Senior Data Scientist - Workday Products

Kainos; Derry/Londonderry; On-site; GBP 75,000 - 110,000; Full time

Job summary

Kainos is seeking a Senior Data Scientist for its Workday Products division to develop high-quality AI/ML solutions across our expanding Workday suite, including Smart tests and analytics. You will collaborate with engineering to deploy models into production and drive impact across clients.

You’ll apply advanced ML, work with LLMs, and build interactive dashboards while mentoring junior teammates and contributing to project success.

Qualifications

• Strong foundation in mathematics, statistics and ML principles.

Responsibilities

• Develop high-quality AI/ML solutions for Workday products
• Deploy AI/ML models to production in collaboration with engineering teams
• Lead client projects and explain technical concepts to non-technical stakeholders
• Mentor junior team members and participate in performance appraisals

Skills

Mathematics & statistics

Python programming

ML algorithms & production

Generative AI & LLMs

Cloud platforms (AWS/Azure/GCP)

Data visualization (Dash/Streamlit)

Team leadership & client communication

Education

MSc or PhD in a quantitative field

Tools

Docker

Kubernetes

Job description

Join Kainos and Shape the Future

At Kainos, we’re problem solvers, innovators, and collaborators - driven by a shared mission to create real impact. Whether we’re transforming digital services for millions, delivering cutting-edge Workday solutions, or pushing the boundaries of technology, we do it together.

We believe in a people-first culture, where your ideas are valued, your growth is supported, and your contributions truly make a difference. Here, you’ll be part of a diverse, ambitious team that celebrates creativity and collaboration.

Ready to make your mark?

As a Senior Data Scientist within Kainos’ Workday Products division

You’ll be responsible for developing high quality AI and ML solutions for our fast growing suite of Workday products – including Kainos Smart (Smart Test, Smart Audit and Smart Shield), Employee Document Management and Pay Transparency Analyzer. You will work on the design and delivery of advanced AI/ML solutions that improve the functionality, scalability and efficiency of our Workday product suite. You may also carry some formal line management responsibilities, including appraisals, for more junior members of the team.

Essential Experience:

• Typically 4-5 years of relevant industry experience, or less when combined with a relevant PhD.
• Proficient in applying mathematics, statistics, and machine learning principles to derive actionable insights from complex datasets.
• Proficient in Python programming, with a focus on writing clean, efficient, and maintainable code for developing and deploying reliable AI/ML solutions in production environments.
• Hands-on experience using machine learning frameworks (e.g., Scikit-learn, TensorFlow, PyTorch) to design and implement solutions.
• Experience deploying AI/ML models to production systems in collaboration with engineering teams.
• Experience working with generative AI use cases, leveraging large language models (e.g., OpenAI GPT, Hugging Face Transformers) to solve real-world problems such as text summarisation, chatbots, or content generation.
• Basic experience with cloud technologies (e.g., AWS, Azure, or GCP).
• Experience creating interactive visualizations and dashboards using tools such as Dash or Streamlit to communicate findings effectively.
• Strong interpersonal skills, with the ability to lead client projects and explain technical concepts in non-technical terms.

Desirable Experience:

• Advanced degree (MSc or PhD) in a quantitative field like Computer Science, Machine Learning, Operational Research, or Statistics.
• Proven track record of delivering data science projects, especially in enterprise software or SaaS environments.
• Basic familiarity with CI/CD pipelines and MLOps practices, including automated testing, model versioning, and monitoring workflows.
• Hands-on experience with containerisation and orchestration technologies (e.g., Docker, Kubernetes) to support AI/ML model deployment.
• Proficiency in cleansing, filtering, and integrating data from diverse sources, including relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, DynamoDB).
• Familiarity with Workday data structures, APIs, and reporting tools.
• Demonstrable experience mentoring junior team members, with some involvement in formal performance appraisal processes, and fostering collaboration within teams.
• Prior involvement in knowledge-sharing activities within teams or through public forums (conferences, blogs, etc.).

Embracing our differences

At Kainos, we believe in the power of diversity, equity and inclusion. We are committed to building a team that is as diverse as the world we live in, where everyone is valued, respected, and given an equal chance to thrive. We actively seek out talented people from all backgrounds, regardless of age, race, ethnicity, gender, sexual orientation, religion, disability, or any other characteristic that makes them who they are. We also believe every candidate deserves a level playing field.

Our friendly talent acquisition team is here to support you every step of the way, so if you require any accommodations or adjustments, we encourage you to reach out.

We understand that everyone's journey is different, and by having a private conversation we can ensure that our recruitment process is tailored to your needs.