Basil Sattler - Senior Developer / Data Engineer

Q: Where is Basil based?

Basil is based in Frankfurt am Main, Germany .

Q: What languages does Basil speak?

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

Q: 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.

Q: What is Basil's latest experience?

Basil's most recent position is Senior Developer / Data Engineer at Large Energy Company .

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

In recent years, Basil has worked for Large Energy Company , IT Service Provider for Public Institution , Medium-Sized Online Retailer , Large Logistics Corporation , and Large Industrial Conglomerate .

Q: Which industries is Basil most experienced in?

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

Q: Which business areas is Basil most experienced in?

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

Q: Which industries has Basil worked in recently?

Basil has recently worked in industries like Transportation and Logistics , Energy , and Information Technology (IT) .

Q: Which business areas has Basil worked in recently?

Basil has recently worked in business areas like Business Intelligence , Information Technology (IT) , and Product Development .

Recommended expert

Frankfurt am Main, Germany

Experience

Jul 2024 - Apr 2026

1 year 10 months

Senior Developer / Data Engineer

Large Energy Company

Co-founded the Real-Time Data team, which grew to 10 people over time.
Developed and delivered core data products.
Optimized performance of real-time applications 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.
Managed application operations, analysis, testing, and troubleshooting of software solutions.

Mar 2024 - Dec 2025

1 year 10 months

Senior Developer / Data Engineer

IT Service Provider for Public Institution

Overhauled and modernized a legacy Java project to enhance application security and maintainability.
Migrated existing Java processes to Python.
Designed and implemented robust ETL pipelines in Python with MongoDB as the target system.
Containerized applications and migrated runtime environments from virtual machines to OpenShift (Kubernetes).
Advised on and supported the introduction of agile methods and CI/CD.
Supported operations 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

Introduced a Kafka monitoring solution in Splunk for proactive error detection and reduced downtime.
Optimized the setup and configuration of Kafka in Kubernetes and 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

Expertly guided several Kafka projects from design and development to successful production operation.
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 accurately, minimizing disruptions and preventing 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 through immediate detection of machine failures and cost optimization.
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

Successfully migrated reporting and ETL processes from Sagent to the Spectrum Technology Platform by Pitney Bowes.
Conducted testing and created business and technical documentation to ensure quality and adoption.
Collaborated with offshore developers to ensure timely and high-quality delivery of requirements.

Jan 2019 - Dec 2019

1 year

Senior Developer / Data Engineer

Finance, Automotive Bank

Actively contributed as a developer in an agile Scrum team.
Implemented efficient streaming ETL pipelines to integrate SAP systems with Hadoop and Kafka according to requirements.
Conducted comprehensive testing, developed software, and created documentation.

May 2017 - Dec 2018

1 year 8 months

Data Analyst

Finance, Consulting

Conducted global market studies to analyze HR trends, gain insights, and support strategic decisions.
Performed quantitative and qualitative data analysis to identify relevant patterns and relationships.
Validated and visualized data to ensure data quality and present complex information in an easy-to-understand way.

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 Transportation (3.5 years), Banking and Finance (2.5 years), Energy (2 years), Information Technology (2 years), Manufacturing (1.5 years), and Professional Services (1.5 years).

Transportation

Banking and Finance

Energy

Information Technology

Manufacturing

Professional Services

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 Business Intelligence (8 years), Information Technology (7.5 years), Product Development (2 years), Operations (2 years), and Human Resources (1.5 years).

Business Intelligence

Information Technology

Product Development

Operations

Human Resources

Summary

Highly qualified software developer specializing in data engineering. Has 8 years of professional experience. Focused on architecting, developing, and operating complex applications.

Has a special focus on real-time data processing with Apache Kafka.

Skilled in Java and Python, and experienced with databases such as Postgres, Oracle, and MongoDB. Meets technical 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. 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. 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

Profile

Created

February 2026

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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 Company.

What companies has Basil worked for in recent years?

In recent years, Basil has worked for Large Energy Company, IT Service Provider for 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 and Logistics, Banking and Finance, and Energy. Basil also has some experience in Information Technology (IT), Professional Services, and Manufacturing.

Which business areas is Basil most experienced in?

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

Which industries has Basil worked in recently?

Basil has recently worked in industries like Transportation and Logistics, Energy, and Information Technology (IT).

Which business areas has Basil worked in recently?

Basil has recently worked in business areas like Business Intelligence, Information Technology (IT), and Product Development.

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.