We are looking for a driven Frontend Developer to join our newly formed conversion rate optimization team in Košice / Bratislava. You will work on a mix of leading and emerging online casino brands for the web. You will turn ideas or concepts into A/B or multivariate tests to beat our original versions. You will be reporting to the Head of Product Design & User Research located in Vienna.
Your responsibilities
- Help to measurably improve pages and experiences for our online casinos
- Work closely with internal stakeholders to turn requirements, ideas and concepts into testable experiments in the form of HTML/CSS/JS code
- Ensure correct tracking of an experiment’s success metrics and other custom events
- Achieve high quality code and knowledge sharing by collaborating with other developers or colleagues (code reviews, pair programming, QA)
- Create a frontend development environment that you deem necessary to deliver code effectively and efficiently
- Challenge, critique and contribute to current conversion rate optimization projects
- Lead discussions relative to the future direction of frontend development practices in the Conversion Rate Optimization team
Our expectations
Within the first month we expect you to
- Close any fundamental knowledge gaps in regards to implementing A/B or multivariate tests to ensure effectivity (we will provide you with any necessary trainings and resources)
- Establish relationships with the Project Manager and Frontend Developer in Slovakia as well as the Product Design & User Research team in Austria
- Familiarize yourself with Greentube as an organization and its products, key metrics, tools and processes
- Collaborate with the teams in Vienna and Slovakia to start setting up workflows and processes that will ensure a delivery for high quality experiments
- Create a development environment that lets you excel at what you do best: Producing high quality code consistently
- Achieve the launch of a first A/B or multivariate experiment with the support of the team in Vienna
Within three months we expect you to
- Implement and launch multiple experiments for products based on AngularJS or VueJS that are integrated flawlessly with Google Analytics to ensure the correct tracking of key metrics and events
- Regularly communicate with the development teams whose code you are changing when launching A/B or multivariate tests
- Achieve high code quality by using proven methods such as code reviews and pair programming
- Strengthen and broaden your working relationships with key stakeholders in Greentube such as product managers, designers, developers and marketing experts
- Build a better understanding of our products and their features, key user journeys and our design and research practices
Within a year we expect you to
- Implement various different ideas from low to high complexity effortlessly
- Explore A/B or multivariate testing options for mobile apps to implement first trial experiments
- Achieve an improved and steady delivery of implemented experiments and data reports by continually refining and improving your workflows and processes based on your own observation and received feedback
- Scale your efforts to support a larger degree of experimentation efforts matching or exceeding our previously achieved velocity (multiple tests launched for various online casinos every month)
Our ideal candidate
- Has 3+ years’ experience coding real world web projects
Is proficient in HTML/CSS/JavaScript (including Vanilla JS, ES6+) - Has experience working with SPA Frameworks such as Angular, React or Vue
- Has experience with proven concepts to create clean code and reduce bugs (QA, code reviews etc.)
- Has experience implementing A/B or multivariate tests with the help of tools such as Maxymiser, Optimizely, Google Optimize or some equivalent
- Has experience with VCS such as Git is a plus
- Has excellent communication, presentation and organizational skills with a strong work ethic
- Understands how design and research are key to measurably improve a product
- Is passionate about creating and optimizing experiences
- Appreciates and understands that seemingly small details like typography or copy can have large impacts
- Has experience integrating with Google Analytics / Google Tag Manager or similar products and intermediate understanding of statistics (mean vs. average, statistical variance, etc.)
- Is passionate about keeping up with current technology trends
- Has experience with Agile or Lean methodologies
- Is proficient in English to communicate with stakeholders in Greentube’s offices across Europe (Austria, UK, Malta)