Himanshu Thappa
Verified Expert in Engineering
Data Strategist and Developer
Helsinki, Finland
Toptal member since March 24, 2025
Himanshu is a goal-oriented data and cloud advisor with over 17 years of experience in data engineering, analytics, and artificial intelligence. He excels in crafting enterprise data solutions in the energy, telecom, fintech, and public sectors. Himanshu has spearheaded the development of a customer data platform (CDP) on Azure Databricks and Oracle Analytics Cloud, and he has strong database and reporting skills.
Portfolio
Experience
- PL/SQL Developer - 16 years
- Data Warehousing - 16 years
- Oracle - 15 years
- Data Migration - 15 years
- Data Architecture - 13 years
- ELT - 13 years
- Data Strategy - 7 years
- Azure Databricks - 5 years
Preferred Environment
Python, Azure Databricks, Data Warehousing, Data Architecture, PostgreSQL
The most amazing...
...work I've done is a business intelligence and reporting solution for Finland POLISSI. I contributed to time-series-oriented data solutions using Data Vault.
Work Experience
Data Strategist & Architect
Fortum
- Developed a data model for various energy business functions, including customer, revenue, and sales data models in the Databricks gold layer.
- Performed PySpark and SQL-based notebooks for data validations, referential integrity, and Index creations for performance tuning.
- Established a QA framework for data quality and validation for business-critical flows and analytical models in the CDP platform.
- Enhanced the data quality of multidimensional data models in the Databricks platform based on semantic and syntactic data.
- Built automation testing practices for data quality using pytest and Azure DevOps pipelines.
- Built PostgreSQL objects for time-series data actively.
- Adapted quickly to new tools and technologies, bringing value to customers by offering strategies and approaches for building continuous solutions on the data platform.
- Used a modern cloud platform based on Azure Data Factory and Databricks architecture for transformation and loading into the gold layer for analytical purposes.
Data Architect
Sofigate
- Delivered AI-enabled data assets for Finnish national security on Oracle Cloud, integrating various public sector applications.
- Designed a data strategy for handling batch and streaming data for transactional applications. Defined data models, estimations, database objects, and solution approaches using data vault concepts.
- Developed a testing framework for analytical reports built on Power BI apps.
- Executed various roles encompassing database design, data mart designs, and the development of master data management solutions to manage codes and static/hierarchical data effectively.
Senior Data Engineer
Capgemini Finland
- Spearheaded a data analytics solution for POLISSI with timely increment deliveries and sprint demos.
- Demonstrated a reporting solution on the data vault concept to handle customer KPIs like case handling time, active case distribution across the Finland region, and predictive analysis of case types.
- Designed and developed an end-to-end data warehouse solution for an operational system with zero downtime for data migration from batch to streaming pipelines.
- Headed program increment ceremonies, customer relationship management (CRM) sprint planning, and product backlog while collaborating with customers and team leadership.
Solution Consultant
Mastercard
- Formulated a solution roadmap for modernizing service applications and reporting solutions.
- Developed analytical solutions based on CRM data integration and Microsoft BI products.
- Contributed to reports development for business metrics, improving cardholder retention and card services.
- Participated in pre-sales, software demos, and multivendor management.
Tech Lead
Accenture
- Oversaw a team of ETL experts in delivering and designing transformation solutions based on multiple legacy applications for Vodafone UK.
- Increased call center agents' productivity in improving customer handling and order management processes using bulk order workflow development in CRM for prepaid and postpaid customers.
- Proposed and designed solutions for data syncs across telecom BSS stack apps during new telco product launches.
- Developed a custom solution for a seamless preactivation experience for customers. Improved customer retention using the churn solution.
- Led the delivery of essential reporting to telecom tower leads at Vodafone UK, leveraging leadership expertise.
Experience
ETL Pipeline Automation
Consumer Solution Data Platform
http://Fortum.comSIM Cards Pre-activation
Education
Bachelor's Degree in Computer Science
University of Jammu - Jammu, India
Certifications
Databricks Machine Learning Fundamentals
Databricks
Microsoft Certified Professional
Microsoft
Certified Scrum Product Owner
Scrum.org
Oracle Database Vault
Oracle
Skills
Libraries/APIs
Node.js, Pandas, React, PostgREST, Matplotlib, NumPy, Azure API Management, PySpark
Tools
Microsoft Power BI, Microsoft Excel, Git, n8n, Zapier, Looker, BigQuery, Power BI Desktop, Azure OpenAI Service, Postman, Confluence, Jira, Tableau
Languages
Python, SQL, JavaScript, Snowflake, Go, Jira Query Language (JQL), YAML, XML, Excel VBA
Paradigms
Business Intelligence (BI), Automation, ETL, Database Development, Requirements Analysis, Dimensional Modeling, Load Testing, Database Design
Platforms
Oracle, Oracle Data Integrator (ODI), Microsoft Power Automate, Azure SQL Data Warehouse, Azure, Databricks, SharePoint, Airbyte, Amazon Web Services (AWS), Oracle Integration Cloud (OIC), Oracle Analytics Cloud (OAC), Zephyr Scale, Azure Service Fabric
Storage
PostgreSQL, PL/SQL Developer, Data Pipelines, Databases, Database Replication, Data Validation, Database Management, MySQL, Cloud Environments, Database Modeling, Database Architecture, Oracle PL/SQL, Azure SQL, NoSQL, Oracle DBA, Redshift, Master Data Management (MDM), Microsoft SQL Server, RDBMS, PL/SQL, Database Performance, Azure SQL Databases, SQL Server Management Studio (SSMS)
Industry Expertise
Telecommunications
Frameworks
Spark, Scaled Agile Framework (SAFe)
Other
Data Warehousing, Data Strategy, ELT, Data Migration, Data Architecture, Enterprise Data Warehouse (EDW), Data Modeling, Data Vault 2.0, ETL Tools, Data Analytics, API Testing, Data Engineering, Database Optimization, Relational Database Design, API Integration, APIs, Back-end, Website Data Scraping, CTO, Dashboards, Large Language Models (LLMs), Data Labeling, Jira Administration, Jira Service Management, Data Vaults, Star Schema, Data Analysis, Data Visualization, Data Governance, ETL Development, Business Requirements, Data Orchestration, Data Management, Operations & Business Support Systems (OSS/BSS), Solution Architecture, Architecture, Board Reporting, Customer Data, Integration, DataOps, Excel Modeling, Financial Modeling, Azure Databricks, Azure Data Factory (ADF), Data Transformation, Fintech, Blockchain & Cryptocurrency, Artificial Intelligence (AI), Full-stack Development, Data Execution, Groovy Scripting, Case Management, Oracle HCM Cloud, Google BigQuery, Data Build Tool (dbt), Statistical Analysis, Software Architecture, Agentic AI, SAP, AI Agents, Cloud, AI Pipeline, Data Security, Enterprise Resource Planning (ERP), ERP Implementation, Analytics, Product Analytics, Technical Leadership, App Integration, Financial Data, Cloud Architecture, RDMS, Big Data, Data Quality, Performance Testing, Forecasting, Testing Strategy, Change Data Capture, Stakeholder Management, Telecom Business Support Systems (BSS), Requirements & Specifications, Shell Scripting, Application Management Services (AMS), Order Management, Data Mapping, Certified Scrum Product Owner (CSPO), Machine Learning, Complex Problem Solving, System Architecture, Project Services Management, Stakeholder Engagement, Business Technology, Digital Transformation, Jira Administrator, Business Analysis
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