Technology 2 Technology 2

Principal Front End Engineer (AdTech)

Hammersmith, London, United Kingdom

Job Description

Job Title:
Principal Front End Engineer (AdTech)
Hammersmith, London, United Kingdom
Full-Time, Permanent
Software Engineering

What's your new role about?

Do you want to be part of a team that engineers a global product that’s used by millions of users daily?
DAZN is one of the fastest-growing OTT companies in the world and streams over 40 different sports, from more than 300 different leagues, in over 200 countries. Since we launched in 2016, we have streamed more than 700+ million hours of content!
This role is for someone with experience developing advertising technology and wants to help lead DAZNs future advertising by assisting and guiding others. This is a hybrid role that combines engineering and advertising knowledge. You will be encouraged to use your initiative to drive ideas forward.

The AdTech team is responsible the expansion of video advertising across all DAZN's app platforms and is considered a key revenue generator for the company. For DAZN AdTech starts with pitch side cameras and goes all the way through to every user.
 Benefits include 25 days’ annual leave (increasing by 3 days after 3 years), private medical insurance, life assurance, pension contributions up to 5%, access to learning portal, training and development and more.


  • Manage and deliver advertising technology onto our video platforms across multiple devices with the player Engineering team
  • Collaborate with the Video Player Team on the best direction to take in order to accommodate current and future advertising needs
  • Work closely with our ad product team to ensure we are meeting our business objectives
  • Use your advertising experience to ensure areas such as privacy, DAI, programmatic, OTT delivery etc. meet industry-standards
  • Integrating Ads to increase engagement and revenue
  • Work closely with our ad product team to ensure we are meeting our business objectives


  • Vanilla JavaScript/TypeScript (should be comfortable not working within FE frameworks like React etc) 
  • Spike Driven Development Mindset (curious, inquisitive, and persistent) 
  • Have an understanding of advertising technologies such as DSPs, VAST/VMAP, Dynamic Ad Insertion and its APIs integrations
  • Knowledge of video streaming technology such as HLS/DASH manifests and SCTE markers etc
  • Experience developing web player technologies
  • Experience in the development of advertising technology
  • Performance Mindset 
  • Strong Web Engineer 


  • Reactive Programming (We use RxJs) 
  • ABR Libraries (Shaka, AVPlay, HasPlayer etc) 
  • MSE/EME 
  • Living Room Device XP (Smart TVs, Set-top boxes, gaming consoles) (video Playback technologies Tizen, SkyQ, WebOS, WebMAF) 
  • Testing, CI/CD 
  • APM tools (We use Conviva, New Relic) (Other examples: App Dynamics, Splunk, etc.) 
  • Experience maintaining JS libraries 

Here's a little more about us…

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.
If you're ambitious, inventive, brave and supportive, then you're the kind of person who's going to enjoy life at DAZN.
We are committed to fostering an inclusive environment, both inside and outside of our walls, that values equality and diversity and where everyone can contribute at the highest level and have their voices heard. For us, this means hiring and developing talent across all races, ethnicities, religions, age groups, sexual orientations, gender identities and abilities. We are supported by our talented Employee Resource Group communities: proud@DAZN, women@DAZN, disability@DAZN and ParentZONE.
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.