Justin

Big Data Developer
Since 2016, Nagamani has been working professionally in the fields he loves, software and Big data—culminating in him. Before that, he spent the past decade at Mahindra Engineering College pursuing a Bachelors in technology in Information Technology. He too has a strong exposure in Life Sciences and Data Analytics domain, With 6 years of experience in Data Warehousing. Has a hands-on experience in ETL application informatica PowerCenter with Oracle and also experience in Apache Spark 2.x with Spark SQL, AWS, Databricks. All in all, Nagamani is an engaging, intense communicator with a passion for knowledge and understanding.
CANDIDATE ID
AG009
YEARS OF EXPERIENCE
6
+ years
EXPERT IN
Amazon S3 (AWS S3)
AWS
Redshift
Athena
DynamoDB
EC2
IAM
LAMBDA
RDS
CloudTrail
CloudWatch
Airflow
Jenkins
Python
Pyspark
Apache Spark 2.x
Informatica power center 9.x
Data Intégration Hub
Data bricks.

Skills

Languages

Python, Pyspark

Libraries/APIs

Pandas, MYSQL, Scikit-learn, TensorFlow, Matplotlib

Paradigms

Data Analytics

Platforms

Amazon Web Services (AWS), Windows

Storage

MYSQL, Amazon S3 (AWS S3), DynamoDB

Industry Expertise

Information Technology

Other

Statistical Analysis, Machine Learning, Statistics, Physics, Modeling, Full-stack, Software Development, Data Visualization, Data Engineering, Visualization, AWS, ECS, Optimization, Computer Vision

Professional experience

Lead Big- Data Developer

Agilisium                                          

2020 – Current                

Project 1

Client : Amgen                       

Project Type : Admin and Enhancements

Tools : Admin and Enhancements

Role : Lead Big-Data Developer

Roles and Responsibilities:

  • Worked on requirement gathering from the client and managing the team.
  • Enhance the existing developed codes layer by layer and that are maintained in the versioning control tool of GitHub.
  • Worked on cost optimization tasks and implemented new features to the DNA projects.
  • Coordinate with the team members and allocate work with on and track the progress in the daily basis.
  • Given proper KT to the required team members

Technologies : Amazon Web Services (AWS), GitHub, Data Bricks, AWS, Python.

SeniorBig- Data Developer

Project 2

Client : Amgen               

Project Type : iDNA Data integration and Upgrade

Tools : AWS, Redshift

Role : Senior Big-Data Developer

Roles and Responsibilities:

  • Upgraded the existing developed layer and reframed the architecture.
  • Co-ordinated the end-to-end architecture pipelines.
  • Develop the codes layer by layer and that are maintained in the versioning control tool of GitHub.
  • Prepared Automated test cases and scheduled job sin Airflow UI

Technologies : Amazon Web Services (AWS), Python, Redshift

Senior Big- Data Developer                            

Project 3

Client : Amgen            

Project Type :Spillover Transition

Tools : AWS, Data Bricks, PySpark

Role : Senior Big-Data Developer

Roles and Responsibilities:

  • Worked on requirement gathering from the client.
  • Develop the codes layer by layer and that aremaintained in the versioning control tool of GitHub.
  • Prepared Automated test cases and design documents, Test results Documentation, instruction documents formappings.
  • Coordinate with the team members and allocatework with on and track the progress in the daily basis.
  • Given proper KT to the required team members.

Technologies : Amazon Web Services (AWS), PySpark, DataBricks.

Senior Big- Data Developer                           

Project 4

Client : Amgen          

Project Type : LMS Modernization

Tools : AWS, Oracle, PySpark, DynamoDB

Role : Senior Big-Data Developer

Roles and Responsibilities:

  • Worked on requirement gathering from the client.
  • Develop the codes layer by layer and that aremaintained in the versioning control tool of GitHub.
  • Prepared Automated test cases and scheduled jobsin Airflow UI by using Jenkins build.
  • Coordinate with the team members and allocatework with on and track the progress in the daily basis
  • Given proper KT to the required team members

Technologies : Amazon Web Services (AWS), Oracle, Jenkins, DynamoDB.

Big- Data Developer                   

Project 5

Client : Amgen

Project Type : iDNA Data Ingestion

Tools : AWS, GitHub, Airflow, Jenkins

Role : Big-Data Developer

Roles and Responsibilities:

  • Worked on requirement gathering from the client.
  • Develop the codes layer by layer and that are maintained in the versioning control tool of GitHub.
  • Prepared Automated test cases and scheduled job sin Airflow UI by using Jenkins’s build.
  • Coordinate with the team members and allocate work with on and track the progress in the daily basis
  • Given proper KT to the required team members

Technologies : Amazon Web Services (AWS),GitHub, Airflow, Jenkins.

Big- Data Developer              

Project 6

Client : Amgen

Project Type : ODS, SDS

Operating System : Windows 2008

Tools : ODS, SDS

Role : Big-Data Developer

Roles and Responsibilities:

  • Develop the codes layer by layer and that aremaintained in the versioning control tool of GitHub.
  • Replicate ETL jobs logic into SparkSQL languageto load the data into S3.
  • Prepared Automated test cases and scheduled jobsin Airflow UI by using Jenkins’s build.

Technologies : Amazon Web Services (AWS),GitHub, Airflow, Jenkins.

ETL- Developer                         

Project 7

Client : Amgen

Project Type : Enhancement in DIH

Tools : Enhancement in DIH

Role : ETL Developer

Roles and Responsibilities:

  • Develop the codes layer by layer and that are maintained in the versioning control tool of GitHub.
  • Creating standard mappings, workflows and Data Integration jobs based on user requirements.
  • Prepared Automated test cases and design documents, Test results Documentation, instruction documents for mappings.  

Technologies : Amazon Web Services (AWS), GitHub

ETL - Developer

Project 8

Client : Amgen

Project Type : GDO Analytics

Tools : AWS, GWD, Airflow

Role : ETL Developer

Roles and Responsibilities:

  • Worked on requirement gathering from the client.
  • Develop the codes layer by layer and that are maintained in the versioning control tool of GitHub.
  • Creating standard mappings, workflows and Data Integration jobs based on user requirements
  • Prepared Automated test cases and scheduled jobs in Airflow UI by using Jenkins’s build.
  • Coordinate with the team members and allocate work with on and track the progress in the daily basis
  • Given proper KT to the required team members

Technologies : Amazon Web Services (AWS), GitHub

Certifications

Education

2011-2015

B.Tech (Information Technology)

Mahindra Engineering College, Anna University

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