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#ITPFL-2176

Head of Data Technology

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Freelancerdetails
akademischer Grad Bachelor of Science
Ausbildung/Studium Informatiker/in (geprüft)
Verfügbar ab aktuell verfügbar
Verfügbarkeit vor Ort: 50%
Interesse an Festanstellung Nein
Bietet Schulungsleistungen an Nein

Vorstellung

10+ years of experience in Data Warehousing, Business Intelligence and Analytics, as Head of Data Technology, Data Warehouse Architect and Senior Manager BI. I am seen as a Technologist in Senior Management, that can lead people into sprints and employ various data related technologies and quickly buildup scalable architectures for data and analysis provisioning requirements best suited as per company data volume, analysis/kpi needs and budgeting situations.

With this reputation, presently, I am entrusted with as Head of Data Technology to lead Crosslend's BI function in the management team. My daily collaboration extends to Operations, Marketing and Finance heads, and I report to C-level executives. I have lead people and projects in Data Warehousing and Analytics, covering ETL design/redesign and developments; design, build and optimization of (MOLAP and ROLAP) Cubes, use of Big Data paradigms like Hadoop M/R, and integration of NoSQL Mongo DB in relational DWH Landscape; with success, establishing profound functional, technical and people management knowledge and skills in the field.

Tech-spectrum: includes hands on many years experience in row-based RDBMS(s) like Oracle (10g/11g), MySQL, PostgresSQL, as well as column-based in memory analytical database Exasol (of Germany), all employed in various technically unique challenging nature, as well as Microstrategy and Business Objects.

Profil

Hadoop, Oracle, Exasol, Pentaho Kettle, MySQL, PostgresSql, Microstrategy, Business Objects, MongoDB, Python, LUA, Java, J2EE, Shell.

Referenzen
seit Sep. 2015

Crosslend GmbH

Head of Data Technology

I am seen as a Technologist that can employ various data related technologies and quickly buildup a scalable architecture for data and analysis provisioning best suited for company needs as per company data volume, analysis/kpi needs and budgeting situations. With this reputation, I have been entrusted as Head of Data Technology to lead Crosslends BI function. I work closely with Data Science team, the Development and Sysops teams. My daily collaboration extends to Operations, Marketing and Finance heads, and I report to C-level executives.

Within the scope of my responsibilities, I have carried out below functions:

• Setup a MySQL based Data Warehouse.

• Rolled-out Microstrategy BI suite. Microstrategy is an enterprise capable BI toolset.

• Established various data processing ETL routines, including processing of payments for overall KPI and Accounting purposes.

Above technical achievements lead to below overall added Data Insights:

• Onboarding funnel KPIs.

• Monthly development of conversions, marketing expenses, cogs, and revenue numbers.

• Various Dashboards for Marketing team - a unique one here is a dashboard that takes user inputs for targets, and updates the dashboard with performance vs target widgets.

• Empowered Operations team with various customer insights.

• Regular tracking of onboarding drop-offs, and triggering of follow-up alerts.

• Providing per Channel Cost and Performance dashboard and reportings for Marketing.

• Validating Marketing leads.

These are some of the highlights that I am listing. Data sources included Google Analytics, Salesforce, Talkdesk, Salesforce and UMS (Marketing leads) data. At some point, we were also publishing data to Applicata. I also had the chance to build data validation routines for Marketing leads.

Unique Achievement: As a senior finance advisor joined Crosslend, I had the opportunity to calculate some of the most important Financial Metrics for Internal Rates of Returns, Annualized Net Returns (unadjusted) and Default Curves. These metrics and calculations involve a certain degree of Maths, and are of crucial importance in Fintech industry in general.

Core Areas: Company Management Team. KPI development and Visual Analysis. Accounting. DWH Architecture, DWH Infrastructure, Vendor Management, and Data Modeling.

Technologies employed: MySql, Microstrategy, Pentaho Kettle, Python and Shell.

Results:

• Gave Visual updates, KPIs and Dashboards to Crosslend Management and teams.

• Took-away data silos, and provided one consolidated overall view.

• Integration of data, both in terms of acquisition and processing as well as publishing.


Jul. 2014 - Aug. 2015

Kreditech Holdings SSL

Data Warehouse Architect

I as Senior DWH Architect, laid down foundation of the DWH at Kreditech, am responsible for overall DWH Architecture, Infrastructure, and a BI workforce (an Engineering Team).

Below is a brief list of vital functions that I performed, together with vital BI components / projects that were designed and developed under my lead, which serve crucial business groups, departments and teams.

• Evaluation and selection of suitable DWH Technology with CTO of the company.

• Managing company relationship with vendor (Exasol in this case).

• Assisting both parties in contract negotiations.

• Integrating company source databases and systems with the Exasol DWH.

• Designing Data Models, starting with Accounting and Controlling topics.

• Modeling company core revenue related tables in the DWH.

• Leading development of sophisticated purchase engine of the company business.

• Providing Hierarchy based Channel allocation of Marketing activities.

• Built a Finite State Machine to do classification of company financial data.


• Built Payment Waterfall Calculations.

• Supported legacy live dashboards (Geckoboard) with near real time reporting.

Core Areas: DWH Architecture, DWH Infrastructure, Vendor Management, Leading Development Sprint Cycles, Technical Design and Data Modeling, Solution Definition and Specifications.

Technologies used: Exasol, Mongo DB, Postgres, Pentaho Kettle, Python and LUA.

Results:

• Gave BI / DWH foundation to Kreditech.

• Made Kreditech BI / DWH sustainable for upcoming years.

• Developed a tech savvy BI Engineering Team.

• Made various crucial projects successful.


Aug. 2012 - Jun. 2014

Zalando SE

Senior Manager BI

I as Senior Manager BI, was responsible for Customer related topics, analyzing Customer Behavior over time, and other Customer centric KPIs which enable Zalando to focus on making Customer experience truly enjoyable and fun to shop on Zalando.

Below is a brief list of Customer focused BI/DWH projects that I did at this company:

• Cohort trend analysis for customers http://en.wikipedia.org/wiki/Cohort_(statistics)

• Analysis of huge website click log files (using Hadoop).

• Design and Development of Customer Survey Data.

• Interfacing operational subset for forecast analysis.

• Leading migration of Oracle DB to new HW, with better backup and recovery solution.

Each project recursively involves Data/Information Modeling in the design phase, followed by rapid agile development of ETLs and Target Schemas, followed by Testing and Delivery.

Deliverables are given out to Business Users in phases/iterations. In one of the projects, I was acting as Information Manager, controlling which information can be granted to which group of users.

Core Areas: DWH Designing, Data/Information Modeling, ETL development and scheduling, Data Quality Assurance, and Information Management.

Technologies used: Hadoop, Oracle, Exasol, Pentaho Kettle, PostgresSql and Business Objects.

Results:

• Reliable Business Development for Customer Analysis.

• Insight into Customer behavior over time.

• Building knowledge upon Customer related Facts.


Sprachkenntnisse
Deutsch
Grundkentnisse
Englisch
Experte
Branchenspezifische Kenntnisse
Banken und Finanzdienstleister
Fortgeschritten
IT und Telekommunikation
Profi
Transport
Fortgeschritten
Versicherungen
Fortgeschritten
Kenntnisse & Fähigkeiten
Business Objects
Profi
Hadoop
Fortgeschritten
J2EE
Profi
JAVA SERVLETS
Profi
JavaScript
Gut
MICROSTRATEGY
Profi
MongoDB
Fortgeschritten
MySQL
Profi
PL/SQL
Profi
Python
Fortgeschritten