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Front End React.js Developer – eSports Start-Up – 100% Remote

Recruitment Revolution
Manchester, Greater Manchester
£50,000 - £60,000 Plus Perks & Equity
Closing date
17 Mar 2021

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Technology & New Media
Contract Type
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Job Details

We're going to change the way people watch live sports. Forever. We are looking for a talented Front End React.js Developer to join us on our journey of changing the live sports experience for 1bn sports fans. We are a highly focused team, building a fantastic product using lean product approach – and a lot of user testing and data!

Role Info:

React.js Developer – Social Gaming Live Sports Tech Start-Up
UK / Europe Remote
£50,000 – £60,000
Plus Perks & Equity
Flat Hierarchy – Very cool and accomplished leadership team

**Sport Technology Awards 2021 – 3x Finalists – Best Digital Tech, Best Fan Engagement & Best Esports**

Who we are:

Powerful social gaming over live video. Sport Buff is next generation audience engagement for sports video. We engage viewers through live predictions, polls, votes and more over the top of video content – live, replay and highlights. Even with time-shifted audiences, Sport Buff is the tool to bring the vibrancy and excitement of the live experience, over the top of replay content. We are currently working on a new campaigns in football (soccer), esports, basketball and more with world's leading rights-holders.

Buff is a workplace environment that values creative problem solving, open communication and a flat hierarchy. We are still defining our culture, so if you are awesome, want to work with passion on changing the way people watch video and engage with their friends, then join us and be part of something amazing.

Apart from working in sports, esports and gaming there are some other benefits of working at Sport Buff. Working with some of the biggest sports and esports brands in the world:

+ Engaging millions of fans
+ Working with a diverse and passionate team
+ Working with exciting tech and solving problems

The React.js Developer Role:

We are looking for a great JavaScript/Typescript developer who is proficient with React.js. Your primary focus will be on developing our WebSDK and Twitch Extension. You will be working on adding new features to the product as well as fixing any bugs.

Key Responsibilities:

+ Developing new features for our web SDK and Twitch Extension
+ Improve responsiveness and address any bugs
+ Collaborate with the team to define, design, and ship new features
+ Stay up-to-date on emerging frontend technologies

About You:

+ 3+ years experience as a React.js Developer
+ 3+ years experience in JavasScript/Typescript
+ Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
+ Knowledge of modern authorization mechanisms, such as JSON Web Token
+ Solid experience using/consuming REST APIs
+ Experience implementing testing platforms and unit tests
+ Appreciation for clean and well documented code
+ Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
+ Excellent English communication skills with the ability to contribute to architectural discussions
+ Competent with revision control systems (Git)

Bonus Points:

+ Experience developing Twitch Extensions
+ Experience with Agile development
+ Experience working with live sports data feeds and APIs (OPTA, Sportradar, etc)
+ A background in startups
+ Being a fan of live sports and watching sports

What can you expect from us:

+ Working directly with some of the greatest sports brands in the world
+ Work in an exciting fast paced tech start up environment
+ Working with sports and esports!
+ You have direct access to senior team members (CEO, CTO, VPs etc)
+ A hugely passionate team who will support you all along the way
+ Working with some of the latest technology creating a new experience for the public
+ A fantastic learning experience, with long term potential from being one of the first hires in what will become a significant team and product
+ Being part of something very special as we change the way sports fans engage with content
+ At Sport Buff, you are a key person of the team and company, and you will actually own some of the company you are building (with the employee equity scheme). + Being part of this business at this stage gives you power to shape the business for the future, not just the product but the culture and team too.

What to Send:

+ Links to your GitHub, LinkedIn and StackOverflow profiles
+ Anything that reflects on your knowledge and experience in the field


+ Pension contributions & tech allowance
+ Employee stock options – own part of the company you are building!
+ Learning fund, investing in our team
+ Pension contributions & tech allowance
+ Weekly snacks, lunches, socials

Please only apply if you are based within 0-3 hours GMT.

Interested? Apply here for a fast-track path to the Founding Team.

Your Experience / Background / Previous Roles May Include:
React.js Software Developer, React.js Engineer, React.js Software Engineer, React.js Front End Developer, JavasScript Developer.

Application notice… We take your privacy seriously. When you apply, we shall process your details and pass your application to our client for review for this vacancy only. As you might expect we may contact you by email, text or telephone. Your data is processed on the basis of our legitimate interests in fulfilling the recruitment process. Please refer to our Data Privacy Policy & Notice on our website for further details.

If you have any pre-application questions please contact us first quoting the job title & ref. Good luck, Team RR.


We’re Talent Acquisition Specialists that founded change in 2005. Since then we’ve helped over 2500 clients grow, prosper and lead.

# Our Story

Frustrated by poor experiences with traditional agencies, our founders (just two regular candidates), decided that the outdated industry needed modernising and a new balance of power. In 2005, a new kind of agency model was born, putting the client and candidate at the heart of the experience whilst removing the pushy sales, schmooze and high fees.

# What makes us different?

Aside from a sensible fee model, custom technology and a direct unhindered path to candidates we…

…don’t sell candidates and we don’t sell jobs: we facilitate relationships and champion the process of ‘organic hiring’ to help create stronger and longer-lasting engagements.

# Who we work with

With an industry reputation for delivering results we are the go-to talent finders for over 2500 clients. We work with everyone from tech start-ups to global brands who all demand the best service and talent.

From business owners hiring 2 people a year to Internal Recruiting teams hiring 200+ people a year, RR sources talent across all sectors and levels.

# Reputation

Our expertise have also been called upon by some of the leading job boards including the UK’s No1.

Recruitment Revolution is a member of the REC with a 100% compliance pass rate and holds a Feefo 5* Gold Award for Service.

For more information please contact Team RR on 0800 294 3113 or visit

Find Us
Castle Hill House
12 Castle Hill
United Kingdom
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