11/09/2026 updated

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AWS Certified Cloud Architect with 12+ Years IT Consulting Experience

Osijek, Croatia
Worldwide
BS in Computer Engineering
Osijek, Croatia
Worldwide
BS in Computer Engineering

Profile attachments

zoran_pajeska_cv.pdf

About me

AWS Architect | 12+ YoE | AWS Tech Lead | Platform | DevOps | Cybersecurity | Compliance | Healthcare | LLM | ML Security and Compliance | MLOps | End to End Infra Solutions

Amazon Web ServicesAmazon Elastic Compute CloudClient Server ModelsCertificate of Cloud Security KnowledgeCloud ComputingCloud Computing SecurityCloud EngineeringCloud TestingApache CloudStackEnterprise Architecture FrameworkIBM Cloud ComputingSoftware ArchitectureCloud ServicesSun Certified Enterprise Architect (SCEA)Solution ArchitectureAWS CDKCloud Platform SystemIT ArchitectureRegistered ArchitectAWS LambdaCloud TechnologiesAWS VPCAWS ECSCloudformationAWS AuroraCloud MigrationCloud IntegrationCloud OptimizationOracle Cloud InfrastructureCloud Management PlatformsDevSecOpsAWS EKS
https://zoranpajeska.de

I help organizations modernize technology, accelerate cloud adoption, and build engineering platforms that enable business growth.
Over the past 12+ years, I've partnered with enterprise customers across Germany and the US to design and deliver cloud transformation initiatives, including AWS migrations, platform engineering, DevSecOps, security, and operational excellence. My focus has evolved from building infrastructure to helping organizations make better technology decisions, align engineering with business goals, and scale cloud capabilities.
My experience spans:
• Enterprise Cloud Strategy and Transformation
• AWS Architecture and Platform Engineering
• Executive Technical Advisory
• Cloud Migration and Modernization
• DevSecOps and Security
• AI-Ready Cloud Platforms
• FinOps and Cloud Cost Optimization
• Engineering Leadership and Mentoring
• Customer Success and Strategic Pre-Sales
• Project delivery

I enjoy working with executive stakeholders, engineering leaders, and delivery teams to solve complex technology challenges while creating practical roadmaps that deliver measurable business outcomes.

If you need to move to AWS, scale an existing cloud practice, or strengthen security and compliance, let's talk.

Experience

Professional experience10+ years
Freelancer since2020

Languages

GermanGoodEnglishFluentSlovakNative speakerCroatianNative speaker

Project history

Owner, AWS Tech Lead

Come to the Clouds Ltd.
Leading AWS-related consulting projects, providing scalable DevOps and platform solutions, consulting on cloud-native methods and AWS infrastructure development

Principal AWS Architect

Pharmaceuticals & Medical Technology

50-250 team member

BioTech Cloud Platform & Compliance Enablement
Designed and implemented a secure, compliant AWS organizational structure for BioTech incubator clients, providing scalable infrastructure for tenant startups while ensuring regulatory adherence.
Established enterprise-grade CI/CD pipelines and platform automation to accelerate product delivery, standardize deployment processes, and enable operational excellence.
Led integration of tenant products and laboratory systems into the cloud platform, enabling secure, compliant data hosting and collaboration.
Defined and enforced security, governance, and compliance frameworks for sensitive patient and research data, supporting standards such as German C5, German Kristish, GDPR, HIPAA, and GxP.
Guided and mentored startup teams on AWS best practices, establishing platform standards, operational models, and a Cloud Center of Excellence (CCoE).
Enabled laboratories and research systems to securely connect to AWS, providing compliant, auditable, and scalable data repositories.

