Data Architect & Senior Data Engineer

Maitree Manna designs
data platforms that scale.

13+ years across BFSI and Retail — designing metadata-driven ingestion frameworks, migrating legacy systems to the cloud, and building the Big Data practice at Capgemini. Deep in Hadoop, Spark, Flink, Kafka, AWS, and Azure.

Get in touch View experience
Mumbai, Maharashtra, India maitreemanna89@gmail.com linkedin.com/in/maitree-manna

01 — About

Professional Summary

13+ years of progressive IT experience across the BFSI and Retail domains, spanning key roles as Data Architect, Senior Data Engineer, and Techno-Functional SME.

RFP & Solution Architecture

Authored winning RFP responses as Bigdata Architect and delivered enterprise-scale platforms as Solution Architect.

Big Data Ecosystem

Deep hands-on expertise across HDFS, Hive, Impala, Sqoop, NiFi, Flink, PySpark, and Kafka.

Multi-Cloud, AWS & Azure

Strong command of both platforms, backed by solid data warehouse design, SQL-driven analysis, and Python.

Cross-Geo Delivery

Partnering with stakeholders and delivery teams across multiple geographies on Hadoop ecosystem solutions.

Full Lifecycle Ownership

End-to-end ownership — ideation, analysis, design, architecture, development, testing, deployment.

CI/CD Automation

Building and maintaining CI/CD pipelines to streamline and automate delivery.

13+ Years in IT
4 Enterprise employers
2 Cloud platforms (AWS / Azure)
4 Certifications

02 — Skills

Technical Toolkit

Environment

Hortonworks Distribution Cloudera

Big Data Ecosystem

HadoopHDFSHive ImpalaSqoopNiFi Flink / PyFlinkPySpark KafkaHBase

AWS

RedshiftEMRS3 GlueAthenaLambda RDSDynamoDBSNSSQS

Azure

DatabricksData Factory

Languages

SQLPythonUnix Shell Script

SQL / NoSQL Databases

OraclePostgresMySQL MS SQL ServerMongoDB

CI/CD & Scheduling

GitHubJenkinsAirflow OozieAutosysBMC

BI / Visualization

Tableau

AI Tools

Claude (Anthropic)

03 — Journey

Know My Career Journey

CG

Data Architect · Capgemini India Pvt. Ltd.

Apr 2024 – Present

Big Data Service Line (CoE) — Capability & Competency Building · Mumbai, India

  • Contribute to and manage the Big Data practice in India, overseeing resourcing, reskilling, and delivery readiness.
  • Support the presales team with proposal management, estimation, and solution architecture for RFP/RFI responses.
  • Guide teams through metadata-driven pipeline design and code deployments.
Featured Project

Insurance Data Ingestion Platform Jan 2024 – Present

  • Architecting a metadata-driven batch and streaming ingestion platform for insurance data, built for scalability across data sources.
  • Built real-time stream processing with fault-tolerant, resumable pipelines and automated CI/CD deployment.
CTS

Senior Data Engineer · Cognizant Technology Solutions

Jun 2022 – Apr 2024

Mumbai, India

Featured Project

Legacy Data Platform Migration Dec 2023 – Apr 2024

  • Re-platformed a legacy data architecture onto a modern cloud data warehouse, defining the target data model and ETL design.
  • Led team development, code reviews, and delivery planning for historical and incremental data loads.
Featured Project

Enterprise Data Mart Development Jul 2023 – Dec 2023

  • Built ETL pipelines to bring new data sources into a cloud data lake and warehouse, from raw ingestion through to reporting-ready tables.
  • Directed the team through development and deployment as Sr. Data Engineer.
JPM

Data Domain Architect · JPMorgan Chase

Aug 2019 – Jun 2022

Transactional Data Enrichment & Enterprise Data Lake Creation on AWS · Mumbai, India

  • Designed ETL pipelines to transform transaction data into reporting-ready formats for customer-facing statements.
  • Led the creation of an enterprise data lake on AWS, modernizing a legacy consumer banking platform for the cloud.
  • Orchestrated ingestion and transformation workflows across the cloud data pipeline.
TCS

Data Engineer · Tata Consultancy Services

Mar 2013 – Jul 2019

Mumbai, India

  • Designed ETL pipelines and data models on the Hadoop ecosystem to support enterprise BI reporting.
  • Helped migrate on-premise data systems to AWS and Azure, building cloud-based data lakes.
Featured Project

Retail Banking Data Mart Development Mar 2019 – Jul 2019

  • Built a data mart on a multi-node Hadoop cluster, combining batch ingestion with near-real-time streaming.
  • Designed a reporting-friendly data model and partnered with business stakeholders on requirements and issue resolution.

04 — Credentials

Education & Certifications

Education

  • B.E., Electrical Engineering SSET Bhilai (CSVTU) 2012 · 71%
  • Higher Secondary (HSC) K.V Balco (CBSE) 2008 · 71%
  • Secondary (SSC) K.V Balco (CBSE) 2006 · 88.8%

Certifications

  • AWS Certified Cloud Practitioner
  • AWS Certified Solutions Architect – Associate
  • AWS Certified AI Practitioner
  • Databricks Certified Data Engineer Associate

05 — Services

How I Can Help

Beyond enterprise delivery, I mentor and consult professionally — helping individuals and teams build stronger careers and capabilities in tech.

Resume Building

Crafting polished, ATS-friendly resumes that clearly communicate your experience and impact to hiring managers and recruiters.

Portfolio Creation

Designing and building professional personal portfolio sites that showcase your projects, skills, and career story effectively.

Technical Skill Development

Structured, hands-on mentoring to help you build real proficiency in data engineering, Big Data tools, and cloud platforms.

Big Data & Cloud Course Design

Designing structured, industry-aligned training curricula on Big Data (Hadoop, Spark, Kafka) and cloud platforms (AWS, Azure) for teams and learners.

06 — Contact

Let's build something.

Open to Data Architect, Data Engineering leadership, and Big Data solutioning conversations — as well as resume building, portfolio creation, technical mentoring, and Big Data/cloud course design. Reach out directly — I reply personally.

maitreemanna89@gmail.com LinkedIn