Javed Khan

[email protected] +46 764374175 Stockholm

PROFESSIONAL SUMMARY

Google Cloud Certified Data Engineer with 16+ years of experience in designing and implementing large-scale, cloud-native data solutions. Expertise in building scalable ETL/ELT pipelines, optimizing data platforms for performance and cost, and enabling data-driven decision-making across Retail, Banking, and Telecom domains. Proven ability to lead projects from conception to deployment using GCP, Kubernetes, DBT, and Airflow. A collaborative team player with strong Agile methodologies and a focus on delivering robust, maintainable data infrastructure.

WORK EXPERIENCE

Cloud Data Engineer (Client: Telia Telecom)
06/2025 - Present
Tata Consultancy Services Ltd. , Sweden
Develop and manage scalable ETL pipelines to ingest and process petabytes of data into HDFS on the Cloudera platform
Implement complex data transformations using PySpark and orchestrate workflows with Airflow (v2.5.10) on Kubernetes, ensuring high availability and resilience
Automate data movement from the Common Data Lake (CDL) to multi-cloud storage solutions (AWS S3, GCP Cloud Storage) using custom-built Airflow DAGs
Configure Grafana for real-time monitoring of data pipelines and create proactive alerts, reducing issue resolution time by 30%
Google Cloud Data Engineer (Client: ICA Gruppen)
08/2022 - 06/2025
Tata Consultancy Services Ltd. , Sweden
Designed and deployed end-to-end ELT pipelines on GCP, leveraging BigQuery, Cloud Storage, Dataflow, and DBT to build a modern data analytics platform
Built modular and reusable DBT models for scalable and maintainable data transformations, serving critical business dashboards in Tableau
Optimized BigQuery performance by implementing partitioning, clustering, and materialized views, reducing query costs by 25% and improving latency
Engineered CI/CD pipelines using GitHub Actions for automated testing and deployment of DBT models and Airflow DAGs, improving deployment frequency
Google Cloud Data Engineer (Client: STC Solutions)
12/2020 - 07/2022
Tata Consultancy Services Ltd.
Engineered cloud-based data pipelines using BigQuery, DBT, and Airflow to facilitate migration from legacy on-premise systems to GCP
Developed parameterized and fault-tolerant Airflow DAGs with integrated retry mechanisms, SLA monitoring, and alerting for complex workflows
Automated metadata management and data extraction processes using Python and GCP APIs, enhancing data governance and operational efficiency
IBM DataStage ETL Developer (Client: Nordea Bank)
03/2019 - 12/2020
Tata Consultancy Services Ltd.
Developed and maintained ETL processes using IBM DataStage for extracting and transforming data for loading into Master Data Management (MDM) systems
Implemented Slowly Changing Dimensions (SCD) and optimized ETL job performance to handle large financial datasets efficiently
Integrated data validation checks within the ETL framework to ensure high data quality and integrity
Oracle System Analyst (UK Network Rail)
08/2018 - 03/2019
Tata Consultancy Services Ltd. , Milton Keynes, UK
Analyzed customizations in Oracle EBS R12, optimizing system performance
Mapped database objects for customizations, ensuring alignment with business needs
Oracle System Analyst (Santos Ltd)
10/2017 - 07/2018
Tata Consultancy Services Ltd. , Adelaide, Australia
Led migration of Oracle EBS R12 to AWS Cloud and resolved PL/SQL and BI Publisher issues post-migration
Debugged and fixed OAF pages and Oracle customizations
Oracle System Analyst (GE Renewable Energy)
07/2016 - 09/2017
Tata Consultancy Services Ltd. , Albany, USA
Customized Oracle Forms and workflows, and developed BI Publisher reports
Enhanced CRM and SCM systems through PL/SQL packages and OAF components
Oracle System Analyst (GE Aviation)
04/2014 - 07/2016
Tata Consultancy Services Ltd. , Mumbai, India
Developed PL/SQL packages and OAF components to support CRM and SCM modules
Conducted unit testing and resolved production issues within SLA
Senior Software Engineer
11/2010 - 04/2014
Atos India Private Limited , Mumbai, India
Customized Oracle Forms and workflows, and developed Discoverer reports for business users
Automated SQL queries using Oracle Alerts to improve operational efficiency
Software Engineer
02/2010 - 10/2010
Reliance Tech Services Pvt Limited
Developed and debugged PL/SQL code for billing and CRM systems
Managed database performance and resolved production issues
Software Engineer
07/2009 - 02/2010
Endroit Technologies Pvt Limited
Supported Geneva Billing Application and migrated postpaid customers to Wimax
Developed SQL queries and shell scripts for data processing
Software Engineer
07/2008 - 04/2009
Omnitech Infosolutions Ltd , Mumbai, India
Supported POS systems for P&G distributors, providing technical and functional assistance
Developed PL/SQL program units and applied software patches

EDUCATION

Bachelor of Engineering in Electronics
Mumbai University

SKILLS