Senior Data & BI Engineer with 6+ years building ETL pipelines, dashboards, and analytics solutions using Python, SQL, Spark, Airflow, Tableau and AWS
Aktualisiert am 17.03.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 23.03.2026
Verfügbar zu: 100%
davon vor Ort: 100%
Python
SQL
Tableau
Apache Spark
Apache Airflow
dbt
AWS
ETL Pipeline Design
Power BI
QlikSense
Data Modeling
PostgreSQL
Amazon Redshift
Docker
Kubernetes
Kafka
Scikit-learn
LangChain
GA4
A/B Testing
GitLab CI/CD
MongoDB
Hadoop
English
C2
German
B1

Einsatzorte

Einsatzorte

Munich (+300km)
Deutschland, Schweiz
möglich

Projekte

Projekte

1 month
2025-09 - 2025-09

Smart Article Summariser using RAG and NLP

ML & Data Engineer Python LangChain Hugging Face ...
ML & Data Engineer
Built a scalable article summarisation system using Retrieval-Augmented Generation with Hugging Face Transformers. Automated web content extraction from Common Crawl and ArXiv datasets using BeautifulSoup. Deployed as a Flask web service on AWS and optimised summary quality using ROUGE metrics.
Python LangChain Hugging Face RAG Flask AWS BeautifulSoup NLP Flask web application automated content extraction system RAG summarisation pipeline
Personal Project
Remote
1 month
2025-07 - 2025-07

Cloud Data Pipeline (Personal Project)

Data Engineer Apache Airflow AWS Glue AWS Athena ...
Data Engineer
Designed and deployed a fault-tolerant data pipeline ingesting Reddit data at scale. Built Apache Airflow workflows for orchestration, used AWS Glue and Athena for cataloging and querying, and loaded transformed data into Amazon Redshift for analytics and reporting.
Apache Airflow AWS Glue AWS Athena Amazon Redshift Python SQL End-to-end cloud data pipeline Redshift data warehouse automated ingestion workflows
Personal Project
Remote
7 months
2024-11 - 2025-05

AI-Driven Customer Analytics Platform

Senior BI & AI Engineer Python SQL GPT-4 ...
Senior BI & AI Engineer
Built an AI-driven analytics platform using GPT-4 to process 50,000+ monthly customer interactions. Developed automated pipelines converting unstructured customer feedback into structured product insights. Designed dashboards tracking churn, retention, funnel drop-offs, and buyer behavior for product and leadership teams.
Python SQL GPT-4 LangChain Tableau QlikSense dbt Data Modeling AI analytics platform real-time Tableau dashboards self-service reporting assets churn and retention models
moveXM GmbH
Munich, Germany (hybrid)
3 months
2024-05 - 2024-07

NLP Pipeline for Automated Content Intelligence

Analytics Engineer Python Apache Spark NLP ...
Analytics Engineer
Built and maintained end-to-end NLP pipelines on 500,000+ unstructured Q&A texts. Applied Named Entity Recognition and Topic Modeling for automated content tagging and market competitive analysis. Processed terabytes of data using Apache Spark, improving query speed by 50%. Delivered structured outputs feeding directly into downstream analytics and business reporting layers.
Python Apache Spark NLP Named Entity Recognition Topic Modeling SQL Tableau ETL Pipeline Design NLP classification pipeline automated content tagging system competitive market analysis reports Tableau dashboards
Infineon Technologies AG
Munich, Germany (hybrid)
4 months
2024-01 - 2024-04

Cross-Functional KPI Alignment and Data Literacy Programme

Internal Data Consultant Requirements Analysis KPI Design Stakeholder Management ...
Internal Data Consultant
Worked directly with stakeholders across marketing, sales, community, and leadership teams to gather requirements, define KPI frameworks, and align on metric definitions before any reporting solution was built. Translated ambiguous business questions into structured data models and dashboard specifications. Delivered internal training to 50+ colleagues across SQL, ETL workflows, and BI tools, improving data literacy and self-service capability across the organisation. Acted as the bridge between technical data teams and non-technical business functions throughout the project lifecycle.
Requirements Analysis KPI Design Stakeholder Management SQL Tableau Data Modeling Training & Enablement Business Communication KPI framework documentation internal training programme self-service dashboard assets standardised metric definitions requirements specifications
Infineon Technologies AG
Munich, Germany ( Remote)
5 months
2023-08 - 2023-12