Technology Stack:
AWS, IAM, KMS, Proxy, Security, ACM, SSM, Terraform, EC2, RDS, DynamoDB, API Gateway, Network Load Balancer, Application Load Balancer, AWS Config, CloudTrail, GuardDuty, SecurityHub, SCPs
BioTech & Healthcare Domain Expertise:
C5 Compliance, Kristish, GDPR, HIPAA, GxP, Patient Data Hosting, Lab Data Integration, Startup Cloud Enablement

Prinipal AWS Architect

Pharmaceuticals & Medical Technology

250-500 team member

Lead the migration of 2 hospitals to AWS
Led the strategic assessment and modernization of hospital applications and on-premises infrastructure, defining a compliant AWS cloud platform tailored to healthcare and regulatory requirements.
Architected a secure, C5-compliant cloud environment, establishing governance, auditability, encryption, and security controls to meet German healthcare and data protection standards.
Designed and implemented enterprise-grade CI/CD and a Cloud Center of Excellence (CCoE), enabling standardized delivery, operational excellence, and organizational alignment.
Implemented cost optimization and capacity reservation strategies, balancing financial efficiency with high availability for clinical and administrative systems.
Delivered managed cloud services for hospital personnel, enabling secure access, operational continuity, and support for critical healthcare workflows.
Served as a strategic advisor to healthcare leadership, ensuring the platform supported compliance, patient data protection, and long-term digital transformation.
Technology Stack:
AWS, IAM, KMS, Proxy, Security, ACM, SSM, Terraform, EC2, RDS, DynamoDB, API Gateway, Network Load Balancer, Application Load Balancer, C5 Compliance (AWS Config), AWS CloudTrail, GuardDuty, AWS Security Hub, SCPs, GitHub Actions, Windows, Managed AD, PKI

Principal AWS Architect

Internet & IT

50-250 team member

AWS Platform Transformation & Security Strategy
Defined and executed the cloud platform strategy, modernizing the existing environment to AWS best practices with a focus on scalability, security, and long-term operational excellence.
Established a comprehensive security, compliance, audit, and encryption framework, ensuring governance, regulatory readiness, and enterprise-grade risk management.
Led the modernization of the container platform, refactoring legacy components into AWS-native services to improve reliability, performance, and maintainability.
Provided hands-on architectural leadership across development and infrastructure initiatives, aligning technical execution with business priorities.
Acted as a strategic partner to executive stakeholders during the client’s Series B funding round, strengthening the platform’s credibility, security posture, and investor readiness.
Built and scaled the platform engineering team, setting standards for cloud operations, automation, and delivery excellence.
Technology Stack:
AWS, CloudTrail, Config, KMS, Proxy, Security, CloudFront, Cloudflare, S3, Route 53, ACM, SSM, CloudFormation, Terraform, EKS, Lambda, IAM, GitHub Actions, AWS Backup, Disaster Recovery (DR) strategies and implementations

Principal AWS Architect

Banking & Financial Services

>10.000 team member

Insurance Cloud Platform
Defined and implemented the AWS organizational and governance strategy for multiple insurance clients, establishing a secure, scalable foundation aligned with regulatory and enterprise requirements.
Built standardized CI/CD frameworks and delivery pipelines, enabling consistent, auditable, and high-quality platform deployments across product teams.
Led the integration of core insurance products into the cloud platform, aligning technical architecture with business objectives and time-to-market priorities.
Architected a secure data mesh platform using AWS Lake Formation, enabling controlled data sharing, domain ownership, and enterprise-grade data governance.
Established cloud security, compliance, and access control standards, ensuring audit readiness, data protection, and adherence to industry regulations.
Coordinated cross-functional product and engineering teams to define AWS best practices, platform standards, and a Cloud Center of Excellence (CCoE) operating model.
Acted as a strategic advisor to stakeholders, guiding cloud adoption, data strategy, and long-term platform evolution.
Technology Stack:
AWS, IAM, KMS, Proxy, Security, ACM, SSM, Terraform, EC2, RDS, DynamoDB, API Gateway, Network Load Balancer, Application Load Balancer, AWS Config, AWS CloudTrail, GuardDuty, AWS Security Hub, SCPs

