Front-End React.JS Engineer

Job Description

Dataseat was founded just over two years ago by two industry veterans and Entrepreneurs David Philippson & Dr Paul Hayton with the goal to change and improve the way App marketers run their programmatic media campaigns.

The company provides a Bidder or DSP as a service to App marketers to in-house programmatic media buying for user acquisition and re-engagement. Dataseat also provides analytics to support clients with insight on fraud, attribution accuracy and incrementality to help marketers build the business case to in-house and take control of the media strategy.

Dataseat is backed by industry leading VCs and Angel Investors. The role will sit within the Engineering team and you will be part of the programmatic advertising in-house revolution, developing our DSP service, producing insight for our customers and supporting product and commercial teams.

We operate in a big data environment, receiving in excess of 250,000 qps (queries per second) which we have to score in real time and respond within milliseconds with a decision to bid or not. We use cutting edge machine learning ensuring our clients receive the optimum results for their Ad spend.

The role is very hands-on, and If you are keen to join an early stage startup within the ad-tech industry and be part of a fantastic team then this is the opportunity for you. This role will provide huge opportunities for growth as it is such a pivotal role which will have an immediate impact on the business.


  • You will join our team of Engineers based in London – remote working is
  • Building and developing front-end components for the Dataseat DSP
  • Troubleshooting and debugging UI
  • Monitoring and improving front-end


  • Degree Computer Science, Maths, Physics or other numerate subject, or relevant Experience in online mobile advertising is a plus.
  • 3+ years experience working with Javascript and js.
  • In depth knowledge of Javascript, CSS, HTML and front-end
  • Knowledge of React tools and js.
  • Experience with user interface
  • Experience with browser based debugging and performance


  • Share Options
  • London based but opportunity to work from home several days a week (currently all the employees are working remotely full time).


Front-End React.JS Engineer
Contract Type
Job Location
Remote working & London office based
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