MQL Funnel & Sales Conversion Analytics

Analytics Engineer Apache Spark SQL Python ...
Analytics Engineer
Conducted large-scale MQL funnel analysis using Apache Spark on terabytes of Parquet and CSV data. Improved query speed by 50% through pipeline and model optimisation. Defined and tracked KPIs across marketing and sales functions in close collaboration with business stakeholders. Delivered Tableau dashboards serving 200+ daily users.
Apache Spark SQL Python Tableau KPI Design Data Modeling Stakeholder Management Funnel analytics pipeline KPI framework sales conversion reports Tableau dashboards
Infineon Technologies AG
Munich, Germany (hybrid)
7 months
2021-09 - 2022-03

Enterprise Data Pipeline & Automation

Data & BI Engineer Python Apache Airflow SQL ...
Data & BI Engineer
Built an automated pipeline processing with over monthly 50M+ unstructured financial records from AWS, on-premises databases, and SharePoint. Reduced processing time from one week to 15 minutes through Apache Airflow orchestration. Ensured data consistency across CRM, billing, ERP, and OMS systems through reconciliation and quality checks.
Python Apache Airflow SQL AWS S3 Kafka Talend Data Quality Testing Automated ETL pipeline data reconciliation framework workflow scheduling system
Amdocs / AT&T
Pune, India (on-site)

Aus- und Weiterbildung

Aus- und Weiterbildung

2 years 7 months
2022-03 - 2024-09

Artificial Intelligence and Data Science

Master of Science, Technische Hochschule Deggendorf (Germany) & University of South Bohemia (Czechia)
Master of Science
Technische Hochschule Deggendorf (Germany) & University of South Bohemia (Czechia)

4 years
2013-06 - 2017-05

Electronics & Telecommunications

Bachelors in Engineering, Army Institute of Technology, Pune University (India)
Bachelors in Engineering
Army Institute of Technology, Pune University (India)

Position

Position

Senior Data and BI Engineer working across the full analytics stack, from designing and building ETL pipelines and data architectures to delivering dashboards, KPI frameworks, and self-service reporting solutions. Domain experience spans automotive, SaaS, and telecom, working closely with business stakeholders across product, finance, marketing, and operations teams.

Kompetenzen

Kompetenzen

Top-Skills

Python SQL Tableau Apache Spark Apache Airflow dbt AWS ETL Pipeline Design Power BI QlikSense Data Modeling PostgreSQL Amazon Redshift Docker Kubernetes Kafka Scikit-learn LangChain GA4 A/B Testing GitLab CI/CD MongoDB Hadoop

Produkte / Standards / Erfahrungen / Methoden

Profil
Senior Analytics and BI Engineer with over 6 years of experience translating complex data into actionable business insights across enterprise environments. Skilled in SQL, Python, Tableau, Power BI, QlikSense and dbt, with hands-on experience in data modeling, KPI frameworks, funnel analysis and executive dashboard design. Experienced in working closely with business stakeholders to gather requirements, define metrics and deliver end-to-end analytics solutions, from data pipeline to final report. Familiar with AI-driven analytics and product analytics workflows including retention, churn and behavioral analysis.

Skills
  • Analytics
    • Tableau
    • QlikSense
    • Product Analytics
    • GA4
    • A/B Testing
  • Data Engineering
    • ETL Pipeline Design
    • Data Architecture
    • Data Quality Testing
  • Big Data Technologies
    • dbt
    • Apache Spark
    • Hadoop
    • Apache Airflow
    • Kafka
  • Cloud Technologies
    • AWS (S3, Glue, Redshift, Athena, EC2, Lambda, EKS)
  • AI/ML
    • LangChain
    • OpenAI
    • Advanced Analytics
    • Scikit-learn 
  • DevOps Tools
    • Git
    • GitLab CI/CD
    • Jenkins
    • Unit Testing
    • Docker
    • Kubernetes
  • Project Management
    • Jira
    • Confluence
    • Agile

WORK EXPERIENCE
11/2024 - 05/2025
moveXM GmbH, Munich (Germany)
Senior Business Intelligence Engineer
  • Developed and enhanced the Analytics Module as an analytical partner to product and leadership teams, integrating AI-driven insights and interactive dashboards to monitor buyer journeys, customer satisfaction, and sentiment across 50,000+ monthly interactions. 
  • Designed real-time Tableau dashboards (SQL/Python) tracking churn, retention, funnel drop-offs, and behavioral patterns to enable data-driven product and business decisions. 
  • Built self-service analytics assets (dashboards, reusable data models, and standardized metrics) that enabled stakeholders to access and interpret buyer and customer experience data independently.

