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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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