David Brutian-Consultant, Solution Architect (Hands-On)
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Experience
Consultant, Solution Architect (Hands-On)
Mid-sized company in the services and healthcare industry
- Design and development of a retrieval-augmented generation (RAG) solution for the structured and simplified creation of business-critical correspondence
- Technologies: OpenAI API, Python 3.8, sentence transformers, tiktoken, ChromaDB, Flask
Solution Architect / System Architect
Global market leader in complex cloud-native specialized software for the public sector
- Architecture consulting including network analysis and software architecture according to iSAQB standards
- Analysis of customer requirements and alignment with product and requirements management
- Creation of architecture concepts for a modern cloud-native application considering agile guidelines
- Analysis and evaluation of change requests
- Close collaboration with external technology providers and technology selection
- Contribution to the strategic direction of the system architecture
- Technologies/Standards: Java, Python, Docker, virtualization, Kerberos, OpenLDAP, OpenSearch, Keycloak, Hashicorp Vault, Apache Kafka, relational and object-oriented databases
- Collaboration following SAFe (Scaled Agile Framework)
Solution Architect (Hands-On)
International trading company
- Building and maintaining the architecture of a highly available and high-performance global webshop and various backend systems
- Technologies: Google Cloud Platform, Java 8/Java 11, Spring Boot, PostgreSQL, Node.js, TypeScript
- Load testing with Scala, Gatling, JMeter
- Frontend with React and GraphQL/Apollo
Consultant, Solution Architect (Hands-On)
International trading company
- Establishment of processes and tools for load and performance testing of a global e-commerce platform
- Analysis of existing solutions and processes
- Selection and setup of the technology stack including technical infrastructure
- Support and consulting for teams in implementing product-specific solutions
- Consulting and coordination in planning and executing load tests
- Technologies: Google Cloud Platform, various open-source tools
Solution Architect (Hands-On)
International trading company
- Extension of the e-commerce platform with a marketplace architecture
- Technical integration and connection of multiple third-party products
- Design and implementation of integration interfaces
- Modeling and implementation of cross-product business processes
- Technologies: Google Cloud Platform, microservices, API-first approach, Java/Spring Boot, Node.js/TypeScript/NestJS, OpenAPI, MongoDB
Solution Architect (Hands-On), Tech Lead
Internationally Active Trading Company
- New development and operation of a global eCommerce platform on Google Cloud Platform and Cloudflare
- Building and maintaining the architecture for highly available and high-performance web shops and backend systems
- Designing and building the backend of the cloud-based infrastructure
- Phased migration from the old to the new platform
- Establishing DevOps/DevSecOps processes in the teams
- Supporting development teams with architecture decisions and implementation
- Designing and implementing testing and monitoring environments for the platform and components
- Conducting PoCs and testing new technologies
- Defining coding guidelines and standards
- Coaching the teams
- Technologies: Microservices, Domain Driven Design, REST, API design, OpenAPI, Swagger/SwaggerHub, Apigee, Java 8/Java 11, Spring Framework, Spring MVC, Spring Boot, PostgreSQL, NoSQL products, React
- Collaboration: Scrum, Kanban, Jira, Confluence
Senior Software Developer (Full-Stack)
IT service provider focusing on IT security and high security for the public sector
- Development of a registration system
- Creation of technical requirements based on epics and user stories
- Implementation of project target requirements in an agile team
- Code reviews and documentation
- Technologies and methods: Java 8, Spring Framework, Spring MVC, Spring Security, ORM/JPA/Hibernate, Java Servlet, JSP/JSTL, RESTful web services, JavaScript, jQuery, Tomcat, Bootstrap, Web security/OWASP, PostgreSQL, HSQLDB, Kerberos, LDAP, Test-driven Development, Acceptance Test–driven Development, JUnit, Hamcrest, FitNesse, Scrum, JIRA, Linux (Ubuntu), IntelliJ IDEA, Git, Maven, Jenkins, Sonar
Architect and Technical Product Owner (cross-functional agile teams)
IT service provider for Volks- and Raiffeisen banks
- Further development of the network-wide online banking application
- Responsibility for system architecture design and migration to new frameworks
- Leading the analysis, preparation, and execution of the product migration
- Creation of technical requirements based on epics and user stories
