Senior QA Tester

About the role

As a Senior QA Tester, you will play a critical role in maintaining and improving quality across a live-service mobile game.

Working closely with Developers, Designers, Product teams and fellow QA professionals, you'll be responsible for identifying issues, validating fixes, improving testing processes and ensuring new features meet the highest quality standards before reaching players.

We're particularly interested in candidates who have experience supporting large-scale live games and understand the unique challenges of frequent updates, live events, feature releases and player-facing content.

What you'll do

Quality assurance & testing

Live operations support

Collaboration

Process improvement

Quality leadership

Quality assurance & testing

• Execute comprehensive testing across mobile platforms and game features.
• Identify, document and track bugs throughout the development lifecycle.
• Validate bug fixes and ensure issues are fully resolved.
• Perform:
• Functional testing
• Regression testing
• Smoke testing
• Compatibility testing
• Feature validation
• Ensure content releases meet established quality standards.

Live operations support

• Support the testing of live game updates, seasonal content and events.
• Help ensure smooth deployments and releases.
• Validate player-facing content prior to launch.
• Identify risks that could impact the player experience.
• Monitor and support quality throughout the live-service development cycle.

Collaboration

• Work closely with:
• Game Designers
• Developers
• Product Managers
• Producers
• QA Team Members
• Communicate issues clearly and effectively.
• Provide actionable feedback and reproduction steps.
• Participate in planning and quality reviews.

Process improvement

• Contribute to improving QA processes and testing methodologies.
• Help identify opportunities to increase testing effectiveness and efficiency.
• Share knowledge and best practices across the team.
• Support the development of scalable quality assurance workflows.

Quality leadership

• Take ownership of key testing areas and initiatives.
• Support coordination and prioritisation of testing activities.
• Help maintain visibility of project quality and release readiness.
• Contribute to risk assessment and release decision-making.

What we're looking for

Essential experience

Mobile games expertise

Technical skills

Communication & collaboration

Highly desirable

Success in this role

Essential experience

• 5+ years of hands-on QA testing experience.
• Significant experience testing mobile games.
• Experience supporting live-service or continuously updated products.
• Strong understanding of software testing principles and methodologies.
• Proven ability to identify, reproduce and document complex issues.

Mobile games expertise

• Experience testing iOS and Android titles.
• Understanding of mobile platform requirements and limitations.
• Familiarity with free-to-play and live-service game environments.
• Knowledge of release cycles, content updates and event-driven development.

Technical skills

• Experience with bug tracking and project management tools.
• Strong documentation and reporting abilities.
• Ability to create clear reproduction steps and defect reports.
• Understanding of testing workflows throughout the development lifecycle.

Communication & collaboration

• Strong verbal and written communication skills.
• Ability to work effectively within multidisciplinary teams.
• Comfortable providing clear feedback to technical and non-technical stakeholders.
• Detail-oriented with excellent organisational skills.

Highly desirable

• Experience leading or coordinating QA efforts.
• Experience managing quality assurance on a high-scale live mobile game.
• Understanding of LiveOps processes and content release pipelines.
• Exposure to test planning and release readiness activities.
• Experience mentoring or supporting junior QA team members.
• Passion for competitive multiplayer or mobile games.

Success in this role

• Features and content releases reach players with a high level of quality.
• Bugs are identified, prioritised and resolved efficiently.
• Testing coverage improves across new and existing systems.
• Release risks are identified early and communicated clearly.
• Live updates launch smoothly with minimal player impact.
• QA processes become more efficient and scalable over time.

Why join?

• Work on one of the industry's most successful live-service mobile games.
• Contribute to a product enjoyed by millions of players worldwide.
• Collaborate with an experienced and highly talented development team.
• Gain exposure to large-scale LiveOps and continuous content delivery.
• Take ownership of quality across a globally recognised title.
• Join a culture that values player experience, craftsmanship and continuous improvement.

Location

Helsinki, Finland (Office-Based)

Contract Type: Full-Time Contract

Duration: 12 Months

Start Date: ASAP