D ONE is a premium consultancy specialized in data, AI, and transformation. We help organizations turn ambition into impact by aligning strategy, building strong data foundations, delivering high-impact solutions at scale, and ensuring adoption and trust through governance and people focus.
From Zurich, Munich, and Athens, we support clients across Europe with deep expertise along the entire data value chain. Our approach is pragmatic, people-centric, and built for lasting value.
In this role you will serve as a trusted advisor to our clients during the conception, planning, and implementation of Databricks-based data & AI solutions. Based in our consulting hub in Athens, you will take ownership of technical direction within your project teams, driving the high quality and reliability we are known for.
Your tasks will include:
- Leading the analysis of complex requirements and architecting tailored, scalable Databricks solutions
- Designing, building, and optimizing advanced data pipelines using Spark, Delta Lake, and Databricks-native tooling
- Taking technical ownership across project areas, including cloud engineering, infrastructure, advanced analytics, and generative AI applications
- Communicating results, architectural decisions, and strategic insights clearly to senior stakeholders and executive management
- Mentoring and guiding junior team members, contributing to their technical development and growth
- Occasionally traveling to Switzerland and Germany to meet clients and collaborate with our teams in Zurich and Munich
What you bring:
- University degree in Computer Science or a related field
- Hands-on expertise with Databricks and the broader Spark ecosystem
- Proven experience with Delta Lake, Databricks SQL, MLflow, Unity Catalog, and Databricks Workflows in production environments
- Extensive experience working with large-scale data sets, streaming data architectures, and complex database environments
- Strong proficiency in relevant programming languages (e.g. SQL, Python, PySpark, Scala)
- Solid experience with at least one major cloud platform: Azure, AWS, or GCP
- Several years of consulting or client-facing experience, with a track record of delivering measurable business value
- A pragmatic, result-oriented mindset with the confidence to make and defend technical decisions
- Excellent communication skills in English, with the ability to engage credibly at all levels of an organization
What we offer:
- An uncomplicated and low-noise environment that enables focus on what matters most
- An international team of talented people from diverse backgrounds who embrace challenges and enjoy collaboration
- Further development opportunities through our D ONE Academy including mentoring, knowledge sharing sessions, expert groups, and tailor-made training
- Frequent offsite socializing events
To be successful in this role you will need to:
- Strive to understand your clients’ needs
- Deliver outstanding results with high business value in a comprehensible form
- Show the intellectual agility required to get the job done in an easy-to-do-business-with way
- Value clever and creative teamwork
Are you interested in joining a great team with a proven track record and working on projects that will constantly challenge you?
We are happy to receive your application with reference:
D ONE Value Creation AE
Stamatis Stefanakos
Mourouzi 10
Athens 106 74
Other open roles at D ONE(1)
Thomas Zurbuchen, International speaker, Associate Administrator for the Science Mission Directorate at NASA from 2016 to 2022. Previously Professor of Space Science and Aerospace Engineering at the University of Michigan. Founder of the largest Entrepreneurship programme at American Universities -
Key team members
Philipp Vetter
Andrej Vckovski
Simon Hefti
Stamatis Stefanakos
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