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Lamana – PySpark, Python, SQL, experts in Lemon.io

Lamana

From Canadaflag

Data Engineer|Senior

Lamana – PySpark, Python, SQL

Lamana is an accomplished Data Engineer with over eight years of experience in the energy, retail, and healthcare sectors. She has led analytics teams focused on cloud migration, reporting, data engineering, and data science. Notably, she reduced data ingestion time from five hours to thirty minutes using an AWS data lake and improved annual margins by LKR 20 million through intelligent demand forecasting workflows.

What sets Lamana apart is her exceptional listening ability and supportive nature, enriching discussions with valuable insights and constructive solutions. She is not just a skilled Data Engineer but also someone who fosters meaningful dialogue, making her an inspiring choice for any team.

7 years of commercial experience in
Adtech
AI
Consulting services
Data analytics
Healthcare
Logistics
Machine learning
Marketing
Pharmaceutics
Project management
Renewable energy
Retail
Supply chain
Telecommunications
Private equity
Main technologies
PySpark
4 years
Python
10 years
SQL
5 years
AWS
2.5 years
Big Data
5 years
Additional skills
Lambda
Data Science
Machine learning
Databricks
AI
Data Modeling
Data visualization
Data analysis
Microsoft Azure
MySQL
Azure DevOps
AWS Lambda
CI/CD
Spacy
Scikit-learn
Direct hire
Possible
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Experience Highlights

Lead Data Engineer
Mar 2024 - Sep 20251 year 5 months
Project Overview

The client is a global pharmaceutical distributor. The Lamana project, in which Lamana was involved, aimed to streamline data from logistics, sales, and operations systems into a unified business layer.

Responsibilities:
  • Built an end-to-end Azure-based ETL and analytics platform;
  • Designed data flow strategy;
  • Implemented bronze-silver-gold data architecture for near-real-time dashboards and forecasting models.
  • Mentored junior engineers, and
  • Automated ingestion and transformation pipelines that reduced data latency by 60%;
  • Improved reporting efficiency across business units.
Project Tech stack:
Azure DevOps
Microsoft Azure
MySQL
PySpark
Azure SQL
Data Modeling
Lead Data Engineer
Dec 2022 - Feb 20241 year 2 months
Project Overview

This project involved a U.S. utility provider aiming to migrate legacy ETL systems to AWS.

Responsibilities:
  • Modernized a large-scale, end-to-end architecture.
  • Mentored engineers on cloud best practices.
  • Improved data reliability and cut ETL runtime by 50%.
  • Developed machine learning models to predict wind turbine faults, enabling proactive maintenance and reducing downtime.
  • Achieved a 20% improvement in fault prediction accuracy and shortened maintenance response time.
  • Created a chatbot prototype to automate knowledge retrieval and enhance decision-making for engineering teams.
Project Tech stack:
AWS
AWS SageMaker
AWS Lambda
Redshift
Data Modeling
Data Science
Technical Lead and Technical Architect
Apr 2022 - Dec 20228 months
Project Overview

The TV streaming service aimed to modernize its data ecosystem by consolidating fragmented customer and network data. The challenge was integrating real-time data from subscriber activity, network logs, and CRM systems for churn prediction, content personalization, and ad optimization, which was successfully accomplished.

Responsibilities:
  • Defined the data mesh blueprint and coordinated across data domain teams;
  • Built distributed data products and domain pipelines in Databricks and AWS, enabling self-serve analytics across marketing, content, and operations;
  • Designed ingestion and transformation layers, ensuring interoperability and governance via centralized metadata and cataloging;
  • Delivered feature pipelines that improved churn prediction accuracy by 18% and reduced data latency by 40%.
Project Tech stack:
Microsoft Azure
Data Modeling
Big Data
Databricks
AWS
Senior Data Engineer
Feb 2020 - Nov 20211 year 9 months
Project Overview

A major retail and FMCG client sought advanced machine learning solutions to improve their sales planning and enhance marketing efficiency across various markets. At the same time, Lamana led a development team to create a marketing budget optimization engine. This engine utilizes predictive models and simulated ROI curves to dynamically reallocate spending across different channels for maximum impact.

Responsibilities:
  • Led a hybrid team of data scientists and engineers, translating business pain points into production-ready ML systems;
  • Developed a short-term demand forecasting tool that combined historical sales, promotions, and external signals (weather, seasonality, holidays);
  • Delivered actionable insights that drove a 10% improvement in ad ROI and ~$55K annual margin gain;
  • Championed AI literacy by training business stakeholders to interpret and apply model outputs in day-to-day decision-making.
Project Tech stack:
Microsoft Azure
Databricks
Machine learning
AI
Python
PySpark
CI
CD
Senior Data Science Consultant
Feb 2018 - Feb 20191 year
Project Overview

An analytics platform powered by AI to assist consumer brands and private equity clients in extracting insights from unstructured online conversations. It analyzes sentiment, identifies emerging topics, and tracks brand perception across millions of posts.

Responsibilities:
  • Led end-to-end development from prototype to production;
  • Built natural language processing (NLP) pipelines;
  • Improved insight turnaround time by 70% and introduced new data products that increased project revenue by 20%;
  • Integrated the analytics into interactive dashboards for consultants to use during client engagements — adding a data-driven layer to brand and market assessments;
  • Collaborated with client teams to embed analytics outputs into strategic recommendations.
Project Tech stack:
Python
Tableau
Microsoft Power BI
MySQL
Spacy
Scikit-learn

Education

2015
Computer Science
Bachelors of Science

Languages

English
Advanced

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