Narendran Mohan
Guildford
Summary
Experienced Data Engineer with 5 years in IT, currently pursuing a Master’s in Data Science at the University of Surrey. Expertise lies in transforming complex datasets into actionable insights and optimizing data pipelines. Proficient in advanced SQL, Python, and machine learning, with hands-on experience in AWS (Data Pipeline, S3, DynamoDB) and data visualization tools. Strong skills in R and Microsoft SQL Server, with a proven ability to adapt quickly to new technologies and environments. Passionate about data-driven solutions and dedicated to leveraging skills to deliver impactful, innovative results.
Overview
5
5
years of professional experience
1
1
Certification
Work History
Senior Data Engineer
LTIMINDTREE(Larsen & Toubro Group)
Chennai, India
08.2022 - 08.2024
- Led the development and implementation of innovative payment features, ensuring seamless integration with third-party payment gateways, while adhering to industry compliance standards, resulting in a 30% reduction in transaction processing times.
- Executed rigorous sanity checks to validate application health, swiftly addressing any discrepancies to ensure reliability.
- Managed intricate daily reconciliation processes with multiple banks, guaranteeing 97% accuracy and completeness of financial transactions, thereby enhancing trust with stakeholders.
- Facilitated the implementation of automated reconciliation tools, significantly enhancing efficiency, reducing manual workload, and freeing up resources for strategic initiatives.
- Maintained meticulous documentation of reconciliation processes to ensure compliance with audit requirements and internal policies, achieving a 100% compliance rate during audits.
- Utilised Linux commands for log inspection and troubleshooting, effectively managing application performance and stability, which reduced system downtime.
- Developed sophisticated automation scripts in Java and SQL, streamlining daily operational tasks and enhancing efficiency, resulting in a 25% decrease in manual processing time.
- Collaborated with cross-functional teams to troubleshoot and resolve complex technical challenges, ensuring rapid restoration of services within an average of 30 minutes.
- Implemented scheduled jobs for automated reconciliations, generating reports for the finance team, and reducing manual effort, thereby increasing overall productivity.
- Leveraged machine learning algorithms to derive predictive insights from existing datasets, facilitating data-driven decision-making, which increased forecast accuracy by 20%.
- Participated in rigorous code reviews, providing constructive feedback to peers, and promoting a culture of continuous improvement, which led to a 30% decrease in code defects.
- Facilitated training sessions for team members on new features and functionalities, ensuring smooth transitions during updates.
Machine Learning Data Associate
Amazon Development Centre
Chennai, India
06.2019 - 07.2022
- Developed a robust data loader to efficiently load data from flat files obtained from various facilities daily, improving data processing speed by 25%.
- Identified and gathered data from internal databases and external sources, enhancing the data pool by 30% for more comprehensive analysis.
- Preprocessed data to remove inconsistencies, correct errors, and manage missing values, resulting in a 20% increase in data accuracy.
- Wrote complex SQL queries, including subqueries, to optimize data retrieval from multiple tables, reducing query execution time by 40%.
- Transformed raw data into structured formats required for analysis and model training, facilitating quicker deployment of machine learning models.
- Accurately labeled data using Amazon's annotation tools, achieving a labeling accuracy rate of 98%.
- Performed exploratory data analysis to understand data distributions, detect anomalies, and uncover insights, informing strategic decisions that improved model performance by 10%.
- Delivered high-quality annotated data for various machine learning models, including Alexa and AWS, ensuring reliable performance for both consumer and enterprise products.
Education
Master of Science - Data science
University of Surrey
Guildford, Surrey 09.2024 -
Bachelor of Engineering - Electronics and Communication
Anna University
Chennai, India 08.2015 - 04.2019
Skills
- MS-Excel
- Cloud platforms familiarity
- R programming language
- Machine learning algorithms
- Adapting to new technologies
- Linux
- AWS Data Pipeline
- Python programming
- Advanced sql
- Amazon S3
- Jupyter Notebooks
- Amazon DynamoDB
- Microsoft SQL Server
- Business intelligence tools mastery
- Data Visualisation
Certification
Oracle SQL Certified Associate
Certified Analytics Professional (CAP)
Google Data Analytics Professional Certificate
Affiliations
- DIY Home Automation
- Nature Photography
- Bug Bounty Hunting
- Travelling
Accomplishments
Led Data Pipeline Optimization – Successfully designed and implemented a highly efficient data pipeline, reducing data processing time by 40% and saving the company significant amount annually.
Outstanding Collaboration in Cross-functional Teams – Collaborated closely with business and engineering teams to deliver data-driven insights, improving operational efficiencies and contributing to a 20% rise in overall productivity.
Innovation Award for Data Infrastructure Enhancement – Awarded the company's Innovation Award for developing an automated ETL workflow that streamlined data integration, resulting in a 30% increase in data processing accuracy and efficiency.
Award for Application Performance Optimization – Spearheaded a project to optimize a critical application's performance, which decreased load times by 50% and significantly enhanced user experience.
References
References available upon request.
Custom
I hereby declare that the information and details provided in this resume are correct and inclusive to the best of my knowledge and belief.
Timeline
Master of Science - Data science
University of Surrey
09.2024 -
Senior Data Engineer
LTIMINDTREE(Larsen & Toubro Group)
08.2022 - 08.2024
Machine Learning Data Associate
Amazon Development Centre
06.2019 - 07.2022
Bachelor of Engineering - Electronics and Communication
Anna University
08.2015 - 04.2019
Oracle SQL Certified Associate
Certified Analytics Professional (CAP)
Google Data Analytics Professional Certificate
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