind of exchange will replace the entire $100bn TradFi exchange, clearing and brokerage industry.

Our mission: make QFEX that exchange.

We were founded by Cambridge Maths duo Annanay Kapila and Joshua Wharton, who previously worked at Tower Research Capital and Citadel, respectively. The team also includes former staff from Jump, Barclays, and more.

QFEX raised $10m from a group of investors including General Catalyst, Y Combinator, Nexus Venture Partners and Paul Graham.

What You’ll Do

  • Reliability & performance Design fault‑tolerant, low‑latency, always‑available services; write load tests and chaos suites; tune until p99 is boring.
  • Testing Set up and carry out automated test ...

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