Osman Tartoussi-Senior Developer and Consultant

Check rate
Experience
Senior Architect, DevOps Engineer
genPsoft GmbH
IT consulting, analysis, architecture design, new and further development, code review, test automation, continuous integration, continuous delivery in backend and frontend areas for Automotive Project Instavalo.
Frontend:
- Implementation of UI components according to specifications, especially style guides and responsive design eith React and Typescript
- Component testing
- Code documentation
- CI/CD with Gitlab Pipeline
Backend / IoT:
- Analysis and architectural design with AWS Greengrass IoT on Edge Devices
- Setting up Microservices containers with Docker Compose on Edge device with AWS Greengrass and AWS IoT IAM, Token Exchange Service, Ansible
- CI/CD with Gitlab Pipeline, Terraform, AWS ECR
- Logging with Fluentbit Lua Language for AWS Cloudwatch
- Python Lambda for AWS Greengrass Recipe deployment on Edge Devices
- Implementation of test-driven development with JUnit, Mockito, and code Coverage
- Jacoco
- Definition of REST interfaces with OpenAPI / Swagger
- Development and enhancement of software based on Java Quarkus, Typescript NestJs NodeJs and Python
- Authentication and authorization in Aws IAM
- Development of REST and gRPC interfaces for the frontend and backend
- Implementation of Maven dependencies with DevSecOps OWASP
- Spring AI, Jetbrains AI Assistant, Junie, Github Copilot, Claude Code, Agents, Skills, Command, Hooks, Subagents
Senior Developer and Consultant
Bundesamt für Informatik und Telekommunikation BIT
IT consulting, analysis, architecture design, new and further development, code review, test automation, continuous integration and continuous delivery in backend and frontend areas.
Technology stack:
JAVA 21
Spring Boot 3
Spring Framework 6
Spring Rest
Spring Data
JPA
Postgres
Aurora Database
Typescript
OWASP
Renovatebot
Sonarqube
Prometheus
Grafana
Spring Security
Single SignOn
Keycloak
Angular 19
NgRx Redux
AWS ECS
AWS Cloudwatch
Terraform
Spacelift
GitOps
Docker
Junit
Maven
Jenkins Pipeline
GitHub
BitBucket
Nexus
Kafka
Conduktor
Kafdrop
OpenApi
Swagger
Scrum
SAFe
Jira
Confluence
Lead Developer
Informationstechnikzentrum Bund ITZBund
IT consulting, analysis, architecture design, new and further development, code review, test automation, continuous integration and continuous delivery in backend and frontend areas.
Technology stack:
JAVA 17
Spring Boot 3
Spring Framework 6
Spring Rest
Apache CXF Soap
Spring Data
JPA
Spring Batch
Apache Camel
Spring Thymeleaf
Jboss
EJB
CDI
Oracle Database
HTML5
Bootstrap
CSS3
Typescript
Javascript
Spring Web Flow
OWASP
Renovatebot
Sonarqube
Sonarlint
Spring Security
Single SignOn
Openshift
Docker
Junit
Gatlin
Selenium
Maven
Jenkins Pipeline
Gitlab
BitBucket
Artifaktory
ActiveMQ
IBM MQ
OpenApi
Swagger
Scrum
SAFe
Jira
Confluence
arc42
Fullstack DevOps Software Developer and Consultant
Generali Deutschland AG
IT consulting, analysis, architecture design, new and further development, code review, test automation, continuous integration and continuous delivery in backend and frontend areas of our web services products Kfz EVB (electronic insurance confirmation), UMD (accident reporting service), Telematics Mobility and car onboarding system for cooperation partners.
Technology stack:
JAVA 17
Spring Boot 3
Spring Framework 6
Spring Rest
Apache CXF Soap
Spring Data
JPA
Spring Batch
Apache Camel
Spring Thymeleaf
HTML5
Bootstrap
CSS3
Typescript
Javascript
Spring Web Flow
OWASP
Renovatebot
Sonarqube
Sonarlint
Spring Security
Single SignOn
Openshift
Terraform
Kubernetes
AWS
Docker
Junit
Gatlin
Selenium
Maven
Jenkins Pipeline
Gitlab
BitBucket
Artifaktory
Angular
NgRx Redux
ActiveMQ
IBM MQ
OpenApi
Swagger
Scrum
SAFe
Jira
Confluence
arc42
Fullstack Software Developer and DevOps Engineer
OTTO GmbH & Co.
