R/Shiny Developer

Every few months we start completely new projects and dive into a completely new world. One day we learn the secrets of promotions in retail chains, another day we analyze satellite images, and then we get super interesting data from the residential market for analysis. Our projects are not only an opportunity to test our skills in difficult statistical, algorithmic, and technological problems but also an opportunity to learn how many different industries work from the inside.

Tech Stack that you can expect in Appsilon: R, Shiny, JavaScript, React.js, Python, Docker, Git, AWS, HTML, CSS/ Sass.

We are growing fast, so we are now looking for a new R/Shiny Developer to join our team.

Your tasks:Building advanced Shiny apps, especially for large customers.Understanding the limitations of R and Shiny and proposing ideas on how to overcome them. You should have knowledge of the advanced mechanisms of Shiny (e.g., bindings, register DataObj, performance, promises, single-threading, etc.) and effectively use it in practice.Scaling Shiny to 1000s concurrent users. Contribution to performance optimization on different levels (frontend, backend, infrastructure). Understand the way Shiny uses WebSockets.Implementing visually impressive apps independently from a Graphic DesignerExtending Shiny apps with advanced functionalities e.g. using custom bindings, JS events in Shiny, JS-Shiny communication, Web Components, etc.Delivering solutions known for high-quality thanks to well-balanced test pyramid.

What we expect from you:Experience in building web applications or websites using R/Shiny or JavaScript or PythonImplementing visually attractive apps based on the input from the UX/UI DesignerExperience in using unit testing as a natural technique for improving your code structure. Automates other tests such as end-to-end or performance testsFluency in English

What’s in it for you:From 7000 up to 22.000 PLN/month + VAT on a B2B contract ($1600 - $4900/month). Please check our career path document regarding levels and salary systems.26 days of paid holidays + an equivalent of public holidays in Poland, est. 11 days in 2022+5% of salary in the Professional Development Budget to spend on activities that help you grow33 days (paid 80%) per year on B2B when on a sick leave4 paid days per year to be used for training/conferences, events, or workshopsRemote work-first working culture with flexible working hours to adjust to your family lifePrivate health care insurance for you and your familyLife insurance for you and your familyFitProfit or FitSport membership card (in Poland)AskHenry – a personal assistant, works great in large Polish cities, elsewhere limited to online supportOpportunity to work with prestigious brands where you can see how data science is usedOpportunity to develop yourself as an independent Shiny expert in a data science community

What can you expect during the recruitment process?Screening callHome assignmentTech and Culture Fit Interview (we cherish our values, you can read about it more here: https://appsilon.com/careers/).

Key Skills

• Backend
• CSS
• Python
• JavaScript