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

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in building and maintaining performant APIs and microservices, with a strong focus on data pipeline design and automation. Proficient in Python or Scala, with a solid understanding of service-oriented architectures and best engineering practices.

Highest-signal resume keywords

Backend System DevelopmentPython ProgrammingMicroservices ArchitectureREST API DevelopmentData Pipeline Design

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

PythonScalaMicroservicesREST APIsData PipelinesSparkDatabase ManagementCaching StrategiesError ManagementStructured Logging

Soft Skills

Good CommunicationCollaboration

Tools & Technologies

BI ToolsMonitoring DashboardsAlerting SystemsRunbooks

Industry Keywords

Enterprise EnvironmentService-Oriented ArchitectureData SynchronizationHigh-Consistency Data

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