Lasya Marella - Data Engineer

Q: Where is Lasya based?

Lasya is based in Berlin, Germany .

Q: What languages does Lasya speak?

Lasya speaks the following languages: English (Advanced), German (Elementary) .

Q: How many years of experience does Lasya have?

Lasya has at least 5 years of experience. During this time, Lasya has worked in at least 3 different roles and for 2 different companies . The average length of individual experience is 2 years and 8 months . Note that Lasya may not have shared all experience and actually has more experience.

Q: What is Lasya's latest experience?

Lasya's most recent position is Data Engineer at Carelon Global Solutions (Elevance Health) .

Q: What companies has Lasya worked for in recent years?

In recent years, Lasya has worked for Carelon Global Solutions (Elevance Health) .

Q: Which industries is Lasya most experienced in?

Lasya is most experienced in industries like Healthcare and Information Technology .

Q: Which business areas is Lasya most experienced in?

Lasya is most experienced in business areas like Information Technology , Business Intelligence , and Customer Service . Lasya also has some experience in Quality Assurance .

Q: What is Lasya's education?

Lasya holds a Bachelor in Electronics and Communication Engineering from Jawaharlal Nehru Technological University .

Q: Does Lasya have any certificates?

Lasya has 3 certificates . These include: AWS Certified Cloud Practitioner , Power BI , and Python For Data Analysis & Visualization .

Recommended expert

Berlin, Germany

Check rate

Experience

Jul 2022 - May 2024

1 year 11 months

Hyderabad, India

Data Engineer

Carelon Global Solutions (Elevance Health)

Designed and implemented scalable ETL/ELT pipelines using Python, SQL, dbt, AWS and Informatica to ingest data from sources such as APIs, relational databases, and flat files into Snowflake, reducing pipeline runtime by ~30%.
Migrated high-volume datasets from on-premises Teradata to Snowflake using AWS services (S3, Glue, Step Functions, IAM), ensuring data consistency and integrity.
Applied Kimball methodology to design star and snowflake schemas, improving query performance and reducing Snowflake compute costs.
Implemented automated data quality checks using SQL-based dbt tests and the Great Expectations framework to detect anomalies and enforce data correctness before production loads.
Orchestrated ETL workflows in Airflow using Python and managed code deployments via Git with CI/CD best practices to increase deployment reliability and maintain pipeline uptime.
Built interactive Power BI dashboards and curated datasets to enable data-driven decision-making for stakeholders.
Maintained technical documentation in Confluence for ETL workflows, and led knowledge-sharing sessions for new joiners.

Nov 2020 - Jun 2022

1 year 8 months

Hyderabad, India

ETL Developer

Carelon Global Solutions (Elevance Health)

Performed root cause analysis for ETL incidents and data anomalies reported by stakeholders, implementing code fixes that reduced production incidents by ~20%.
Optimized ETL pipelines through logic improvements and code refactoring, reducing processing time by ~35%.
Conducted unit and integration testing for all code changes, ensuring data correctness before promoting updates to production environments.
Managed data pipelines using Airflow and utilized Git-based CI/CD to automate code deployments and maintain version control.
Collaborated with QA and business teams in an Agile environment to deliver technical enhancements during scheduled release cycles.

Aug 2018 - Mar 2020

1 year 8 months

IT Analyst

Teleperformance DIBS

Worked on Google Maps-related products, testing and validating functionality based on user-reported issues.
Investigated customer queries, identified defects or inconsistencies, and documented detailed analysis reports for development teams.
Acted as a bridge between users and developers by translating issues into clear, actionable technical insights.

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Healthcare and Information Technology.

Healthcare

Information Technology

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Business Intelligence, Customer Service, and Quality Assurance.

Information Technology

Business Intelligence

Customer Service

Quality Assurance

Summary

Data Engineer with 4 years of data experience, including 2 years as an ETL Developer. Proficient in building scalable ETL/ELT pipelines using AWS, Snowflake, dbt, and Python for healthcare insurance data. Skilled in supporting large-scale data migrations, applying Kimball modeling, and delivering Power BI dashboards for data-driven decision-making.

Skills

Programming: Sql (Advanced), Python (Pandas, Numpy), Unix Shell Scripting
Databases & Data Warehousing: Snowflake (Snowpipe, Streams, Data Sharing), Teradata, Oracle, Sql Server
Cloud: Aws (S3, Glue, Dms, Step Functions), Gcp (Bigquery)
Etl & Orchestration: Dbt, Apache Airflow, Fivetran, Informatica Powercenter
Devops & Tools: Git, Docker, Ci/Cd Pipelines
Ai & Automation: Claude, Cursor
Data Modeling & Quality: Kimball Modeling, Dbt Tests, Great Expectations
Bi & Visualization: Power Bi (Dax, Power Query)

Languages

English

Advanced

German

Elementary

Education

Jun 2014 - Jun 2018

Jawaharlal Nehru Technological University

BTech. in Electronics and Communication Engineering · Electronics and Communication Engineering · Hyderabad, India

Certifications & licenses

AWS Certified Cloud Practitioner

Power BI

Python For Data Analysis & Visualization

Statistics

Experience

Total positions 3

Experience in Healthcare 3.5 y

Avg length 1 y 8 m

Longest experience 1 y 10 m

Global Experience

Countries worked in 1 (India)

Primary country India

Expertise

Recent roles Data Engineer, ETL Developer, IT Analyst

Main industries Healthcare, Information Technology

Main business areas Information Technology, Business Intelligence, Customer Service

Qualifications

Highest degree Bachelor

Certifications earned 3

Profile

Created

May 2026

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Frequently asked questions

Have questions? Find more information here.

Where is Lasya based?

Lasya is based in Berlin, Germany.

What languages does Lasya speak?

Lasya speaks the following languages: English (Advanced), German (Elementary).

How many years of experience does Lasya have?

Lasya has at least 5 years of experience. During this time, Lasya has worked in at least 3 different roles and for 2 different companies. The average length of individual experience is 2 years and 8 months. Note that Lasya may not have shared all experience and actually has more experience.

What roles would Lasya be best suited for?

Based on recent experience, Lasya would be well-suited for roles such as: Data Engineer, ETL Developer, IT Analyst.

What is Lasya's latest experience?

Lasya's most recent position is Data Engineer at Carelon Global Solutions (Elevance Health).

What companies has Lasya worked for in recent years?

In recent years, Lasya has worked for Carelon Global Solutions (Elevance Health).

Which industries is Lasya most experienced in?

Lasya is most experienced in industries like Healthcare and Information Technology.

Which business areas is Lasya most experienced in?

Lasya is most experienced in business areas like Information Technology, Business Intelligence, and Customer Service. Lasya also has some experience in Quality Assurance.

What is Lasya's education?

Lasya holds a Bachelor in Electronics and Communication Engineering from Jawaharlal Nehru Technological University.

Does Lasya have any certificates?

Lasya has 3 certificates. These include: AWS Certified Cloud Practitioner, Power BI, and Python For Data Analysis & Visualization.

What is the availability of Lasya?

Lasya will be available full-time from May 2026.

What is the rate of Lasya?

Lasya's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.