ironSource Published: March 4, 2020
Job Type
Level of education
Spoken Language needed
Level of Hebrew
Location of job
Tel Aviv/ Ramat Gan
How many relevant years experience do you require for the role:
3 years


- Be part of a data-science team where you will lead end-to-end big-data ML projects. (from data extraction through model validation & A/B testing to model deploying)
- Discovering and translating business challenges into data-pipelines and model framework.
- Deliver fast while continually adjusting models according to real-time feedback.
- Work closely with BI, Data-Engineering and DevOps teams
- Convey complex analysis results clearly and with conviction to all stakeholder levels


- Minimum 3 years of relevant hands-on experience as a Data scientist / Machine learning expert
- BSc or equivalent experience in a quantitative field (Computer Science, Statistics, Mathematics, Engineering, etc.)
- An all-around data scientist: strong statistics background, experience in experimentation, data visualization, machine learning algorithms, optimization and big data
- Experience with at least one programming language, e.g. Python, Perl, C/C++, Java
- Proven experience working with large data-sets and distributed computing ecosystems (i.e.: Hadoop and Spark)
- Exposure to SQL and relational databases
- Being able to train elementary machine learning models, to select the right tool or the right task and to judge when a model is good enough for a particular purpose
- Excellent communication skills

- MSc or equivalent experience in a quantitative field (Computer Science, Statistics, Mathematics, Engineering, etc.)
- Prior practical experience in production with the elementary machine learning models such as logistic regression and random forests
- Experience implementing a real-world Recommender or Ranking system
- Strong experience in building and deploying ML algorithms in a production environment
- Hands-on experience with industry standard ML libraries such as: sklearn, ML, MLlib
- Demonstrated abilities writing code in Python
Experience working in Linux environment
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