Robin Sadlo - Senior Cloud & Backend Engineer

Q: Where is Robin based?

Robin is based in Stuttgart, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Robin speak?

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

Q: How many years of experience does Robin have?

Robin has at least 11 years of experience. During this time, Robin has worked in at least 6 different roles and for 12 different companies . The average length of individual experience is 1 year and 11 months . Note that Robin may not have shared all experience and actually has more experience.

Q: What is Robin's latest experience?

Robin's most recent position is Senior Cloud & Backend Engineer at Media-Saturn-Holding GmbH .

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

In recent years, Robin has worked for Media-Saturn-Holding GmbH , Codeagle GmbH , Deutsche Telekom IT , and Fiducia & GAD IT (now Atruvia) .

Q: Which industries is Robin most experienced in?

Robin is most experienced in industries like Information Technology , Retail , and Manufacturing . Robin also has some experience in Telecommunication , Banking and Finance , and Professional Services .

Q: Which business areas is Robin most experienced in?

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

Q: Which industries has Robin worked in recently?

Robin has recently worked in industries like Information Technology , Retail , and Telecommunication .

Q: Which business areas has Robin worked in recently?

Robin has recently worked in business areas like Information Technology , Product Development , and Business Intelligence .

Recommended expert

Stuttgart, Germany

Experience

Oct 2022 - Present

3 years 6 months

Senior Cloud & Backend Engineer

Media-Saturn-Holding GmbH

Implemented applications with Kotlin and Ktor as microservices
Used MongoDB in MongoDB Atlas cloud
Asynchronous communication between services using Google Pub/Sub
Used Kotest and Mockk for unit tests
Developed an administration frontend with TypeScript, React, and Express.js
Provisioned environments in GCP using Terraform
Implemented CI/CD processes with GitHub Actions
Operated scalable production and testing environments in GCP with Kubernetes, Helm, and Flux CD
Monitored environments with Prometheus and Grafana
Provided BI data in Google BigQuery data warehouse

Aug 2022 - Present

3 years 8 months

Lead Software Developer

Codeagle GmbH

Implemented the backend with Java and Spring Boot
Developed a Java GraphQL client for the monday.com API
Deployed the application as a container in AWS ECS
Used Amazon SQS, ELB, and CloudFormation
Built the frontend as a Chrome browser plugin with TypeScript and React 18
Integrated the plugin into Xing and LinkedIn
Automated tests with JUnit, Mockito, and Wiremock
Set up the CI pipeline with automated AWS deployments in GitLab

Oct 2021 - Sep 2022

1 year

Lead Software Developer

Deutsche Telekom IT

Followed agile methods with Scrum and managed the project in Jira
Implemented the backend with Kotlin and Spring Boot
Used Amazon SQS
Developed the frontend with TypeScript, Vue.js, and the internal UI framework 'scale'
Automated tests with JUnit, Mockito, and Wiremock
Set up the CI pipeline in GitLab
Delivered the application as Docker images
Operated the application in AWS

Nov 2020 - Sep 2021

11 months

Backend Developer

Fiducia & GAD IT (now Atruvia)

Implemented microservices with Java and Spring Boot
Used Oracle Database
Automated REST API tests with Postman
Unit tests with JUnit
Operated in OpenShift for production and testing environments
Monitored performance with Dynatrace and Graylog

Jun 2020 - Oct 2020

5 months

Software Developer

Bundesamt für Migration und Flüchtlinge

Specified the application using Domain-Driven Design
Implemented with Java, Spring Boot, and Axon Framework
Applied CQRS and Event Sourcing
Persisted data in Oracle Database
Built REST interfaces and documented them with Swagger
Developed web UIs with Angular and TypeScript
Version control with Git and Bitbucket

Feb 2020 - May 2020

4 months

Software Developer

Freelance

Backend implementation with Kotlin and Spring Boot as microservices
Service discovery and gateways with Eureka, Zuul, Hystrix and Ribbon
Message broker with RabbitMQ and Spring AMQP
Persistence in Neo4j
Web interfaces with Vue.js
Deployment with Docker and Docker Compose

