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People.ai

Software Engineer – XCore

People.ai

Software Engineer on the XCore team developing backend systems and handling APIs at Backstory.ai. Collaborating with senior engineering leadership in a focused environment.

Posted 7/3/2026contractRemote • 🇵🇱 PolandMid-LevelSeniorWebsite

Tech Stack

Tools & technologies
MicroservicesPythonScalaSpark

About the role

Key responsibilities & impact
  • Build and maintain performant, low-latency APIs and distributed microservices handling identity, authorization, user profiles, settings, and product configurations.
  • Implement and maintain data pipelines that move large volumes of data with consistency and reliability, including audit-log systems and BI data exports.
  • Maintain and improve existing features based on user feedback and evolving product requirements.
  • Follow and promote engineering best practices, including structured logging, cross-service request tracking, and robust error management.
  • Contribute to production observability through alerting, dashboards, and runbooks.
  • Build tooling to reduce manual operations for engineering teams and support customer support self-service workflows.
  • Contribute to feature development end-to-end: from participating in requirement discussions with Product, through implementation, to production monitoring.

Requirements

What you’ll need
  • 3+ years of professional experience building backend systems in an enterprise environment
  • 1+ years of experience programming in Python or Scala
  • Solid understanding of microservices and service-oriented architectures (SOA)
  • Familiarity with databases, caching strategies, and low-latency service design
  • Experience building and consuming REST APIs with attention to reliability and client experience
  • Exposure to data synchronization patterns and high-consistency data pipeline design
  • Able to navigate and contribute to an unfamiliar codebase with guidance, working toward incremental improvements
  • Appreciation for automation and reducing manual operational toil
  • Experience with Spark or big data processing is a plus
  • Good communication skills with the ability to participate meaningfully in product and engineering discussions.

Benefits

Comp & perks
  • Backed by strong senior engineering leadership
  • Opportunity to grow your technical craft
  • Build impactful systems

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
PythonScalaMicroservicesREST APIsData PipelinesSparkDatabase ManagementCaching StrategiesError ManagementStructured Logging
Soft Skills
Good CommunicationCollaboration