Summary
Certification
Overview
Skills
Work History
Education
Timeline
Work Availability
Hi, I’m

Mridu Singh

Senior Specialist - Data Engineering
Noida
Mridu Singh

Summary

Experienced Data Engineering professional with 11 years of expertise in building and maintaining scalable data pipelines, ETL workflows, and cloud data integration solutions. Skilled in Informatica PowerCenter, Informatica Cloud (IICS/CDI), Snowflake, Databricks, SSIS, and advanced SQL. Strong background in data warehousing, data migration, performance tuning, and automation across large-scale enterprise environments, primarily in the insurance domain. Hands-on experience in designing cloud-native data architectures and modernizing legacy ETL workflows. Actively up-skilling with industry-recognized certifications in Snowflake, Databricks, and AWS to align with evolving data engineering demands.

Certification

Azure Fundamentals, Microsoft - H515-1965

Overview

11
years of professional experience
4
years of post-secondary education
5
Certificates

Skills

  • ETL Tools :
    Informatica PowerCenter – Expert
    Informatica Cloud (IICS/CDI) – Advanced
    SSIS (SQL Server Integration Services) – Proficient
  • Cloud & Data Platforms :
    Snowflake – Advanced
    Databricks (Delta Lake, PySpark) – Intermediate
    AWS (S3, Glue, Redshift) – Beginner
  • Databases & Query Languages :
    SQL (Oracle, SQL Server) – Expert
    PL/SQL – Proficient
    T-SQL – Proficient
  • Programming & Scripting :
    Python (for data workflows) – Beginner
    Shell Scripting – Proficient
  • Data Warehousing & Modeling :
    Dimensional Modeling – Advanced
    Data Migration & Performance Tuning – Advanced
  • Version Control & DevOps :
    Git – Proficient
    CI/CD Concepts – Basic
  • Domain Expertise :
    Insurance & Financial Services – Expert

Work History

Larsen & Toubro Infotech (LTI-Mindtree)

Senior Specialist - Data Engineering
10.2024 - Current

Job overview

  • Led large-scale data migration initiatives from on-prem to cloud, utilizing Informatica IICS and Snowflake , resulting in a 40% improvement in data availability and 30% faster analytics delivery for major insurance clients.
  • Introduced automated data quality and governance frameworks using Informatica Cloud Data Quality and Snowflake features, achieving >99.9% accuracy and ensuring compliance with IRDAI audit requirements.
  • Reduced project turnaround time by 20% by deploying Agile methodologies and sprint-based delivery models, improving collaboration across data, testing, and reporting teams.
  • Mentored a cross-functional team of 12+ engineers and analysts on cloud-native ETL design , cost optimization (e.g., Snowflake warehouse sizing, query tuning), and data security protocols , leading to a 15% reduction in monthly cloud spend .
  • Developed and presented executive dashboards and migration KPIs using Power BI and Tableau , providing C-level stakeholders with visibility into project health, SLA compliance, and performance trends.
  • Improved end-user satisfaction scores by 25% , aligning transformed data flows with business logic used in underwriting, claims adjudication , and fraud detection workflows.

Larsen & Toubro Infotech (LTI-Mindtree)

Specialist-Data Engineering
11.2021 - 09.2024

Job overview

  • Spearheaded the implementation of ETL processes using Informatica PowerCenter , IICS , and AWS with Snowflake as the target cloud data platform.
  • Automated ad-hoc reporting pipelines for actuarial, claims, and policyholder datasets, reducing manual work by 2+ hours per request.
  • Designed and developed scalable PySpark pipelines in Databricks to process high-volume raw insurance data (claims, customer logs) from AWS S3, transforming and enriching data before loading into Snowflake for downstream analytics.
  • Enhanced performance of existing ETL jobs by 30% via code optimization, partitioning strategies, and parameterization.
  • Executed end-to-end SDLC , including design, development, testing, and deployment, for multiple insurance product launches.
  • Defined and enforced data security rules , encryption policies, and PII masking within Snowflake and Informatica.
  • Collaborated with underwriters and actuaries to build data marts for risk scoring and fraud analytics .
  • Recognized as a top performer for delivering scalable, accurate, and audit-compliant data solutions.

Birlasoft India Pvt Ltd

Sr. Software Developer
11.2018 - 11.2021

Job overview

  • Led migration of legacy PowerCenter workflows to IICS , ensuring compatibility with insurance policy management systems.
  • Reduced ETL runtime by 35% through code refactoring and cloud-native performance tuning techniques.
  • Conducted validation of policy and claims data pipelines , achieving >99.8% data integrity across environments.
  • Delivered documentation and post-migration audit logs to meet insurance regulatory compliance standards.
  • Supported multiple integration test cycles and UAT for large insurance clients during digital transformation programs.
  • Mentored junior developers on workflow optimization , parameter file management , and cloud features in IICS .

SocialNinjaz Technologies & Creative Media

Data Analyst
01.2017 - 10.2018

Job overview

  • Designed and maintained ETL jobs using Informatica PowerCenter for small- to mid-sized insurance firms.
  • Conducted root cause analysis of data discrepancies in claims and premium tables, improving reporting accuracy.
  • Tuned complex SQL queries and indexes, enhancing dashboard performance for policy insights.
  • Supported QA teams during regression and integration cycles for new product deployments.

Cognizant Technology Solutions

Programmer Analyst
07.2014 - 01.2017

Job overview

  • Maintained and enhanced ETL workflows for key insurance modules using PowerCenter and Oracle/SQL Server .
  • Investigated and resolved production incidents impacting claims and underwriting data flows.
  • Collaborated with business analysts and QA teams to deliver bug-free, high-performance batch processes.

Education

Uttar Pradesh Technical University
Ghaziabad, India

Bachelor of Technology from Computer Science
08.2010 - 06.2014

Timeline

Senior Specialist - Data Engineering

Larsen & Toubro Infotech (LTI-Mindtree)
10.2024 - Current

Microsoft Certified: Fabric Analytics Engineer Associate - Credential ID: 4C6289ABAAD71B59

06-2024

Cloud Data Integration for PowerCenter Developer, Foundation Certificate

05-2024

ILead - 2 Months Intensive Training for Future Leaders by LTIMindtree

10-2022

Specialist-Data Engineering

Larsen & Toubro Infotech (LTI-Mindtree)
11.2021 - 09.2024

Informatica Certified: Cloud Data Warehouse & Data Lake Modernization (Foundation Level)

04-2021

Azure Fundamentals, Microsoft - H515-1965

09-2020

Sr. Software Developer

Birlasoft India Pvt Ltd
11.2018 - 11.2021

Data Analyst

SocialNinjaz Technologies & Creative Media
01.2017 - 10.2018

Programmer Analyst

Cognizant Technology Solutions
07.2014 - 01.2017

Uttar Pradesh Technical University

Bachelor of Technology from Computer Science
08.2010 - 06.2014
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