Jun 2019 - Jan 2020

8 months

Software Developer / Atlassian Consultant

Schwenninger Health Insurance

Automatic conversion of customer emails into Jira issues
Solr search index setup and integration with Jira
Automatic lookup of sender address and display of relevant data
Search mask implementation for full-text and field-specific search in Jira
Display of customer information in Jira issues
Email template implementation for automatic replies
External archiving system integration
Development with Java, JavaScript, and Vue.js

Mar 2019 - May 2019

3 months

Software Developer / IT Consultant

Scolution GmbH & Co. KG

Hosting infrastructure automation for Atlassian applications
Ansible configuration and YAML inventory files
Linux server installation and hardening with Ansible
Application operation with Docker and Docker Compose
Monitoring with Prometheus and Grafana and alerting through OpsGenie
Centralized log collection with Graylog
Implementation of scripts and backup mechanisms with Python

May 2018 - Jan 2019

9 months

Software Developer / Atlassian Consultant

Various Project Partners

Analysis, modeling, and automation of business processes in Jira using BPMN
Implementation of automated process steps with Groovy/Scriptrunner
Training on Groovy/Scriptrunner and maintenance of automated processes
Unit testing with Groovy and Spock
Jira plugin development with Java and Spring for complex requirements
UI adjustments with JavaScript and Vue.js

Mar 2016 - Jun 2017

1 year 4 months

Software Developer

essendi it GmbH

Development of an application for issuing and managing digital certificates
Modular architecture with OSGi and Apache Karaf
Backend implementation with Java and OSGi services
REST API with Jackrabbit Content Repository
Frontend with JSF and PrimeFaces
Process control with Camunda BPMN Engine
Certificate processing with BouncyCastle
Testing with JUnit and Selenium
Advising the product owner on security and PKI

Jun 2014 - Feb 2016

1 year 9 months

Software Developer

Optima packaging Group (essendi it GmbH)

Developed a web application for managing maintenance manuals in custom machine manufacturing
Backend development in Java EE
REST web services for a GWT frontend
Persistence with MySQL and Hibernate
Database schema management with Liquibase

Oct 2013 - May 2014

8 months

Software Developer

Hohenlohe aktiv Tours (essendi it GmbH)

Adapted the Magento webshop for time- and quota-based tour booking
Implemented a frontend wizard with real-time quota checking
Created and sent gift card PDFs upon payment receipt
Displayed participant lists for operators

Industry Experience

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

Experienced in Information Technology, Retail, Manufacturing, Telecommunication, Banking and Finance, and Government and Administration.

Information Technology

Retail

Manufacturing

Telecommunication

Banking and Finance

Government and Administration

Business Area Experience

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

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

Information Technology

Product Development

Business Intelligence

Project Management

Quality Assurance

Summary

I have extensive experience in developing modern cloud solutions with Kotlin, Java, and Spring Boot, and I have proven my skills in microservices architecture and implementing scalable cloud infrastructures in numerous projects.

In particular, I have strong expertise in cloud technologies (GCP, AWS), continuous integration and deployment (CI/CD), as well as solid knowledge in frontend and backend development with modern frameworks like React and Vue.js. I recently demonstrated my ability to successfully carry complex projects from concept to delivery at Media-Saturn-Holding GmbH.

