Senior Quality Engineer

October 20, 2026

Hybrid

Senior

Barcelona, Seville

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Mandatory office attendance
3 days per week
English is required
English CV required

Description

Senior Quality Engineer role on a major live-service mobile game team in Barcelona or Seville on a hybrid basis. The position focuses on building quality engineering capabilities through automation frameworks, test infrastructure, and quality insights across mobile, Unity, APIs, integrations, performance, and CI/CD. The engineer owns immediate manual, exploratory, and release testing while developing sustainable automation, AI-assisted quality workflows, and telemetry validation.

Responsibilities

Build reusable engineering solutions: write, review, debug, and maintain automation frameworks, tools, and test infrastructure that other engineers can adopt and extend
Improve testability from the start by participating in technical design and code reviews to identify risks early and improve test hooks and diagnostics
Balance building with hands-on testing through manual, exploratory, and release testing where automation is not yet available
Develop mobile and Unity automation for Android, iOS, and Unity workflows, accounting for device differences, lifecycle events, network conditions, and client performance
Strengthen API and integration testing by validating backend services, service contracts, client-server interactions, data integrity, and failure recovery
Validate player-state consistency and recovery by testing interrupted sessions, reconnects, retries, and client-server synchronization
Investigate failures across systems using logs, metrics, traces, crash reports, and telemetry for root-cause analysis and regression coverage
Validate mobile and backend performance by profiling frame rate, memory usage, startup, crashes, and developing load, stress, and endurance tests
Apply risk-based testing by prioritizing validation by player impact, technical complexity, change scope, and failure history
Integrate validation into CI/CD with reliable automated feedback, useful diagnostics, and maintainable quality checks
Improve test data and environments by building utilities, fixtures, and repeatable setup processes for dependable testing
Develop AI-assisted quality workflows for test generation, failure triage, regression selection, and coverage analysis with human review
Strengthen telemetry validation and quality visibility by validating event accuracy and building quality dashboards for release decisions
Help establish the QE organization through standards, documentation, reusable patterns, and mentoring across the team

Requirements

Demonstrated quality engineering, software development in test, or software engineering experience, including hands-on ownership of automation used by other engineers
Strong programming skills in C# or Python, with the ability to work effectively in Unity and automation codebases, experience in source control, code reviews, debugging, and maintainable software design
Practical experience testing and automating Android and iOS applications, including device coverage, operating system differences, and unreliable network conditions
Experience developing API and integration tests, diagnosing failures across services and data flows, and integrating reliable automated tests into CI/CD
Working knowledge of performance, risk-based, and exploratory testing, with sound judgment about what to automate and when to investigate directly
Working knowledge of SQL and practical experience with telemetry and big data, including querying large datasets, validating events and data pipelines
Experience with AI-assisted engineering tools and the ability to evaluate the accuracy and usefulness of their outputs
Strong ownership and collaborative problem-solving, with the ability to turn ambiguous needs into practical solutions, a passion for quality, mobile games, AI, and technology
Advanced professional proficiency in spoken and written English, sufficient to participate independently in technical discussions and write clear documentation with global teams
Hands-on experience with Unity, C#, Unity Test Framework, or automated testing of Unity-based mobile games
Experience with live-service games, player-state consistency, reconnect behavior, live configuration, or client-server synchronization
Experience with mobile device farms, observability, quality dashboards, or establishing QE capabilities within a growing team