Sebastián Katzer - Smart Charging

Q: Where is Sebastián based?

Sebastián is based in Leipzig, Germany .

Q: What languages does Sebastián speak?

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

Q: How many years of experience does Sebastián have?

Sebastián has at least 17 years of experience. During this time, Sebastián has worked in at least 14 different roles and for 10 different companies . The average length of individual experience is 1 year and 3 months . Note that Sebastián may not have shared all experience and actually has more experience.

Q: What is Sebastián's latest experience?

Sebastián's most recent position is Smart Charging at Mercedes-Benz, MBTI .

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

In recent years, Sebastián has worked for Mercedes-Benz, MBTI and Testo SE .

Q: Which industries is Sebastián most experienced in?

Sebastián is most experienced in industries like Automotive , Education , and Information Technology . Sebastián also has some experience in Government and Administration , Retail , and Banking and Finance .

Q: Which business areas is Sebastián most experienced in?

Sebastián is most experienced in business areas like Information Technology , Product Development , and Business Intelligence . Sebastián also has some experience in Quality Assurance and Research and Development .

Q: Which industries has Sebastián worked in recently?

Sebastián has recently worked in industries like Automotive and Information Technology .

Q: Which business areas has Sebastián worked in recently?

Sebastián has recently worked in business areas like Information Technology , Product Development , and Quality Assurance .

Recommended expert

Leipzig, Germany

Experience

Jun 2024 - Present

1 year 10 months

Smart Charging

Mercedes-Benz, MBTI

Agile software development in an interdisciplinary environment
Cross-team collaboration to achieve important milestones
Independently developing new and improving existing features
Estimation, refinement, implementation, and presentation
Finding solution ideas, analyzing problems, rolling out bug fixes
Writing automated tests, manual testing, log and error analysis
Ensuring high availability, fault tolerance, and scalability of the production environment
Rolling out releases and multi-stage infrastructure
Setting up alerts and monitoring
Pair programming, code reviews, documentation
On-call duty, 3rd level support
Event-Driven Architecture, Clean Code, Hexagonal Architecture
Microservices based on Go (Gin), Java 21 (Spring Boot 3), Python (FastAPI)
Terraform/OpenTofu, KQL, SQL, JSON, REST, Helm, ArgoCD, AzureCLI, K9s, OAuth2
Postgres, Redis, Kafka, Azure EventHub, Kubernetes, nginx, Ingress
AppInsights, LogAnalytics, OpenTelemetry, Datadog, OpenAPI 3, Swagger
Azure DataExplorer, Storage, KeyVault, Container Registry, Azure Functions,…
Junit5/Jupiter, testify, RestAssured, Docker Compose, Wiremock
IntelliJ, Scrum, Kanban, Teams, Confluence, OpsGenie, Arc42
GitHub CI/CD, GitLab CI/CD, Azure DevOps
EV charging protocols (EVSE, OCPP, V1G, V2G)

Apr 2022 - Sep 2023

1 year 6 months

ROAD-Kit Enhancement

Mercedes-Benz, MBTI

Agile software development in an interdisciplinary setting with multiple teams working closely together and supporting each other
Independently developing new and improving existing features
Finding solution ideas, presenting them to the team, piloting, and implementing
Analyzing errors; writing automated E2E and UI tests; manual testing
Participating in workshops, handling tickets, analyzing bug reports
Community support: being available to in-car app developers for advice, explaining new features, and responding to their requests and needs
Redesigning the CLI architecture; porting all features to the new vehicle generation; optimizing existing functions
Sole responsibility for developing the VSCode-based IDE with full design ownership
Further development of ADKs based on Yocto and QEMU
Building new releases
Pair programming
Go, Typescript, QML/C++, Kotlin, Jetpack Compose, React, Rust, Shell
GitHub, GitLab, Bitbucket, Azure DevOps, Azure Cloud, Kubernetes
Miro, Teams, Rocket.Chat, Figma, MS Office, Jira, Confluence
IntelliJ, VSCode Extension API, Podman, QEMU, Yocto, Packer, VNC, Qt
OAWSP, DevSecOps, Codebashing, Immersive Labs, Threat Modeling
Scrum, Kanban

