Available to hire
Hello, I’m Krishna Mondal, a data-focused Test Analyst with extensive experience in data analysis and testing across end-to-end enterprise BI solutions. I enjoy turning complex data into clear insights, validating data quality, and collaborating with stakeholders to define testing scope and requirements.
I have hands-on experience with data migration testing across on-prem and cloud platforms (MySQL, MS SQL, Snowflake, Databricks, AWS), building test frameworks, and delivering dashboards and reports that communicate test outcomes and defects effectively.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Language
English
Fluent
Work Experience
Senior Data & Validation Specialist at Qfleet
November 1, 2025 - PresentDirected the data validation strategy for a statewide fleet management transformation program. Ensured accuracy and consistency of high-volume datasets migrated to a new cloud ecosystem. Defined test scope and acceptance criteria for vehicle and finance datasets; automated validations using complex SQL procedures to identify data gaps, significantly reducing manual cleansing time and ensuring 100% adherence to business rules. Logged and tracked critical defects in JIRA, collaborating with Data Engineers to resolve source-to-target logic gaps. Performed production-like performance testing to identify and remediate bottlenecks in large-scale data processing.
Data Validation Analyst at Aarunik Pty Ltd
August 1, 2024 - November 1, 2025Leveraged advanced data modeling to drive consultative business expansion. Focused on optimizing Customer Experience (CX) metrics and automating complex financial tracking systems. Identified data quality patterns and gaps using SQL procedures in SSMS to maintain high-integrity reporting for business growth. Automated verification with SQL-based rules and worksheets; designed Power BI dashboards to ensure visuals accurately reflected underlying data.
Test Analyst (Cloud & Platform) at Compare the Market
September 1, 2022 - August 1, 2024Key quality contributor to building a greenfield data platform on Databricks and AWS. Validated ingestion, transformation, and governance frameworks (Unity Catalog). ETL Testing: created testing notebooks in Databricks using PySpark and Python to simulate transformation logic and validate Medallion Architecture (Bronze, Silver, Gold). Schema & Governance QA: validated securable objects in Unity Catalog and performed complex array-type and hierarchical JSON data testing. Integration, functional, and performance testing including Post Verification Testing after production deployments. API Testing: verified API functionalities, service principal tokens, and user groups via Postman. DevOps Pipelines: managed code releases to UAT and automated data availability jobs using Azure DevOps.
Quality Analyst / Test Consultant at Freelance and Professional Development
June 1, 2016 - September 1, 2022Provided ad-hoc data consultancy and QA testing for small businesses and non-profits, focusing on data cleanup, test data mockups, and automation. Improved data completeness and spreadsheet automation, and developed test data mocks for UAT environments. Applied QA methodologies to enhance data quality and reliability for client projects.
Test Analyst at TechM for GE (General Electric)
May 1, 2013 - June 1, 2016Supported a high-transaction integration layer for GE, managing complex backend data requirements and automated test scheduling. Developed an automation framework using TOSCA Test Suite for test scheduling and execution. Wrote complex SQL queries for backend data validation in an integration layer processing thousands of transactions daily.
Test Analyst at TechM (for General Electric GE)
May 1, 2013 - June 1, 2016Supported a high-transaction integration layer by developing an automation framework using TOSCA Test Suite for test scheduling and execution. Executed complex backend data validations with SQL queries supporting thousands of daily transactions, and scheduled automated tests to ensure data integrity.
Test Analyst at TechM for client GE
May 1, 2013 - June 1, 2016Supported a high-transaction integration layer for GE, managing complex backend data requirements and automated test scheduling. Built an automation framework using TOSCA Test Suite for test scheduling and execution; authored complex SQL queries for backend data verification.
Data Quality Patterns/Data Validation Analyst at Aarunik Pty Ltd
August 1, 2024 - November 1, 2025Applied advanced data modeling and SQL-based validation to identify patterns and gaps in datasets, maintaining high-integrity reporting for business expansion. Automated verification rules for complex income and expense tracking systems and designed Power BI dashboards to ensure accurate visual Narratives.
Test Analyst at TechM for client General Electric (GE)
May 1, 2013 - June 1, 2016Supported a high-transaction integration layer with automated test scheduling. Built an automation framework using TOSCA Test Suite for test scheduling and execution; authored complex SQL queries for backend data requirements in an integration layer handling thousands of transactions daily.
