Senior R developer
Are you passionate about technological innovation and digital transformation?
At Raona, we develop IT solutions focused on digital transformation and process automation within Microsoft environments.
We are a company with over 330 raonencs across Spain, Andorra, Argentina, and Colombia. We are characterized by being goal-oriented, proactive, autonomous, and entrepreneurial.
With more than 20 years of experience, we foster a collaborative, innovative environment with a great vibe.
📄 The Vacancy
Join our team as a Senior R Developer, whose main responsibilities will be:
- Developing interactive web applications using R Shiny, applying reactive programming and modular design.
- Creating dynamic visualizations with ggplot2, plotly, and leaflet.
- Manipulating and processing data using tools like dplyr and tidyr.
- Integrating databases (MySQL, PostgreSQL, SQLite) through packages like DBI.
- Customizing interfaces with HTML, CSS, and JavaScript.
- Optimizing performance and scaling applications on shinyapps.io, RStudio Connect, or local servers.
- Collaborating with teams to translate business needs into functional and visual solutions.
If you're eager to be part of a team with a great work environment and make a meaningful impact, then we're waiting for you!
What do we need from you?
R Programming:
Advanced knowledge of R for statistical analysis, data manipulation (e.g., dplyr, tidyr), machine learning, and custom algorithms.
Shiny Framework:
-Designing fully interactive web applications with R Shiny.
-Experience with reactive expressions, observers, and modular components.
-Use of Shiny UI elements (e.g., inputs, outputs, layout functions).
Web Development Fundamentals:
- Familiarity with HTML, CSS, and JavaScript for customizing application appearance and functionality.
-Use of extensions like Shiny UI themes or Shiny Dashboard for polished interfaces.
Data Visualization Tools:
- Proficiency with ggplot2, plotly, leaflet, and other visualization packages.
- Integration of dynamic, interactive plots in applications.
Database Skills:
- Working knowledge of databases such as MySQL, PostgreSQL, or SQLite.
- Ability to connect applications to back-end databases via R packages like DBI and RSQLite.
Performance Optimization:
- Debugging, optimizing code efficiency, and handling app scalability (e.g., shinyapps.io, RStudio Connect, or local server deployments).
What do we offer?
📑 Permanent Contract from day one.
🏡 Hybrid Work or Remote Work: We believe in flexibility, offering you the option to work from wherever you feel most productive—your home or our office in Barcelona!
🍔 Meal Voucher: Enjoy delicious moments with a meal voucher to savor your favorite dishes.
💻 Smart Working for Tech Equipment: We understand that a comfortable environment is vital for remote work. We provide a budget for you to choose your IT and tech equipment.
🎓 Official Microsoft Certifications: Access official Microsoft certifications and take your skills to the next level.
🌟 Reference Reward Plan: Sharing is rewarding—literally! Recommend someone to join the Raona family and receive a reward.
🌴 Vacation: Enjoy 23 working days of vacation to recharge and explore the world.
🎉 Enraona: We love celebrating together! Enjoy annual corporate events.
💰 Access to the Benefits Club.
🥗 When you come to the office, you can order healthy food with Nora Real Food. (Only for the Barcelona office)
👁🗨 Attend our online webinars: INTERNAL RAONA'S EXPERT TALKS or RAONA WELLNESS.
Who are we at Raona?
We aim to attract the best talent regardless of gender, age, ethnicity, religion, sexual orientation, or other personal characteristics. We have an active Equality Plan 2022–2026 and promote a respectful and dignified work environment, free from discrimination.
Furthermore, we support the professional development of our team, ensuring equal opportunities in selection, training, and promotion. We are committed to society through our #womentech program, empowering female talent in the tech sector.
Join our team and be part of this adventure!
- Departamento
- Development (Software, Cloud, Mobility,…)
- Ubicaciones
- Barcelona, España
- Estado remoto
- Híbrido
- Salario anual
- 29.000 € - 33.000 €
- Tipo de empleo
- Tiempo completo
- Nivel de empleo
- Profesionales

Barcelona
Acerca de Raona
Somos empresa con esencia hybrid-first, con cultura internacional y con un amplio expertise en la tecnología de hoy y conocimiento de la del mañana, permitiéndonos acompañar a las empresas a escoger la mejor opción tecnológica y metodología, para cumplir sus objetivos de futuro corporativo.
Con orgullo afirmamos, que cada uno de los expertos/as que forman Raona, cree con firmeza en los valores de la marca: Compromiso – Rigor – Innovación - Creatividad
We Believe in technology. We believe in People: Gracias a los valores que fomenta Raona, cada uno de nuestros expertos y expertas, siente que ya está formando parte del futuro de la tecnología avanzándose al sector. Ser Raonenc/a es estar comprometido/a con cada proyecto y ser riguroso/a en su desarrollo. Estamos orgullosos de contar con una organización muy activa en generación de contenido de futuro gracias a nuestros Raonencs y Raonencas y por nuestra firme apuesta de crecimiento personal y de talento como parte fundamental de la marca.
Por eso llevamos más de 20 años siendo el partner de confianza de las grandes empresas como Vueling, SEAT, Sanitas, Abertis, Desigual, Telefónica, Bayer o The Walt Disney Company.
Ahora, solo nos quedas tú.
Senior R developer
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