Recommended expert

Raphael Vullriede

Tech- / Team Lead / Architect / Engineer

Raphael Vullriede
Hamburg, Germany

Experience

Jan 2022 - Present
4 years 1 month

Tech- / Team Lead / Architect / Engineer

Freelance IT Consultant

  • Independent Software Engineer focusing mainly on complex backend architectures.
Feb 2015 - Jan 2022
7 years
Hybrid

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.

Jul 2012 - Jan 2015
2 years 7 months

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.

Jan 2012 - Jun 2012
6 months
Hanoi, Viet Nam

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.

Oct 2010 - Jan 2012
1 year 4 months
Hamburg, Germany

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.

Oct 2005 - Jan 2010
4 years 4 months
Espelkamp, Germany

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.

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

German
Advanced
English
Advanced

Education

Oct 2002 - Jun 2005

DHBW Stuttgart

Diploma in Business Informatics (BA), Specialization: artificial intelligence (genetic algorithms), resource constraints · Business Informatics · Stuttgart, Germany

Oct 2002 - Jun 2005

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)

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