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Front-End JavaScript Developer

19 Mar 2018
£55,000 to £65,000 pa
Islington,G. London,United Kingdom
Job type
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We are looking for a JavaScript Developer to work on our internal and external client and customer facing services and applications.
The successful candidate must be able to demonstrate a good front-end knowledge, as well as a solid understanding of data structures, algorithms and work flow. You will help us in development of the company’s in-house software that facilitate user behaviour analysis in the context of Human Computer Interaction. This involves inventing novel methods for scalable data acquisition, data mining, data analysis and the best ways to display the resulting data-set back to the user.
You will also help to enhance the software to be used in distributed environments. Since we are pioneers in the field, you will help us discover and apply innovative approaches to our existing technology. Finally, you will help to maintain day to day IT affairs of the company.
Requirements: Front-end developer who is willing to build rich, interactive web applications for our AWS cloud-based data driven platform. You should have excellent understanding of HTML, JavaScript (ES5, ES2015+) - including, React.js, vue or similar libraries. We are looking for candidates with at least 3 years of experience who are ready and able to take on a challenge and learn a lot quickly.
Ultimately we are looking for an individual to take a lead on our Google Chrome Extension development and Study management systems – both require applications to be designed in Javascript / Typescript with shared functionality (page ad detection, logging to tracking systems etc.)

Must have skills:
- Excellent HTML5 and JavaScript
- Jquery, AngularJS, React.js, NodeJS or similar libraries
- An undergraduate degree in computer science or software development
- Experience with Version Control Systems (Git or similar)
- Personable, with a patient and detail-oriented approach to work
- Attention to details, strong analytical intuitions and creativity and entrepreneurial flair
Highly desirable skills:
- Working knowledge of Git and project mangement tools like Jira
- Continuous Integration and development
- Experience with Webpack, NPM
- Typescript development
- Chrome Extensions (similar to adblocker)
Desirable skills:
- Good understanding of best practice UI and UX
- Responsive web design strategies
More about us: Lumen is a successful innovative data driven ad tech company, using eye-tracking technology to measure the salience and engagement of visual communications. We help publishers, advertisers, and their agencies understand what really gets – and keeps - people’s attention. Revenue generating activities include:
Digital: Optimising online creative: A/B testing of design elements to go beyond click-through-based approaches.
- Understanding which elements of a TV ad are really driving attention and optimising creative development
- Optimisation the attention that advertising receives in papers and magazines through large scale A/B tests
Direct: Optimising DM and CRM materials like emails, letters and bills
In-store: We conduct small-scale qualitative in-store studies (using head mounted eye tracking glasses) to understand what elements shoppers actually engage with.
Virtual Reality: Using eye-tracking on 3D virtual environments, we provide a low-cost way of testing following categories at speed and scale: out-of-home advertising creative, packaging designs, in-store studies

Clients: Tesco (bank, mobile, etc.), BT, e.on, NSPCC, Dixons, Carphone warehouse, Morrison, Lidl, Curry’s, Sainsbury’s, Guardian, British Gas, etc.
Working Environment: You will be working within a technical team that includes those working on the Eye Tracking Software and next to those doing the data analysis. We are a fast paced and highly motivated small team who enjoy a weekly sporting event, a socializing event once a month and a trip away as a group once a year (Rome and Barcelona so far).

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TWRG Ltd Sectors: Advertising and PR, I.T.
Locations: , Greater London, North West England, South East England, South West England