Recommended expert

Boas Betzler

CTO, Complex Cloud Solutions

Boas Betzler
Filderstadt, Germany

Experience

Jan 2025 - Dec 2025
1 year

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
Jan 2025 - Dec 2025
1 year
Netherlands

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
Jan 2025 - Dec 2025
1 year
Germany

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
Jan 2024 - Dec 2024
1 year
Germany

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
Jan 2024 - Dec 2024
1 year

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
Jan 2024 - Dec 2024
1 year

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
Jan 2023 - Dec 2023
1 year

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
Jan 2022 - Dec 2025
4 years

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
Jan 2021 - Dec 2021
1 year

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
Jan 2020 - Dec 2020
1 year

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
Jan 2019 - Dec 2025
7 years
France
Hybrid

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
Jan 2017 - Dec 2019
3 years
United Kingdom

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).

Banking and Finance
Information Technology
Healthcare
Transportation
Insurance
Government and Administration

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).

Information Technology
Quality Assurance
Product Development
Operations
Audit

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

German
Native
English
Advanced
French
Elementary
Hindi
Elementary

Education

Oct 1992 - Jun 1995

Stuttgart Vocational Academy

Diploma in Engineering (BA) · Computer Science · Stuttgart, Germany

Oct 1986 - Jun 1992

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

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Boas based?

Boas is based in Filderstadt, Germany.

What languages does Boas speak?

Boas speaks the following languages: German (Native), English (Advanced), French (Elementary), Hindi (Elementary).

How many years of experience does Boas have?

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.

What roles would Boas be best suited for?

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.

What is Boas's latest experience?

Boas's most recent position is Technical Leader and Executive Sponsor, AI Solution Assistant.

What companies has Boas worked for in recent years?

In recent years, Boas has worked for Schiphol airport, Software company or healthcare providers, Major European Bank, Major German Insurance, and Caixa.

Which industries is Boas most experienced in?

Boas is most experienced in industries like Banking and Finance, Information Technology (IT), and Healthcare. Boas also has some experience in Transportation and Logistics, Insurance, and Government and Public Administration.

Which business areas is Boas most experienced in?

Boas is most experienced in business areas like Information Technology (IT), Quality Assurance (QA), and Product Development. Boas also has some experience in Operations and Audit.

Which industries has Boas worked in recently?

Boas has recently worked in industries like Banking and Finance, Information Technology (IT), and Healthcare.

Which business areas has Boas worked in recently?

Boas has recently worked in business areas like Information Technology (IT), Quality Assurance (QA), and Product Development.

What is Boas's education?

Boas holds a Bachelor in Computer Science from Stuttgart Vocational Academy.

Does Boas have any certificates?

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.

What is the availability of Boas?

Boas is immediately available part-time for suitable projects.

What is the rate of Boas?

Boas's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Boas?

To hire Boas, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Market avg: 790-950 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.