Principal AWS Architect

Internet & IT

Order Hub for e-commerce

Led the strategic modernization of a legacy SOA architecture into a scalable, cloud-native platform for a major e-commerce organization, enabling long-term agility and operational resilience.
Defined the target architecture for a centralized order management hub, aligning integration strategy with business growth, reliability, and performance objectives.
Established cloud governance, security, and encryption standards to ensure enterprise-grade compliance, data protection, and operational control.
Drove organizational enablement by mentoring and upskilling engineering teams on AWS best practices, accelerating adoption and improving delivery quality.
Orchestrated cross-functional collaboration across multiple teams to ensure alignment, timely execution, and successful rollout of the new platform.
Positioned the platform as a strategic foundation for future integrations, scalability, and business innovation.
Technology Stack:
AWS, IAM, KMS, Proxy, Security, ACM, SSM, Terraform, API Gateway, SQS, Kafka, Lambda, GitHub Actions, SOA, Integrations

Senior AWS Architect

Pharmaceuticals & Medical Technology

50-250 team member

AWS Infrastructure Design for SaaS Platform
Defined the cloud architecture strategy for a scalable, secure SaaS offering, aligning infrastructure design with business growth, reliability, and compliance objectives.
Established a multi-account AWS governance model, implementing enterprise security controls, access management, and operational best practices.
Led the design of cross-account CI/CD and monitoring frameworks, enabling consistent delivery, auditability, and operational visibility across environments.
Optimized content delivery and caching strategies to improve performance, reduce latency, and control operational costs at scale.
Provided architectural leadership to ensure the platform was resilient, automation-driven, and ready for long-term expansion.
Technology Stack:
AWS, API Gateway, CloudFront, Route 53, ACM, SSM, CloudFormation, Lambda, IAM, AWS Pipeline, AWS CodeBuild, AWS Backup

AWS Architect

Pharmaceuticals & Medical Technology

50-250 team member

Migration of Microsoft Workloads to AWS
Led the end-to-end cloud transformation of Microsoft-based workloads, transitioning legacy on-premises infrastructure to a secure, scalable AWS environment.
Defined the AWS account architecture and governance framework, establishing enterprise security standards and compliance best practices.
Directed the migration of full data center services to AWS, ensuring business continuity, risk mitigation, and minimal operational disruption.
Modernized infrastructure through automation and cloud-native services, improving reliability, performance, and long-term operational efficiency.
Provided strategic leadership on cloud adoption, enabling the organization to accelerate innovation while strengthening security and cost control.
Technology Stack:
AWS, Windows, Route 53, ACM, SSM, CloudFormation, Lambda, IAM, Docker, AWS Pipeline, AWS Backup

AWS Architect/Consultant

Enterprise customer, media

Media & Publishing

500-1000 team member

Led the assessment and modernization of on-premises and AWS infrastructure to improve security, scalability, and operational resilience.
Defined the AWS account strategy and governance model, implementing enterprise-grade security best practices.
Drove cloud transformation initiatives, including the migration of data center services and business-critical workloads to AWS.
Established automation standards for infrastructure and delivery pipelines, improving deployment efficiency and reliability.
Strengthened the organization’s security posture by identifying risks, resolving vulnerabilities, and introducing scalable proxy and access control solutions.
Optimized cloud architecture and caching strategies to enhance performance, cost efficiency, and customer experience.
Led infrastructure planning and execution for high-visibility annual streaming events, ensuring stability and performance during peak demand.
Served as a trusted executive advisor for Cloud and DevOps strategy, guiding stakeholders on architecture, best practices, and long-term technology direction.

Certificates

AWS Certified Security - Specialty

AWS

2019

AWS Certified Solutions Architect - Professional

AWS

2018

AWS Certified DevOps Engineer - Professional

AWS

2018

AWS Certified SysOps Administrator - Associate

AWS

2017

AWS Certified Solutions Architect - Associate

AWS

2017

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