Google Cloud Platform Experts in Cologne

Hooman Behmanesh

Fullstack Developer

Last position:

Fullstack Developer at Möbel Roller GmbH

Further development of the existing e-commerce platform based on SAP Commerce (Hybris) to meet the growing demands of digital commerce.
Ensuring the scalability and performance of the backend, so the platform remained stable and efficient even under heavy user load.
Development and integration of new OCC REST APIs and services for modular extensions and flexible adjustments, to implement new features quickly.
Optimization of data flows and interfaces, which significantly improved platform efficiency and system performance.
Ensuring a maintainable and scalable code base by using Clean Code principles, proven design patterns, and a future-proof architecture.
Reduction of errors through extensive testing with JUnit, Mockito, and load tests with Gatling, supported by the introduction of automated test processes.
Improved system performance through targeted refactoring measures and efficient database queries, especially to handle peak loads.
Use of modern cloud and monitoring tools such as Kubernetes, Google Cloud Platform (GCP), and Grafana to ensure a stable and monitored infrastructure.
Clear improvement in efficiency, scalability, and reliability of the platform, which now meets the demands of a dynamic and growing e-commerce market.

Nenad Biresev

Freelance Computer Vision Engineer

Bonn

Last position:

Safety Video Analytics Project for Airbus at Airbus

Developed a real-time video analytics proof-of-concept for deployment on NVIDIA Jetson edge devices.
Implemented DeepStream pipelines including object detection, tracking, human pose estimation, face anonymization, and zone intrusion detection.
Built a Qt/Python demonstration UI interfacing with the AI pipeline via REST APIs.

Beshr Alnirabieh

Data & Business Analyst | Business Intelligence | AI & Automation

Bonn

Last position:

System Administrator – HealthCare IT & Data Infrastructure at Cellitinnen Hospital Association

Integration of medical modalities (including ultrasound) into the existing IT infrastructure (DICOM, HL7) – put into operation within the planned timeframe.
Administration and optimization of PACS systems for efficient archiving and distribution of radiology image data across multiple locations.
Ensuring consistent data quality and seamless interoperability in data exchange between HIS, RIS, and PACS.
Close collaboration with medical staff to analyze and digitally optimize clinical workflows.
Requirements management and test coordination when implementing clinical requirements in complex IT structures.

Baris Ekici

Senior Cyber Security Consultant | Cyber Defense, DFIR & Security Architecture

Last position:

Founder / Product & Security Architect at Pirpirik

Perform secure code reviews and provide secure-coding guidance across the application and platform architecture.
Engineer infrastructure security and design security-monitoring architecture, incident-response playbooks and Security-by-Design controls.

Yannick Tessa

Cloud Architect

Bergisch Gladbach

Last position:

Cloud Architect at Anonymous

Implementation of Infrastructure as Code (IaC) with Terraform to ensure a scalable, repeatable, and secure Azure infrastructure
Implementation and optimization of CI/CD pipelines with Azure DevOps
Management of container and server environments and AKS

Markus Glagla

Full Stack Developer

Frechen

Last position:

Full Stack Developer at REWE Digital

A warehouse valuation system was reimplemented using Java, Spring Boot, and Camunda. The backend solution focuses on integration and batch calculations, the frontend on managing formulas and reviewing results.
Java 21
Spring Boot
JPA
Maven
REST
Kafka
PostgreSQL
DB2
Liquibase
Google Cloud Storage
Keycloak
GitLab CI/CD
Helm
Terragrunt
SonarQube
Angular
IntelliJ
JUnit 5
Mockito
Open API

Valeri Milke

Associate Partner - Information Security Consulting

Bonn

Last position:

Associate Partner - Information Security Consulting at Insentis GmbH

Improvement of the Information Security Management System (ISMS) based on ISO 27001, NIS2, DORA, B3S, TISAX and BSI IT Baseline Protection
Conducting comprehensive gap analyses to identify gaps and derive action plans according to the above standards and regulations; management and KPIs
Data Loss Prevention strategy and implementation using MS Purview
Vulnerability and patch management, security monitoring
Risk analysis and threat modeling using the STRIDE methodology
Development of vendor risk assessments, implementation of risk classifications, conducting supplier assessments and implementing technical monitoring solutions (e.g. Security ScoreCard)
Securing cloud environments (AWS and Azure); expertise in CSPM/CNAPP (Wiz), cloud migration, secure CI/CD pipelines, container security and best practices in AWS, Azure and Office 365
Application security: penetration testing, DevSecOps, OWASP, pre-commit hooks, key and secret management, IDE plugins, static source code analysis, dependency checks, container scanning, vulnerability management, CIS benchmarks and compliance
Security assessment and hardening according to CIS benchmarks and cloud conformity in AWS, Office 365 and Azure

Armen Markarian

Interim CTO | Transformation Leader

Odenthal

Last position:

CTO/CPO Platform & Technology at Green Mobility Holding

Overall responsibility for platform transformation across ERP, CRM, PIM, and AI-driven process automation
ERP transformation: Implementing and migrating to Microsoft Dynamics 365 Business Central
CRM & growth stack: Implementing HubSpot as the central CRM and a platform for lead and marketing automation
Product data & commerce enablement: Introducing an ePIM to scale category management and digital commerce processes
AI-driven process automation: Designing and implementing agent-based AI workflows to automate processes in business services, accounting, tender management, and marketing
Building a scalable platform organization including product development, DevOps, UX, cloud engineering, and corporate IT
Implementing modern product and portfolio governance (e.g., OKRs, portfolio boards, value-based roadmaps) to manage technology-driven initiatives
Harmonizing heterogeneous system landscapes and transforming them into a modular, scalable platform architecture (ERP, CRM, PIM, integrated customer journeys)
Coaching and developing product owners, tech leads, delivery managers, and UX teams to build a scalable product organization

