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Job · Mid-level

Backend Software Engineer - AI Neobank App (Spain)

Software Engineer • Mid-level • Remote • Full-time Spain Spain

Bjak is looking for backend engineers to build the core systems behind its AI Neobank app: reliable APIs, workflows and financial product infrastructure that can scale.

Responsibilities

  • Build backend services, APIs and workflows for the AI Neobank app
  • Support products across insurance, payments, wallet, savings, investing, travel and financial services
  • Design reliable systems for user accounts, transactions, partner integrations, reconciliation, notifications and operations
  • Work with product and mobile teams to ship customer-facing journeys quickly
  • Integrate with banks, payment gateways, insurers, data providers and other partners
  • Improve system reliability, observability, security and performance

Requirements

  • 3+ years of backend engineering experience
  • Strong fundamentals in APIs, databases, system design and production debugging
  • Experience building scalable services and integrating third-party systems
  • Good understanding of security, reliability, data quality and operational edge cases
  • Able to make practical trade-offs between speed, quality and risk
  • Comfortable working with product, mobile, operations and business teams
  • Based in Spain
  • Strong English communication skills

Nice to have

  • Experience in fintech, payments, insurance, lending, banking or regulated products

Soft skills

Builds systems that work in the real world, not just on diagramsThinks through edge cases, failure modes and operational impactCan move fast without creating fragile foundationsTakes ownership of production issues and long-term reliabilityExplains clearly what they personally built versus what the team delivered

About the company

BJAK is a mobile-first insurance platform founded in 2019, today the leading insurance platform in Southeast Asia, now expanding into spending, saving, investing and currency exchange with an AI Neobank app. The team spans over 20 nationalities working globally and remotely.

Languages: Angol: Felsőfok

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