Tezcan Dilshener
Solution Architect / Project Manager
Experience
Solution Architect / Project Manager
Deutscher Fußball-Bund
- Full accountability for the project lifecycle from scope definition to completion
- Close collaboration with platform teams, IT leaders, and external vendors
- Applying SAFe principles and structured sprint work
- Creating a migration roadmap with clear milestones
- Monitoring the lifecycle: onboarding, repository migration, permissions replication, and system testing
- Visualizing the architecture with PlantUML and Gliffy and documenting in Confluence
- Regular status reports 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 results 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 fixing encryption and monitoring gaps
Ensuring business continuity (BCP) and disaster recovery (DR) according to corporate standards
Identifying and evaluating AI-related use cases within the digital transformation strategy through stakeholder interviews
Tracking actions in 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
Ensuring compliance with 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
Overall management of the development 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 adjustments needed for cloud operation of IT applications
- Optimizing processes from fulfillment to reconciliation (O2C)
- Coordinating the cloud migration architecture design with the TOGAF Architecture Guild Group
- Data modeling and interface mapping at the database level with TOGAF
- Aligning with product owners on 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-prem and cloud ATC tools including AWS configuration and troubleshooting
- 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
- Coordinating with customers 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 ABAC-based IAM solution 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 during technology transitions
- 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 requirement to convert checking accounts into garnishment protection 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 for migrating business data from HOST to SAP systems
JEE Senior Developer
Loyalty Partners
- Development of a platform for international loyalty and bonus programs
JEE Senior Developer
HVB-Unicredit
- Production support, maintenance, and implementation of various Java projects
JEE Developer
KVB Versicherung
- 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 Logistik
- 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 eCommerce revenue reporting system
JEE Developer
BayernLB Bank
- Migration to IBM WebSphere and WSAD
JEE Developer
RemoteHotels
- Developed a controller/filter framework for validation and dispatch mechanisms
JEE Developer
MAN Nutzfahrzeuge
- Developed a web-based maintenance and planning application
JEE Developer
SATZ Systemhaus
- Developed a web-based job search, selection, application, and registration application
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 Banking and Finance (11 years), Telecommunication (7.5 years), Automotive (5 years), Information Technology (5 years), Transportation (1 year), and Sport (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 (26 years), Product Development (7 years), Project Management (6 years), Customer Service (2 years), Supply Chain Management (1.5 years), and Operations (0.5 years).
Summary
Enterprise Cloud & AI Solution Architect with over 20 years of experience leading complex digital transformations in the telecommunications and finance sectors. Proven expertise in designing scalable, secure, and compliance-driven architectures on private and public cloud platforms. Hands-on experience with integrating generative AI, cloud migrations, compliance, and developing reference architectures. Skilled at aligning technical implementations with governance models, stakeholder requirements, and the ever-evolving AI/ML landscape.
Skills
It Experience: Since 1999
Roles: Project Manager, Architect, Software Specialist
Industry Expertise: Insurance, Finance, Banking, Automotive, Telecommunications, Logistics, It, Government
Development Of Scalable Ai/ml Systems And Architectures; Design & Lead 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: Vector Search Integration, Ci/cd-driven Prompt Engineering, And Security Audits
Cloud-native Architectures (Aws, Azure, Gcp): Proven Deep Knowledge Of Aws & Azure In Live 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: Implementing Gdpr-compliant Architectures And Security Compliance (Cis, Nist) In Cloud Migrations & Security-critical Projects
Cross-functional Teamwork (It, Research, Production): Many Years Of Experience Leading Multinational Teams (E.g., China, Israel, Poland) And Bridging It, Business & Research
Technology Scouting & Trend Analysis: Ongoing Education & 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 Live Multi-cloud Environments With Devsecops Integration
Cloud & Devops: Strong Cloud Architecture Expertise (Aws/otc/ipc), Ci/cd Pipelines, Observability & Governance Frameworks
Mlops & Ai Toolchains: Integrating Mlops Tools Like Langchain, Llamaindex, Ray, Gitlab Pipelines, Jfrog, Artifactory, Sast/sca Tools
Data Ethics & Security: Establishing Security Standards, Audit Processes, And Ethical Guidelines For Ai Projects
Research & Innovation: Actively Shaping New Ai Solutions, Participating In Research Projects, And Lecturing On Ai & Strategy
Frameworks: Soap, Rest, Swagger – Web Services; Hibernate – Persistence; Spring Boot – Framework; Thymeleaf – Mvc Framework; Lucene – Vector Search Api; Openapi, Embeddings, Llm, Rag Concepts; Junit, Jgiven – Test 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
Products: Atlassian Jira And Confluence – Life Cycle; Docker, Vmware – Container Engines; Otc – Open Telekom Cloud; Aws - Ebs/ecs – Elastic Beanstalk/container; Ing Private Cloud; Eclipse, Android Studio, Visual Studio Code – Ides; Weblogic, Ibm Websphere – Application Servers; Plantuml, Draw.io – Uml Tools; Soapui, Postman – Web Service Testing; Sonarqube, Nessus, Kiuwan – Quality/security
Messaging/bus Systems: Event-driven (Sqs, Sns); Kafka, Ibm Mq
Version Control: Bitbucket, Gitlab; Maven, Gradle – Build Management; Ci/cd – Continuous Integration/deployment
Databases: Qdrant, Lucene Vectordb, Oracle, Ibm Db2, Hsqldb, Apache Derby
Languages
Education
The Open University
Philosophy of Doctorate 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
Profile
Frequently asked questions
Do you have questions? Here you can find further information.
Where is Tezcan based?
What languages does Tezcan speak?
How many years of experience does Tezcan have?
What roles would Tezcan be best suited for?
What is Tezcan's latest experience?
What companies has Tezcan worked for in recent years?
Which industries is Tezcan most experienced in?
Which business areas is Tezcan most experienced in?
Which industries has Tezcan worked in recently?
Which business areas has Tezcan worked in recently?
What is Tezcan's education?
Does Tezcan have any certificates?
What is the availability of Tezcan?
What is the rate of Tezcan?
How to hire Tezcan?
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
Similar Freelancers
Discover other experts with similar qualifications and experience
Experts recently working on similar projects
Freelancers with hands-on experience in comparable project as a Solution Architect / Project Manager
Nearby freelancers
Professionals working in or nearby Munich, Germany
