Boas Betzler-CTO, Complex Cloud Solutions
Check rate
Experience
Technical Leader and Executive Sponsor, AI Solution Assistant
- Product owner and Executive Sponsor for AI Assistant trained on a knowledge base of past solution designs, RFP documents, and current product documentation
- Used by close to 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 material, 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 one week assessment of major misplaced baggage incidents, detailing root cause, identifying architecture and operational risks, and recommending improvements
- Technologies: On-prem 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 dental software provider
- Assessment of technology choice for virtualization, container and Postgres database
- Identification of installation inhibitors, review of automation for install and data migration
- Analysis of system requirements and competitive analysis of 6 competitors in the German dental software industry
- Analysis of performance challenges and recommendations on improvements
- Technologies: Hardware for small-medium dental healthcare providers, Windows, Linux, macOS, HyperV, Docker, local network, Postgres, Grafana, FHIRE healthcare interface standard, Germany Richtline §75b SGB - Schutz sensibler Patientendaten in Arztpraxen und Medizinischen Versorgungszentren
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, regulator requirement, GDPR
Product owner, Zone-replicated Managed File Service Public Cloud
- Responsible for requirement documentation and delivery of functional and non-functional capabilities of synchronous replicated file system
- Technologies: Public Cloud, Linux, Windows, network, cross datacenter 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
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Banking and Finance, Information Technology, Healthcare, Transportation, Insurance, and Government and Administration.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Quality Assurance, Product Development, Operations, and Audit.
Summary
Highly accomplished Technical Executive and Organization Leader with extensive experience in Hybrid Multi-Cloud solutions, software development, and cloud architecture/delivery. Trusted partner of global enterprises diving 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
Berufsakademie Stuttgart
Dipl.-Ing. (BA) · Computer Science · Stuttgart, Germany
Schiller Gymnasium Offenburg
Offenburg, Germany
Certifications & licenses
Architecting With Google Cloud Platform Specialization
Microservices Practitioner Essentials
Docker Essentials: Extend Your Apps With Containers
IBM Blockchain Essentials
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Boas is based in Filderstadt, Germany.
Boas speaks the following languages: German (Native), English (Advanced), French (Elementary), Hindi (Elementary).
Boas has at least 9 years of experience. During this time, Boas has worked in at least 12 different roles and for 9 different companies. The average length of individual experience is 1 year and 9 months. Note that Boas may not have shared all experience and actually has more experience.
Based on recent experience, Boas would be well-suited for roles such as: Technical Leader and Executive Sponsor, AI Solution Assistant, Leader resiliency incident assessment, Airport baggage handling system, IT Consultant.
Boas's most recent position is Technical Leader and Executive Sponsor, AI Solution Assistant.
In recent years, Boas has worked for Schiphol airport, Software company or healthcare providers, Major European Bank, Major German Insurance, and Caixa.
Boas is most experienced in industries like Banking and Finance, Information Technology, and Healthcare. Boas also has some experience in Transportation, Insurance, and Government and Administration.
Boas is most experienced in business areas like Information Technology, Quality Assurance, and Product Development. Boas also has some experience in Operations and Audit.
Boas has recently worked in industries like Banking and Finance, Information Technology, and Healthcare.
Boas has recently worked in business areas like Information Technology, Quality Assurance, and Product Development.
Boas holds a Bachelor in Computer Science from Berufsakademie Stuttgart.
Boas has 4 certificates. Among them, these include: Architecting With Google Cloud Platform Specialization, Microservices Practitioner Essentials, and Docker Essentials: Extend Your Apps With Containers.
The availability of Boas needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 26 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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