Test Analyst at Qfleet
November 1, 2025 - PresentSupporting QFleet’s statewide fleet management transformation program by validating high volume vehicles, finance, and operational datasets to ensure accuracy, consistency, and compliance with business rules. Performed hands-on functional and regression testing using SQL scripting; completed SIT and UAT as per business rules; conducted performance testing in production-like environments; collaborated with data engineers to troubleshoot defects and verify fixes through retesting; logged and tracked defects in Jira with clear reproduction steps and impact notes to help prioritise issues.
Test Analyst at Compare the Market
May 1, 2023 - August 1, 2024Created a whole new data platform in Databricks and AWS and Azure for CTM and ingested data from different source systems, transforming data to support business reporting and downstream applications. Engaged in understanding business requirements through workshops; created testing notebooks in Databricks using PySpark; performed integration, functional, regression, and performance testing; post-verification (PVT) after deployment to production; created SQL queries for testing complex data structures; ran Azure DevOps pipelines for code release to UAT and data availability; tested API functionalities via Postman; identified and revised source-to-target mapping rules.
Data Analyst at Compare the Market
September 1, 2022 - May 1, 2023Created a data platform in Databricks and cloud environments for CTM; ingested data from multiple sources and transformed it for reporting and downstream applications. Conducted workshops to understand requirements; built analysis notebooks in Databricks; wrote SQL queries for complex data; worked with on-prem MS SQL to identify existing business rules; built Power BI dashboards for vertical reporting; implemented source-to-target data mapping and data quality rules; collaborated with business analysts and developers for rule implementation.
Quality Analyst at Freelance and Professional Development
June 1, 2016 - September 1, 2022Validated client solutions outputs through remote quality analysis, providing issue summaries for product improvements. Delivered data validation, reporting, and QA testing for small businesses and personal projects; designed SQL queries to test business rules; pursued online certifications to upskill.
Test Analyst at Tech Mahindra
May 1, 2013 - June 1, 2016Engaged in an integration layer project involving front-end and back-end applications with batch and online processing. Wrote SQL queries for data requirements; scheduled automated tests using TOSCA; completed test execution tasks in offshore-onshore model; performed data trend analysis using Excel; received training to maintain high-quality standards.
Education
Bachelor Information Technology at Jadavpur University
January 11, 2030 - May 21, 2026Bachelor at Jadavpur University
January 11, 2030 - May 21, 2026Bachelor of Information Technology at Jadavpur University
January 11, 2030 - May 21, 2026Data Visualization with Power BI at Great Learning
April 1, 2024 - May 21, 2026Databricks Lakehouse Fundamentals at Databricks
November 1, 2022 - May 21, 2026SQL for Data Analysis with SQL Server at Udemy
October 1, 2022 - May 21, 2026Bachelor of Information Technology at Jadavpur University
January 11, 2030 - May 21, 2026Data Visualization with Power BI at Great Learning
April 1, 2024 - April 1, 2024Databricks Lakehouse Fundamentals at Databricks
November 1, 2022 - November 1, 2022SQL for Data Analysis with SQL Server at Udemy
October 1, 2022 - October 1, 2022Bachelor in Information Technology at Jadavpur University, India
January 11, 2030 - May 21, 2026Qualifications
Data Visualization with Power BI
April 1, 2024 - May 21, 2026Databricks Lakehouse fundamentals
November 1, 2022 - May 21, 2026SQL for Data Analysis with SQL Server
October 1, 2022 - May 21, 2026Data Visualization with Power BI
April 1, 2024 - May 21, 2026Databricks Lakehouse fundamentals
November 1, 2022 - May 21, 2026SQL for Data Analysis with SQL Server
October 1, 2022 - May 21, 2026Data Visualization with Power BI
April 1, 2024 - May 21, 2026Databricks Lakehouse Fundamentals
November 1, 2022 - May 21, 2026SQL for Data Analysis with SQL Server
October 1, 2022 - May 21, 2026TOSCA Automation Framework
January 11, 2030 - May 21, 2026Databricks Lakehouse Fundamentals
November 1, 2022 - November 1, 2022Power BI Data Visualization
April 1, 2024 - April 1, 2024SQL for Data Analysis with SQL Server
January 11, 2030 - May 21, 2026Databricks Lakehouse Fundamentals
January 11, 2030 - May 21, 2026Data Visualization with Power BI
January 11, 2030 - May 21, 2026Industry Experience
Software & Internet, Professional Services, Transportation & Logistics, Government, Media & Entertainment
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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