Jyothish Kalavoor Parambil
NSW
Summary
Seasoned Data Engineer with over a decade of experience in Bigdata/Hadoop distributed platforms and more than two decades in the IT industry focusing on software engineering. Specialized in crafting and implementing ETL frameworks & pipelines using Hadoop and Spark. Adept at designing logical and physical Data Models with NoSQL databases. Proficient in overseeing full lifecycle implementations, from requirements analysis to deployment, with a strong foundation in Object-Oriented & Functional programming paradigms. Skilled in collaborating with Agile delivery teams, including Data Scientists, Business Analysts, and Operations teams to develop and deploy new Datasets into production. Extensive background working closely with clients worldwide for requirement gathering, testing support, and production rollout as part of TCS consulting practices across South Africa, USA, Finland, and Japan.
Overview
20
20
years of professional experience
1
1
Certificate
Work History
Integration Specialist
Commonwealth Bank of Australia
12.2020 - Current
- Developed data pipelines within the NetReveal application.
- Supported both Business Analysts (BA) and Technical BAs in conducting data analysis.
- Acted as a platform administrator to provide operational support.
- Managed release cycles and change deployments.
- Collaborated with OPS teams to resolve production issues (L1, L2, and L4 support).
- Assisted business teams with rules calibration in the NetReveal environment.
- Mentored new engineers during their upskilling and transition process.
- Technologies: Spark, python, SQL, shell scripting, AutoSys
Integration Specialist
Commonwealth Bank of Australia
12.2020 - Current
- Developed data pipelines within the NetReveal application.
- Supported both Business Analysts (BA) and Technical BAs in conducting data analysis.
- Acted as a platform administrator to provide operational support.
- Managed release cycles and change deployments.
- Collaborated with OPS teams to resolve production issues (L1, L2, and L4 support).
- Assisted business teams with rules calibration in the NetReveal environment.
- Mentored new engineers during their upskilling and transition process.
- Technologies: Spark, python, SQL, shell scripting, AutoSys
Senior Data Engineer
Cognizant Technology Solutions
02.2019 - Current
- Collaborate with Data Scientist by providing solutions to bring required data sets from various sources through ETL workflows.
- Working with the architecture team to design BigData solutions.
- Implement transformations using PySpark to load the data into Apache Phoenix.
- Technologies: Spark, Spark SQL, Python, Hive, HBase, Phoenix, git, ControlM
Senior Data Engineer
Cognizant Technology Solutions
02.2019 - Current
- Collaborate with Data Scientist by providing solutions to bring required data sets from various sources through ETL workflows.
- Working with the architecture team to design BigData solutions.
- Implement transformations using PySpark to load the data into Apache Phoenix.
- Technologies: Spark, Spark SQL, Python, Hive, HBase, Phoenix, git, ControlM
Hadoop Technical Lead
TATA Consultancy Services
09.2014 - 02.2019
- Collaborate with Business Analysts by providing required data sets from various sources through ETL workflows.
- Working with the architecture team to design BigData solutions.
- Design of ETL based data loads patterns for ingestion and regression.
- Investigating production data issues and rollout fixes.
- Collaborate with Delivery Manager, Business Analysts and Release management teams to rollout new features into production.
Hadoop Technical Lead
TATA Consultancy Services
09.2014 - 02.2019
- Collaborate with Business Analysts by providing required data sets from various sources through ETL workflows.
- Working with the architecture team to design BigData solutions.
- Design of ETL based data loads patterns for ingestion and regression.
- Investigating production data issues and rollout fixes.
- Collaborate with Delivery Manager, Business Analysts and Release management teams to rollout new features into production.
Java Technical Lead
TATA Consultancy Services
10.2013 - 08.2014
- Lead the batch module implementation for TCS accounting Processing Product using SpringBatch.
- Lead the implementation of TAP product for a Retail customer (USA).
- Documenting architecture & design documents.
- Conducting internal and external code reviews.
- Technologies: JAVA 6, Oracle11g, JBoss 7.1, Spring3.2, SpringSecurity 3.2, SpringBatch2.1, MyBatis3
Java Technical Lead
TATA Consultancy Services
10.2013 - 08.2014
- Lead the batch module implementation for TCS accounting Processing Product using SpringBatch.
- Lead the implementation of TAP product for a Retail customer (USA).
- Documenting architecture & design documents.
- Conducting internal and external code reviews.
- Technologies: JAVA 6, Oracle11g, JBoss 7.1, Spring3.2, SpringSecurity 3.2, SpringBatch2.1, MyBatis3
Lead Java Developer
TATA Consultancy Services
10.2007 - 08.2013
- Lead the complete life cycle of re-engineering a Batch module of an insurance administrative system of a South African Insurance company, which migrated a VB based application to Java.
- Lead the design, development, implementation & maintenance phases of Batch.
- Co-ordinate production release activities with customer platform team.
- Lead the post production activities; including developing new features in maintenance phase.
