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Basil (M.sc.) Sattler - Senior Developer / Data Engineer

Basil Sattler
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Frankfurt am Main, Germany

Experience

Jul 2024 - Apr 2026
1 year 10 months

Senior Developer / Data Engineer

Large energy-sector company

Expertise details
Position Summary
Senior Developer / Data Engineer at Large energy-sector company
Industries
Energy
Business Areas
Business Intelligence
Information Technology
Product Development
  • Co-founded the Real-Time Data team, which grew to 10 members over time.
  • Developed and delivered core data products.
  • Optimized real-time application performance and implemented monitoring, alerting and logging solutions to ensure system stability.
  • Created and maintained deployment pipelines.
  • Collaborated with teammates, architects and experts in an agile Scrum environment.
  • Operated applications, analyzed, tested and troubleshot software solutions.
Mar 2024 - Dec 2025
1 year 10 months

Senior Developer / Data Engineer

IT service provider for a public institution

Expertise details
Position Summary
Senior Developer / Data Engineer at IT service provider for a public institution
Industries
Information Technology
Business Areas
Business Intelligence
Information Technology
Operations
  • Revamped and modernized a legacy Java project to improve the application's security and maintainability.
  • Migrated existing Java processes to Python.
  • Designed and implemented robust ETL pipelines in Python with MongoDB as the target system.
  • Containerized the applications and migrated the runtime environment from virtual machines to OpenShift (Kubernetes).
  • Advised and supported the introduction of agile methods and CI/CD.
  • Supported the operation and data ingestion for a RapidMiner and Knime project to introduce and develop AI applications.
Aug 2023 - Dec 2023
5 months

Senior Developer / Data Engineer

Medium-sized online retailer

Expertise details
Position Summary
Senior Developer / Data Engineer at Medium-sized online retailer
Industries
Retail
Business Areas
Information Technology
  • Introduced a Kafka monitoring solution in Splunk for proactive error detection and reduced downtime.
  • Optimized Kafka setup and configuration in Kubernetes as well as application architecture to ensure optimal performance, scalability and reliability.
  • Provided professional operational support to optimize costs and maximize the overall performance of the data infrastructure.
Jul 2021 - Dec 2024
3 years 6 months

Senior Developer / Data Engineer

Large logistics corporation

Expertise details
Position Summary
Senior Developer / Data Engineer at Large logistics corporation
Industries
Transportation
Business Areas
Business Intelligence
Information Technology
  • Expertly led multiple Kafka projects from design through development to successful production deployment.
  • Trained project colleagues to ensure knowledge transfer and project success.
  • Developed a Java backend for a monitoring application that allows dispatchers to track production processes precisely to minimize disruptions and prevent complaints.
  • Built and operated the ELK stack (Elasticsearch, Logstash, Kibana) for log aggregation, analysis and visualization.
  • Delivered real-time data for route planning to enable last-minute changes.
  • Designed and implemented microservices based on Java and Kafka Streams for real-time processing of machine data.
  • Maximized operational performance by detecting machine failures immediately and optimizing costs.
  • Integrated external databases (PostgreSQL, Oracle) with Apache Kafka, reliably delivering real-time data to consumers.
Jan 2020 - Jun 2021
1 year 6 months

Developer / Data Engineer

Large industrial conglomerate

Expertise details
Position Summary
Developer / Data Engineer at Large industrial conglomerate
Industries
Manufacturing
Business Areas
Business Intelligence
Information Technology
  • Successfully migrated reporting and ETL processes from Sagent to Pitney Bowes' Spectrum Technology Platform.
  • Conducted tests and created business and technical documentation to ensure quality and adoption.
  • Collaborated with offshore developers to meet requirements on time and maintain quality.
Jan 2019 - Dec 2019
1 year

Senior Developer / Data Engineer

Financial Services, Auto Bank

Expertise details
Position Summary
Senior Developer / Data Engineer at Financial Services, Auto Bank
Industries
Automotive
Banking and Finance
Business Areas
Information Technology
  • Actively worked as a developer in an agile Scrum team.
  • Implemented efficient streaming ETL pipelines to integrate SAP systems with Hadoop and Kafka according to requirements.
  • Performed comprehensive testing, software development, and created documentation.
May 2017 - Dec 2018
1 year 8 months

Data Analyst

Financial Services, Consulting

Expertise details
Position Summary
Data Analyst at Financial Services, Consulting
Industries
Banking and Finance
Professional Services
Business Areas
Business Intelligence
Human Resources
  • Conducted global market research to analyze HR trends, gain insights, and support strategic decisions.
  • Conducted quantitative and qualitative data analysis to identify relevant patterns and relationships.
  • Validated and visualized data to ensure data quality and make complex information easy to understand.

