Rahiman Jathikartha
Bangalore
Summary
Diligent Senior Data Engineer with extensive experience in leading technical teams and managing complex projects. Successfully overseen development of innovative solutions, contributing to enhanced system performance and client satisfaction. Demonstrated expertise in problem-solving and strategic planning, ensuring project milestones are met efficiently.
Overview
13
13
years of professional experience
1
1
Certification
Work History
Senior Technical Lead (Senior Data Engineer)
HCL Technologies Ltd.
07.2025 - Current
- Client : Deutsche Bank
- AFC ( Anti Financial Crime) ER ( Evidence Register) Protectors Group– It is a product designed to support any TM ( Transaction Monitoring ) system by providing centralized storage for reports on completeness, accuracy and data quality controls. It facilitates audit and regulatory compliance, supports investigations and remediation and enables reconciliation of entities across datasets from different processing stages.
- Responsibilities :
- Analyzed existing on-prem architecture (Hadoop, Hive ) and Identified GCP target services ( BigQuery, Cloud Storage, DataProc, Composer )
- Created migration roadmap, cutover plan and rollback strategy.
- Designed Parquet/ORC/Avro conversion strategies before loading into BigQuery.
- Migrated Control M workflows into Cloud Composer DAGs for end to end pipeline orchestration.
- Optimized SQL queries for performance and reduced slot consumption.
Senior Consultant (Data Engineer)
Optimum Solutions
09.2022 - 07.2025
- Client : Standard Chartered Bank
- STHS (Stress Testing Hadoop System) – It is a centralized data mart with a data model to consolidate risk and finance data sets required for the Enterprise Wide Stress Testing processes. STHS will help to reduce reliance on manual processes and leverage golden source.
- Responsibilities :
- Designing and implementation of scalable and efficient data Pipelines by using ETL Concepts, SQL, Hive, Unix, Python and Spark.
- Developing data models and database schemas that meet the requirements of Data Analytics, reporting and business intelligence applications.
Senior Data Specialist
MouriTech Pvt. Ltd.
08.2021 - 09.2022
- Client : Development Bank of Singapore
- Finacle is a Core Banking Solution that enables banks with digital banking functionalities. It supports all strategies that include comprehensive digitalization, bank-in-a-bank and digital only bank to make the deployment simpler and faster. Agile Delivery Model and Incremental Upgrades are the key features of Finacle Software. It involved in many Products like Customers, Loans, Cash Flow, Current Accounts, Saving Accounts, Over Draft, Term Deposit, Joint Account, Interest Schedules.
- Responsibilities :
- Working on STOT (Source To Target) and Compute Frameworks.
- Working on Data Comparison Reports with the help of Celerity tool.
- Working on Data Validation and Data Analysis.
Developer Integration - L2.2
Wipro Technologies
01.2017 - 12.2017
- Client : Cigna Insurance Company, US
- As a part of FFV RDS - Extract Mart, a new Data Repository is created to support Reporting and Analytical Capabilities. The data in FFV RDS used to create integrated reporting marts and as well as extract marts for downstream application such as CCW (Cigna Corporate Warehouse).
- The FFV RDS scope is expanded to delivery data to downstream consumers such as CCW via new infrastructure called Hadoop Data Lake.
Developer Integration - L2.2
Wipro Technologies
02.2013 - 12.2016
- Client : Apple Computers Inc., US
- As a part of iAd project worked on the below modules.
- Segment Discovery and Analytics - Extracting the data from the Hive Tables and sending to Vertica team using replication jobs as per the business logic.
- TD-Hadoop Migration: The primary goal of this project is to convert all Teradata stored procedures to Hadoop complaint using Hive and Oozie along with the migration of Teradata tables to HDFS.
- Responsibilities :
- Requirements gathering and Preparing Functional and Design flows.
- Responsible to create Oozie Workflows as per the requirements.
- Exporting data from Hive tables to output files for visualization.
- Expertise in importing and exporting the database data to HDFS using Apache Sqoop.
Education
B.Tech. - CSE
JNTUA College of Engineering
Anantapur, Andhra Pradesh, India01.2012
Intermediate - XII
Rao's Junior College
Nandyal, Andhra Pradesh, India01.2008
SSC - X
Rotary English Medium High School
Nandyal, Andhra Pradesh, India01.2006
Skills
- Business analysis
- Team mentoring
- Microservices architecture
- Requirements analysis
- Problem-solving abilities
- Cloud computing
- Data integration
- Technical leadership
- Technical analysis
- Solution architecture
- Teamwork
- Multitasking
Accomplishments
- Documented and resolved long running jobs which led to execution reduction by 50%
- Supervised team of 5 staff members.
Certification
- Certified Advanced SQL, HackerRank - Sep'2024 - N/A
Timeline
Senior Technical Lead (Senior Data Engineer)
HCL Technologies Ltd.
07.2025 - Current
Senior Consultant (Data Engineer)
Optimum Solutions
09.2022 - 07.2025
Senior Data Specialist
MouriTech Pvt. Ltd.
08.2021 - 09.2022
Developer Integration - L2.2
Wipro Technologies
01.2017 - 12.2017
Developer Integration - L2.2
Wipro Technologies
02.2013 - 12.2016
B.Tech. - CSE
JNTUA College of Engineering
Intermediate - XII
Rao's Junior College
SSC - X
Rotary English Medium High School