Game Studio Game Tester Stockholm

Slotmill; Stockholms kommun; On-site; SEK 35,000 - 50,000; Full time

Job summary

Slotmill is seeking a Manual Game Tester passionate about online slot games to ensure high-quality player experiences. In this role, you will work closely with developers and product teams to test game features and verify game behavior against specifications. Candidates should have experience in testing online slots, a structured approach, and strong communication skills. Join Slotmill, a growing game studio focused on innovation in iGaming and unparalleled game quality.

Qualifications

• Proven experience testing online slot games or similar.
• Strong curiosity and willingness to learn how systems and features work.
• Comfortable working in a fast-moving environment.

Responsibilities

• Work closely with developers and product owners to test games.
• Execute and document manual testing across development stages.
• Identify and report bugs and usability issues.

Skills

Experience testing online slot games

Structured and detail-oriented approach

Curiosity and willingness to learn

Excellent communication skills

Collaborative work style

Fluent in English

Tools

Test automation concepts/tools (e.g., Playwright)

Job description

As a manual Game Tester, you have a genuine passion for online slot games and a sharp eye for detail. You enjoy exploring how things work, asking questions, and collaborating with others to ensure everything behaves as expected. With a curious and hands‑on approach, you take pride in verifying that games and features deliver a high‑quality, consistent player experience.

You will work closely with Game and Framework teams to test builds, validate features, and ensure that the games functions as intended, from core gameplay to edge cases and user interactions. You will also be responsible for the overall quality of games, making sure they adhere to both internal and regulatory requirements.

Key Responsibilities

• Work closely with developers, product owners, and other team members to test games and features throughout development
• Execute and document manual testing across different stages of the development lifecycle
• Verify that game behavior, flows, and user experiences match specifications and expectations
• Identify and clearly report bugs, inconsistencies, and usability issues
• Explore games creatively to uncover edge cases and unexpected behaviors
• Contribute to improving team testing practices and ways of working

Requirements

• Proven experience testing online slot games or similar.
• A structured and detail‑oriented approach to testing
• Strong curiosity and willingness to learn how systems and features work
• Willingness to learn and grow within QA and test automation
• Excellent communication skills, with the ability to clearly describe issues and findings
• Comfortable working in a collaborative, fast‑moving environment
• Fluent in English, both written and spoken

Merits

• Interest in online games, especially slot games
• Familiarity with test automation concepts or tools such as Playwright.

About Slotmill

Slotmill was founded in 2019 and is a game studio with an articulated focus on developing unique and innovative slot games of the highest quality. Our client list is growing rapidly and includes well over 1000 online casinos around the world. The team at Slotmill shares a passion for online gaming, and combined, we have over 250 years of industry experience! Development is done using the latest technology and bespoke processes and frameworks, enabling us to produce AAA‑class games at record speed.

Join us in shaping the future of iGaming by delivering exceptional gaming experiences to players worldwide.