or apply directly on Kayzen's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 82 days Kayzen's roles stay open a median of 83 days
- Reposted
- No
- Salary listed
- No 0% of Kayzen's roles list one
- Ghost-job risk at Kayzen
- high 14 stale, 0 reposted of 14 open
- Hiring momentum
- 20 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-25
Measured from postings appearing on and disappearing from Kayzen's own greenhouse board since 2026-08-03. Full hiring picture for Kayzen.
About this role
As a Senior Data Scientist at Kayzen, you will work with a diverse team to enhance machine learning models and develop scalable algorithms for processing large datasets in real-time. Your responsibilities will include data exploration, solution research, and conducting A/B tests to optimize performance for clients in the ad-tech industry. You will collaborate closely with machine learning engineers and other data scientists to drive impactful results.
- benefits
- 4/5
- freshness
- 1/5
- career value
- 5/5
- role clarity
- 5/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Kayzen as an employer.
What you need
- Minimum 5 years of experience in developing data science products, from initial research through to production deployment
- Strong coding skills with a focus on clean, reproducible, and well-tested code
- Proficient in key tools and technologies including Python, Spark, Hadoop, Airflow, Docker, and SQL
- Hands-on experience with algorithms for handling sparse and large datasets, including applications in prediction, clustering, and outlier detection
- Experience in building neural network-based products for tasks such as classification, regression, and multi-task learning
- Good understanding of dashboards and SQL for developing and enhancing monitoring tools
Nice to have
- Knowledge of reinforcement learning and large-scale optimization problems
What you get
- Directly working with Founders and an opportunity to drive direct impact
- Exceptional career growth and learning opportunity
- A unique opportunity to be part of an experienced team of industry experts and entrepreneurs who bring massive change to the Adtech market
- A fun, driven, and multinational team located across Germany, India, Argentina, Canada, Spain, the UK and many more countries
- A flexible work-from-home arrangement
- Opportunity to relocate to our office in Berlin
Worth weighing
- No salary listed
- Remote work is available but relocation to Berlin is an option
- The role involves working with a globally distributed team, which may require flexibility in working hours
Summarised from Kayzen's posting. Read the full original.
Listed by Kayzen on their greenhouse job board, last confirmed open on 2026-10-25. PitchMeAI is not the employer.
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