Delly Fofie
Dad of 2 daughters
Experience
Dad of 2 daughters
Family
Senior Fullstack & DevOps Engineer (backend-focused)
Pferdesporthaus Loesdau Co. KG
The goal of the project was to conceptually build a company-wide data platform that integrates an existing legacy ERP and enables high-performance reporting as well as automated business processes.
Designing and building a company-wide data warehouse to integrate the legacy ERP system
Designing a scalable backend and data architecture as a foundation for reporting, analytics, and process automation
Developing and automating data pipelines for structured and high-performance data processing
Introducing Apache Airflow for workflow orchestration and automation
Setting up and establishing CI/CD pipelines for automated deployment and quality assurance
Implementing monitoring and observability solutions for stable production processes
Working closely with internal development teams, providing technical consulting and quality assurance
Introducing DevSecOps principles in the team and pipelines
Central scalable data platform as a basis for company-wide reporting
Automated data processing and workflows with significantly reduced manual effort
Increased stability, transparency, and maintainability through CI/CD and monitoring standards
Optimized runtime of reports from, for example, 90 minutes to a few seconds for important reports
Technologies: Java 17, Python, Apache Spark, PostgreSQL, Jenkins, Apache Airflow, GitHub Actions, SonarQube, Trivy, AWS, Docker, Rocky Linux, Ansible, Grafana, Splunk, LDAP, Microsoft Active Directory, SSO, JUnit, Mockito, pytest, testcontainers
Senior Fullstack & DevOps Engineer (backend-focused)
T-Systems GmbH
The goal was a scalable, event-driven microservice architecture for a highly available software platform handling 110 emergency calls.
Introducing Apache Kafka as the central event backbone
Designing and developing a standardized, reusable Kafka API
Designing and implementing an event router microservice for WebSocket frontends and REST backend services
Developing backend-heavy microservices with Java, Spring Boot, and Vert.x
Standardizing Spring Boot to modernize the service landscape
Building and evolving CI/CD pipelines with GitLab CI and Ansible playbooks for Rocky Linux/OpenSUSE
Supporting production rollouts, incident analysis, and sustainable bug fixes
Working closely with development, architecture, and operations teams
Implementing API tests with Robot Framework in Python
Developing an Angular library for micro-frontend integration via WebSocket
Highly available, event-driven platform for safety-critical use cases
Clean decoupling of frontend and backend
Improved maintainability and scalability
Stable production operation with clear deployment and incident processes
Optimized build and run time from 90 minutes to a maximum of 30 minutes
Technologies: Java 17/21, Spring Boot, Vert.x, MariaDB, MySQL, Apache Kafka, REST, WebSocket, PostgreSQL, Liquibase, Hibernate, GitLab CI, Docker, Private Cloud, Grafana, Loki, SonarQube, SonarLint, Angular, ngRX, OpenID, OAuth 2, Keycloak, SSO, Robot Framework, JUnit, Mockito, testcontainers, Hamcrest
Fullstack & DevOps Engineer (backend-focused)
Ecos system GmbH
The goal was to modernize a legacy ERP system by automating business processes, reporting, and observability, as well as developing internal applications.
Setting up and administering Splunk as a central BI and observability platform
Developing automated web crawlers for data collection and processing
Providing, operating, and maintaining Jenkins nodes for CI/CD
Developing backend-heavy applications with Django and FastAPI for item and inventory management
Developing an Angular 12 single-page application
Implementing REST and SOAP interfaces
Containerizing with Docker and Docker Swarm
Working closely in an agile environment
Improved transparency through central observability
Reduced manual effort through automation
More stable build and deploy processes
Sustainable modernization of the system landscape
20% increase in customer revenue
Technologies: Python, Java, Django, FastAPI, REST, SOAP, PostgreSQL, Jenkins, GitHub Actions, SonarQube, Trivy, Docker, Docker Swarm, Splunk, AWS, CentOS 7, Rocky Linux 9, Ansible, Scrum, Angular, OpenID, OAuth 2, Keycloak, LDAP, Playwright, pytest, testcontainers
Fullstack & DevOps Engineer (backend-focused)
Robert Bosch GmbH
The goal was a highly available, scalable microservice architecture for a company-wide production planning and controlling platform.
Developing and operating microservices with Java and Spring Boot
Running legacy Java EE 7 applications
Integrating the frontend with Angular
Designing, building, and operating CI/CD pipelines with Jenkins and GitLab
Introducing automated UI tests with Selenium
Building logging and monitoring dashboards with the ELK stack
Migrating from Docker Swarm to Kubernetes/OpenShift
Supporting production operations including rollout, update, and failure strategies
Collaborating in scaled agile teams (SAFe)
Stable production system across multiple sites
Shortened release cycles through automation
Increased transparency and operational security
Sustainable Kubernetes platform
Accelerated release delivery from days to minutes
Technologies: Java, Spring Boot, Java EE 7, PostgreSQL, MySQL, Elasticsearch, Apache Kafka, Solace, Angular, Jenkins, GitLab, Docker, Kubernetes, OpenShift, Helm, Go, SonarQube, SonarLint, ArgoCD, Selenium, ELK, Ansible, Scrum, Jira, OpenID, OAuth 2, Keycloak, LDAP, Mockito, JUnit5, Spring Boot Test
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 Information Technology (4 years), Manufacturing (3.5 years), Government and Administration (2.5 years), and Retail (0.5 years).
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 Information Technology (7.5 years), Operations (2.5 years), Quality Assurance (2.5 years), Business Intelligence (1.5 years), and Product Development (1.5 years).
Summary
Software engineer with over 7 years of experience in developing and running distributed, highly available systems. Specialized in microservice architectures, DevOps automation, and cloud-native platforms in regulated enterprise environments (including industry, public sector, and e-commerce).
Languages
Education
Bachelor of Science, Software-Engineering · Software-Engineering
Profile
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