Rodrigo Herrán
Data Engineer
Experience
Data Engineer and Founder
SapientVase GmbH
- Responsible for company strategy, product development, business development, and operational execution
- Developed a data platform for research in precision medicine for the pharma and biotech industry as part of multi-omics integration
- Used Databricks (Unity Catalog, ETL, ML), ADLS Gen2, Azure Data Factory, Azure DevOps, Python, PySpark, Scala, SQL, R, GX
- Built a Delta Lakehouse with a medallion architecture
- Used MLflow for machine learning
- Created dashboards with PowerBI, Dash, Bootstrap, Matplotlib, Seaborn, Biopython
- Developed an OpenAI interface
Data Engineer (Freelance)
Callista ACE AG
- Developed cloud applications and infrastructure for the client DENNER AG
- Designed and implemented a data quality check and testing strategy for an Azure data Lakehouse with batch and stream processing using a medallion architecture
- Built data pipelines in a lakehouse medallion architecture
- Used Synapse, Data Factory, Azure Functions, Event Hubs, Terraform, C#, and Python
Data Engineer (Freelance)
Confiniti GmbH
- Maintained big data pipelines for ORAYLIS GmbH, Telefónica Deutschland, and VWFS
- Built real-time streaming and batch ETL workflows
- Migrated Oracle Exadata on-premise to a cloud data warehouse
- Developed applications from requirements analysis to production rollout, including support and documentation
- Used Azure Databricks, Spark (Scala, SQL, Python), Synapse, Kafka, PowerBI, Azure DevOps, ADLS Gen2, Spark Structured Streaming
- Created dashboards for workload automation with PowerShell Universal and Microsoft Azure Intune
DevOps & Data Engineer
NTT DATA DACH
- Co-designed, developed, and maintained big data pipelines for Deutsche Börse and BMW
- Developed a platform for C7 SCS (Securities Clearing Services: EUREX SCS Reporting Engine) using Azure Data Factory, Azure Functions, and Databricks
- Built the data platform with Hadoop (HDFS/YARN/Spark), App Services (Scala, Python), Kafka, Java, and AMQP
- Full-stack development of microservices applications to provide remote services for electric vehicles using Java, OpenShift/Kubernetes, and Docker
- Implemented CI/CD pipelines for unit, integration, and load test automation
- Designed, implemented, and documented application and data pipeline architectures
- Handled database design, connectivity, and migration (Oracle, PostgreSQL)
- Managed deployments (test, staging, production), monitoring, and performance tuning of Hadoop environments
- Analyzed business and technical requirements, coached teams, and coordinated team efforts
Web Developer
Schönberger-Group
- Developed ETL pipelines and web interfaces to automate order and delivery processes, inventory checks, payments, shipping, and customer feedback
- Full-stack development of web applications in Java, PHP, and Python
- Performed database administration and troubleshooting
- Tested and designed test protocols
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (8 years), Professional Services (6 years), Retail (2 years), Banking and Finance (2 years), Telecommunication (2 years), and Transportation (1.5 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (11 years), Business Intelligence (8 years), Operations (6 years), Supply Chain Management (1.5 years), Product Development (1 year), and Research and Development (1 year).
Summary
Experienced Data Engineer with a proven track record in designing, developing, and maintaining big data pipelines for real-time streaming and batch ETL workflows.
Skilled in microservices architecture and building software applications with RESTful APIs, with knowledge in full-stack web development, test automation, and data quality assurance.
Proficient in working in agile environments (Scrum, Kanban) and experienced in coordinating onshore and nearshore teams to ensure successful project delivery.
Skills
Integration
- Databricks
- Azure Synapse
- Azure Data Factory
- Azure Functions
- App Services
- Pyspark
- Spark
- Azure Event Hubs
- Azure Iot Hub
- Adls Gen2
- Microsoft Fabric
- Sql
- T-sql
- Plsql
- Ssis
- Ssas
- Spark Structured Streaming
- Apache Kafka
- Kafka Streams
- Kafka Connect
- Ksql
- Data Warehouse Architecture
- Data Lakehouse Architecture
- Hadoop/hdfs
- Hive
Script
- Python (Flask, Pytest, Numpy, Gx, Seaborn, Sklearn, Pandas, Biopython)
- Dash
- Fastapi
- Ml Flow (Python)
- Scala
- R
- Perl
- Powershell
Ci/cd And Devops
- Azure Devops
- Iac - Terraform
- Openshift
- Jenkins
- Kubernetes/aks
- Microservices Architecture
- Payara
- Docker
- Ansible
- Apache Nifi
- Apache Airflow
- Java
- .Net C#
- Git
- Maven
- Gradle
- Elasticsearch
- Kibana
- Gatling
- Flyway
Monitoring
- Azure Monitor
- Prometheus
- Grafana
- Nagios
- Elasticsearch
- Kibana
Web Design
- Javascript
- Jquery
- Angular
- D3.js
- Bootstrap
- Swagger
- Restful
Databases
- Oracle
- Ms Sql Server
- Postgresql
- Mysql
- Nosql
- Cosmosdb
- Mongodb
Languages
Education
Hamburg University of Technology
Master of Science · Information Technology · Hamburg, Germany
University of Guadalajara
Bachelor of Science · Computer Science · Guadalajara, Mexico
Certifications & licenses
DP-203 Certified Azure Data Engineer Associate
Confluent Certified Developer for Apache Kafka (CCDAK)
Managerial Economics and Business Analysis (Online Specialization)
University of Illinois at Urbana-Champaign
Profile
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