Top Talent like Martin are on Pangea

Pangea, a YC company, connects companies with fractional talent. Fractional hiring allows companies to move faster and work with more specialized talent, while giving talent more flexibility and independence. If you are talent open to fractional work, apply here. If you’re a company looking for high-quality fractional talent, learn more here.

Martin Zálepa

Data Analyst • Data Engineer • Business Intelligence Analyst • Prague, Prague, CZ • Open to relocation
SQL
ETL
Data Analysis
Data Migration
Optimization
Data Cleaning
CI/CD
Python
Available for hire fromNegotiable
Contracts
Full-Time Roles
Highly skilled in the design and development of Data Warehouses (DWH) with a deep understanding of complex DWH architectures. Proficient in Agile methodologies, adeptly contributing across multiple squads. Offers comprehensive expertise in delivering end-to-end solutions, from problem analysis and data modeling to implementing ETL solutions. Proactive and organized, with excellent communication abilities. Demonstrates leadership in driving and facilitating discussions, synthesizing information, and providing valuable recommendations. Possesses a holistic perspective to address challenges effectively.

Work History

C

Senior Business Intelligence Developer

CSOB InsuranceFreelancerDeveloped and implemented ETL scripts in Teradata, leveraging comprehensive models and detailed business documentation. Enhanced ETL performance by optimizing scripts to resolve high skew, reduce CPU usage, and shorten processing times. Executed advanced data modeling in third normal form utilizing Teradata's Financial Services Logical Data Model (FSLDM) and PowerDesigner. Spearheaded DWH automation initiatives using Python, encompassing development, rigorous unit testing, and meticulous data lineage control.
O

Data Engineer

OrganonFreelancerNov 2023 - Feb 2024 • 4 mosMigration of an end-to-end data solution from AWS to Snowflake, ensuring seamless transition and optimization. Proposed a new architecture for the migration to Snowflake, focusing on efficiency and scalability. Designed and developed the new solution, converting PySpark scripts and Lambda functions into Snowflake stored procedures, tasks, and materialized views, external tables.
O

Business Intelligence Developer

O2 TelecommunicationFull-time EmployeeSep 2017 - Oct 2020 • 3 yrs 2 mosImplementation of Oracle GoldenGate technology into DWH Responsibility for the creation of real-time data stream solution into DWH from source databases (Oracle to Teradata) Model-driven development using BI tools such as PowerDesigner, Impact Analyser, UDI Development of a templated framework for code generation. (Using UDI and Groovy) Responsible for initial loadings, error handling, and performance optimization
C

Business Intelligence Developer

Commercial BankPart-time EmployeeSep 2016 - Jun 2017 • 10 mosDesigned and developed Data Warehouses (DWH) on the Teradata platform for various African countries. Implemented, tested, and documented code to ensure high-quality and reliable solutions. Developed and optimized ETL processes using Informatica PowerCenter to streamline data integration and transformation.
A

Data Analyst

Actum DigitalPart-time EmployeeSep 2015 - Sep 2016 • 1 yr 1 moCollaborated closely with clients to develop optimal recipient lists for targeted customer outreach with current offers. Generated and delivered monthly and ad hoc reports tailored to the needs of final clients. Ensured accuracy and relevance of reports to support client decision-making and marketing strategies. Maintained effective communication with clients to understand their requirements and provide data-driven insights.

Education

U

University of Economics Prague

Master of science, Information Systems And TechnologiesSep 2018 - Jun 2020
U

University of Economics Prague

Bachelor of Science, Applied InformaticsSep 2014 - Sep 2017

How Pangea Works

Effortlessly discover top talent

We’ve distilled the candidate search from endless hours down to just a few minutes. Using Pangea’s AI-powered search tools, you can find top fractional talent able to take on your next project. Our system looks at your company’s niche and your needs to find the perfect match faster than any traditional hiring platform.

Start working with talent today

The top talent on Pangea is ready to get started with you right now. You can message or hire a candidate right from their profile page and start assigning work as soon as they respond. And the best part? Pangea’s fractional contract structure lets you start small and ramp up as your needs change, keeping your costs manageable and your team’s capabliities flexible.

Track work and invoices in one place

Assign tasks, track progress, and complete invoices all on Pangea. We’ve combined every part of the hiring process into one platform to eliminate the miscommunication that’s unavoidable on other freelance platforms. We even send out 1099s to your contractors at the end of the year!