02/2023 - 10/2024
Infineon Technologies AG, Munich (Germany)
Analytics Engineer 
  • Built and maintained scalable ETL pipelines in Python, KNIME, and Denodo, unifying audit data from MySQL, GA4, REST APIs, and third-party platforms; optimized dimensional data models (Star/Snowflake schemas) for accuracy and scalability. 
  • Automated data ingestion and transformation workflows using KNIME and workflow schedulers, reducing manual processing time by 40+ hours per month and improving pipeline uptime to 99%. 
  • Developed NLP pipelines using Named Entity Recognition and Topic Modeling on 500k+ Q&A texts for automated content tagging and market competitive analysis. 
  • Conducted MQL funnel analysis and statistical analysis using Apache Spark on terabytes of data, improving query speed by 50% and accelerating delivery of sales conversion insights. 
  • Defined and tracked KPIs across community, marketing, and sales functions, collaborating closely with business stakeholders to gather requirements and translate them into reporting solutions using Tableau. 
  • Delivered internal training for 50+ colleagues on SQL, ETL flows, and BI tools, improving data literacy across cross-functional teams.

03/2018 - 05/2022
Amdocs, Pune (India)
Data & Business Intelligence Analyst
  • Developed a system for AT&T finance to analyze and transform 50M+ unstructured records from AWS, on-prem databases using Python & SQL. Utilised Apache Airflow for workflow automation,cutting processing time from 1 week to 15 minutes. 
  • Collaborated with cross?functional teams (finance, operations, IT) to ensure data quality and consistent KPI definitions across billing, CRM, ERP and OMS systems. 
  • Designed Power BI dashboards and scorecards tracking SLA performance and ticket resolution KPIs, built using complex SQL transformation rules and shared with key business stakeholders.

Programmiersprachen

  • Python
    • Pandas
    • NumPy
    • PyTorch
  • SQL 
  • JavaScript

Datenbanken

  • PostgreSQL
  • MySQL
  • MongoDB
  • Amazon Redshift
  • Cassandra

Branchen

Branchen

Yes, automotive (Infineon Technologies, semiconductor and developer ecosystem analytics), telecommunications (Amdocs, AT&T billing and CRM data at enterprise scale), and SaaS (moveXM, product analytics and customer experience data). Cross-industry experience in working with finance, operations, marketing, and product teams on data-driven decision making.

Einsatzorte

Einsatzorte

Munich (+300km)
Deutschland, Schweiz
möglich

Projekte

Projekte

1 month
2025-09 - 2025-09

Smart Article Summariser using RAG and NLP

ML & Data Engineer Python LangChain Hugging Face ...
ML & Data Engineer
Built a scalable article summarisation system using Retrieval-Augmented Generation with Hugging Face Transformers. Automated web content extraction from Common Crawl and ArXiv datasets using BeautifulSoup. Deployed as a Flask web service on AWS and optimised summary quality using ROUGE metrics.
Python LangChain Hugging Face RAG Flask AWS BeautifulSoup NLP Flask web application automated content extraction system RAG summarisation pipeline
Personal Project
Remote
1 month
2025-07 - 2025-07

Cloud Data Pipeline (Personal Project)

Data Engineer Apache Airflow AWS Glue AWS Athena ...
Data Engineer
Designed and deployed a fault-tolerant data pipeline ingesting Reddit data at scale. Built Apache Airflow workflows for orchestration, used AWS Glue and Athena for cataloging and querying, and loaded transformed data into Amazon Redshift for analytics and reporting.
Apache Airflow AWS Glue AWS Athena Amazon Redshift Python SQL End-to-end cloud data pipeline Redshift data warehouse automated ingestion workflows
Personal Project
Remote
7 months
2024-11 - 2025-05

AI-Driven Customer Analytics Platform

Senior BI & AI Engineer Python SQL GPT-4 ...
Senior BI & AI Engineer
Built an AI-driven analytics platform using GPT-4 to process 50,000+ monthly customer interactions. Developed automated pipelines converting unstructured customer feedback into structured product insights. Designed dashboards tracking churn, retention, funnel drop-offs, and buyer behavior for product and leadership teams.
Python SQL GPT-4 LangChain Tableau QlikSense dbt Data Modeling AI analytics platform real-time Tableau dashboards self-service reporting assets churn and retention models
moveXM GmbH
Munich, Germany (hybrid)
3 months
2024-05 - 2024-07