Further development, IT consulting, analysis, architecture design, code review, test automation, CI/CD and DevOps in the backend and frontend of the aftersales site otto.de.
Technology stack:
JAVA
Spring Boot
Spring Rest
Spring Data
Spring Thymeleaf
HTML5
Spring Security
Spring Reactive
Typescript
Python
Kotlin
Atlas MongoDB
AWS EC2, ECS, Fargate
Cloudformation
CDK
SQS
SNS
AWS VPC
AWS Cloudwatch
Junit
JGiven
Maven
Gradle
Jenkins Pipeline
GitHub Action Pipeline
Docker
Docker-compose
OWASP
Renovatebot
Sonarqube
Sonarlint
Kanban
Jira
Confluence
arc42
Backend Software Developer and DevOps Engineer
DB Vertrieb GmbH
Further development, IT consulting, analysis, architecture design, code review, test automation, CI/CD and DevOps in the backend and frontend for the Reisebegleitung project (Vendo RBL).
Technology stack:
JAVA
Spring Boot
Spring Rest
Spring Data
Spring Security
JPA
Flyway
JMS
Junit
Typescript
Javascript
Bootstrap
CSS3
Angular
NgRx Redux
HTML5
JGiven
Cucumber
ArchUnit
Gatlin
Jenkins Pipeline
ActiveMQ
Kafka
Maven
PostgreSQL
Docker
Docker-compose
Kubernetes
Istio
Helm Charts
AWS EKS
CI/CD
Git, Gitlab, Gitlab Pipeline
OWASP
Renovatebot
Sonarqube
Sonarlint
Keycloak
OpenID Connect
Single SignOn
Grafana
Prometheus
OpenApi
Swagger
Nexus
Scrum
SAFe
Jira
Confluence
UML
PlantUML
arc42
DocToolchain
Documentation as Code
Backend Software Architect/Developer and DevOps Engineer
Landesamt für Geoinformation und Landentwicklung
Development of a new backend web application/REST API and introduction of test and Gitlab servers in Docker containers on-premise.
Technology stack:
JAVA 8
Spring Boot
Spring Rest
Nexus
Artifactory
Spring Data
Spring Security
JPA
Flyway
Junit
Jenkins Pipeline
Maven
CI/CD
Git, Gitlab
PostgreSQL
Docker, Docker-compose
Keycloak
OpenID Connect
Single SignOn
Camunda
OpenCMIS
Nuxeo DMS
Swagger-UI/OpenApi
Typescript
Javascript
Angular
IndexedDB
Bootstrap
CSS3
HTML5
Scrum
Jira
Confluence
Full Stack Developer
Deutsche Automobil Treuhand
Maintenance and further development of the product “Calculate Italia” for car dealers, car workshops and car experts for the Italian market.
Technology stack:
JAVA 8
Servlet
JAX-WS
JAX-RS
JPA
Junit
JQuery, JQuery UI
HTML5
Angular
Jasper Reports
Oracle
Jenkins
Jetty
Git
Ant
Maven
Waterfall
Scrum
Jira
Confluence
Full Stack Developer
Deutsche Automobil Treuhand
Maintenance and further development of the product “Calculate Pro” used across Europe for car dealers, car workshops and car experts.
Technology stack:
JAVA 8
JEE/JBoss
Servlet
JAX-WS
JAX-RS
JSF
Junit
JQuery, JQuery UI
HTML5
Jasper Reports
Oracle
Jenkins
Jetty
Git
Ant
Maven
Waterfall
Scrum
Jira
Confluence
Lead Developer
Deutsche Automobil Treuhand
Maintenance and further development of the product “Calculate Glass” used across Europe for car dealers, car workshops and car experts.
Technology stack:
JAVA 8
JEE/JBoss
Spring Framework Servlet
JAX-WS
JAX-RS
JSF
Junit
JQuery, JQuery UI
HTML5
Angular
Jasper Reports
Oracle
Jenkins
Jetty
Git
Ant
Maven
Docker
Waterfall
Scrum
Jira
Confluence
Lead Developer and Coordinator
Deutsche Automobil Treuhand
Maintenance and further development of the product “SilverDAT Italia” for car dealers, car workshops, and automotive experts for the Italian market.
Technology stack:
Delphi
Transbase
SQL Server
Wise Installer
COM
Crystal Reports
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Automotive, Government and Administration, Insurance, Transportation, Information Technology, and Retail.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, and Quality Assurance.
Summary
Senior JAVA Solution Architect / Expert Lead Developer / Fullstack Architect with extensive experience as a DevOps and DevSecOps Engineer.
