Summary
Overview
Work History
Education
Skills
Languages
Timeline
SoftwareEngineer
Andres Hernandez

Andres Hernandez

Batumi

Summary

Innovative Lead Developer with 8 years of industry experience and extensive programming knowledge.

Overview

14
14
years of professional experience

Work History

Lead Developer

HOME CREDIT BANK
Moscow
02.2021 - Current

-Successfully developed and executed multiple ETL workflows to support the creation and maintenance of a robust data warehouse. Assumed full responsibility for the entire ETL process, including data extraction, transformation, and loading, ensuring data integrity and accuracy throughout the pipeline.
-Developed a Python framework to automatically generate 1) ETL workflows based on Confluence descriptions written by analysts and 2) SQL scripts for the orchestrator.
-Worked with various data formats, including XML, XLSX, DB data, TXT, and JSON.
-Refactored and edited the Python CI/CD pipeline code.
-Troubleshot and corrected bugs and performance bottlenecks.
-Implemented JAVA scripts in various ETL pipelines.
-Collaborated with business analysts to understand and define requirements, and performed data and systems analysis using a variety of computer languages and procedures.
-Worked closely with product owners and enterprise architects to understand project requirements and implement business logic parameters for model execution.
-Mapped data between different source systems and warehouses, and created UNIX scripts to run Informatica workflows and control the ETL flow.
-Conducted quality reviews of workflows and codes.

Data Engineer

Digital League Co.
Moscow
07.2020 - 02.2021

-Spearheaded the design and creation of ETL pipelines to facilitate seamless transitions from one data warehouse to another, optimizing data management and quality.
-Designed and implemented PL/SQL stored procedures and integrated them into the IPC system, ensuring seamless data flow and processing.
-Proactively addressed data quality issues during ETL processes, utilizing strong problem-solving skills to direct solutions to the team lead for resolution.
-Verified the performance and reliability of database transformation solutions through thorough simulation testing, ensuring optimal results and end-user satisfaction.
-Refactored a complex C#-based ETL process, streamlining and improving performance and efficiency.
-Contributed as an ETL developer on a high-impact project for a top Russian Bank.

Data Engineer

Gridfore Co.
Moscow
02.2020 - 06.2020

-Created and maintained ETL pipelines to support data warehousing. Designed, developed, and tested data integration processes to gather and integrate large and complex data sets.
-Contributed to a high-impact project as an ETL developer for the top Siberian Bank.

Data Research Analyst

IT Startup (streaming Platform)
Moscow
06.2019 - 02.2020

-Parsed and analyzed large sets of market data from various sources, including company websites, financial reports, and industry reports.
-Conducted extensive market surveys, utilizing both primary and secondary research methods, to gain in-depth insights into market trends, consumer behavior, and competitor analysis.

Deputy General Director

BLS International Services (LEX systems holding)
Moscow
11.2017 - 02.2019
  • Directed software (IT) integration.
  • Directed additional services.

Development Manager

LEX systems holding
Moscow
02.2015 - 02.2019
  • Partnered with business teams and IT personnel to align project goals with business strategy and define project milestones.
  • Directed product development efforts using industry-specific tools to increase sales and overall company productivity.
  • Directed company international tenders (we won 1 huge contract).

ETC.

Chief Aide to the Ambassador

The Embassy of Equatorial Guinea in Russia
Moscow
11.2009 - 12.2014

Education

Master's Degree Program (1st Year) - Applied Statistics With Network Analysis

HSE
Moscow
06.2022

No Degree -

UDEMY, DATACAMP IPC, Oracle, Python Courses
World
07.2020

Postgraduate Studies - Risk Evaluation of Investment Projects

Moscow University For The Humanities
Moscow
07.2012

Specialist Degree (BA/MA-equivalent) - International Economics

Moscow University For The Humanities
Moscow
07.2008

Skills

  • Informatica Power Center (9x ); Informatica IDE
  • Databases: Oracle, PostgreSQL, Microsoft SQL Server
  • Python
  • Java, R, C#, UNIX Shell Scripting - basic knowledge
  • GIT
  • Apache airflow (basic knowledge)
  • Eagerness to Learn New Technologies
  • Team player, motivated, able to grasp things quickly with analytical and problem solving skills

Languages

Spanish, Russian
Native language
English
Proficient
C2

Timeline

Lead Developer

HOME CREDIT BANK
02.2021 - Current

Data Engineer

Digital League Co.
07.2020 - 02.2021

Data Engineer

Gridfore Co.
02.2020 - 06.2020

Data Research Analyst

IT Startup (streaming Platform)
06.2019 - 02.2020

Deputy General Director

BLS International Services (LEX systems holding)
11.2017 - 02.2019

Development Manager

LEX systems holding
02.2015 - 02.2019

Chief Aide to the Ambassador

The Embassy of Equatorial Guinea in Russia
11.2009 - 12.2014

Master's Degree Program (1st Year) - Applied Statistics With Network Analysis

HSE

No Degree -

UDEMY, DATACAMP IPC, Oracle, Python Courses

Postgraduate Studies - Risk Evaluation of Investment Projects

Moscow University For The Humanities

Specialist Degree (BA/MA-equivalent) - International Economics

Moscow University For The Humanities
Andres Hernandez