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October 2, 2026

Senior Backend Engineer (Python, AI Platform Services)

Senior • Remote

23,257 - 24,420 PLN/yr

Kraków, Poland

Quick Facts

  • Role: Senior Backend Engineer (Python, AI Platform Services)

Description

As part of the AI Platform Services team, you will build and evolve backend services and platforms that power customer-facing and internal AI/ML data workflows. You will develop GraphQL and REST APIs, integrations, and data-access systems, ensuring they are reliable, secure, observable, and scalable. You’ll also implement asynchronous, event-driven processing and continuously improve testing and production readiness.

Responsibilities

  • Build and evolve backend services, GraphQL and REST APIs, and integrations

  • Design and maintain API contracts and data-access patterns for application workflows

  • Work with relational and NoSQL databases for dependable, scalable behavior

  • Implement asynchronous and event-driven processing to improve resilience

  • Improve testing, observability, performance, and operational readiness

  • Own work from implementation through deployment, production support, and iterative improvements

  • Partner with frontend, product/design, and data teams to deliver capabilities

  • Participate in code reviews and shared engineering practices/peer learning

Requirements

  • Significant contributions to production backend systems, APIs, or services

  • Agentic development as a core way of working

  • Strong experience with TypeScript and Python for server-side development

  • Experience designing, building, and integrating GraphQL and REST APIs

  • Experience with relational databases (PostgreSQL or MySQL) and NoSQL systems (DynamoDB or Cloud Firestore)

  • Experience building and operating serverless functions (AWS Lambda or Cloud Run)

  • Experience with automated testing, debugging, and production support for distributed systems

  • Familiarity with Git-based collaboration and continuous-integration workflows

  • Strong communication skills and constructive pull-request review/peer mentorship

Benefits

  • Flexible working format (remote, office-based, or flexible)

  • Competitive salary and compensation package

  • Personalized career growth

  • Professional development tools (mentorship, tech talks, trainings, centers of excellence)

  • Active tech communities with regular knowledge sharing

  • Education reimbursement

  • Anniversary presents, corporate events, and team buildings

  • Other location-specific benefits

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