Oct 2017 – Jun 2021 · 3 yrs 8 mos · Bengaluru, Karnataka, India

• Part of Advanced Engineering Team, Leading team of engineers Working on new age solution for IQVIA using Big Data Tools and Technologies.
• Designed and developed Scala & Apache Spark based schema parsing, change data capture etc. Developed functionalities using various spark APIs like DataFrames, DataSets and RDDs.
• Developed various re-usable Spark & Scala code components to be used across different modules. Some examples are Data Reader & Writers Factories JDBC operations, Implicit Class for reusable Dataframe/Dataset functions.
• Successfully leading & managing cross geographical teams in various IQVIA Analytical platform initiatives impacting the IQVIA Canada region.
• Working closely together with global tech, business and data science teams to develop new ideas, implement and test them, and measure success.
• Contributes design, code, configurations, and documentation for components that manage data
• ingestion, real time streaming, batch-processing, data extraction, transformation.
• End to End Design & development of Data platform for building a Consumer space portfolio for IQVIA..
• Performance tuning the application to bring down the execution time.
• Cross-trains other team members on technologies being developed, while also continuously learning new technologies.

Sep 2015 – Oct 2017 · 2 yrs 1 mo · Bengaluru, Karnataka, India

• Architect cum Lead a team of 6+ people in various Impetus Data Engineering initiatives .
• Lead a team to implement the Business logic for a Recommendation Engine in Spark and Elastic Search.
• Implement the Web Services and provide the demographics data in json format to the UI team.
• Investigated problems in production and make changes to the environment and associated applications as required.
• Played a crucial role in implementing PAAS strategy for on-premise cloud using OpenStack and Myriad

Oct 2013 – Sep 2015 · 1 yr 11 mos · Kolkata, West Bengal, India

• Leading a team to investigate big data technologies like Hadoop,hive,sqoop,pig etc relevant to product's need.
• Work closely with Product Management teams during design and development phases to ensure they meet requirements for scalability, reliability, performance, and manageability.
• Investigate problems in production and make changes to the environment and associated applications as required.
• Working closely with Functional Team to support finalizing specification design document.
• Work closely with different development teams across geographies to deliver enhanced features for the product suite.

Feb 2012 – Oct 2013 · 1 yr 8 mos · Kolkata, West Bengal, India

• Interfacing with client for requirement gathering, finalizing technical specifications for the product.
• Understanding existing architecture and impart knowledge and training across teams.
• Preparing Functional Specification and Design Specification for new features using use case diagrams,Class diagrams and sequence diagrams
• Participating in design discussions and analyze the problem in detail to understand the key points.
• Ensuring smooth implementation and testing of the application.
• Mentor junior team members.
• Implementing services catering to the requirement of different teams
• Updating and enhancing existing build and deployment scripts to increase automation and efficiency and reduce errors
• Making sure on a daily basis that none of the critical application cycles are delayed.
• Address any failure immediately and resolve within SLA.
• Come up with plan so that resolution time decreases over a period of time.

Aug 2007 – Feb 2012 · 4 yrs 6 mos

• Part of the core architecture team played a critical role in development of the UI Framework using GWT
• Participated in code review sessions for the code developed by other teams
• Have worked in a client interfacing role ensuring no gap exists between onsite and offshore teams
• Provided consultation to development teams.
• Developed Functional Design, Technical Design, Test case documents and Operation Manual
• Developed enhanced UI framework using JSF
• Played a vital role in SIT, UAT and Market Acceptance Testing.
• Provided functional knowledge to new team members at onsite and offshore.
• Making sure on a daily basis that none of the critical application cycles are delayed.
• Address any failure immediately and resolve within SLA.