Summary
Skills
Work History
Education
Accomplishments
Timeline
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NIJANTHAN RAVI

Senior Manager - Data
Abu Dhabi,AZ

Summary

Accomplished Senior Data Manager with over 11+ years of experience leading product development teams specializing in the field of data management. Proven expertise in leveraging cutting-edge technologies, including open-source LLMs, Spark and other big data stacks, to drive innovation and enhance overall data management processes. Key member in all client-facing interactions, proposals, migrations with assertive communication and problem-solving skills. Proficient in understanding business processes/requirements and translating them into technical requirements.

Skills

Big Data Architecture & Design

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Work History

Senior Manager - Data

Crayon Data
10.2019 - Current
  • Spearheaded a 12-member data engineering team, successfully delivering 4 pivotal data projects for two different banking clients
  • The quality of our deliverables established a foundation for upselling, elevating our organization to a trusted data partner for the bank
  • Key Achievements for the bank: Eliminated 400 hours of manual efforts, Improved campaign performance by 45%, Improved product upsell & cross-sell by 20%
  • Oversaw the technical direction and management of the big data team, ensuring the successful implementation of solution architecture within the Bigdata ecosystem.
  • Engaged in solution discussions, submitting RFPs, and participating in architecture and design dialogues for projects across the Middle East region.
  • Collaborated with cross-functional teams, including data scientists, engineers, and business analysts, to define project requirements and ensure alignment with business goals.
  • Encouraged a culture of continuous learning within the team, organizing training sessions and workshops to enhance skills in emerging technologies.
  • Proficient developer and optimizer of Spark applications, having trained over 30 juniors in Spark, and recognized as the Best Trainer of the year for Spark Expertise.
  • Expert in cost optimization by using automation modules, have reduced 60% AWS EMR cost for my company and reduced over 400 hours of human effort/month for my client.
  • Played product manager role in conceptualizing and crafting a fully data-driven mobile app for a banking client. Provided direction to backend, frontend, data, and testing teams, ensuring timely and successful project delivery.
  • Passionate about AI, developed Generative AI POC applications and also deployed an open-source LLM (Large Language Model) utilizing FastAPI on the Microsoft Azure Cloud platform.

Senior Data Engineer

HCL Technologies
12.2017 - 09.2019
  • Played a vital role in planning, designing, and developing a low-latency bounce-back processing application for a banking client
  • Leveraged Kafka to ingest real-time bounce-back data from emails and SMS, subsequently processed and integrated with a PEGA decisioning engine for alternative delivery methods
  • Successfully reduced bounce-back processing time from days to hours
  • Ingested data from different RDBMS systems to data lake using Spark JDBC.
  • Implemented partitioning and utilized bucketing in HIVE tables, while fine-tuning parameters to enhance performance.

Data Engineer

Antuit
12.2016 - 12.2017
  • Involved in setting up data lake for a US based cloud storage warehousing company
  • Migrated data from 100+ RDBMS systems into datalake and also setup a near real-time data refresh pipeline to datalake
  • Developed an analytics dashboard on top of acquired data to generate insights for pricing on demand, vacancy, peak duration prediction
  • Extensively worked on Spark Data frames, Spark SQL and Streaming
  • Extensive experience in Data Ingestion, In-Stream data processing, batch analytics and Data persistence strategy.
  • Experienced in GIT, SBT and Eclipse.

Data Engineer/Hadoop Administrator

Wipro Technologies
01.2013 - 12.2016
  • Started my career as Hadoop Administrator, involved in plan, design & build enterprise-level Hadoop cluster using Cloudera
  • Experienced in cluster security & data security using Kerberos, SSL Setup
  • E2E cluster Management activities like CM/CDH Upgrade, Job Monitoring, HDFS Management & User Authorization
  • Expert in automation using Shell script, reduced around 40% manual efforts using automation
  • Involved in cluster fine tuning, benchmarking and optimization.
  • Protecting data in the cluster from unauthorized visibility by creating Encryption zones.

Education

B.E. Electrical & Electronics Engineering -

Jeppiaar Engineering College
Chennai
2012

M.Tech Software Systems -

Birla Institute Of Technology
Remote
2016

Accomplishments

  • Reduced org wide AWS utilization cost by 45%
  • Developed a module to effectively leverage EMR Managed scaling, Spot instances & graviton instances. Educated the team and implemented the solution on all the project in our organization.
  • Awarded as best Jigsaw Trainer of the organization
  • Conducted training sessions for colleagues on "Advanced Spark Opitmization Techniques" & "Building cost-effective, scalable data pipelines"

Timeline

Senior Manager - Data

Crayon Data
10.2019 - Current

Senior Data Engineer

HCL Technologies
12.2017 - 09.2019

Data Engineer

Antuit
12.2016 - 12.2017

Data Engineer/Hadoop Administrator

Wipro Technologies
01.2013 - 12.2016

B.E. Electrical & Electronics Engineering -

Jeppiaar Engineering College

M.Tech Software Systems -

Birla Institute Of Technology
NIJANTHAN RAVISenior Manager - Data