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call
Highly skilled in the design and development of Data Warehouses (DWH) with a deep understanding of complex DWH architectures. Proficient in Agile methodologies, adeptly contributing across multiple squads. Offers comprehensive expertise in delivering end-to-end solutions, from problem analysis and data modeling to implementing ETL solutions. Proactive and organized, with excellent communication abilities. Demonstrates leadership in driving and facilitating discussions, synthesizing information, and providing valuable recommendations. Possesses a holistic perspective to address challenges effectively.

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call

Top Talent like Martin are on Pangea

Pangea, a YC company, connects companies with fractional talent. Fractional hiring allows companies to move faster and work with more specialized talent, while giving talent more flexibility and independence. If you are talent open to fractional work, apply here. If you’re a company looking for high-quality fractional talent, learn more here.

Martin Zálepa

Data Analyst • Data Engineer • Business Intelligence Analyst • Prague, Prague, CZ • Open to relocation
SQL
ETL
Data Analysis
Data Migration
Optimization
Data Cleaning
CI/CD
Python
Available for hire fromNegotiable
Contracts
Full-Time Roles

Work History

C

Senior Business Intelligence Developer

CSOB InsuranceFreelancerDeveloped and implemented ETL scripts in Teradata, leveraging comprehensive models and detailed business documentation. Enhanced ETL performance by optimizing scripts to resolve high skew, reduce CPU usage, and shorten processing times. Executed advanced data modeling in third normal form utilizing Teradata's Financial Services Logical Data Model (FSLDM) and PowerDesigner. Spearheaded DWH automation initiatives using Python, encompassing development, rigorous unit testing, and meticulous data lineage control.
O

Data Engineer

OrganonFreelancerNov 2023 - Feb 2024 • 4 mosMigration of an end-to-end data solution from AWS to Snowflake, ensuring seamless transition and optimization. Proposed a new architecture for the migration to Snowflake, focusing on efficiency and scalability. Designed and developed the new solution, converting PySpark scripts and Lambda functions into Snowflake stored procedures, tasks, and materialized views, external tables.
O

Business Intelligence Developer

O2 TelecommunicationFull-time EmployeeSep 2017 - Oct 2020 • 3 yrs 2 mosImplementation of Oracle GoldenGate technology into DWH Responsibility for the creation of real-time data stream solution into DWH from source databases (Oracle to Teradata) Model-driven development using BI tools such as PowerDesigner, Impact Analyser, UDI Development of a templated framework for code generation. (Using UDI and Groovy) Responsible for initial loadings, error handling, and performance optimization
C

Business Intelligence Developer

Commercial BankPart-time EmployeeSep 2016 - Jun 2017 • 10 mosDesigned and developed Data Warehouses (DWH) on the Teradata platform for various African countries. Implemented, tested, and documented code to ensure high-quality and reliable solutions. Developed and optimized ETL processes using Informatica PowerCenter to streamline data integration and transformation.
A

Data Analyst

Actum DigitalPart-time EmployeeSep 2015 - Sep 2016 • 1 yr 1 moCollaborated closely with clients to develop optimal recipient lists for targeted customer outreach with current offers. Generated and delivered monthly and ad hoc reports tailored to the needs of final clients. Ensured accuracy and relevance of reports to support client decision-making and marketing strategies. Maintained effective communication with clients to understand their requirements and provide data-driven insights.

Education

U

University of Economics Prague

Master of science, Information Systems And TechnologiesSep 2018 - Jun 2020
U

University of Economics Prague

Bachelor of Science, Applied InformaticsSep 2014 - Sep 2017

How Pangea Works

Effortlessly discover top talent

We’ve distilled the candidate search from endless hours down to just a few minutes. Using Pangea’s AI-powered search tools, you can find top fractional talent able to take on your next project. Our system looks at your company’s niche and your needs to find the perfect match faster than any traditional hiring platform.

Start working with talent today

The top talent on Pangea is ready to get started with you right now. You can message or hire a candidate right from their profile page and start assigning work as soon as they respond. And the best part? Pangea’s fractional contract structure lets you start small and ramp up as your needs change, keeping your costs manageable and your team’s capabliities flexible.

Track work and invoices in one place

Assign tasks, track progress, and complete invoices all on Pangea. We’ve combined every part of the hiring process into one platform to eliminate the miscommunication that’s unavoidable on other freelance platforms. We even send out 1099s to your contractors at the end of the year!

Talk with a Talent Expert

Members of our team are available to help you speed through the hiring process.
Available Now
Book a Call
Pangea empowers fractional work across the world for marketing and design roles.