Tezcan Dilshener-Solution Architect / Project Manager
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Experience
Solution Architect / Project Manager
German Football Association
- Overall responsibility for the project lifecycle from scoping to completion
- Close collaboration with platform teams, IT leadership, and external service providers
- Application of SAFe principles and structured sprint work
- Creation of a migration roadmap with clear milestones
- Monitoring the lifecycle: onboarding, repository migration, permission replication, and system testing
- Visualizing the architecture with PlantUML and Gliffy, and documenting in Confluence
- Regular status reporting and conducting knowledge transfer sessions
Senior Cloud Solution Architect
ING Bank
- Designing cloud infrastructure components for distributed applications in internal, DMZ, and internet-based deployments
- Creating comprehensive network design documents for load balancing, security, DevOps pipelines, logging, and high availability models
- Documenting architecture blueprints based on TOGAF principles in Confluence and PlantUML/draw.io
- Defining network segmentation strategies including firewall rules and zero-trust principles
- Providing technical guidance to internal application teams and developing practical delivery strategies
- Presenting solution concepts to the TOGAF governance committee and converting them into reusable reference architectures
- Successfully migrating multiple third-party applications to the private cloud with standardized reference architectures and accelerated go-live approvals
Solution Architect / Project Manager
Telefónica Germany
Translating audit findings into structured user stories and domain-specific action plans
Leading cross-functional implementation of technical and organizational controls
Implementing GDPR-compliant data deletion, hardening, and remediation of encryption and monitoring gaps
Ensuring business continuity (BCP) and disaster recovery (DR) according to corporate standards
Identifying and evaluating AI-relevant use cases as part of the digital transformation strategy through stakeholder interviews
Tracking actions with Jira/Confluence with management visibility
Defining and managing the migration of central prepaid IT systems to cloud and data center infrastructures
Coordinating with stakeholders and vendors for architectural validation and technical alignment
Securing compliance using Nessus and Kiuwan for vulnerability analysis and remediation
Building an AI trend radar including analysis of LLMs, Azure OpenAI services, LangChain integrations, and Hugging Face components
End-to-end management of the redevelopment and migration of a high-availability retail application
Establishing agile methods with robust sprint planning and cross-functional collaboration
Senior Cloud Solution Architect
ING Bank
- Designing cloud infrastructure components for distributed applications in internal, DMZ, and internet-based deployments
- Creating comprehensive network design documents for load balancing, security, DevOps pipelines, logging, and high availability models
- Documenting architecture blueprints based on TOGAF principles in Confluence and PlantUML/draw.io
- Defining network segmentation strategies including firewall rules and zero-trust principles
- Providing technical guidance to internal application teams and developing practical delivery strategies
- Presenting solution concepts to the TOGAF governance committee and converting them into reusable reference architectures
- Successfully migrating multiple third-party applications to the private cloud with standardized reference architectures and accelerated go-live approvals
JEE Senior Solution Architect / Team Lead
Volkswagen
- Analyzing and developing concepts for loosely defined requirements in order management
- Identifying adaptation needs for cloud operation of IT applications
- Optimizing processes from fulfillment to reconciliation (O2C)
- Coordinating cloud migration architecture design with the TOGAF Architecture Guild group
- Data modeling and interface mapping at the database level using TOGAF
- Aligning with the product owner for prioritization and scope definition
- Advising developers at an expert level
IT Service Manager / Project Team Lead / Coordinator / Systems Engineer
BMW Group
- Responsible for the daily operation of the Atlassian tool chain (Bitbucket, Confluence, Jira, Crowd)
- Monitoring on-premises and cloud ATC tools including AWS configuration and issue analysis
- ITSM incident management with ServiceNow to ensure KPIs, SLAs, and user satisfaction
- Jira and Confluence administration to provide ATC tools
- Process documentation and follow-up with Atlassian Premier Support
- Coordination with clients to meet sprints and requirements
- Technical lead of the Polish offshore development team
JEE Senior Architect / Team Lead / Coordinator
Huawei
