GrepJob
Bjak

Backend Developer

Bjak
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about 4 hours ago
London, United KingdomMid Level / Senior

Responsibilities

  • Build backend services and APIs for various financial operations.
  • Design reliable systems for customer transactions and operational workflows.
  • Integrate with internal systems and third-party platforms.
  • Ensure backend quality across reliability, security, and data integrity.
  • Collaborate with product, frontend, mobile, and AI teams to launch features.
  • Improve existing systems by automating processes and simplifying workflows.

Requirements

  • Strong backend engineering experience in production systems.
  • Good understanding of APIs, databases, and integrations.
  • Experience building services used by real customers at scale.
  • Strong debugging, reliability, and data quality mindset.
  • Ability to make trade-offs between speed, correctness, and maintainability.
  • Fintech or related experience is a plus but not required.

Benefits

  • Hybrid work model with at least 3 days in the London office.
  • Opportunity to work in a diverse team with over 20 nationalities.

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