Data Science Software Developer

Empowered by our motto, "Making Data Matter", Keyrus stands at the forefront of global consultancy in Data & Analytics, AI & Machine Learning, and Digital Transformation. With a presence in 27 countries across 4 continents, we're on a mission to elevate the impact of data.

We are data experts, guiding our clients through their data journey regardless of their level of maturity in analytics. As an end-to-end partner, we address varied challenges that our clients face, from Advanced Analytics, Cloud, Data Governance, Visualisation to Enterprise Performance Management, from advisory to delivery.

With more than 3200 employees in all corners of the world, Keyrus is dedicated to helping businesses taking advantage of the Data and Digital paradigm to enhance their performance, facilitating, and accelerating their transformation, and generating new drivers of growth, competitiveness, and sustainability.

Job Summary 

Keyrus is looking for a Data Science Software Developer to build high-quality tools, applications, and packages in R and Python that support scientific research, analytics, and business processes. 

This role combines software engineering practices with a strong understanding of data workflows, aiming to create user-friendly, reliable, and validated software for internal teams.

Experience in the pharmaceutical or healthcare domain is a plus, especially with familiarity around clinical development standards and regulated environments.

• Note: All applications/CV’s must be submitted in English.
• It is a full remote role based in Portugal. 
• Starting date: October 2025

Key Responsibilities

• Collaborate with statisticians, programmers, and data scientists to translate analytical and business needs into functional, scalable software tools and packages.
• Design, develop, test, and maintain enterprise-grade applications and reusable packages using R, Python, and associated frameworks (e.g., Shiny, Dash).
• Integrate applications with SQL/NoSQL databases and manage data access securely and efficiently.
• Develop and document validated GxP-compliant tools, following Computer System Validation (CSV) processes and relevant regulatory frameworks.
• Create user and technical documentation, and provide training or workshops as needed.
• Track and manage development progress, issues, and enhancements using tools like GitHub or JIRA, applying Agile development practices.
• Maintain tools post-deployment, releasing regular updates and responding to user feedback.
• Contribute to innovation projects and provide subject matter expertise in internal product development and change initiatives.

Requirements for the role 

• Bachelor’s degree (or equivalent experience) in Computer Science, Data Science, or a related field.
• Strong experience in R and Python programming, especially for building applications and reusable packages.
• Proven ability in full-cycle software development:
• Application architecture
• Integration with databases
• Code modularization and reuse
• Version control (Git)
• Testing and debugging
• Deployment and scaling
• Strong communication skills, with the ability to work with both technical and non-technical stakeholders.
• Experience using GitHub or similar tools for source control and collaborative development.
• Fluent in English
• Must be a Portuguese or European citizen or have a work permit for Portugal

Good to have:

What we offer at Keyrus Portugal:

• Competitive salary based on your skills & experience and according to the Data market practice
• Meal allowance of €8.32 per day
• Flexible benefits option
• Private Medical Insurance
• 22 days of annual leave (increasing every 3 years up to a maximum of 25 days)
• Training Program through KLX (Keyrus Learning Experience) Platform

Why Keyrus?

Joining Keyrus means joining a market leader in the Data Intelligence field and an (inter)national player in Management Consultancy and Digital Experience.

Keyrus Portugal operates on five guiding pillars that shape our approach to work and collaboration – Diversity; Trust; Flexibility; Ownership & Innovation - we're dedicated to cultivating a team as diverse as the challenges we take on. 

We embrace and celebrate the rich variety of backgrounds, perspectives, and talents that each individual brings. We firmly believe that diversity fuels innovation, ignites creativity, and propels us towards greatness. 

Regardless of race, ethnicity, gender, sexual orientation, disability, age, or any other dimension of diversity, everyone is not only welcome but valued here. 

Join us in shaping a future where everyone can thrive!