NLP Pipeline for Automated Content Intelligence

Analytics Engineer Python Apache Spark NLP ...
Analytics Engineer
Built and maintained end-to-end NLP pipelines on 500,000+ unstructured Q&A texts. Applied Named Entity Recognition and Topic Modeling for automated content tagging and market competitive analysis. Processed terabytes of data using Apache Spark, improving query speed by 50%. Delivered structured outputs feeding directly into downstream analytics and business reporting layers.
Python Apache Spark NLP Named Entity Recognition Topic Modeling SQL Tableau ETL Pipeline Design NLP classification pipeline automated content tagging system competitive market analysis reports Tableau dashboards
Infineon Technologies AG
Munich, Germany (hybrid)
4 months
2024-01 - 2024-04

Cross-Functional KPI Alignment and Data Literacy Programme

Internal Data Consultant Requirements Analysis KPI Design Stakeholder Management ...
Internal Data Consultant
Worked directly with stakeholders across marketing, sales, community, and leadership teams to gather requirements, define KPI frameworks, and align on metric definitions before any reporting solution was built. Translated ambiguous business questions into structured data models and dashboard specifications. Delivered internal training to 50+ colleagues across SQL, ETL workflows, and BI tools, improving data literacy and self-service capability across the organisation. Acted as the bridge between technical data teams and non-technical business functions throughout the project lifecycle.
Requirements Analysis KPI Design Stakeholder Management SQL Tableau Data Modeling Training & Enablement Business Communication KPI framework documentation internal training programme self-service dashboard assets standardised metric definitions requirements specifications
Infineon Technologies AG
Munich, Germany ( Remote)
5 months
2023-08 - 2023-12

MQL Funnel & Sales Conversion Analytics

Analytics Engineer Apache Spark SQL Python ...
Analytics Engineer
Conducted large-scale MQL funnel analysis using Apache Spark on terabytes of Parquet and CSV data. Improved query speed by 50% through pipeline and model optimisation. Defined and tracked KPIs across marketing and sales functions in close collaboration with business stakeholders. Delivered Tableau dashboards serving 200+ daily users.
Apache Spark SQL Python Tableau KPI Design Data Modeling Stakeholder Management Funnel analytics pipeline KPI framework sales conversion reports Tableau dashboards
Infineon Technologies AG
Munich, Germany (hybrid)
7 months
2021-09 - 2022-03

Enterprise Data Pipeline & Automation

Data & BI Engineer Python Apache Airflow SQL ...
Data & BI Engineer
Built an automated pipeline processing with over monthly 50M+ unstructured financial records from AWS, on-premises databases, and SharePoint. Reduced processing time from one week to 15 minutes through Apache Airflow orchestration. Ensured data consistency across CRM, billing, ERP, and OMS systems through reconciliation and quality checks.
Python Apache Airflow SQL AWS S3 Kafka Talend Data Quality Testing Automated ETL pipeline data reconciliation framework workflow scheduling system
Amdocs / AT&T
Pune, India (on-site)

Aus- und Weiterbildung

Aus- und Weiterbildung

2 years 7 months
2022-03 - 2024-09

Artificial Intelligence and Data Science

Master of Science, Technische Hochschule Deggendorf (Germany) & University of South Bohemia (Czechia)
Master of Science
Technische Hochschule Deggendorf (Germany) & University of South Bohemia (Czechia)

4 years
2013-06 - 2017-05

Electronics & Telecommunications

Bachelors in Engineering, Army Institute of Technology, Pune University (India)
Bachelors in Engineering
Army Institute of Technology, Pune University (India)

Position

Position

Senior Data and BI Engineer working across the full analytics stack, from designing and building ETL pipelines and data architectures to delivering dashboards, KPI frameworks, and self-service reporting solutions. Domain experience spans automotive, SaaS, and telecom, working closely with business stakeholders across product, finance, marketing, and operations teams.

