Find An Innovation Professional OpenGenius

Web/Javascript Developer

The Company

Over 1 million people worldwide are using our software tools to boost their productivity and creativity, and we’re proud to have recently become the first Welsh company ever to join the London Stock Exchange Elite accelerator programme. We have ambitious plans for growth, and are looking for positive, passionate and self-motivated JavaScript Developers to join our growing team.

OpenGenius Ltd owns and is headquartered in the highly desirable offices at Tec Marina, Penarth. Find out more about Tec Marina at and don’t forget to take our 360° office tour where you can check out our kitted-out games room, 5-star gym and top-quality bean to cup coffee machines!

The Opportunity

We are a team of skilled, motivated individuals working in an Agile environment on our globally successful product Ayoa. As a JavaScript Developer at OpenGenius Ltd, you will help shape the direction of our current and future products by working with the existing team to design, implement and deliver features and improvements to our products.

About you

We are looking for JavaScript developers with at least 3 years experience developing web applications and products. You will be working closely with other Developers, Product Owners, Designers and Testers to continually deliver updates to our Webapp, Desktop apps (Electron) and Android App (React Native). The successful candidate will be able to demonstrate the following skills:

  • Experience building web applications using JavaScript, HTML & CSS. You may have achieved this using popular web frameworks such as React, Angular or Vue.js

  • Experience building API’s using languages such as Node.js, PHP or Ruby

  • Experience designing and working with databases such as MongoDB, SQL or CouchDB

  • Ability to work in a fast-paced agile team using continuous delivery

  • Ability to provide and receive constructive feedback through code reviews and technical discussions

  • Experience using user version control

  • A pragmatic approach to problem-solving with the ability to consider all aspects of product development (user need, business need, technical need, etc)

  • Incredible attention to detail and code quality. You understand and advocate the benefits of well-formatted and documented code.

You will be working on both client and server code using a number of languages and technologies including React.js, Node.js, Express.js, SVG and MongoDB. Whilst it is not required that you have experience in each of these technologies, you will be expected to demonstrate your enthusiasm and willingness to learn.


  • Free use of onsite 5-star gym and shower rooms.

  • Free unlimited tea, hot chocolate and bean-to-cup coffee.

  • Flexible working hours

  • Happy Birthday – Take the day off, paid!

  • 20 days holiday + bank holidays

  • Accumulate an extra 2-days holiday for every year you’re with us.

  • Regular company socials and events.

Work in one of the coolest office spaces in the UK

OpenGenius owns and is headquartered in the highly desirable offices at Tec Marina, Penarth. With plenty of free parking and just a short walk away from Cogan train station, you’ll be joining a well-connected, highly creative and collaborative community, passionate in developing innovative and creative software solutions.

We reward attitude, ability and performance. For the right candidate, this is an invaluable opportunity for business and career growth. If you’re looking to work within a driven, hard-working and committed team who are inspired to change the way that millions of people think and work for the better, we would love to hear from you. Apply now with a CV and covering email explaining your experience and suitability for the role.

Salary: Highly competitive depending upon experience

Job Type: Full-time

Experience: JavaScript: 3 years (Required)


If this sounds like the ideal job for you, and you think you meet our requirements, click here to apply today.