Matthijs Liethof

Profile

I am a dedicated software engineer with a knack for DevOps with over 8 years of experience in various positions, including team lead and tech lead roles. Experienced in driving the creation of high-quality software to achieve business objectives and value creation. Committed to the principles of clean code and solid software engineering practices, ensuring robustness and maintainability. An inquisitive and open communicator who always seeks to understand the bigger picture and align development efforts with organizational goals. Always looking to automate repetitive tasks and leverage tooling to improve productivity and code quality. Additionally, I am passionate about continuous learning, cooking, nurturing a healthy work-life balance and in my free time co-organizing a cross lanuage user group.

Experience Highlights

Axxes

Utrecht, NL

.NET Developer @ Cohedron

Aug 2023 - Present

  • Team lead, Solution Architect, Backend Developer
  • Backend development; functional implementation, writing unit tests
  • Integration with third party enterprise applications
  • Implementation of authentication and authorization with Azure AD
  • Building an application that helps the organization cut down on carbon emissions
  • C4 Architecture Model
  • .NET 8
  • Bicep
  • Azure DevOps
  • Clean Architecture
  • HTML
  • CSS
  • Agile

Infi

Utrecht, NL

Senior Developer / Tech Lead @ CheapCargo

Jan 2023 - Jul 2023

  • Coaching junior developers
  • Migrating legacy production microservices to Azure Kubernetes
  • Introduce SOLID principles, Clean Code and DevOps into organization
  • Implementation of Infrastructure as Code
  • Working on improving developer culture and integrating with the other departments
  • PHP
  • RabbitMQ
  • NodeJS
  • NestJS
  • Terraform
  • Gitlab CI
  • Docker
  • Prometheus
  • Grafana
  • SOAP
  • TypeScript
  • SonarQube

Several different Senior Developer roles

Aug 2020 - Jan 2023

  • Customers - Hiltermann, KNMV (Lead), NPO, Briq (Lead), OpenCompanies, Litebit
  • Frameworks - .NET, NextJs, Laravel, NodeJs, React, React Native, VueJS
  • Introduce SOLID principles, Clean Code and DevOps into teams
  • Coaching of junior developers
  • Building maintainable software with a focus on adding value first.
  • Automated testing
  • C#
  • TypeScript
  • Azure
  • NodeJS
  • Terraform
  • Gitlab CI
  • Docker
  • Prometheus
  • Grafana
  • TypeScript
  • SonarQube
  • SQL
  • Hasura
  • Razor
  • Blazor
  • GraphQL

Fullstack Developer @ NLZIET

Jul 2016 - Jul 2020

  • Roles - Senior Developer on several applications within the NLZIET platform; Tech/Team Lead on Angular SPA
  • Frameworks - .NET Core, .NET Framework, IdentityServer
  • Migration of the content ingestion pipeline from a monolith to Azure Functions backed by Azure Service Bus
  • Building a content editing tool in .NET
  • 24/7 on-call technical support (Azure/Linux)
  • Automated testing
  • C#
  • .NET
  • Azure
  • Angular
  • Terraform
  • Gitlab CI
  • Docker
  • ElasticSearch
  • Kubernetes
  • TypeScript
  • SQL
  • Redis
  • MongoDb
  • Azure Function
  • Azure Service Bus
  • Razor

Nimma.codes

Nijmegen, NL

Co-organizer

Aug 2022 - Present

  • Hosting a cross language user group in the Arnhem-Nijmegen region
  • Knowledge sharing sessions
  • Networking

DomCode

Utrecht, NL

Co-organizer

Jan 2024 - Present

  • Hosting a cross language user group in the Arnhem-Nijmegen region
  • Knowledge sharing sessions
  • Networking

Topicus

Deventer, NL

Product Owner

Oct 2015 - Mar 2016

  • Product owner for the eOverdracht healthcare product.
  • Backlog management, scrum ceremonies
  • Involving users in the software development process

Frontend Developer

Feb 2015 - Mar 2016

  • Frontend Development and user experience design for several products
  • Javascript
  • SCSS
  • HTML5
  • Angularjs
  • Java
  • Spring Boot

Education

Bachelor of Communication - Human Information Design & Strategy

Hogeschool Saxion

2010 - 2014

photo of me
  • +31 6 510 88 990
  • dev@matthijs.tech
  • Contact me for full resume!
  • Arnhem, Netherlands

Skills

    • Programming
    • C#
    • TypeScript
    • SCSS
      Frameworks
    • .NET
    • React
    • Blazor
      Technology / Architecture
    • Service Oriented Architecture
    • REST / SOAP / GraphQL / gRPC
    • Azure Service Bus
    • CQRS
    • Relational Databases (Microsoft SQL)
    • NoSql (Neo4j, MongoDB, CosmosDB)
      DevOps
    • Azure
    • Kubernetes
    • Prometheus
    • Docker
    • Gitlab CI
    • Infrastructure as Code (Terraform/Bicep)
      Developer Tools
    • Docker
    • Linux
    • Bash
    • Git
      Misc
    • C4 Model for visualising software Architecture
    • ADR's

Languages

  • Dutch
    Native
  • English
    Professional

Courses / Training

  • Advanced Distributed Systems Design - Particular Software - (2023)
  • Security Training - CompuTest - 2019

Interests

  • Cooking
  • Magic The Gathering (cardgame)
  • Sports
  • Bouldering
  • Running