Boas Betzler
CTO, Complex Cloud Solutions
Experience
Technical Leader and Executive Sponsor, AI Solution Assistant
- Product owner and Executive Sponsor for an AI Assistant trained on a knowledge base of past solution designs, RFP documents, and current product documentation
- Used by nearly 100 global architects and engineers in pre-sales and post-sales
- Generates full solution documents with requirement-driven architecture decisions, solution overview, diagrams, bill of materials, and roles and responsibility matrix
- Technologies: AI, LLM, chat bot, RAG, agentic AI, vector databases, public cloud
Leader resiliency incident assessment, Airport baggage handling system
Schiphol airport
- Led a one-week assessment of major misplaced baggage incidents, detailing root causes, identifying architectural and operational risks, and recommending improvements
- Technologies: on-premises data center, resiliency, Linux, AIX, Kubernetes, OpenShift, Open Data Foundation, file services, Postgres, Oracle, automation, service management, patch automation and management, observability, DR
IT Consultant
Software company or healthcare providers
- IT Consultant project for a dental software provider
- Assessed technology choices for virtualization, containerization, and Postgres database
- Identified installation inhibitors and reviewed automation for installation and data migration
- Analyzed system requirements and conducted a competitive analysis of six competitors in the German dental software industry
- Analyzed performance challenges and provided improvement recommendations
- Technologies: hardware for small-to-medium dental healthcare providers, Windows, Linux, macOS, HyperV, Docker, local network, Postgres, Grafana, FHIRE healthcare interface standard, German guideline §75b SGB – Protection of sensitive patient data in medical practices and medical care centers
Leader Cloud solution design quality assurance, Electronic Patient Health records
- Responsible for quality assurance of cloud architecture for electronic patient health records
- Successful delivery in 2024 and operation in 2025
- Technologies: hybrid cloud, private data center and public cloud, Kubernetes, Linux, object storage, databases, security, encryption, key management, regulatory requirements, GDPR
Product owner, Zone-replicated Managed File Service Public Cloud
- Responsible for requirement documentation and delivery of functional and non-functional capabilities of a synchronous replicated file system
- Technologies: public cloud, Linux, Windows, network, cross-data-center connectivity, NetApp, CIFS/SMB/Trident, migration, replication, DR
Co-leader Major incident analysis and risk assessment, Multi-channel online banking
Major European Bank
- Co-led one week independent analysis of major outage, documented evidence for root cause in solution and technology, and ensured cyber attack cause could be factually excluded
- Presented report at board level
- Technologies: Network, DMZ, Web service flows, API Gateway, Web Application Firewall, Load Balancer, IDS/IPS, DDoS, TCP/IP traffic analysis, application and code library handling of socket connections, SIEM, Cyber resiliency, regulatory requirements
Leader Multi-datacenter resilient architecture, Life Insurance
Major German Insurance
- Led documentation of solution design documents and architecture decisions
- Project delivered and running in production
- Technologies: Public Cloud, resiliency, storage replication, security, encryption, regulator compliance, service management, resiliency, DR, VMWare, Windows, Linux
Co-leader Design Authority, Journey to Cloud
Caixa
- Co-leader of Design Authority with Bank CTO and Service Provider stakeholders, responsible for solution design and architecture decisions
- Achieved successful migration of planned volumes of branch and core banking systems
- Technologies: IBM Public Cloud, z/OS, Hybrid Cloud, Linux, Windows, Network, File Storage, Databases (MS SQL, Oracle, DB2, Postgres, MySQL), Message Queuing, Kubernetes, Event Services, security, encryption, key management, automation, service management, observability, resiliency, DR and DR testing, regulator compliance, DORA
Performance and response time analysis and improvement, Tax office digital services
Tax office
- Led one month investigation of performance and response time issues
- Identified root causes, recommended improvements, and introduced best practice architecture patterns
- After improvements, the system scaled and properly performed
- Technologies: Public Cloud, web services, API Gateway, Load Balancing, transaction processing, Linux
Leader performance/resiliency analysis and risk assessment, airline reservation protocol
Air Canada
- Led one month assessment and identified root causes of performance and resiliency issues after airline reservation system migration from mainframe to distributed system
- Pointed out invalid design choices and proposed modifications leading to proper performance and scaling in production
- Technologies: z/OS, MQ message queuing, transaction processing, Hybrid Cloud, AIX, Power Server, IBM Cloud, observability, network, RFC 2351
Solution architecture quality assurance, multi zone cloud region for major Bank
BNPP
- Responsible for quality assurance of Hybrid Cloud architecture
- Successful delivery in operation across three cloud data centers with thousands of systems migrated
- Technologies: Hybrid Cloud, IBM Cloud, VMWare, Kubernetes, OpenShift, Postgres, Linux, Windows, service management, observability, security, encryption, key management, compliance, DORA
Leader architecture public Cloud landing zone, Banking
Lloyds Bank
- Responsible for creation and quality assurance of cloud architecture
- Successful delivery in operation and migration volumes achieved according to plan
- Technologies: Public Cloud, IaaS, VMWare, Linux, NetApp storage, network, service catalog development, automation, service management, observability, resiliency, UK banking regulations compliance
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 (9 years), Information Technology (2 years), Healthcare (2 years), Transportation (1 year), Insurance (1 year), and Government and Administration (1 year).
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 (9 years), Quality Assurance (7 years), Product Development (2 years), Operations (1 year), and Audit (1 year).
Summary
Highly accomplished Technical Executive and Organization Leader with extensive experience in hybrid multi-cloud solutions, software development, and cloud architecture and delivery. Trusted partner of global enterprises driving business value through innovative technology. Proven success delivering resilient, mission-critical solutions for international clients in regulated industries.
Skills
- Hybrid It Architecture
- Resilient Solution Design
- Complex Development Projects
- Innovation Management
Languages
Education
Stuttgart Vocational Academy
Diploma in Engineering (BA) · Computer Science · Stuttgart, Germany
Schiller High School, Offenburg
Offenburg, Germany
Certifications & licenses
Architecting With Google Cloud Platform Specialization
Microservices Practitioner Essentials
Docker Essentials: Extend Your Apps With Containers
IBM Blockchain Essentials
Profile
Frequently asked questions
Do you have questions? Here you can find further information.
Where is Boas based?
What languages does Boas speak?
How many years of experience does Boas have?
What roles would Boas be best suited for?
What is Boas's latest experience?
What companies has Boas worked for in recent years?
Which industries is Boas most experienced in?
Which business areas is Boas most experienced in?
Which industries has Boas worked in recently?
Which business areas has Boas worked in recently?
What is Boas's education?
Does Boas have any certificates?
What is the availability of Boas?
What is the rate of Boas?
How to hire Boas?
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 Technical Leader and Executive Sponsor, AI Solution Assistant
Nearby freelancers
Professionals working in or nearby Filderstadt, Germany