Device Performance Lab Engineer / QA Analyst

Why Join DAZN?

Joining DAZN in Tokyo means playing a key role in shaping how millions of fans in Japan experience live sports. As a Device Performance Lab Engineer/QA Analyst, you’ll operate our dedicated performance lab and ensure that DAZN runs flawlessly across the most important devices in the market. Your work becomes especially critical during major events like the FIFA World Cup, where stability and quality matter most.

You’ll collaborate with global Product and Engineering teams, influence real product improvements, and help build a long-term quality assurance capability from the ground up. If you’re passionate about delivering seamless user experiences and want your work to have a direct impact on fans, this is where you can make it happen.

The Role:
We are looking for a detail-oriented and highly motivated individual to join our Tokyo team as a Device Performance Lab Engineer. In this critical role, you will be responsible for the day-to-day operation of our newly established, dedicated device performance lab. Your primary mission will be to continuously test and monitor the DAZN customer experience across key Japanese market devices, serving as an early warning system for performance issues ahead of and during the FIFA World Cup, and continuing as a long-term quality assurance capability.

The ideal candidate has a strong background in QA or device testing, a passion for delivering flawless user experiences, and the ability to thrive in a fast-paced, live sports broadcasting environment.

Department

85-913 - Delivery - Production Operations

Employment Type

Permanent - Full Time

Location

Japan - Tokyo

Workplace type

Hybrid

What You'll Be Doing:

• Managing the day-to-day operations and maintaining the health of the Tokyo device performance lab and its infrastructure.
• Executing daily test plans across a data-driven inventory of Japanese market devices (Smart TVs, STBs, mobile devices, and tablets).
• Replicating real customer journeys, including app launch, authentication, live stream stability, VOD playback, and advertising sequencing.
• Identifying, logging, and tracking performance degradation, playback issues, and UX defects before they impact customers.
• Flagging and escalating regressions or failures immediately using centralized tracking tools (e.g., Jira, Confluence).
• Producing and sharing daily performance health summaries with key stakeholders.
• Conducting heightened monitoring during the FIFA World Cup, including pre-match readiness checks, live monitoring during high-profile fixtures, and post-match incident reviews.

What You'll Bring:

• Proven background in QA, software testing, or physical device testing
• Strong attention to detail and a structured approach to reporting and documentation
• Excellent problem-solving and troubleshooting skills
• Ability to work under pressure, especially during high-traffic live sporting events
• Fluency in both English and Japanese (written and spoken) to effectively communicate findings to local and global teams

Benefits

• Social security included (Health care insurance, Employee pension scheme, Employment insurance, Labour personal accident insurance)
• Annual Health Exams
• Defined Contributions Plan (DC)
• Annual paid leave of 15 days (pro-rated depending on the start date) 
• Company doctor (monthly inspection of office as well as stress check)
• Free subscription on DAZN 
• Access to free tickets for every J-league game and occasionally for other sports 
• Paid commuting allowance up to 30,000 yen a month 

About DAZN

At DAZN, we bring ambition to life. We are innovators, game-changers and pioneers. So, if you want to push boundaries and make an impact, DAZN is the place to be. 

As part of our team, you'll have the opportunity to make your mark and the power to make change happen. We're doing things no-one has done before, giving fans and customers access to sport anytime, anywhere. We're using world-class technology to transform sports and revolutionise the industry and we're not going to stop. 

DAZN VALUES – THE ‘HOW’ IN WHAT WE DO:  

Agility and creativity fuel growth and innovation, to Make It Happen. 

Prioritising what matters drives progress and positive outcomes, Focusing On Impact. 

Collective ambition builds optimism and success, in order to Win As One. 

At DAZN, we are committed to fostering an inclusive environment that values equality and diversity, where everyone can contribute and have their voices heard. This means hiring and developing talent across all races, ethnicities, religions, age groups, sexual orientations, gender identities and abilities. 

If you’d like to include a cover letter with your application, please feel free to. Please do not feel you need to apply with a photo or disclose any other information that is not related to your professional experience.

Our aim is to make our hiring processes as accessible for everyone as possible, including providing adjustments for interviews where we can.

We look forward to hearing from you.