- Support and coaching in the project team and consultation in cross-team backlog refinements
- Until mid-2013 as specialist developer: implemented according to functional and IT concepts, extended technical design documents, served as point of contact for maintenance and support, conducted error analysis and testing, and liaised with the business department
- Technologies: Java 7/Java 8, Spring Framework, Spring MVC, Spring Security, Vaadin, JBF, RBF, Eclipse, IBM RSA, Tomcat, JUnit, Gradle, Maven, Ant, JavaScript/jQuery, Scrum, JIRA
Senior Software Developer, Architect, Functional Designer
IT service provider for Volks- and Raiffeisen banks
- Further development and maintenance of the network-wide information portal for bankers
- Creating the functional design in coordination with the business department
- Creating technical designs
- Developing and maintaining the application
- Technologies: Java/JEE/JSP, Wicket, Spring Framework, Hibernate, JavaScript (YUI, jQuery), IBM WebSphere Application Server, WebSphere Portal Server 6.1, JUnit, Mockito, DB2, Eclipse, Maven, Subversion, IBM RSA, Scrum
Senior Software Developer, Usability Lead
IT service provider for Volks- and Raiffeisen banks
- Further development and maintenance of the network-wide banking workstation application
- Development of the module for managing and maintaining card products (EC cards, customer cards, savings cards, credit cards)
- Creating load test drivers and integrating them into the load test infrastructure
- Coaching in the project team
- Technologies: Java/JEE, JBF, JUnit, UML, DB2, Eclipse, Ant, Tomcat, Subversion, IBM RSA
Sole Contractor
Event industry client
- Design and implementation of an application for event management
- Modeling and design of the relational database
- Development and production rollout
- Analysis and migration of data from the legacy application
- Training of client staff
- Technologies: Java, JSP, JavaServer Faces 1.2 (MyFaces), Hibernate, MySQL, Eclipse, Ant, Subversion, Apache HTTP Server, Tomcat
Senior Software Developer, Architect
Online retailer in the books and media sector
- Design and implementation of multiple backend and frontend components to expand the product range and optimize complex business processes
- Development of a web-based application for managing and monitoring over 200 processes
- Design and development of a scheduler component for automated process monitoring
- Design and development of various frameworks to model complex business process scenarios
- Modeling and design of multiple complex databases
- Technologies: Java, JSP, JavaServer Faces 1.2 (MyFaces), Hibernate, Oracle 10g, PL/SQL, Oracle SQL Developer, Apache HTTP Server, Tomcat, Ant, Eclipse, UML, Bash, Linux, Subversion, Embarcadero ER/Studio
Industry Experience
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Experienced in Information Technology, Retail, Banking and Finance, and Tourism.
Business Area Experience
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Experienced in Information Technology, Product Development, and Quality Assurance.
Skills
Technology-driven Architect And Developer With Over 25 Years Of Experience In Architecture & Strategy: Microservices, Domain Conception, Implementation And Scaling Of Modern Software Solutions. Deep Domain-driven Design, Cloud-native Architectures (Gcp, Aws, Azure) Combining Technical Expertise With Strategic Thinking · Ai & Data Science: Generative Ai, A Pragmatic View Of The Big Picture Seeking Viable Solutions For Machine Learning, Prompt Engineering, Data Analysis & Modeling Of Complex Business Requirements · Development: Java, Python, Typescript · Devops & Infrastructure: Ci/cd, Docker, Kubernetes, Terraform · Data & Integration: Rest, Graphql, Kafka, Elasticsearch, Opensearch, Postgresql, Mongodb · Agile & Communication: Scrum, Kanban, Technical Consulting, Stakeholder Management
Roles & Contributions: Enterprise Architect · Solution Architect · Tech Lead · Software Engineer · Technical Product Owner (Tpo)
Industry Experience: E-commerce · It Security / High Security It · Public Sector · Banking / Finance · Insurance
Languages
Education
Technical University of Munich
Diploma in Computer Science · Computer Science · Munich, Germany
Certifications & licenses
Google Cloud Certified Professional Cloud Architect
Google Cloud
Harvard CS50's Introduction to Artificial Intelligence with Python (verified)
Harvard
Isaqb® Certified Professional For Software Architecture Advanced Level (Cpsa-A)
Isaqb®
Isaqb® Certified Professional For Software Architecture Foundation Level (Cpsa-F)
Isaqb®
Oracle Certified Associate, Java Se 8 Programmer
Oracle
Oracle Certified Professional, Java Se 8 Programmer
Oracle
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