• Conceptualized and designed a Landing Zone for PowerApps applications within the Azure cloud environment.

Used technologies, Tools and Methodologies
Kubernetes, CrossPlane, Azure, Golang

• Conducted vulnerability scans of infrastructure to identify security weaknesses
• Implemented hardening measures to improve the security posture of the infrastructure.
• Performed penetration testing to assess system resilience against attacks.

Used technologies, Tools and Methodologies
Golang, Kubernetes, REDHAT, SLES, Docker, NMAP

• Coordinated AWS-related changes with stakeholders, ensuring alignment and effective communication.
• Optimized AWS resources for cost and performance, achieving on Some Services savings of %90 Percent.
• Enhanced the Disaster Recovery (DR) strategy and pipelines
• Advised development teams on designing highly available (HA) systems, promoting best practices.
• Improved the system's security posture

Used technologies, Tools and Methodologies
AWS Backup, Security, AWS WAF, Cloudflare, EC2, Aurora, EKS, Apprunner, Containers, Docker, High Availability, Disaster Recovery

• Provided consulting services to clients migrating SAP systems to the cloud, focusing on AWS

Used technologies, Tools and Methodologies
SAP, Data Analytics, EC2, SAP Activate, Cost Optimization, High Availability, Disaster Recovery

• Hardened multiple environments against identified vulnerabilities, improving overall security.
• Enhanced the development environment with CI/CD pipelines using GitHub Actions, streamlining the software delivery process.
• Implemented network firewalls and a transient gateway to secure communication between VPCs and the internet.
• Integrated AWS infrastructure with APIGEE (Google's REST API Gateway) running on GCP, enabling secure API access.

Used technologies, Tools and Methodologies
Terraform, Amazon Inspector, Amazon Code Build, Amazon Code Deploy, Amazon Code Pipeline, APIGEE

• Automated and optimized cloud infrastructure creation for prospective customers.
• Developed a web portal for users to request infrastructure for POCs.
• Containerized server systems using Docker, improving portability and scalability.
• Automated recurring tasks using AWS Lambda functions, increasing efficiency.
• Implemented Infrastructure as Code (IaC) using CloudFormation and Terraform for automated infrastructure deployments.
• Created a VDI infrastructure using Workspaces and AppStream to provide secure access to the environments.

Used technologies, Tools and Methodologies
Terraform, Amazon Inspector, Amazon Code Build, Amazon Code Deploy, Amazon Code Pipeline, APIGEE

• Rollout of Fiskalisierung in Austria for GK Cash Registers
• Requirements gathering
• 3rd. Level Support

Used technologies, Tools and Methodologies
GK Cash Registers

• Submitting a Proposal to Migrate 53 on premise SAP Servers (Prod/Dev/Test) to the AWS cloud.
• During this migration, 23 instances that use Oracle DB should have been transformed to SAP HANA and 30 environments migrated via Lift&Shift
• The main objective of the customer is to optimize the environment for cost and agility and minimize its IT footprint.

Used technologies, Tools and Methodologies
SAP HANA, SAP ASE, Software Update Manager (SUM), database migration option (DMO), Cloudformation, System Manager, EC2, Lambda, Route53, S3, Glacier, AWS Direct Connect, Palo Alto, Kaspersky

• Analyzing the Onpremise and AWS Cloud infrastructure and reporting the requirements needed to fullfill the PCI/DSS 3.2.1 requirements

Used technologies, Tools and Methodologies
AWS, Datenzentren, SAP Hybris, SAP, ADOBE Experience Manager

• Ensuring that communication within the internal and external network is PCI/DSS compliant. That communication is established over TLS 1,2 only and using strong ciphers.
• Establishing systems to track customer readiness and F5 configuration monitoring.
• Coordination of remote and onsite teams that handle the Application, Server and Cloud infrastructure.
• Design of Software Solutions that are used to track vulnerabilities.

Used technologies, Tools and Methodologies
AWS Cloud, Amazon ECS, Kubernetes, System Architecture, JIRA, Confluence, SLA, Network scanners, Nmap, Citrix, Thin / Fat-Client, TLS-Scanner, Security, Vulnerability-Scanner, Elastic Search, Kibana

• The optimized routes were then transferred to the phone of the driver (The Ionic framework was used to establish a solution for iPhone, Android and Windows based Phones)
• Development of a Software Solution that optimizes destinations that are entered through an API either based on Time or Distance
• For scalability the Google FIREBASE database was used.

Used technologies, Tools and Methodologies
Google Maps, Google Cloud Platform, Microservices, Google Functions, Docker, Google Firebase, IONIC Framework, PHP, Node.JS, Angular JS, Maria DB, FIREBASE, HTML, CSS, Java Script

• Responsible for the design of the Application and Technology Architecture and managing their implementation for the Retail sector.
• Leading workshops to analyze the IS State and gather customer requirements.
• Monitoring and Reporting the project status, ensuring that the project is within the defined budget, quality and proceeding according to plan.
• Responsible for the delivery of Licenses, Software and integrating our systems to services provided by 3rd parties.

Used technologies, Tools and Methodologies
System Architecture, JIRA, Confluence, SAP, SAP-HANA, Oracle, MS-SQL, Java, IIS, Tomcat, NetWeaver, POS, Label and Poster Printing, Scale, Self-Checkout

• Gathering requirements and designing the System and Software Architecture.
• Problem management, Incident Management and ensuring that they are solved within the time frame specified by the SLA.
• Working in multicultural environment acting as single point of contact between Product Owners across Europe and the Development and Test Teams in Turkey.
• Designing, preparing and updating the required documents, tools and reports informing stakeholders about the Project status.
• Ensuring that the customer system environment (CMDB) is kept up to date.
• As a Product Owner was responsible for developing a new Software Solution. (modernisation of an existing system)

Used technologies, Tools and Methodologies
Product Owner, BPMN, SDLC, SLA, KPI, VoIP, SIP, HFA, TDM, Unified Communications, C, C++, ECL, Java, PHP, Perl, Soft Clients

• Responsible for two Software Applications to enhance customer satisfaction.
• Problem and Incident Management, Root cause analysis, release Management.
• Ensuring that problems were solved, within the times defined by the SLA.
• Regular reporting regarding for Management about Incidents and Problems.
• Requirements gathering.

Used technologies, Tools and Methodologies
ITIL, SLA, User Management, Fault Management, Quality of Service Management, (BSS/OSS) , Java,

• Was responsible for the ERP upgrade of a newly Acquired German company and its integration with the SAP system.
• Responsible of elevating the level of services provided by the IT department using COBIT and ITIL
• Implementing solutions to automate processes in Automotive Manufacturing.

Used technologies, Tools and Methodologies
COBIT, ITIL, IT Service Management, Project Management

• Responsible for enhancing their Software Solution based on customer Requirements.

Used technologies, Tools and Methodologies
Visual Basic 6, ASP, .NET, Jasper Reports, UML

• Porting a Software Monitoring Server System, running under HP-UX, to a Server-Client System that would, on the client side run on Windows Desktop Computers.
• The system was used to evaluate the Quality of the spraying process of Automobiles.

Used technologies, Tools and Methodologies
PASCAL, DELPHI, C, C++, UML

• Visual Basic for Beginners
• Visual Basic for experienced programmers
• Programming for the Web