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Software Engineer - X Money

Build scalable backend services and payment infrastructure for a global financial products platform. The role requires distributed-systems expertise, proficiency in modern programming languages, and experience with large-scale consumer applications.

About the job

Responsibilities

  • Develop backend services, APIs, and data models for high-volume, multi-user environments.
  • Collaborate with iOS, Android, and web client engineers to ship products.
  • Design infrastructure and microservices for payments, transactions, growth, monetization, and engagement across platforms.
  • Build and maintain full-stack features, including dashboards, personalized experiences, content delivery, interactive tools, assessments, and real-time analytics.
  • Lead architecture, scalability, and reliability decisions for high-concurrency, low-latency systems.
  • Uphold engineering excellence through testing, monitoring, deployment, and secure data handling.

Requirements

  • Proficiency with distributed systems for high-scale, low-latency environments.
  • Experience with Rust, Go, Python, or Java.
  • Experience with high-volume streaming systems.
  • At least 2 years of experience working on large-scale consumer applications.

Nice-to-haves

  • At least 5 years of experience working on large-scale consumer applications.
  • Early- to mid-stage startup experience as a founding engineer.
  • Experience with rapid prototyping, user-centric design, and AI solutions.

Compensation and Benefits

  • Base salary: £107,000–£262,000 GBP.
  • Equity, healthcare and dental coverage, cash plan, income protection, life insurance, discounts, and other perks.

Skills

Rust, Go, Python, Java, Distributed Systems, Streaming Systems, Microservices, Backend Development, APIs, Data Modeling, iOS, Android, Real-Time Analytics, Payment Systems, Fraud Detection

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