Raphael Vullriede
Tech- / Team Lead / Architect / Engineer
Experience
Tech- / Team Lead / Architect / Engineer
Freelance IT Consultant
- Independent Software Engineer focusing mainly on complex backend architectures.
VP Technology
Mondia Group
Reduced technical debt, containerized parts of the platform and migrated to hybrid-cloud deployments (Azure, AWS, private cloud) to manage growth and scale.
Led the design and implementation of various new services and products that enhanced Mondia's technical capabilities and product portfolio.
Head of Research & Development
Mondia Group
Headed software development and quality assurance of core platform teams in Hamburg and external teams in Poland and Hungary.
Built up a new development center in Cairo, Egypt with over 120 employees, reducing internal man date rates by 60%.
Worked on presales pitches and contributed to RFP/RFQ processes with international telecom companies, resulting in new business in North and Sub-Saharan Africa.
Acted as architect and lead developer of Mondia's Public Partner APIs.
Researched and introduced Node.js and MongoDB as a second standard stack.
Established a DevOps practice with CI/CD based on Ansible, Puppet and Jenkins.
Technical Consultant
FPT Software // Mondia Media Germany GmbH
Led recruitment, onboarding and training of offshore development teams as extended capacity to Hamburg teams.
Introduced new teams to Java-based platform and trained them on usage and internals.
Implemented a SCRUM-like development process for distributed teams across multiple time zones.
Worked as lead developer in delivery teams for multiple cross-content entertainment portals.
Senior Developer & Scrum Master
Mondia Media Germany GmbH
Developed and optimized highly scalable backend services for Mondia's entertainment platform.
Introduced a unified API layer for external developers to access the platform securely and conveniently.
Supported transition to agile organization by training and coaching development teams and key stakeholders.
Software Developer
BEIT Systemhaus GmbH
Architected and developed various client portals and internal billing and invoicing systems.
Led migration of a NATURAL based profit sharing system to a J2EE and JSF based system.
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 (18.5 years), Media and Entertainment (8.5 years), and Telecommunication (2.5 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 (19.5 years), Product Development (19.5 years), Quality Assurance (2.5 years), Human Resources (0.5 years), and Project Management (0.5 years).
Summary
Tech/Team Lead, Architect, and Software Engineer with over 17 years of experience in the software industry. My expertise in Java and Spring Boot, coupled with extensive knowledge of a broad range of open-source technologies including various database systems (PostgreSQL, MySQL, MongoDB), Kafka, Git, CI/CD (Jenkins, Github Actions), ELK-Stack and others, allows me to excel in creating and delivering software solutions that are both efficient and effective. International project experience in Europe (Germany, Italy, Spain, Switzerland), MENA (UAE, Egypt, Algeria), Africa (South Africa, Tanzania, DRC) and North/South America (Mexico, Argentina).
Skills
- Java (18 Years)
- Spring / Spring Boot (13 Years)
- Jpa/hibernate (18 Years)
- Sql (18 Years)
- Mysql (18 Years)
- Postgresql (8 Years)
- Git (10 Years)
- Ci/cd (Jenkins, Github, Gitlab) (12 Years)
- Linux/unix Administration (15 Years)
- Html & Css (20 Years)
- Android (8 Years)
- Php (20 Years)
- Evm-compatible Blockchains (Ethereum, Avalanche, Bsc) (4 Years)
- Microsoft Azure (5 Years)
- Aws (5 Years)
- Kubernetes (5 Years)
Languages
Education
DHBW Stuttgart
Diploma in Business Informatics (BA), Specialization: artificial intelligence (genetic algorithms), resource constraints · Business Informatics · Stuttgart, Germany
Open University, London
Bachelor of Arts · Business Administration (Business Information Systems) · London, United Kingdom · First Class Honours
Certifications & licenses
Certified Scrum Master (CSM)
oose Innovative Informatik eG
Sun Certified Programmer
Sun (Oracle)
Profile
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