Senior Python Engineer

Stockholm, Milan March 20, 2026 Greenhouse
Senior Python Engineer Engineering · Stockholm, Milan · Full-time · kr 752,814 SEK - kr 843,151 SEK Overview Application What you’ll do Build and maintain Python and SQL based systems for data pipelines, analyses, monitoring, and automated alerting Evolve Klarna's abilities to measure and monitor its business critical metrics from an AI-driven perspective Own projects end-to-end in time-boxed phases: scoping (1-2 weeks) → building → deploying → iterating Present technical work and tradeoffs to senior leadership Support and maintain what you build – no throwing projects over the wall Work publicly in Slack channels with radical transparency (all work visible to the team) Who you are AI-First Engineer: Heavy hands-on experience with OpenAI/Anthropic APIs, prompt engineering, and AI-assisted coding tools (Cursor, GitHub Copilot, Claude Code, etc) Tech Stack Flexible: Comfortable working across Python, Docker, AWS, APIs, databases – you adapt to the problem, not the other way around        Business-Oriented: You translate stakeholder needs into technical solutions and care about why we're solving a problem, not just how             Iterative Shipper: You build MVPs in 1-2 week cycles, gather feedback, and iterate quickly                                                       Change Resilient: You thrive when priorities shift, requirements evolve, and ambiguity is the norm                                               Self-Driven: You proactively unblock yourself, drive projects forward, and communicate openly in public channels  Awesome to have                                                                                                                                    Go coding language Good understanding of common design patterns and comfortable with modern Python 3 practices (type hints, protocols, Pydantic, uv) Experience with Terraform, Airflow, Slack API, OpenSearch, SPARQL, CI/CD Track record of maintaining production systems while building new features Background working with cross-functional stakeholders in product, analytics, and business operations                                                                    Comfort working in highly transparent, documentation-heavy environments                                                                          Experience killing or rescoping projects that aren't delivering value Apply Hire with Privacy Policy
Apply on company site

How to Get Hired at Klarna

  • Klarna is a licensed Swedish bank, not just a BNPL app, which means roles across the company touch real banking regulation (CRD/CRR, PSD2, GDPR, AML/KYC, consumer credit law) and the bar for compliance literacy is higher than at most consumer fintechs.
  • Apply directly through klarna.com/careers with a tailored, metrics-led CV; generic applications and recruiter-spam outreach are visibly deprioritized versus thoughtful direct applications.
Read the full guide

How well do you match this role?

Check My Resume