Senior R/Shiny Developer

Senior R/Shiny Developer We are a global leader in R and Shiny, which are used by companies of all sizes to build data applications. We are growing fast, so we are now looking for a new R/Shiny Developer to join our team. Apply here Your responsibilities: Designing comprehensive solutions in R for clients. Choosing the right technology solutions for the right problems. Sharing knowledge and driving innovation. Delivering the features according to the timeline or discussing/communicating the changes. Taking care of the direct communication with clients. Showing a high level of understanding of clients' problems. What we expect from you: Advanced R knowledge, including advanced mechanisms of Shiny (e.g., bindings, register DataObj, performance, promises, single-threading, etc.) and ability to effectively use them in practice. Proven track of building web applications or websites using R/Shiny and JavaScript. Writing high-quality optimal code. Good understanding of reactivity in Shiny and ability to troubleshoot. Experience in processing, analyzing, and visualizing data sets optimally. Advanced git knowledge. Very good knowledge of SQL. Experience using cloud computing environments (AWS, Azure, GCP). Experience with JS and ability to use it to implement visually impressive applications. You have a valid passport (when you're based outside of Poland) or ID (if you're based in Poland). Good understanding of Agile. Experience working in a team environment. What’s in it for you: Up to 25.200 PLN/month + VAT on a B2B contract ( Up to $5650/month ). Please check our career path document regarding levels and salary systems. 100% remote work, flexible schedule, and a global team culture. Work on impactful, real-world products used by enterprise clients and scientific industries. Time and budget for continuous professional development, including domain knowledge, certifications, and industry events. Collaboration with experienced engineers, data scientists, and subject matter experts in a supportive, high-trust environment. Modern equipment (MacBook or ThinkPad with Linux) and tools that enable efficient, high-quality delivery work. A remote-first culture built on trust, ownership, and kindness, where teams collaborate effectively and take pride in high-quality delivery. Important note: To complete the hiring process, you need to have a valid government-issued ID (for Polish citizens) or a valid passport (for non-Polish citizens). What can you expect during the recruitment process? General interview with the People Team Home assignment Tech interview with the Career Role Leader Final interview with the Head of Technology (we cherish our values; you can read more about them here ). Appsilon is committed to being a diverse and inclusive workplace. We encourage applicants of different backgrounds, cultures, genders, experiences, abilities, and perspectives to apply. All qualified applicants will receive consideration for employment without regard to race, color, national origin, religion, sexual orientation, gender, gender identity, age, physical disability, or length of time spent unemployed. Does this sound like a great opportunity for you? Use the Apply button below! Department Tech Locations Remote / LATAM, Remote/ EUROPE Remote status Fully Remote Monthly salary PLN7,300 - PLN25,200 Employment type Full-time About Appsilon At Appsilon, we create interactive and user-friendly applications for exploring and visualizing data , helping clients make the best decisions. Our solutions are used by Fortune 500 and large-scale organizations worldwide to invent new drugs, save people’s lives, optimize processes, and increase revenue. We specialize in custom-made, ready-to-use solutions in R and Shiny , but we also offer versatile data science expertise and a wide range of data-related technologies We don’t just code. We partner up with our clients to find the best solution for their business. We help with user adoption and releasing new tools in the company. We have a unique, cross-domain mix of skills , from Computer Science to Biostatistics, Genomics and Data Science. Our team consists of PhDs and industry experts. Our clients handle vast amounts of data. Organizing and visualizing this data in a manner that enhances decision-making impact, efficiency, and speed poses a significant challenge. Our solutions eliminate 1000s of hours of manual work for data scientists, preventing significant delays in delivering valuable insights. They are tailored to our clients needs and can be updated in real-time. Appsilon develops its own R packages t hat enhance the aesthetics, dynamics, and security of R Shiny apps. These packages facilitate the development and scaling of Shiny apps for enterprise customers, enabling them to accommodate thousands of simultaneous users and function on a distributed infrastructure. 100% remote company, no physical office, ability to hire top talent worldwide. Repeatable methodology to deliver results fast. Even in 4 weeks of production for enterprise customers. Experience in delivering results for the largest companies in the world. Before you apply, please read our code of conduct .