Eberhart Niemes

Service and Change Manager; Project Manager

Last position:

Service and Change Manager; Project Manager at Uniper-Energy

Project manager for transition and migration of IPC Trader Telephony to 3CX-based dispatcher and Cloud9-based trader telephony
Planned and managed company-wide replacement of IPC Trader Telephony with 3CX and Cloud9 solutions
Continuous improvement of implementation processes and development and execution of optimization measures
Planned, coordinated and tracked delivery of IT equipment and service provision at all sites
Led a team of IT site managers to ensure IT services were delivered on time, within budget and with required quality
Defined project scope in coordination with all business resources
Planned and executed software and hardware rollouts, including user support during implementation
Communicated with key customers and service organizations and collaborated with traders, telephony architects, app owners, testers and technical IPC teams
Conducted stakeholder analysis for creation and maintenance of change management processes
Managed full change process: prepared change requests, defended them in change board, communicated at company and user level, and supported change implementation

Panagiotis Aggelopoulos

Group Chief Technology Officer & Managing Director

Last position:

Group Chief Technology Officer & Managing Director at HRS Group

Steered HRS Group's technology landscape across ProcureTech, TravelTech, FinTech, BPATech, and Data domains. Co-owner of the product strategy, directly supporting IPO readiness through enhanced SaaS scalability, rapid product innovation, and fortified cybersecurity. Pioneered data- and AI-driven platforms for Fortune 500 clientele.
Growth & efficiency through HRS PAY: Developed the HRS PAY platform, slashing transaction processing time by 80% and raising customer satisfaction by 40%, catalyzing a 15% customer expansion and 20% booking leakage reduction.
AI-driven value creation in back-office automation: Launched a real-time AI copilot tool, driving a 28% upsell in VAT reclaim services, advancing policy compliance and cost savings for enterprise clients.
Engineering scale for growth: Rapidly scaled the engineering org from 200 to 350 engineers, increasing squads from 15 to 35+, aligning talent and resources with growth targets via OKRs and Amazon’s “Working Backwards” approach.
Product flywheel & input/output metrics: Applied product flywheel model and robust metrics (cycle time, deployment frequency), fostering rapid development while maintaining high resilience and quality.

Andreas Ernst

Consultant

Bergisch Gladbach

Last position:

Consultant at Iteratec GmbH

Stanislav Stolberg

Senior IT Consultant and Digitalization

Köln

Last position:

Interim CTO / IT Consultant (Cloud & App Security · AI & Web3) at Deutsche Bank Group; Startups

Spearheaded strategic and operational oversight of IT infrastructures to accelerate innovation and ensure audit-proof delivery.
Acted as key liaison between management, business departments, and engineering, actively engaging in coding, cloud architecture, and CI/CD to resolve critical path challenges.
Engineered and implemented an AI Governance Program to manage risks and ensure compliance with the EU AI Act, reducing AI use-case approval times from 8 to 3 weeks.
Delivered and deployed secure AI systems into production (RAG-based knowledge platforms), resulting in a 35% decrease in standard support ticket volume.
Established robust security standards and governance frameworks for APIs (OAuth2/OIDC, mTLS) and cloud platforms (AWS/GCP) to guarantee compliance and system integrity.
Hardened cloud infrastructure by implementing Zero Trust principles and a comprehensive observability stack (logging/alerting), achieving 99.9% availability in a 24/7 on-call environment.

Alexander Vasiliev

Software Architect / Software Engineer / Tech Lead

Last position:

Senior DevOps / Platform Engineer at Kaufland e-commerce / real.digital (ex hitmeister.de)

Evolved the platform from bare-metal infrastructure with a monolithic PHP application to a hybrid Google Cloud architecture with Go microservices on Kubernetes
Managed and scaled a production infrastructure with 300+ VMs and dozens of clusters, including MySQL, PostgreSQL, MongoDB, RabbitMQ, Redis and Elasticsearch clusters
Designed architecture, deployment, monitoring, performance analysis, and upgrades for all platform services using Terraform and Ansible
Migrated observability systems from ELK and Prometheus to Datadog, managed with Terraform
Introduced Jenkins CI/CD with SonarQube integration and automated tests to speed up feedback cycles
Containerized the testing environment and implemented GitLab CI pipelines for Docker image builds, static code analysis, and infrastructure tests
Performed zero-downtime migrations of MySQL and MongoDB clusters to Google Cloud
Developed reusable Ansible roles for database clusters and automated data obfuscation for staging environments
Decomposed monolithic databases and migrated to microservice architectures
Built tools to detect and optimize slow queries in MySQL and MongoDB
Conducted online schema migrations with pt-online-schema-change without downtime windows
Developed internal Go applications for batch queries, GitLab-Jira integration, and MongoDB backup recovery
Technologies: Debian, Ubuntu, Alpine, Go, Bash, Python, PHP, SQL, GitLab CI, Jenkins, Drone CI, MySQL, MongoDB, PostgreSQL, Redis, Elasticsearch, RabbitMQ, Kafka, Docker, Kubernetes, Nomad, Ansible, Terraform, Grafana, ELK, Prometheus, Datadog, Nagios, Zabbix, Nginx, HAProxy, Vault, Helm, SonarQube, Filebeat, Auditbeat, Google Cloud, AWS

Pierre Gronau

Ansible Automation, Windows Third Level Support

Last position:

Ansible Automation, Windows Third Level Support at DB InfraGO AG

PRISMA project
Ansible automation
Windows third level support for Windows NT, Windows 2000, Windows 2013, Windows 2016, Windows 2019

Jeanne Yap

Process Engineering Intern