Summary
Overview
Work History
Education
Skills
KEY ACHIEVEMENTS
STRENGTHS
Timeline
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GIDEON ROTICH

Houston,TX

Summary

Am a Professional ETL developer with 12 + years in proven history of optimizing data workflows and enhancing data quality and accuracy across various platforms. Known for strong team collaboration and consistent delivery of high-quality results, with expertise in SQL, data warehousing, and problem-solving.

www.linkedin.com/in/gideon-rotich-b171a0335

Overview

16
16
years of professional experience

Work History

ETL Developer (iii)

Tyson Foods
04.2018 - Current
  • Created and refined ETL workflows, leading to a 20% boost in data processing efficiency.
  • Contributed to data warehouse design and implementation, boosting data retrieval efficiency by 26%.
  • Conducted stakeholder meetings to assess business financial health.
  • Maintained documentation to support ongoing enhancements.
  • Developed procedures to standardize data, achieving a 38% improvement in quality.
  • Executed a project to migrate historical data, improving accessibility on a new cloud platform.
  • Directed development team in crafting optimized SQL queries and Python scripts, achieving a 35% reduction in data retrieval times.
  • Contributed to a 20% improvement in data integrity by developing effective Informatica Designer pipelines.
  • Engaged with cross-functional groups to determine data necessities, leading to consistent uptime for vital analytics services.
  • Executed detailed unit test plans, leading to a 25% reduction in defects.

ETL Developer (ii)

Walmart ISD
11.2016 - 03.2018
  • Implemented strategies to integrate data sources, achieving a 15% reduction and boosting reporting accuracy.
  • Streamlined ETL best practices, achieving a 30% rise in process efficiency.
  • Optimized data workflows through Python scripting, eliminating 200 hours of manual effort each year.
  • Engineered ETL solution on AWS platform, establishing basis for ongoing cloud efforts and increasing workflow session efficiency by 43%.
  • Drastically cut downtime by 40% through proactive problem-solving in production systems.

ETL Developer

Capital One
06.2012 - 02.2016
  • Designed and executed ETL jobs for complex data transformations, supporting key decision-making and improving decision speed by 30%.
  • Developed SQL queries for data analysis purposes, enhancing reporting capabilities for stakeholders that improved data retrieval by 40%.
  • Collaborated on the technical design of new feature development, improving data throughput by 25%.
  • Played a crucial role in the development team that achieved 100% accuracy in data migrations and boosted data extraction speed by 46%.
  • Reduced processing time for ETL tasks through the implementation of parallel execution strategies.
  • Enhanced ETL processes by optimizing complex SQL queries and streamlining data extraction procedures.
  • Collaborated with business intelligence staff at customer facilities to produce customized ETL solutions for specific goals.
  • Developed custom reports for business stakeholders, providing valuable insights into key performance metrics.

Jr Informatica Developer

Allstate
04.2009 - 05.2012
  • Improved data accuracy by conducting thorough testing and debugging of Informatica mappings and workflows.
  • Conducted regular informatica server maintenance activities, ensuring high availability of services at all times while minimizing downtime risks by 23%.
  • Participated in code reviews, ensuring adherence to established coding standards and promoting continuous improvement within the team leading to 34% in productivity.
  • Developed constructive mappings, workflows and tasks that improved workflow speed by 42%.
  • Implemented advanced error handling strategies to minimize data discrepancies and ensure data integrity.
  • Integrated multiple disparate data sources into a cohesive view using PowerCenter tools for comprehensive reporting capabilities.

Education

Bachelor Of Science Degree - Actuarial Science

Jomo Kenyatta University of Agriculture And Technology
Nairobi
06.2006

Skills

  • ETL Development
  • Database design
  • Informatica: PC/IDMC/MDM/ IICS
  • MS Power BI
  • SQL Language
  • Debugging
  • Performance Tuning
  • Data warehouse Management
  • Data profiling/quality/cleansing
  • Agile/H2O fall methodology
  • MS SSIS/ SSMS
  • Real-time Data processing
  • Power BI, Tableau, SAP BO
  • CICD with Automation/scheduling
  • Business intelligence
  • MS Azure, Oracle, MS SQL Server
  • BI, Data Analytics
  • Teamwork/Stakeholders meeting
  • Good Communicator

SQL and databases

Report generation

Key performance indicators

Data warehousing expertise

XML database proficiency

Time management abilities

Decision-making

Reliability

Multitasking

Time management

Problem-solving

Teamwork and collaboration

Written communication

KEY ACHIEVEMENTS

  • Developed a company-wide data migration project at Tyson achieving a flawless transition with 100% zero data loss.
  • Optimized ETL Processes though performance Tuning techniques that improved data migration speed process by 36%.
  • Supervised and managed a team of six developers and accomplished accomplished a 5 mouths project within 3.5 months .
  • Boosted data accessibility to reporting team access and insights with robust ETL pipelines.
  • Optimized performance and scalability through (petitioning approach) workflow performance tuning and process enhancement.
  • Streamlined team collaboration and knowledge sharing by mentoring and developing documentation.
  • Reduced manual effort by developing automated processes. Hence saving company >$ 415k in annual fee towards salaries to manual labor.
  • Enhanced data quality and accuracy through validation checks and frameworks.

STRENGTHS

  • SQL Expertise: I can write complex SQL queries for extracting, transforming, and loading data, including using joins and sub queries.
  • ETL Tools Proficiency: Am are proficient in using Informatica and SSIS specialized tools to streamline data integration and transformations.
  • Data Modeling & Warehousing: A strong understanding of data modeling principles e.g., star schema, snowflake schema and dimensions is crucial for designing efficient data storage and retrieval systems within a data warehouse context.
  • Automation: This comes handy to me on repetitive tasks and has created custom solutions for complex data manipulation without manual process.
  • Data Quality Management: Ability to implement data validation and cleansing processes to ensure data accuracy, completeness, and consistency, which is vital for reliable analytics.
  • Performance Tuning: Ability to optimize ETL processes for handling large volumes of data efficiently, eliminating bottlenecks during ETL process.
  • Database & Big Data Technologies: Familiarity with relational databases i.e Oracle, SQL Server and big data technologies like Hadoop and Spark.
  • Structured documentation: Am adept at documenting processes, providing clear updates, and following up on commitments, ensuring stakeholders are consistently informed and expectations are managed effectively.

Timeline

ETL Developer (iii)

Tyson Foods
04.2018 - Current

ETL Developer (ii)

Walmart ISD
11.2016 - 03.2018

ETL Developer

Capital One
06.2012 - 02.2016

Jr Informatica Developer

Allstate
04.2009 - 05.2012

Bachelor Of Science Degree - Actuarial Science

Jomo Kenyatta University of Agriculture And Technology