Front End Developer - Experimentation


Front End Developer - Experimentation


  • Work Location Type:
  • Office:
  • Type of Employment:
    Full Time Permanent
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About Kindred

Kindred Group is a digital entertainment pioneer bringing together nine successful online gambling brands, forming one of the largest online gambling groups in the world. Our purpose is to transform gambling by being a trusted source of entertainment that contributes positively to society. Our goal is that 0% revenue is derived from harmful gambling.

Our global team of more than 2000 people represents 60+ nationalities. When you join Kindred, you'll be part of a collaborative, diverse and inclusive team that has your best interest at heart. We are a trusting company that knows the value of a healthy work-life balance. We offer a wide range of benefits, along with a hybrid working model which allows flexibility between working from home and enjoying our superb office facilities.

Product Analytics is part of a wider Analytics team with 70+ analysts and engineers, we are continuing to grow, and we would love to hear from you. Product Analytics supports insight driven decisions across Sports, Gaming, Registration and Player sustainability areas.

As an Experimentation Front-End Developer, you will be instrumental in building and testing new feature prototypes. Your main task will involve creating minimum viable products (MVPs) for A/B testing to enhance user engagement and optimize site performance. This role requires a blend of creativity and technical expertise, as you will be turning ideas into tangible features that can be rapidly tested and iterated upon.

What you will do:

  • Prototype Development: Code new feature prototypes using HTML, CSS, and JavaScript.
  • API Integration: Work with various casino and sports APIs to fetch data and integrate it into feature prototypes.
  • A/B Testing: Implement and manage A/B tests to evaluate the effectiveness of new features.
  • Tracking and Analysis: Implement tracking mechanisms and collaborate with the data team to analyse test results.
  • Collaboration: Work closely with product managers, designers, and other developers to refine ideas and turn them into testable features.
  • Rapid Iteration: Based on A/B test results, iterate on prototypes and develop them further if successful.

Your experience:

  • Strong proficiency in HTML, CSS, and JavaScript.
  • Familiarity with RESTful APIs and data integration.
  • Knowledge of React.js or similar front-end frameworks.
  • Experience with A/B testing tools and methodologies.
  • Ability to build MVPs and iterate quickly based on feedback.
  • Experience with any of the experimentation platforms e.g. Optimizely, Growthbook
  • Basic knowledge of SQL
  • Excellent problem-solving and communication skills.
  • Understanding of user experience (UX) principles.
  • Experience in the online gaming or betting industry is a plus.
  • Analytical skills and experience with data tracking implementation is a plus.
  • Bachelor's degree in computer science or related field, or equivalent work experience.

At Kindred we see challenges as an opportunity to do something in a better way both personally and professionally. Our purpose is to transform gambling by being a trusted source of entertainment that contributes positively to the society. Our ambition is to reach 0% revenue from harmful gambling by 2023. Our success is built on trust; we trust each other to deliver on our promises and believe giving ownership and responsibility at all levels is the way to make the right choices for Kindred and our customers.

What do we offer?

⚡ A great team with passionate analysts and engineers
🌍 Mix of 60+ nationalities and Swedish culture in an English-speaking environment
🌆 Awesome offices with ergonomic desks, table tennis tables, free breakfast and fresh fruit
🛫 25 days paid vacation plus bank holidays
🌳 3 days CSR leave
📈 Employee share plan
📗 Training budget, conferences, access to LinkedIn Learnings, mentoring programmes
⚕️ Private medical insurance
👶 Enhanced maternity/paternity leave
⚡ Wellbeing allowance
💱 Up to 8% pension contributions
🏡 Flexible working Occasional travel to other Kindred Group offices including Stockholm and Malta Meetups and calendar of social events in the office; quarterly Analytics socials.



Our Way Of Working

Our world is hybrid.

A career is not a sprint. It’s a marathon. One of the perks of joining us is that we value you as a person first. Our hybrid world allows you to focus on your goals and responsibilities and lets you self-organise to improve your deliveries and get the work done in your own way.

Application Process

Click on the “Apply Now” button and complete the short web form. Please add your CV and covering letter in English to let us know your motivation for applying and your salary expectation. Our Talent Acquisition team will be in touch soon. Kindred is an equal opportunities employer committed to employing a diverse workforce and an inclusive culture. As such we oppose all forms of discrimination in the workplace. We create equal opportunities for all our applicants and will treat people equally regardless of and not limited to, gender, ages, disability, race, sexual orientation. We are committed not only to our legal obligations but also to the positive promotion that equal opportunities bring to our operations as set out in our sustainability framework. Kindred has an ESG rating of AAA by MCSI.



  • Work Location Type:
  • Office:
  • Type of Employment:
    Full Time Permanent
  • Reference Number:


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Spaces, Calle de Manzanares 4, Madrid, Spain, 28005


Well-being allowance
Learning and development opportunities
Inclusion networks
Charity days
Long service awards
Private medical insurance
Life assurance and income protection
Employee Assistance Programme

Meet the recruiter

Maxim Martea

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