Senior R & Shiny Developer
Lisbon, Portugal
há 13 horas
source : Just Join IT

Data Visualization (regular)

R (advanced)

7N is an agent for high-end IT professionals. For over 30 years of operation we have proven that a clear and transparent financial model , collaboration exclusively with experts in their respective fields, and taking good care of them, comprise the best possible IT consulting model.

We act as an individual agent for our consultants and promote their competences to our clients by offering them a wide range of projects in which they may participate.

  • We add wage transparency, career development support and professional stability . Our main goal is a long-term collaboration;
  • therefore the majority of our staff have been with us for many years.

    About the project

    We're looking for a Senior R&Shiny Developer who wants to join a pharma industry project . The team develops software tools that help technical and non-technical users to work with Real-World-Data (RWD) and provides technical support for RWD Hub projects.

    Developing complex analytical apps & dashboards for rapid exploratory analysis of real-word data (clinico-genomics, clinical trials).


  • Very good knowledge of R & Shiny framework
  • Experience in developing production-ready R packages and Shiny apps
  • Familiarity with RStudio products
  • Experience with Tidyverse (dplyr, magrittr pipes, tibble, tidyr, purrr, etc.)
  • Familiarity with SQL queries
  • Experience with R package development (unit-testing with testthat, roxygen2, usethis, pkgdown)
  • Working with APIs, JSON, YAML
  • Knowledge of data visualization (ggplot2)
  • Familiarity with programming paradigms in R (procedural, functional, reactive)
  • Experience with web data products development (shiny, shiny modules) and web technologies like CSS, HTML, JS
  • Familiarity with parallel and async programing (furrr, future, promises)
  • Knowledge with environments & CI / CD pipelines (Git, GitHub / GitLab, packrat / renv)
  • Very good English skills
  • Tasks

  • Developing and maintaining R packages and Shiny dashboards
  • Providing technical support as R & Shiny developer
  • Contributing to portfolio of internal and open-sourced projects
  • Closely collaborating with other members of the team
  • Delivering high-quality, well-tested and well-documented work results
  • We offer

  • Remuneration based on a B2B model : 16 800 - 20 160 PLN (100 - 120 PLN / h) + VAT wages may vary depending on experience and qualifications of a given candidate.
  • Transparent wage model; disclosed margin for 7N. The aforementioned wages are target wages paid to the consultant for the subcontracted work
  • Clear wage model (75 / 25). 7N Consultants receive 75% of the amount paid by the Client. These are final wages to be received by the consultant.
  • Professional development support. We subsidize trainings, technical certificates, conference participation, and foreign language classes.
  • Additionally, 7N Consultants have opportunities to take part in internal training sessions and develop their interpersonal skills within the framework of the 7N Secret Code.

    Learn more about it here : 7N The Secret Code

  • 7N Inspiration Team’s support and an opportunity to join their ranks. They are a group of 7N Consultants who consistently and actively share their professional knowledge and expertise.
  • Read an article from one of the 7N Inspiration Team’s members here : 7N - From Gitlab CI to Azure App Service

  • Cooperation with real experts the average professional experience of a 7N consultant is 10 years. Check out one of our discussion panels here : Does a Scrum Master need a background in programming (in Polish)
  • Comprehensive and personal project support from one of a 7N Agent . Priority regarding project continuity and quality. See what one 7N Consultant said about the role of 7N Agents and project opportunities .
  • Numerous (10-12 each year) high-end events both online and offline . See the 7N KickOff 2021 clip here : https : / / www.
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  • Healthcare, Benefit Multisport and life insurance subsidies regardless of cooperation model. Access to Mindgram , a psychological support and professional development platform.
  • Professional and quality-oriented recruitment process led by the most experienced recruiters in the industry. Read more about it in the
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