Co-Founder / Managing Director

• Jan 2020 - Present

Guida is a Rotterdam-based managed services provider in Cloud Native and Kubernetes technology. Guida is proudly part of the Intermax Group. Let us help with the journey to Cloud Native and adoption of Kubernetes: - We build cloud-native platforms on public (AWS, Azure, GCP) and private cloud (Intermax). - We deliver support via a DevOps/SRE operating model. - We train your engineers to build, deploy and operate cloud-native applications. Guida is a Rotterdam-based managed services provider in Cloud Native and Kubernetes technology. Guida is proudly part of the Intermax Group. Let us help with the journey to Cloud Native and adoption of Kubernetes: - We build cloud-native platforms on public (AWS, Azure, GCP) and private cloud (Intermax). - We deliver support via a DevOps/SRE operating model. - We train your engineers to build, deploy and operate cloud-native applications.

Cloud Architect

• Nov 2018 - Jan 2020

* Thought Leader Cloud Native / Modern Applications within KPN ICT Consulting * Consulting within KPN and external clients on the following areas: Cloud, CI/CD, Containers, Kubernetes and DevOps / SRE Projects: * Designed and implemented an enterprise multi-cluster Kubernetes platform for a customer based on a private cloud: Rancher, Kubernetes, Terraform, VMware vSphere, NGINX Ingress, Metallb, Prometheus and Harbor. * Site Reliability Engineering at Nederlandse Spoorwegen (Dutch Railways): ** Helped with setting up SRE team and defining standards, best practices and guidelines ** Integration of Kubernetes with StackState written in Golang using controller pattern ** Base Docker image for running Spring Boot apps in containers using Google's Distroless project ** Proof of Concept for monitoring connectivity using Heartbeat and Elasticsearch/Kibana ** Helped with several Azure Kubernetes Service related questions and issues * Consultancy on Cloud Native (e.g. Observability) for Port of Rotterdam. * Providing training and workshops on CI/CD, Kubernetes, DevSecOps, etc. * Co-organizer of meetups for CloudGurus Show less

Principal Engineer | Lead Architect

• Jan 2017 - Oct 2018

As Principal Engineer, I provide technical leadership throughout the software development lifecycle and responsible for providing guidance and oversight to multiple devops teams. In this role I am contributing to the core products within VANAD Enovation and working with the engineers on complex problems and participate in software design or code reviews.I also serve as the owner of the technical roadmap. I am working with both software and operations engineers to turn this vision into reality. I think effective collaboration and knowledge sharing is crucial for successful for developing and running "Software as a Service" applications. Besides that, I evaluate industry-level concepts, techniques and technologies for adoption.Another important task is to stimulate knowledge sharing and provide training where needed. Show less

Platform Architect Cloud Native Platform

• Jul 2015 - Oct 2018

As Architect of the cloud native & continuous delivery platform, I am responsible for the vision, roadmap and implementation. In this role I need to work closely with the feature teams within VANAD Enovation because they are the most important stakeholders.This platform should make it easy for developers to package, deploy, and manage scalable and reliable microservices as containers. Besides that it addresses the significant challenges in developing and managing cloud applications. Used (open source) technology like Apache Mesos, Marathon, Consul, Docker, NGINX Plus, Gitlab (CI/CD), Terraform, Ansible, Spring Boot/Cloud, Golang, Prometheus, Grafana and Elasticsearch, RabbitMQ, Keycloak, OpenStack, VMware vCloud/vSphere. Show less

Tech Lead

• Jan 2015 - Dec 2016

As Tech Lead, I am responsible for managing (5..9) software engineers. In this hands-on role, I establish a technical vision and work with both software and operations engineers to turn this vision into reality. Another important activity is research of new technologies to find out how our engineers can develop better code more efficiently.I have initiated or contributed to the following core projects:- Cloud Native with Docker, Mesos/Marathon, Consul and NGINX- Datacenter automation with Ansible and Terraform- Microservices architecture with Spring Boot and Cloud- Single sign-on with OpenID Connect- Transition to DevOpsBesides that I helped and worked with the feature/product teams on complex problems such as transitioning from a monolith to microservices, migrating to cloud native, etc. Show less

Solution Architect

• Mar 2010 - Dec 2014

As Solution Architect, I am responsible for translating business requirements into technical solutions and investigation into new technologies and concepts. These new technologies and concepts can be applied and used to create new innovate products within the VANAD Enovation product portfolio or custom software development projects.New technologies are tested within prototypes, proof-of-concepts or applied directly in software development projects. With long-time technical experience in software architecture, I evaluate new technologies and advise VANAD Enovation and clients. Show less

(Interim) Product Manager

• May 2010 - Feb 2011

As (Interim) Product Manager, I was responsible for the lifecycle management (product enhancements, bug prioritisation, release management) and sales support to deliver new & product enhancements of a SaaS based webapplication for AWBZ care providers.This application is developed specifically for healthcare providers which need to exchange AZR information with care offices (in Dutch "Zorgkantoren"). AZR stands for "AWBZ-brede Zorg Registratie".

Software Architect

• Jan 2008 - Mar 2010

As Software Architect, I was responsible for design, development, integration and testing of software applications. Activities within this role:- Analyze requirements;- Design application architecture;- Engage with the business representatives/clients to understand the project scope;- Collaborate with the project manager to assist in developing and refining the plan;- Describe the runtime/execution architecture;- Produce a prototype, to prove the architecture;- Oversee construction of the product;- Oversee transition to production.In this role, I worked on the version of the E.Novation Message Server (used within ZorgMail and Rijkswaterstaat EDI-messaging service). During this period I learned a lot about all aspects of messaging, integration (EAI), market-specific standards, protocols (SMTP/POP3/LDAP/SOAP/HTTP) and messages. Show less

Software Engineer

• Sep 2003 - Jan 2008

As Software Engineer, I designed, developed, tested and maintained various Java webapplications and webservices within a team of skilled software engineers. During this period I learned a lot about all aspects of software development such as software lifecycle, methodogies (SCRUM), design patterns, application deployment, etc.

Lead Architect

• Jan 2012 - Jul 2012

EZDA 's mission is to improve the quality and efficiency of care through optimization of information exchange between care providers (both care and cure) and between care providers and patients/clients in the region of Amsterdam. Activities: - Review and maintenance of the EZDA Reference Architecture; - Deliver technical input (design, requirements, etc) for the Request for Proposal process for specific project(s). EZDA 's mission is to improve the quality and efficiency of care through optimization of information exchange between care providers (both care and cure) and between care providers and patients/clients in the region of Amsterdam. Activities: - Review and maintenance of the EZDA Reference Architecture; - Deliver technical input (design, requirements, etc) for the Request for Proposal process for specific project(s).

Programmer

• Mar 2002 - Jan 2003

Jr. Programmer

• Oct 2000 - Aug 2001

As Junior Programmer (part-time job besides my study), I worked on a research project for LifeLine Networks: rebuilding a PHP based webapplication to Java (Java Server Pages) including a SOAP backend. As Junior Programmer (part-time job besides my study), I worked on a research project for LifeLine Networks: rebuilding a PHP based webapplication to Java (Java Server Pages) including a SOAP backend.