Mar 2021 - Mar 2022

1 year 1 month

Saveris Restaurant Enhancement

Testo SE

Finding solution approaches and implementing them in the legacy system while it's running worldwide; extending the data model and migrating existing data
Parallel extraction of parts of the legacy system into standalone services and their deployment; redevelopment using modern technologies and domain-driven design
3rd level support, fixing (and finding) bugs and incidents
Technical and functional onboarding of new team members
Supporting manual tests; writing automated software tests; attending SCRUM meetings
Java 8/11/17, Java EE Stack, Spring Boot Stack, Axon, Apache Camel, Hibernate, DeltaSpike, Tomcat, Weld CDI, Junit Jupiter, Spock, Gherkin, Cucumber
CQRS, Event Sourcing
Amazon AWS Stack (Beanstalk, CloudWatch, Container Registry, EC2, SNS/SQS, LaunchDarkly, Lambda, saml2aws, etc.), CloudFormation, Terraform
Docker, Gradle, IntelliJ, MySQL
Jenkins, SonarQube, GitLab, GitLab CI, Serenity
Jira, Confluence, Miro, Slack, Teams, Whiteboard
OWASP
Scrum, Kanban

Sep 2019 - Feb 2021

1 year 6 months

Occupational German Language Training Enhancement

BAMF

Extending on-site controls for planning and creating checklists, rule-based data analysis to suggest sanctions, complex reporting, and interactive data and metric visualization
Redesigning course management for both course providers to create and manage courses and internal administrators to process data; implementing complex validations
Writing automated tests, data migration, providing API and client
Java, Spring Boot, Typescript, Angular, Cucumber/Gherkin, JSON, REST API
Oracle, PL/SQL, Swagger, Jenkins, Maven, Git, Rancher, Kubernetes, OpenAPI 3
Axon, Event Sourcing, CQRS, Scrum, Jira, Confluence, GitLab

Mar 2019 - Jul 2019

5 months

infinitec SaaS Platform Enhancement

infinitec GmbH

Developing an engine for transaction classification
Bidirectional integration of external partners (e.g., banks) to import and manage customer data
Java, Groovy, PostgreSQL, Vavr, JSON, REST API, Swagger (OpenAPI 2)
Spring, Docker, Grafana, Spock, TestRail, Git, Gradle
Scrum, Jira, Confluence

Jan 2019 - Apr 2019

4 months

Further development of blugento datahub

St. Benno Mediengroup

Development of the integration components and data pipelines to or between Akeneo and Magento
Java, Groovy, HSQLDB
Spring, Camel, Akeneo, Magento, Spock, Git, Gradle

Nov 2016 - Mar 2019

2 years 5 months

Development of ORBIT - monitoring of production processes

BMW AG

Communication with the client
Responsible for architecture and implementation
Integration into the existing IT landscape
C, Go, mruby, Ruby, JS, Sencha
Git, Scrum, Jira, Docker, SSH, SSL, HTTP, Sockets

Sep 2016 - Mar 2017

7 months

Development of CFK+ for real-time production visualization

BMW AG

Communication with the client, business units, and IT
Responsible for architecture and implementation
Integration into the existing IT landscape
Java, JavaFx, Hibernate, PL/SQL
Git, Gradle, Oracle, LDAP, Jira

Aug 2015 - Dec 2015

5 months

Further development of the Wimdu online portal

Wimdu GmbH

Design and development of private APIs for mobile clients
Design and development of public APIs for the affiliate program
Interface development to integrate external data sources
Ruby, JavaScript, OAuth 2, MySQL
Rails, Elastic Search, Jira, Git, Scrum

Mar 2015 - Dec 2018

3 years 10 months

Development of production and management reports

BMW AG

Communication with the client and business units
Design and development of reports
Development of a KPI engine for real-time calculations
Integration into the existing IT landscape
Java, JavaScript, Oracle, PL/SQL
Eclipse BIRT

May 2014 - Feb 2015

10 months

Development of the fleetboard.app for truck drivers

Daimler Fleetboard

Design and implementation of various main components, including dashboard, time management, messenger, calendar and profile
Integration of local and push notifications
Java, Android
Git, Maven, protobuf, Robolectric
Jira, Confluence, Scrum