- Leading the further development of an IAM solution based on ABAC for IoT smart homes
- Improving the security-by-design process and security engineering
- Developing a dynamic authorization service with XACML V3.0 and continuous monitoring
- Implementing a content protection application with video streaming, light sensors, and AI-based object detection
- Setting up and managing development, testing, and demo environments
- Supporting and training product line engineers in technology adoptions
- Leading offshore development teams in Italy, Israel, and China
JEE Senior Architect / Team Lead
Telefónica
- Further development of a custom prepaid IT application
JEE Architect / Project Team Lead
T-Systems
- Further development of an application for managing used car sales for Mercedes
JEE Senior Developer / Architect
TNG at Telefónica/O2
- Further development of a CRM application for O2 customers
JEE Senior Developer / Architect
UniCredit
- Implementation of the Federal Court of Justice requirement to convert current accounts into garnishment-protected accounts
JEE Senior Developer / Architect
Siemens
- Redesign and further development of the GPM application
JEE Senior Developer
Deutsche Pfandbrief Bank
- Further development of a platform to migrate domain data from HOST to SAP systems
JEE Senior Developer
Loyalty Partners
- Development of a platform for international customer loyalty and bonus programs
JEE Senior Developer
HVB-Unicredit
- Production support, maintenance and implementation of various Java projects
JEE Developer
KVB Insurance
- Development of an online billing portal with automated validation and correction steps
JEE Developer
BayernLB Bank
- Development of an early warning system for problem loans
JEE Developer
Siemens Logistics
- Further development of an export and import list management application
JEE Developer
HP/Compaq
- Implementation of a central campaign management system
JEE Developer
ComTelko
- Development of a web-based e-commerce revenue reporting system
JEE Developer
BayernLB Bank
- Migration to IBM WebSphere and WSAD
JEE Developer
RemoteHotels
- Development of a controller/filter framework for validation and dispatch mechanisms
JEE Developer
MAN Nutzfahrzeuge
- Development of a web-based maintenance and planning application
JEE Developer
SATZ Systemhaus
- Development of a web-based job search, selection, application, and registration application
Industry Experience
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Experienced in Banking and Finance, Telecommunication, Automotive, Information Technology, Transportation, and Sport.
Business Area Experience
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Experienced in Information Technology, Product Development, Project Management, Customer Service, Supply Chain Management, and Operations.
Summary
Enterprise Cloud & AI Solution Architect with over 20 years of experience leading complex digital transformations in telecommunications and finance. Proven expertise in designing scalable, secure, and compliant architectures on private and public cloud platforms. Hands-on experience integrating generative AI, cloud migrations, compliance, and developing reference architectures. Skilled at aligning technical implementation with governance models, stakeholder requirements, and the ever-evolving AI/ML landscape.
Skills
It Experience: Since 1999
Roles: Project Management, Architect, Software Specialist
Industry Expertise: Insurance, Finance, Banking, Automotive, Telecommunications, Logistics, It, Public Sector
Development Of Scalable Ai/ml Systems And Architectures Design & Leadership Of Complex Cloud Architectures At Telefónica, Dfb & Ing – Including Security Concepts, Scalability, And Performance Optimization
Generative Ai: Llms, Rag, Vector Databases, Fine-tuning Hands-on Experience With Modern Genai Stacks: Integration Of Vector Search, Ci/cd-driven Prompt Engineering, And Security Audits
Cloud-native Architectures (Aws, Azure, Gcp) Proven Deep Know-how With Aws & Azure In Production Migrations And Architecture Projects (E.g., Telefónica, Ing, Bmw)
Ai & Dataops Tooling: Mlops, Langchain, Llamaindex, Ray Applying Devops/mlops Principles With Gitlab, Pipelines, Jira, Nessus, Kiuwan, And Secure Integration Of Analytics & Security Tools
Data Privacy, It Security, Ethics In Ai Projects Implementation Of Gdpr-compliant Architectures And Security Compliance (Cis, Nist) In Cloud Migrations & Security-critical Projects
Interdisciplinary Teamwork (It, Research, Production) Many Years Of Experience Leading Multinational Teams (E.g., China, Israel, Poland) And Bridging It, Business & Research
Technology Scouting & Trend Assessment Ongoing Training & Research: Phd In Software Development, Teaching In Digital Business & Cloud Innovation, Technology Consulting
Llm Integration & Rag Systems: Architecture Of Distributed Systems With Vector Search (E.g., Lucene, Faiss), Retrieval-augmented Generation, Model Wrapping & Evaluation.
