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Senior Software Engineer - XCore (Europe)

Backstory

Remote · PolandSalary not disclosedfull-timeBackstory Careers

As a Senior SWE on the XCore team you will own the foundational layer that every other product at Backstory.ai is built on. From identity and authorization to audit logging and BI data exports, the systems you design set the standard for how the entire engineering organization builds and scales.

Responsibilities

  • Design, build, and maintain highly performant, low-latency APIs and distributed microservices handling identity, authorization, user profiles, settings, and product configurations.
  • Own features end-to-end: from partnering with Product to shape and challenge requirements, through system design, implementation, and production monitoring.
  • Design and execute data pipelines that move massive volumes of data with guaranteed consistency and zero data loss, including audit-log systems and BI data exports.
  • Maintain and improve existing features based on user feedback and evolving product requirements.
  • Advocate for and introduce engineering best practices, including structured logging, cross-service request tracking, and robust error management.
  • Ensure high-quality observability through alerting, dashboards, tracing, and runbooks for all production services.
  • Build reusable internal tooling to reduce manual operations for engineering teams and enable customer support self-service.
  • Collaborate cross-functionally with Product
  • Design, and Engineering teams with clear and concise communication.

Languages

    Work format
    Remote
    Seniority
    Senior
    Posted
    26 Jun 2026
    Last verified
    In the last 5 days

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