Mar 2014 - Aug 2014

6 months

Further development of an online platform for office supplies

papersmart GmbH

Design and implementation of new payment processes
Integration of new payment systems
Database and infrastructure migration
Execution of load and performance tests
Ruby, JavaScript, HTML, CSS, PostgreSQL
Rails, PayOne, ActiveMerchant
Git, Scrum

Jan 2012 - Dec 2014

3 years

Development of the mobile alerting solution maintcall

BMW AG

Responsible for architecture, implementation and deployment
Coordination of interface specifications
Development of the backend and the push service
Development of mobile clients for Android, iOS and Windows Phone
Development of the administration interface as a web application
Development of the Visio plug-in for modeling escalation flows
Java, Ruby, JavaScript, Objective-C, C#, Visual Basic, Oracle
Rails, ExtJS, Android, iOS, .NET, Visio, BEA, Git
Scrum, Jira

Jan 2008 - Dec 2011

4 years

Tool for collaborative development of software models

University of Leipzig

Design of the system architecture
Development of the backend and push services
Development of the web application and the modeling editor
Conceptual analysis, development and implementation of algorithms for conflict resolution strategies
Ruby, JavaScript, MySQL
Rails, ExtJS, InfoViz
SVN, Redmine

Industry Experience

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

Experienced in Automotive, Education, Information Technology, Government and Administration, Banking and Finance, and Media and Entertainment.

Automotive

Education

Information Technology

Government and Administration

Banking and Finance

Media and Entertainment

Business Area Experience

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

Experienced in Information Technology, Product Development, Business Intelligence, Quality Assurance, and Research and Development.

Information Technology

Product Development

Business Intelligence

Quality Assurance

Research and Development

Languages

English

Advanced

German

Elementary

Education

University of Leipzig

Master of Science · Computer Science · Leipzig, Germany

Statistics

Experience

Total positions 14

Experience in Automotive 10.5 y

Avg length 1 y 6 m

Longest experience 3 y 11 m

Expertise

Recent roles Smart Charging, ROAD-Kit Enhancement, Saveris Restaurant Enhancement

Main industries Automotive, Education, Information Technology

Main business areas Information Technology, Product Development, Business Intelligence

Qualifications

Highest degree Master

Profile

Created

November 2023

Last Update

November 2025

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Frequently asked questions

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

Where is Sebastián based?

Sebastián is based in Leipzig, Germany.

What languages does Sebastián speak?

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

How many years of experience does Sebastián have?

Sebastián has at least 17 years of experience. During this time, Sebastián has worked in at least 14 different roles and for 10 different companies. The average length of individual experience is 1 year and 3 months. Note that Sebastián may not have shared all experience and actually has more experience.

What roles would Sebastián be best suited for?

Based on recent experience, Sebastián would be well-suited for roles such as: Smart Charging, ROAD-Kit Enhancement, Saveris Restaurant Enhancement.

What is Sebastián's latest experience?

Sebastián's most recent position is Smart Charging at Mercedes-Benz, MBTI.

What companies has Sebastián worked for in recent years?

In recent years, Sebastián has worked for Mercedes-Benz, MBTI and Testo SE.

Which industries is Sebastián most experienced in?

Sebastián is most experienced in industries like Automotive, Education, and Information Technology. Sebastián also has some experience in Government and Administration, Retail, and Banking and Finance.

Which business areas is Sebastián most experienced in?

Sebastián is most experienced in business areas like Information Technology, Product Development, and Business Intelligence. Sebastián also has some experience in Quality Assurance and Research and Development.

Which industries has Sebastián worked in recently?

Sebastián has recently worked in industries like Automotive and Information Technology.

Which business areas has Sebastián worked in recently?

Sebastián has recently worked in business areas like Information Technology, Product Development, and Quality Assurance.

What is Sebastián's education?

Sebastián holds a Master in Computer Science from University of Leipzig.

What is the availability of Sebastián?

Sebastián is immediately available for suitable projects.

What is the rate of Sebastián?

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