- Developed browser widgets for Firefox using XUL.
- Technologies: JAVA 6, EJB3.0, SQL server 2005, RSA 8.3, WAS 7.1, Spring2.5.6, Hibernate 3.6
Lead Java Developer
TATA Consultancy Services
10.2007 - 08.2013
- Lead the complete life cycle of re-engineering a Batch module of an insurance administrative system of a South African Insurance company, which migrated a VB based application to Java.
- Lead the design, development, implementation & maintenance phases of Batch.
- Co-ordinate production release activities with customer platform team.
- Lead the post production activities; including developing new features in maintenance phase.
- Developed browser widgets for Firefox using XUL.
- Technologies: JAVA 6, EJB3.0, SQL server 2005, RSA 8.3, WAS 7.1, Spring2.5.6, Hibernate 3.6
Java Developer
UST Global
04.2005 - 10.2007
- Developed a Java based error handling framework and UI for support person to trace application errors.
- Developed a reporting tool to keep track of production errors for support and maintenance team.
- Developed the module to publish warehouse data to IBM MQ.
- Developed UI for uploading sample analysis data in Excel, CSV or text format with Java & JSP.
- Enhancement in GycoCompare application.
- Application support of XIBIS inhouse product.
- Technologies: JAVA 2, JSP2.0, Servlet2.4, Spring1.27, MySql 4.2.3Tomcat 5.0.28, Linux FC3.
Java Developer
UST Global
04.2005 - 10.2007
- Developed a Java based error handling framework and UI for support person to trace application errors.
- Developed a reporting tool to keep track of production errors for support and maintenance team.
- Developed the module to publish warehouse data to IBM MQ.
- Developed UI for uploading sample analysis data in Excel, CSV or text format with Java & JSP.
- Enhancement in GycoCompare application.
- Application support of XIBIS inhouse product.
- Technologies: JAVA 2, JSP2.0, Servlet2.4, Spring1.27, MySql 4.2.3Tomcat 5.0.28, Linux FC3.
Education
Master’s - Computer Applications
Bharathiar University
01.2004
Bachelor - Computer Science
Kerala University
01.2000
Skills
- Big data solutions development
- Agile Development
- Enterprise Application Development
- Functional Programming
- Data Ingestion & analytics
- Capacity Planning
- Design and Implementation
- Cloud Platform: AWS
- Big Data: Hadoop
- Big Data: Spark
- Big Data: SQL
- Real-time data streaming with Kafka
- Programming Languages: Java
- Programming Languages: Python
- Hadoop Distributions: Cloudera
- RDBMS: Oracle
- RDBMS: Postgres SQL
- Tools: GIT
- Tools: Jira
- Platforms: Unix
- Platforms: Windows
- Demonstrated Capabilities: Agile
- Demonstrated Capabilities: SDLC
- Demonstrated Capabilities: DevSecOps
- Demonstrated Capabilities: Data Engineering
Certification
AWS Developer associate
Timeline
Integration Specialist
Commonwealth Bank of Australia
12.2020 - Current
Integration Specialist
Commonwealth Bank of Australia
12.2020 - Current
Senior Data Engineer
Cognizant Technology Solutions
02.2019 - Current
Senior Data Engineer
Cognizant Technology Solutions
02.2019 - Current
Hadoop Technical Lead
TATA Consultancy Services
09.2014 - 02.2019
Hadoop Technical Lead
TATA Consultancy Services
09.2014 - 02.2019
Java Technical Lead
TATA Consultancy Services
10.2013 - 08.2014
Java Technical Lead
TATA Consultancy Services
10.2013 - 08.2014
Lead Java Developer
TATA Consultancy Services
10.2007 - 08.2013
Lead Java Developer
TATA Consultancy Services
10.2007 - 08.2013
Java Developer
UST Global
04.2005 - 10.2007
Java Developer
UST Global
04.2005 - 10.2007
Bachelor - Computer Science
Kerala University
Master’s - Computer Applications
Bharathiar University
Experience Highlight
- Cognizant Technology Solutions, Australia, 2019-02-01, Present
- TATA Consultancy Services Ltd, India, 2007-10-01, 2019-01-31
- UST Global, India, 2005-12-01, 2007-10-31
- EcommIT Labs Private Ltd, India, 2005-04-01, 2005-11-30
Personal Information
Title: Senior Data Engineer
Core Capabilities
- Big Data Development
- Agile Development
- Enterprise Application Development
- Functional Programming
- Data Ingestion & analytics
- Remote & Onsite Implementation
- Systems Integration
- Capacity Planning
- Design and Implementation
Experience Highlight
- Cognizant Technology Solutions, Australia, 2019-02-01, Present
- TATA Consultancy Services Ltd, India, 2007-10-01, 2019-01-31
- UST Global, India, 2005-12-01, 2007-10-31
- EcommIT Labs Private Ltd, India, 2005-04-01, 2005-11-30
Personal Information
Title: Senior Data Engineer
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