Senior Software Engineer – Data Science

About the role

We are looking for a software engineer with a strong data‑science and data‑engineering background to join Nexthink’s Cloud Intelligence team. You will design, build and ship data products, pipelines and services that power our data lake, experimentation and analytics capabilities for millions of users worldwide.

Key responsibilities

• Architect, build and ship reliable, well‑documented data products and APIs for internal and external customers.
• Build, scale and maintain the data lake and its pipelines (e.g., using Spark) for analytical and production use.
• Explore large‑scale datasets to uncover patterns, quantify product impact and inform system design.
• Leverage AI/ML to improve development processes and the quality of data products.
• Collaborate with data engineers, ML engineers and product teams to align data capabilities with business needs.
• Mentor junior engineers and data scientists, fostering a culture of learning.

Required profile

• 5+ years of hands‑on experience building data‑intensive systems, preferably with applied ML exposure.
• Strong software‑engineering fundamentals (clean architecture, testing, CI/CD) applied to data and ML workflows.
• Experience with distributed processing frameworks such as Spark and cloud‑based data platforms (AWS preferred).
• Proficiency in Python and standard data‑tooling (pandas, NumPy, scikit‑learn, SQL) with solid data intuition.

Required skills

• Python
• pandas
• NumPy
• scikit‑learn
• SQL
• Apache Spark
• AWS
• CI/CD pipelines
• Automated testing

What we offer

• Permanent contract with a competitive compensation package.
• Beautiful office with a view of Lake Geneva, next to Prilly‑Malley train station.
• Hybrid work model balancing office and remote work.
• Flexible hours, unlimited vacation plus 25 days of holidays and 3 company‑paid volunteer days.
• Free access to an on‑site fitness centre, fresh fruit, cookies and soft drinks.
• Reimbursement for half‑fare public‑transport card and up to 50% of French‑class costs.
• Regular company events, meet‑ups and team‑building activities.
• Referral bonuses and relocation assistance for international candidates.