Backend Engineer Senior/Mid

Vectoryx GmbH is an international company with a main office in Berlin developing an AI-native claims platform. The role involves ownership of the backend trust layer supporting claims operations including multi-tenancy, access control, regulated data handling, and partner-facing APIs.

• Strong senior-level backend or full-stack experience with deep backend ownership (3+ years)
• Strong skills in Python and/or TypeScript; ability to design clean, maintainable backend code
• Experience building or operating multi-tenant SaaS
• Experience with authentication, authorization, and permissions models
• Good distributed systems judgment: concurrency, failure handling, data consistency, async work, and service boundaries
• Hands-on experience with cloud infrastructure (AWS, GCP, or Azure)
• Comfort with database schema design and performance tuning for real-time/high-throughput scenarios
• Security-conscious approach with enterprise-grade requirements and sensitive data handling
• Ability to design clean, stable APIs and maintain backward compatibility
• Familiarity with CI/CD, automated testing, and iterative shipping
• Ability to take ownership from problem statement through design and production rollout
• Clear written and verbal communication in English
• Comfortable working remotely in an international, async-first team
• AI-native working style, using AI tools in daily workflow and improving team workflows

• Design and ship backend services, APIs, data flows, and background processing for the claims platform
• Own the canonical data model for claims, stakeholders, policies, and documents
• Implement multi-tenancy and access control so every customer, partner, and user sees only what they should
• Build secure, stable integrations to CRM/core systems and external partner APIs
• Ensure GDPR-compliant data handling, isolation, and auditability across the stack
• Turn vague requirements into concrete technical plans, trade-offs, and execution
• Own services after launch: reliability, observability, performance, and incident follow-through
• Instrument what you ship and use production signal to iterate
• Design and maintain developer tooling, automated tests, and CI/CD pipelines
• Work closely with AI, frontend, product, and ops to deliver end-to-end outcomes
• Improve engineering leverage with AI tooling and automation
• Raise the quality bar through code review, design review, and pragmatic technical leadership

The controller of your personal data is Vectoryx GmbH, Overlaher Straße 3 26219 Bösel. Data is processed for recruitment purposes based on relevant legal bases including the Labour Code and GDPR. Data storage lasts until recruitment completion and for claim limitation periods, or up to 24 months with consent. Data recipients may include recruitment service providers. Candidates have rights to access, rectify, erase, restrict, port data, object, and lodge complaints. Consent withdrawal is possible at any time without affecting prior processing. Data is not subject to profiling.