Zattoo AG

Principal Engineer - Quality Assurance

Zattoo AG
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15 days ago
Berlin, GermanyStaff+

Responsibilities

  • Define and maintain an organization-wide quality risk model for the full streaming chain.
  • Establish release constraints, quality gates, and the definition of releasable software across backend, middleware, and web, TV, and mobile clients.
  • Design staged rollout, canary, and rollback strategies in partnership with Engineering and SRE/Ops.
  • Set test architecture principles, ownership boundaries, automation standards, test data practices, environments, and reporting patterns.
  • Partner on quality incidents, production feedback, escape analysis, monitoring, gate changes, and rollout improvements.
  • Define standards for AI-assisted testing, risk-based test selection, failure triage, incident analysis, and AI-authored code quality.
  • Embed risk-based testing, quality practices in pull requests, multi-platform client testing, and lightweight quality standards into engineering teams.
  • Mentor and influence teams and participate in design reviews where quality risk is material.

Requirements

  • Senior individual contributor track record in quality engineering or equivalent for complex, multi-service products, ideally in streaming, media, or high-availability consumer platforms.
  • Experience designing whole-stack quality strategy for backend services, configuration or policy layers, and multi-platform clients.
  • Ability to define and implement test architecture covering test pyramids, ownership, cross-stack integration, contract, and playback-style validation.
  • Strong senior-level software engineering skills, including production-quality coding, design for testability, and automation engineering.
  • Deep familiarity with CI/CD and experience making pipelines faster and more reliable.
  • Hands-on experience applying AI to quality engineering with sound judgment about risk reduction and noise.
  • Experience partnering on incidents and converting production failure modes into durable quality improvements.
  • Practical judgment about automation scope and maintaining reliable, non-brittle test suites.
  • Bonus experience with video ingest, encoding, packaging, playback, or multi-tenant configuration and policy surfaces.
  • Experience working across web, TV, and mobile client quality risks, including device, operating-system, and app-store constraints.

Benefits

  • 30 days of vacation plus public holidays.
  • Trust-based flexible working hours and the option to work remotely worldwide for up to 8 weeks per year.
  • Free access to the company’s streaming service.
  • Personal development budget, German classes, and company hack days.
  • Health checks, mental wellbeing support, and team sports.
  • Discounted BVG tickets and free bike rentals.
  • Social events, lunches, monthly socials, a summer party, and an annual off-site event.
  • Inclusive, international workplace with colleagues from 47 nationalities.

Categories

Zattoo AG

About Zattoo AG

201-500 employees

Zattoo AG provides internet TV streaming for consumers and a TV-as-a-Service platform for media companies and network operators. Founded in 2005 and headquartered in Zürich, it offers subscription apps in Switzerland, Germany, and Austria, and licenses its IPTV/streaming technology to B2B customers. The privately held company is part of Tamedia and has received a Technology & Engineering Emmy Award for its streaming technology.

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