Industry Experience

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

Experienced in Transportation, Banking and Finance, Information Technology, Energy, Manufacturing, and Professional Services.

Transportation
Banking and Finance
Information Technology
Energy
Manufacturing
Professional Services
Profile match chart

Business Area Experience

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

Experienced in Business Intelligence, Information Technology, Operations, Product Development, and Human Resources.

Business Intelligence
Information Technology
Operations
Product Development
Human Resources
Profile match chart

Summary

Highly skilled software developer focusing on data engineering. Has 8 years of professional experience. Works on the architecture, development and operation of complex applications.

A special focus is on real-time data processing with Apache Kafka technology.

Proficient in Java and Python programming languages, as well as working with databases like Postgres, Oracle and MongoDB. Meets business requirements through precise and reliable implementation.

Skills

  • Programming Languages: Java, Python, Sql, Bash, R
  • Databases: Postgres, Oracle, Mongodb, Mysql, Db2
  • Software: Apache Kafka, Elasticsearch, Metabase, Microsoft Excel, Rapidminer, Knime, Tableau, Ibm Spss
  • Infrastructure, Cloud & Monitoring: Kubernetes, Docker, Aws, Azure, Grafana, Prometheus
  • Operating Systems: Linux (Ubuntu, Redhat), Windows, Macos
  • Ci/cd And Version Control: Git, Argo Cd, Jenkins, Azure Devops, Gitlab, Subversion
  • Data Formats: Avro, Json, Csv, Protobuf, Xml, Parquet

Languages

German
Native
English
Advanced

Education

Sep 2017 - Apr 2020

University of Mannheim

M. Sc. in Data Science · Data Science · Mannheim, Germany · 2.2

Sep 2015 - Feb 2016

Autonomous University of Barcelona

Barcelona, Spain

Oct 2014 - Jul 2017

Justus Liebig University Giessen

B. Sc. in Psychology · Psychology · Giessen, Germany · 1.2

...and 1 more

Certifications & licenses

Certified Data Engineer

AWS

Certified Kubernetes Application Developer (CKAD)

Linux Foundation

Certified Administrator for Apache Kafka (CCAAK)

Confluent

Certified Developer for Apache Kafka (CCDAK)

Confluent

Statistics

Experience

Total positions 7
Experience in Transportation 3.5 y
Avg length 1 y 7 m
Longest experience 3 y 5 m

Expertise

Recent roles Senior Developer / Data Engineer, Developer / Data Engineer, Data Analyst
Main industries Transportation, Banking and Finance, Information Technology
Main business areas Business Intelligence, Information Technology, Operations

Qualifications

Highest degree Master
Certifications earned 4

Profile

Created
Last Update
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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Basil based?

Basil is based in Frankfurt am Main, Germany.

What languages does Basil speak?

Basil speaks the following languages: German (Native), English (Advanced).

How many years of experience does Basil have?

Basil has at least 9 years of experience. During this time, Basil has worked in at least 3 different roles and for 7 different companies. The average length of individual experience is 1 year and 3 months. Note that Basil may not have shared all experience and actually has more experience.

What roles would Basil be best suited for?

Based on recent experience, Basil would be well-suited for roles such as: Senior Developer / Data Engineer, Developer / Data Engineer, Data Analyst.

What is Basil's latest experience?

Basil's most recent position is Senior Developer / Data Engineer at Large energy-sector company.

What companies has Basil worked for in recent years?

In recent years, Basil has worked for Large energy-sector company, IT service provider for a public institution, Medium-sized online retailer, Large logistics corporation, and Large industrial conglomerate.

Which industries is Basil most experienced in?

Basil is most experienced in industries like Transportation, Banking and Finance, and Information Technology. Basil also has some experience in Energy, Professional Services, and Manufacturing.

Which business areas is Basil most experienced in?

Basil is most experienced in business areas like Business Intelligence, Information Technology, and Operations. Basil also has some experience in Product Development and Human Resources.

Which industries has Basil worked in recently?

Basil has recently worked in industries like Transportation, Information Technology, and Energy.

Which business areas has Basil worked in recently?

Basil has recently worked in business areas like Business Intelligence, Information Technology, and Operations.

What is Basil's education?

Basil holds a Master in Data Science from University of Mannheim and a Bachelor in Psychology from Justus Liebig University Giessen.

Does Basil have any certificates?

Basil has 4 certificates. Among them, these include: Certified Data Engineer, Certified Kubernetes Application Developer (CKAD), and Certified Administrator for Apache Kafka (CCAAK).

What is the availability of Basil?

Basil will be available full-time from April 2026.

What is the rate of Basil?

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

How to hire Basil?

To hire Basil, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1200
900
600
300
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Market avg: 968-1128 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

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