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

Check rate

Experience

Oct 2022 - Present

3 years 7 months

Senior Cloud & Backend Engineer

Media-Saturn-Holding GmbH

Implementing applications with Kotlin and Ktor as microservices
Using MongoDB in the MongoDB Atlas cloud
Asynchronous communication of services via Google Pub/Sub
Using Kotest and MockK for unit tests
Developing an administration frontend with TypeScript, React and Express.js
Provisioning environments in GCP using Terraform
Implementing CI/CD processes with GitHub Actions
Operating scalable production and test environments in GCP with Kubernetes, Helm and Flux CD
Monitoring environments with Prometheus and Grafana
Providing BI data in the Google BigQuery data warehouse

Aug 2022 - Present

3 years 9 months

Lead Software Developer

Codeagle GmbH

Implementing the backend with Java and Spring Boot
Developing a Java GraphQL client for the monday.com API
Running the application as a container in AWS ECS
Using Amazon SQS, ELB and CloudFormation
Building the frontend as a Chrome browser extension with TypeScript and React 18
Integrating the extension into Xing and LinkedIn
Writing automated tests with JUnit, Mockito and WireMock
Setting up the CI pipeline with automatic deployment to AWS in GitLab

Oct 2021 - Sep 2022

1 year

Lead Software Developer

Deutsche Telekom IT

Agile approach using Scrum and project management in Jira
Implementing the backend with Kotlin and Spring Boot
Using Amazon SQS
Developing the frontend with TypeScript, Vue.js and the in-house UI framework scale
Writing automated tests with JUnit, Mockito and WireMock
Building the CI pipeline in GitLab
Delivering the application as Docker images
Operating the application in AWS

Nov 2020 - Sep 2021

11 months

Backend Developer

Fiducia & GAD IT (now Atruvia)

Implementing microservices with Java and Spring Boot
Using Oracle Database
Automated REST API tests with Postman
Unit testing with JUnit
Running in OpenShift for production and test environments
Monitoring performance with Dynatrace and Graylog

Jun 2020 - Oct 2020

5 months

Software Developer

Federal Office for Migration and Refugees

Specifying the application using Domain-Driven Design
Implementing with Java, Spring Boot and Axon Framework
Implementing CQRS and event sourcing
Persisting data in Oracle Database
Developing REST interfaces and documenting with Swagger
Developing web interfaces using Angular and TypeScript
Versioning with Git and Bitbucket

Feb 2020 - May 2020

4 months

Software Developer

Freelance

Implementing the backend 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

Die Schwenninger Krankenkasse

Automatic conversion of customer emails into Jira issues
Setting up a Solr search index and connecting it to Jira
Automatic lookup of the sender's address and display of relevant data
Implementing a search form for full-text and field-specific search in Jira
Displaying customer information in the Jira issue
Implementing email templates for automatic replies
Connecting external archiving systems
Development with Java, JavaScript and Vue.js

Mar 2019 - May 2019

3 months

Software Developer / IT Consultant

Scolution GmbH & Co. KG

Automating hosting infrastructure for Atlassian applications
Ansible configuration and inventory files in YAML
Installing and securing Linux servers with Ansible
Running applications with Docker and Docker Compose
Monitoring with Prometheus and Grafana and alerting via OpsGenie
Centralized log collection with Graylog
Implementing 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
Implementing automated process steps with Groovy/Scriptrunner
Training on Groovy/Scriptrunner and maintaining automated processes
Unit tests with Groovy and Spock
Developing Jira plugins with Java and Spring for extensive requirements
Customizing the interface with JavaScript and Vue.js

Mar 2016 - Jun 2017

1 year 4 months

Software Developer

essendi it GmbH

Developing 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
Tests 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)

Development of a web application to maintain maintenance manuals in special machine construction
Backend development in Java EE
REST web services for 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)

Customizing the Magento webshop for time- and quota-based tour booking
Implementing a frontend wizard with real-time quota checking
Generating and sending gift card PDFs upon payment receipt
Displaying 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 bring extensive experience in building modern cloud solutions with Kotlin, Java and Spring Boot, and I have proven my skills in microservice architecture and implementing scalable cloud infrastructures across many projects.

My expertise in cloud technologies (GCP, AWS), continuous integration and deployment (CI/CD), as well as my solid knowledge in frontend and backend development with modern frameworks like React and Vue.js are particularly noteworthy. I last demonstrated my ability to successfully execute 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
Methodological Skills: Analysis And Design, System Specification, System Architecture, Testing, Migration, Bpmn
Architectural 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 Environments: 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, Secrets Manager, Cloudwatch, Sdk, Ecs, Sns, Sqs
Devops/infrastructure: Continuous Integration / Continuous Deployment (Ci/cd), Kubernetes, Docker, Helm, Flux Cd, Terraform, Ansible, Docker Compose, Prometheus, Grafana, Grafana Tempo, Grafana Loki

Languages

German

Native

English

Advanced

Education

Sep 2013 - Apr 2016

Baden-Württemberg Cooperative State University

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 8 y

Avg length 1 y 2 m

Longest experience 3 y 8 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

April 2026

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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 Baden-Württemberg Cooperative State University.

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 will be available full-time from April 2026.

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.