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ETL Developer with 7+ years in Data Warehousing & Talend
Overall, 7 years of experience in Data warehousing using Talend 6.x/7.x/8.x. Having strong knowledge in Data warehousing and ETL concepts. Experience in working with Talend Open Studio (TOS) and Talend Enterprise Edition. Closely worked with client on requirements and deliverables. Data Extraction, Transformation and Loading using Talend and designed data conversions from wide variety of source systems including Oracle and non-relational sources like flat files, XML and Excel Files. Expertise in creating mappings in TALEND using tMap, tJoin, tReplicate, tParallelize, tConvertType, tflowtoIterate, tAggregate, tSortRow, tFlowMeter, tLogCatcher, tRowGenerator, tNormalize, tDenormalize, tSetGlobalVar, tHashInput, tHashOutput, tJava, tJavarow, tAggregateRow, tWarn, tLogCatcher, tMysqlScd, tFilter, tGlobalmap, tDie etc. Strong experience in Extraction, Transformation, Loading (ETL) data from various sources systems like flat files into Data Warehouses. Performed various activities like import and export of Talend Jobs & Projects. Worked with all the major components of Talend. Experienced in using Talend database components, File components and processing components as per the design requirements. Orchestration Components (tWaitForFile, tParallelize, tPrejob, tPostjob, tUnite). Expertise in working with different data sources heterogeneous source systems like Flat files (.TXT, XML, Excel, JSON, Fixed width, CSV). Having experience in Talend Admin Centre for deployment, scheduling and monitoring of Talend jobs. Experience in implementing SCD Type-1, Type-2 and Type-3 Dimensional tables and also familiar with Database. Management systems like Oracle, MySQL, MS SQL Server. As per technical design effectively implemented the Talend jobs to load the data into target. Developed various job-lets (reusable jobs) and used as sub-jobs in other jobs.
Aryabhata Institute of Technology and Science
B.Tech · ECE
N/A – June 30, 2015
Grayradiant Data Services Private Limited
ETL Developer
September 1, 2018 – Present
Bengaluru, Karnataka, India
COFCO International
Talend Developer
September 1, 2015 – August 31, 2018
India
McDonald's Corporation
Talend Technical Support Associate
June 1, 2014 – August 31, 2015
India
Cigna Health Benefits
June 22, 2026 – Present
Cigna is a global health service company dedicated to helping people improve their health, wellbeing and peace of mind. Cigna has 74,000 employees who serve more than 100 million customers throughout the world. Employees of multinational companies working outside their home country on short and long-term international assignments. CGHB maintains its own, in-house international claims platform, and offers a network of physicians and hospitals for its members This project involved in the process of extract, transform, and load Medical & Insurance data from the different client system into Oracle database environment & FTP locations that can be accessible for reporting purposes. Responsibilities: Develop the ETL mappings for XML, .CSV, .TXT sources and loading the data from these sources into relational tables with Talend ETL Developed Job lets for reusability and to improve performance. Created fact and dimension tables based on specifications provided by manager. Designed various jobs for extracting data from various sources involving flat files and relational tables. Implemented FTP operations using Talend Studio to transfer files in between network folders as well as to FTP server using components like tFileCopy, TFileAcrchive, tFileDelete, tTouchFile, tFTPRename, tFTPPut, tFTPGet etc. Developed jobs using Talend for data loading. Importing Source/Target tables from the respective databases. Understanding existing business model and client requirements. Extensively involved in development of jobs using various transformations of Talend according to business logic. Implementing SCD Type1 & Type2 based on the business requirement. Prepared Design documents, Use case Documents and Test Cases Documents. Tuned the Jobs for its better performance. Understanding the source and target data model. Implemented Error Handling to provide the detailed error messages.
McDonald's Corporation (e-commerce Platform (eCP))
June 22, 2026 – Present
McDonald's is an American fast-food company and it is the world's largest restaurant chain by revenue serving over 69 million customers daily in over 100 countries across approximately 36,900 outlets. This project is required to extract, transform, and load product's & employee's data from the different client system into database environment that can be accessible for reporting purposes. Responsibilities: I was supported across all stages of an end-to-end project, from planning to deployment, in areas such as Analysing data sources and resolve data mapping issues in initial phase. Understanding the source and target data model involved in the development of ETL process for Extracting data from different file sources like XML, CSV, Excel and Json. Creating Audit tables to capture number of records are extracted, loaded and rejected. Creating logs & errors table to capture exceptions. Creating job-lets to load context parameters. Working on the design, development and testing of Talend mappings. Using components like tJoin, tMap, tFilterRow, tAggregateRow, tSortRow, Target Connections and Source Connections. Working on database components like tDBInput, tDBOutput, tDBrow and file components like input delimited, output delimited, .xml files. Implementing tlogcatcher and tStatCatcher involved in performance tuning in job design. Working with version control tools and Talend Administration Center. Managing ETL defects, enhancement and new functionality requests to meet changes in the Source systems and business needs. Working on scheduling and deploy jobs in TMC. Implementing SCD Type1 & Type2.
COFCO International
June 22, 2026 – Present
COFCO International supplies agriculture products around the world through our globally integrated supply chain, originating from surplus producing regions to supply regions with high demand. This project is related to clinical data, as a part of this project we created Datawarehouse in Oracle database. This system is required to extract, transform, and load international supplies of agriculture products data from the different client system into a Cloud database environment that can be accessible for reporting purposes. Responsibilities: Analysing Change Request's and preparing detailed Technical Design document. Analysing Source system for ETL Extractions Transformations and Loading. Extensively involved in creation of mappings for extracting the source data and transformed the data into target system according to business logic. Performed unit testing & functional testing. Primary off shore contact for daily running ETL jobs on Production Environment. Implemented Email notification for data loads and monitoring the data loads daily as per the schedules. Involved in creation of Jobs, Sequences and scheduled the Job Sequences for incremental loads. Working with cross location technical and functional team. Managed ETL defects, enhancement and new functionality requests to meet changes in the Source systems and business needs.
Cultural Fit Analysis
The candidate has worked on projects for large, multinational corporations (Cigna, COFCO International, McDonald's), indicating an ability to adapt to diverse organizational cultures and complex business environments. The consistent focus on ETL development and data warehousing across these roles aligns well with the target role of an ETL Developer. The breadth of skills in various databases, operating systems (Windows, Unix), and cloud technologies (AWS S3, Snowflake) suggests adaptability and a willingness to learn new tools, contributing positively to cultural fit in a dynamic environment.
Soft Skills & Operational Fit
The candidate's project descriptions indicate experience in working with cross-location technical and functional teams, analyzing change requests, preparing technical design documents, and managing ETL defects. This suggests a capacity for collaboration, problem-solving, and adherence to project lifecycle methodologies. The role as a 'Talend Technical Support Associate' also implies a customer-facing or support-oriented mindset, which can be beneficial for operational roles.