Sertaç Oruç

Owner

This is my sole proprietorship company through which I am freelancing.

• KvK: 68754582

Owner / Co-founder

Developer of two Rack Extensions for Propellerhead Reason Digital Audio Workstation

Senior Data Engineer (Interim)

• End to end migration of data layer of a data science project including system design, implementation and stakeholder management workloads.
• Creating a state of the art solution for an international intracompany project based on Airflow DAGs, Gitlab CI/CD, AWS, Tableau.
• Brainstorming, designing, architecting a company wide data platform based on AWS and OSS tools.
• Contributing to biweekly sprints within a SCRUM team.

Lead Data Engineer & Developer (Interim)

• Developing a marketing data platform for Elsevier on AWS using services such as EMR, Lambda, RDS, ElasticBeanstalk, SNS, S3, CloudWatch, SecretesManager as well as third party tools such as Terraform, NoOra, Puppet, Jenkins.
• Creating a state of the art solution for an international intra-company project based on Airflow DAGs, Gitlab CI/CD, AWS, Tableau.
• Technically leading a team of 7 developers and data engineers.
• Contact point for development related matters for customers and stakeholders.

Data Engineer & Scientist (Interim)

• Developing a marketing data platform on AWS using services such as EMR, Glue, Lambda, Step Functions, Redshift, ECS, DynamoDB, S3, CloudWatch, CloudFormation.
• Developing ETL jobs in PySpark on AWS EMR.
• Performance tuning Redshift datawarehouse.
• Developing data orchestration with Lambda, Step Functions, ECS.
• Assisting data analysts with setting up a process to work with KNIME analytics platform.

Data Scientist (Interim)

• Formulating and implementing end to end data products by colloborating with international corporate stakeholders.
• Initiating and setting up data analytics platform based on AWS (Redshift, S3, Kinesis Firehose, SES, EC2), Tableau, Python (pandas), Zeppelin, Jupyter, Google Data Studio, Google Sheets.
• Spearheading data access initiatives within corporate environment.
• Data scrapping and leveraging API’s to extract, transform, load (ETL) business sensitive data.
• Leading implementation of web tracking (Google Analytics and Google Tag Manager) and leveraging Google BigQuery for advanced analytics.
• Dashboarding and visualization with Google Data Studio and Tableau.

Senior Data Scientist

• Advising to Luminis customers to provide data solutions.
• Speaker on Game/Mobile Analytics at Luminis DevCon: http://tinyurl.com/sertac-gameanalytics.

Game Analyst

• Translating business problems into data problems.
• Formulating hypotheses and querying user telemetry data to test these hypothesis.
• Product analytics for Subway Surfers (Most downloaded mobile game (iOS, Android combined) in 2014 and 2015).
• Behavioural analysis of c.a. 30 million Daily Active Users by using in-house analytics system (SQL + Amazon Redshift + Tableau).
• Data modeling and schema design for in-house analytics system of Subway Surfers, based on event-sourcing.
• Defining product and feature KPIs and dashboarding them using Tableau (Tableau Desktop 10 Qualified Associate Certification).
• Formulating and testing hypotheses with A/B testing.
• Building data pipelines using Python scripting and REST API from third party applications (e.g., Flurry reporting API).
• Predictive analysis using Python’s Scikit-learn library (Churn analysis, cheater detection).
• Game proximity map using Multi Dimensional Scaling (MDS) algorithm.

Postdoctoral Research Fellow

• Research on the impact assessment of Big Data trends in Europe for FP7 BYTE project.
• Research on technological progress of power storage and battery technologies using t-SNE dimensionality reduction algorithm and expectation-maximization algorithm.
• Data science competitions (e.g. Kaggle.com) using various ML algorithms, e.g., random forest, neural networks, support vector machines.
• Assisting in a Massive Open Online Course on text data mining featured on EdX.
• Lecturing in EPA4123 Multi-Actor Systems Design from an Engineering Perspective (Operations Research) and EPA1321 & SPM2931 Continuous Modeling (System Dynamics) of EPA & SPM MSc. Curriculum.
• Supervising in EPA1321 & SPM2931 Continuous Modeling (System Dynamics) of EPA & SPM MSc. Curriculum.
• Supervising M.Sc. students with graduation projects.
• Reviewer and board membership in various scientific journals and conferences.

PhD Researcher

• Research on strategic behavior in liberalized electricity markets employing game theoretical formal modeling.
• Electricity market modeling by using game theory and simulation. Three cases: Financial Transmission Rights, Transmission Congestion Management, Innovation in restructured electricity markets.
• Lecturing in EPA2142 Policy and Decision Models (Game Theory) in EPA MSc. Curriculum.
• Supervising in EPA1321 & SPM2931 Continuous Modeling (System Dynamics) of EPA & SPM MSc. Curriculum.
• Coordinating biweekly Policy Analysis lunch lectures.
• Organizing extra curricular yearly department event.

Research Scientist

• Conducting research on smart meters (Disaggregation / Non-Intrusive Load Monitoring) using signal processing – MATLAB programming.
• Conducting emerging market landscaping analysis on smart meters.
• Collaborating for the generation of intellectual property – inventor in a patent.
• Writing research proposals for new innovation projects.

Delft University of Technology (TU Delft)

Strategic Behavior in Liberalized Electricity Sectors: Game Theoretical Formal Modeling in Policy Analysis

Eindhoven University of Technology (TU/e)

Optimal Scalable Decentralized Kalman Filter

Middle East Technical University (METU)

GPA: 3.77/4.00