Summary
Overview
Work History
Education
Skills
Timeline
Generic

Hanna Jose

Kochi

Summary

I have 10 years of industry experience in Big data technologies, Data analytics, Data Engineering, SQL, GCP, Big Query, AWS Cloud, Basic Python, Spark, Hadoop, Airflow, Agile Scrum, Waterfall, Confluence and JIRA in the roles of Data Engineer, Data Quality Analyst. I am skilled in root cause analysis, analyzing the trends, patterns, and deviations in data dimensions, and automating data processing jobs. Also, I am technically strong in backtracing and debugging data issues and code issues, using complex SQL queries. I have experience in creating visually appealing, informative reports using Power BI and Looker Studio.

Overview

11
11
years of professional experience

Work History

Data Engineer

Tata Consultancy Services
Kochi
06.2024 - Current
  • Designed and implemented scalable data pipelines, integrating diverse data sources for streamlined analysis.
  • Optimized existing data processing systems to enhance efficiency and reduce processing time significantly.
  • Developed and maintained robust data storage solutions, ensuring data integrity and availability.
  • Closely monitored data warehouse functionality and performance, proactively responding to issues.
  • Conducted thorough data quality checks, rectifying inconsistencies, and ensuring the reliability of information.
  • Led the migration of data platforms to cloud-based solutions, improving scalability and accessibility.
  • Collaborated with cross-functional teams to identify and translate business requirements into technical specifications.
  • Used qualitative and quantitative data to deliver actionable business insights and improvement strategies.
  • Automated repetitive tasks and processes using scripting, saving countless hours of manual effort.
  • Developed and maintained data visualization dashboards for different departmental needs, facilitating data-driven decisions.
  • Carried out regular performance checks and audits, ensuring that storage and archiving procedures were functioning correctly.
  • Utilized exceptional problem-solving skills to quickly identify and resolve digital data issues.

Data Quality Analyst

Tata Consultancy Services
Kochi
08.2014 - 05.2024
  • Worked closely with clients to identify and diagnose data issues, communicating these to the internal technical team.
  • Developed and implemented comprehensive data quality standards to improve accuracy across all datasets.
  • Spearheaded the migration of data across platforms, without compromising data integrity.
  • Planned and implemented automated testing scripts, minimizing labor hours, and maximizing team performance.
  • Conducted in-depth investigations into case matters to gather evidence and help customers solve issues.
  • Analyzed feedback from data users to continuously refine data quality strategies, aligning with evolving business needs.
  • Interrogating databases, querying, and manipulating data.
  • Identified improvement opportunities, and implemented strategic corrective action.
  • Produced BI reports outlining measures to evolve existing infrastructures.
  • Monitored and reported on data quality metrics, providing actionable insights for ongoing enhancements.
  • Analysed complex data sets to identify patterns, trends, and anomalies, aiding in strategic decision-making.

Education

Master of Science - Computer Applications

SASTRA University
Thanjavur, Tamil Nadu

Bachelor of Science - Computer Science

NIMIT
Thrissur, Kerala

Skills

  • Big data technologies
  • SQL programming
  • AWS Cloud – S3, EC2, EMR, Athena
  • GCP - BigQuery, Composer
  • Airflow
  • Python
  • Big Data analytics
  • Power BI
  • Looker Studio
  • Performance tuning and optimisation
  • Hadoop framework
  • Impala queries
  • Spark SQL
  • GitHub

Timeline

Data Engineer

Tata Consultancy Services
06.2024 - Current

Data Quality Analyst

Tata Consultancy Services
08.2014 - 05.2024

Master of Science - Computer Applications

SASTRA University

Bachelor of Science - Computer Science

NIMIT

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Hanna Jose