Skills

Industry Experience: Retail / E-commerce, Banking, It Services, Manufacturing, Transportation & Logistics, Insurance, Special-purpose Machinery, Telecommunications
Methodical Skills: Analysis And Design, System Specification, System Architecture, Testing, Migration, Bpmn
Architecture Styles: Microservices, Monolith, Soa, Event-driven, Hexagonal Architecture
Design Patterns: Singleton, Mvc, Decorator, Dependency Injection, Abstract/factory Method, Redux, Observer, Pub/sub, Cqrs
Programming Languages: Kotlin, Java, Javaee, Javascript, Typescript, Python, Groovy
Frontend Frameworks: Vue.js, React, Angular, Jsf, Primevue, Bootstrap
Backend Frameworks: Spring, Spring Boot, Ktor, Osgi, Hibernate, Axon, Camunda
Project Management: Scrum, Agile Software Development, Kanban, Waterfall Model, Jira, Confluence, Safe
Testing: Kotest, Mockk, Junit, Mockito, Wiremock, Testcontainers, Selenium
Development Paradigms: Object-oriented Programming, Functional Programming
Interfaces: Rest, Graphql, Soap, Grpc
Development Environment: Intellij, Webstorm, Visual Studio Code
Operating Systems: Linux, Windows
Databases: Mysql, Postgresql, Mongodb, Neo4j, Mariadb, Redis, Oracle Database
Web Technologies: Html, Css, Json, Ajax, Xml, Sass/less
Development Tools: Git, Github, Gitlab, Gitlab (Ci), Bitbucket, Bamboo, Svn, Jenkins
Cloud (Gcp): Kubernetes Engine, Pub/sub, Bigquery, Google Cloud Storage, Google Cloud Logging
Cloud (Aws): Ec2, S3, Fargate, Iam, Elb, Rds, Cloudformation, Route 53, Certificate Manager, Secret Manager, Cloudwatch, Sdk, Ecs, Sns, Sqs
Devops/infrastructure: Continuous Integration/continuous Deployment (Ci/cd), Kubernetes, Docker, Helm, Fluxcd, Terraform, Ansible, Docker Compose, Prometheus, Grafana, Grafana Tempo, Grafana Loki

Languages

German

Native

English

Advanced

Education

Sep 2013 - Apr 2016

Duale Hochschule Baden-Württemberg

Bachelor of Science · Business Informatics – Software Engineering · Germany

Certifications & licenses

AWS Certified Cloud Practitioner (CLF-C01)

ACP 300 – Agile Development with Jira Software

ACP 600 – Project Administration in Jira Server

Statistics

Experience

Total positions 12

Experience in Information Technology 7.5 y

Avg length 1 y 2 m

Longest experience 3 y 7 m

Expertise

Recent roles Senior Cloud & Backend Engineer, Lead Software Developer, Backend Developer

Main industries Information Technology, Retail, Manufacturing

Main business areas Information Technology, Product Development, Business Intelligence

Qualifications

Highest degree Bachelor

Certifications earned 3

Profile

Created

August 2025

Last Update

August 2025

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Frequently asked questions

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

Where is Robin based?

Robin is based in Stuttgart, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Robin speak?

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

How many years of experience does Robin have?

Robin has at least 11 years of experience. During this time, Robin has worked in at least 6 different roles and for 12 different companies. The average length of individual experience is 1 year and 11 months. Note that Robin may not have shared all experience and actually has more experience.

What roles would Robin be best suited for?

Based on recent experience, Robin would be well-suited for roles such as: Senior Cloud & Backend Engineer, Lead Software Developer, Backend Developer.

What is Robin's latest experience?

Robin's most recent position is Senior Cloud & Backend Engineer at Media-Saturn-Holding GmbH.

What companies has Robin worked for in recent years?

In recent years, Robin has worked for Media-Saturn-Holding GmbH, Codeagle GmbH, Deutsche Telekom IT, and Fiducia & GAD IT (now Atruvia).

Which industries is Robin most experienced in?

Robin is most experienced in industries like Information Technology, Retail, and Manufacturing. Robin also has some experience in Telecommunication, Banking and Finance, and Professional Services.

Which business areas is Robin most experienced in?

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

Which industries has Robin worked in recently?

Robin has recently worked in industries like Information Technology, Retail, and Telecommunication.

Which business areas has Robin worked in recently?

Robin has recently worked in business areas like Information Technology, Product Development, and Business Intelligence.

What is Robin's education?

Robin holds a Bachelor in Business Informatics – Software Engineering from Duale Hochschule Baden-Württemberg.

Does Robin have any certificates?

Robin has 3 certificates. These include: AWS Certified Cloud Practitioner (CLF-C01), ACP 300 – Agile Development with Jira Software, and ACP 600 – Project Administration in Jira Server.

What is the availability of Robin?

Robin is immediately available full-time for suitable projects.

What is the rate of Robin?

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