Kompetenzen

Kompetenzen

Top-Skills

Python SQL Tableau Apache Spark Apache Airflow dbt AWS ETL Pipeline Design Power BI QlikSense Data Modeling PostgreSQL Amazon Redshift Docker Kubernetes Kafka Scikit-learn LangChain GA4 A/B Testing GitLab CI/CD MongoDB Hadoop

Produkte / Standards / Erfahrungen / Methoden

Profil
Senior Analytics and BI Engineer with over 6 years of experience translating complex data into actionable business insights across enterprise environments. Skilled in SQL, Python, Tableau, Power BI, QlikSense and dbt, with hands-on experience in data modeling, KPI frameworks, funnel analysis and executive dashboard design. Experienced in working closely with business stakeholders to gather requirements, define metrics and deliver end-to-end analytics solutions, from data pipeline to final report. Familiar with AI-driven analytics and product analytics workflows including retention, churn and behavioral analysis.

Skills
  • Analytics
    • Tableau
    • QlikSense
    • Product Analytics
    • GA4
    • A/B Testing
  • Data Engineering
    • ETL Pipeline Design
    • Data Architecture
    • Data Quality Testing
  • Big Data Technologies
    • dbt
    • Apache Spark
    • Hadoop
    • Apache Airflow
    • Kafka
  • Cloud Technologies
    • AWS (S3, Glue, Redshift, Athena, EC2, Lambda, EKS)
  • AI/ML
    • LangChain
    • OpenAI
    • Advanced Analytics
    • Scikit-learn 
  • DevOps Tools
    • Git
    • GitLab CI/CD
    • Jenkins
    • Unit Testing
    • Docker
    • Kubernetes
  • Project Management
    • Jira
    • Confluence
    • Agile

WORK EXPERIENCE
11/2024 - 05/2025
moveXM GmbH, Munich (Germany)
Senior Business Intelligence Engineer
  • Developed and enhanced the Analytics Module as an analytical partner to product and leadership teams, integrating AI-driven insights and interactive dashboards to monitor buyer journeys, customer satisfaction, and sentiment across 50,000+ monthly interactions. 
  • Designed real-time Tableau dashboards (SQL/Python) tracking churn, retention, funnel drop-offs, and behavioral patterns to enable data-driven product and business decisions. 
  • Built self-service analytics assets (dashboards, reusable data models, and standardized metrics) that enabled stakeholders to access and interpret buyer and customer experience data independently.

02/2023 - 10/2024
Infineon Technologies AG, Munich (Germany)
Analytics Engineer 
  • Built and maintained scalable ETL pipelines in Python, KNIME, and Denodo, unifying audit data from MySQL, GA4, REST APIs, and third-party platforms; optimized dimensional data models (Star/Snowflake schemas) for accuracy and scalability. 
  • Automated data ingestion and transformation workflows using KNIME and workflow schedulers, reducing manual processing time by 40+ hours per month and improving pipeline uptime to 99%. 
  • Developed NLP pipelines using Named Entity Recognition and Topic Modeling on 500k+ Q&A texts for automated content tagging and market competitive analysis. 
  • Conducted MQL funnel analysis and statistical analysis using Apache Spark on terabytes of data, improving query speed by 50% and accelerating delivery of sales conversion insights. 
  • Defined and tracked KPIs across community, marketing, and sales functions, collaborating closely with business stakeholders to gather requirements and translate them into reporting solutions using Tableau. 
  • Delivered internal training for 50+ colleagues on SQL, ETL flows, and BI tools, improving data literacy across cross-functional teams.

03/2018 - 05/2022
Amdocs, Pune (India)
Data & Business Intelligence Analyst
  • Developed a system for AT&T finance to analyze and transform 50M+ unstructured records from AWS, on-prem databases using Python & SQL. Utilised Apache Airflow for workflow automation,cutting processing time from 1 week to 15 minutes. 
  • Collaborated with cross?functional teams (finance, operations, IT) to ensure data quality and consistent KPI definitions across billing, CRM, ERP and OMS systems. 
  • Designed Power BI dashboards and scorecards tracking SLA performance and ticket resolution KPIs, built using complex SQL transformation rules and shared with key business stakeholders.

Programmiersprachen

  • Python
    • Pandas
    • NumPy
    • PyTorch
  • SQL 
  • JavaScript

Datenbanken

  • PostgreSQL
  • MySQL
  • MongoDB
  • Amazon Redshift
  • Cassandra

Branchen

Branchen

Yes, automotive (Infineon Technologies, semiconductor and developer ecosystem analytics), telecommunications (Amdocs, AT&T billing and CRM data at enterprise scale), and SaaS (moveXM, product analytics and customer experience data). Cross-industry experience in working with finance, operations, marketing, and product teams on data-driven decision making.

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