Generative Ai Platforms: Experience With Leading Tools & Providers (Openai, Aws, Azure, Etc.).
Ai/ml Architecture: Design & Implementation Of End-to-end Ai Systems In Production Multi-cloud Environments, Including Devsecops Integration.
Cloud & Devops: Solid Cloud Architecture Expertise (Aws/otc/ipc), Ci/cd Pipelines, Observability & Governance Frameworks.
Mlops & Ai Toolchains: Integration Of Mlops Tools Like Langchain, Llamaindex, Ray, Gitlab Pipelines, Jfrog, Artifactory, Sast/sca Tools.
Data Ethics & Security: Establishment Of Security Standards, Audit Processes, And Ethical Guidelines For Ai Projects.
Research & Innovation: Active Co-creation Of New Ai Solutions, Participation In Research Projects, And Lecturing In Ai & Strategy.
Frameworks: Soap, Rest, Swagger – Web Services; Hibernate – Persistence Framework; Spring Boot – Spring Framework; Thymeleaf – Mvc Ui Framework; Lucene – Vector Search Model Api; Openapi, Embeddings, Llm, Rag Concepts; Junit, Jgiven – Testing Frameworks; Huggingface, Pytorch, Bert – Ai Frameworks; Arc42 – Documentation Framework
Programming Languages: Java – Jee, Python 3, Cobol, Rpg
Operating Systems: Windows, Linux, Macos, Ibm As/400 & Os/390
Methodologies: Scrum, Safe, Extreme Programming; Tdd/bdd – Test/behaviour Driven Development; Itil/itsm – Service Management; Archimate – Enterprise Modelling Foundation
Products: Atlassian Jira And Confluence – Life Cycle; Docker, Vmware – Containerization Engines; Otc – Open Telekom Cloud; Aws – Ebs/ecs – Elastic Beanstalk/containers; Ing Private Cloud; Eclipse, Android Studio, Visual Studio Code – Ides; Weblogic, Ibm Websphere – Application Servers; Plantuml, Draw.io – Uml Tools; Soapui, Postman – Web Services Testing Tools; Sonarqube, Nessus, Kiuwan – Quality/security
Messaging/bus Systems: Event-driven (Sqs, Sns); Kafka, Ibm Mq
Versioning: Bitbucket, Gitlab – Version Control Systems; Maven, Gradle – Build Management Tools; Ci/cd – Continuous Integration/deployment
Databases: Qdrant, Lucene Vectordb, Oracle, Ibm Db2, Hsqldb, Apache Derby
Languages
Education
The Open University
Doctor of Philosophy in Software Evolution and Maintenance · Software Evolution and Maintenance · Milton Keynes, United Kingdom
City University
Master of Science in Business Systems, Analysis and Design · Business Systems, Analysis and Design · London, United Kingdom
Southbank University
Graduate Diploma Honours Degree in Computer Science · Computer Science · London, United Kingdom
Certifications & licenses
AWS Certified Cloud Practitioner – Course Completion
AWS Cloud Solution Architect – Course Completion
ArchiMate Enterprise Architecture Modelling Framework – Course Completion
Azure Architect Design – Course Completion
Azure Cloud Architecture Technologies – Course Completion
Private Pilot Certificate – Single Engine Land
Certified Master Coach: Motivation and Solution-Oriented Techniques
Statistics
Experience
Global Experience
Expertise
Qualifications
Profile
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