System Design, Architecture Patterns, Functional Requirement, Non Functional Requirement, Micro Services Architecture, Event-Driven Architecture, Event Storming, Domain Driven Design, Top-Down Architecture, Api First, C4 Model, ARC42Hexagonal Architecture, Clean Code, SOLID Principles.
Proven track record in 'Zero to Hero' implementations, from initial concept to on-premise or cloud deployment and Site Reliability.
Skills
- Java Senior / Expert / Lead / Architect
- Fullstack Developer
- Devops Engineer
- Devsecops Engineer
- Clean Code
- Solid Principles
- Hexagonal Architecture
- Onion Architecture
- Clean Architecture
- Vertical Slice Architecture
- Test Driven Development
- Design Pattern
- Domain Driven Design
- Microservices
- Event Driven Architecture
- Refactoring
- Code Review
- Site Reliability Engineering (Sre)
- Openai
- Chatgpt
- Conceptual Design
- Consulting
- Archetype
- Development
- From Zero To Hero
- From Code Implementation To On-Premise Or Cloud Deployment
- Java 17
- Spring Boot
- Spring Framework
- Spring Rest Api
- Spring Data
- Spring Security
- Spring Reactive
- Thymeleaf
- Spring Web Flow
- Jpa
- Flyway
- Liquibase
- Jms
- Activemq
- Ibm Mq
- Event Driven Architecture
- Apache Kafka
- Kafka Pro
- Kafka Sub
- Kafka Streaming
- Kafka Connectors
- Maven
- Junit
- Testng
- Jgiven
- Cucumber
- Gherkin
- Archunit
- Mockito
- Container As Service
- Docker
- Docker-Compose
- Kubernetes
- Helm Charts
- Microservices
- Micro Frontends
- Json
- Xml
- Sql
- Git
- Gitlab
- Github
- Artifactory
- Nexus
- Devops
- Jenkins / Pipeline As Code
- Renovatebot
- Continuous Integration
- Continuous Delivery
- Sonarqube
- Postgres
- Keycloak
- Single Sign-On
- Openid Connect
- Oauth2
- Basic Authentication
- Owasp
- Atlas Mongodb
- Aws Ec2
- Aws Ecs
- Aws Fargate
- Aws Cloudformation
- Aws Cdk (Cloud Development Kit)
- Sqs
- Sns
- Aws Vpc
- Aws Cloudwatch
- Typescript
- Javascript
- Angular
- Ngrx
- Html5
- Python
- Kotlin
- Agile Development
- Waterfall
- Jira
- Scrum
- Kanban
- Scrumban
- Safe
- Confluence
- Uml
- Plantuml
- Arc42
- Doctoolchain
- Documentation As Code
Languages
Education
University of Bologna
Qualification · Computer Sciences · Italy
Certifications & licenses
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Osman is based in Aschaffenburg, Germany and can operate in on-site, hybrid, and remote work models.
Osman speaks the following languages: Arabic (Native), German (Native), Italian (Native), English (Intermediate), French (Intermediate).
Osman has at least 19 years of experience. During this time, Osman has worked in at least 9 different roles and for 8 different companies. The average length of individual experience is 2 years and 8 months. Note that Osman may not have shared all experience and actually has more experience.
Based on recent experience, Osman would be well-suited for roles such as: Senior Architect, DevOps Engineer, Senior Developer and Consultant, Lead Developer.
Osman's most recent position is Senior Architect, DevOps Engineer at genPsoft GmbH.
In recent years, Osman has worked for genPsoft GmbH, Bundesamt für Informatik und Telekommunikation BIT, Informationstechnikzentrum Bund ITZBund, Generali Deutschland AG, and OTTO GmbH & Co..
Osman is most experienced in industries like Automotive, Government and Administration, and Transportation. Osman also has some experience in Insurance, Information Technology, and Retail.
Osman is most experienced in business areas like Information Technology, Product Development, and Quality Assurance.
Osman has recently worked in industries like Transportation, Insurance, and Government and Administration.
Osman has recently worked in business areas like Information Technology, Quality Assurance, and Product Development.
Osman attended University of Bologna for Computer Sciences.
Osman has 1 certificate: Certified AWS Solution Architect – Associate.
Osman is immediately available full-time for suitable projects.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
Similar freelancers
Discover other experts with similar qualifications and experience
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Senior Architect, DevOps Engineer
Nearby freelancers
Professionals working in or nearby Aschaffenburg, Germany
