Senior Frontend Web Developer

About us

CERTUS Port Automation B.V. is a leading technology company in innovative automation solutions for container and intermodal terminals worldwide. Headquartered out of Sliedrecht, near Rotterdam, our systems empower marine and railway terminal operators to increase their performance while reducing operating costs. Deployed in over 50+ countries, terminal operators worldwide have successfully optimized their gate, crane and rail processes using our advanced OCR technology, kiosk systems and advanced software.

We thrive on innovation, providing unique business solutions to container and intermodal terminals worldwide. Our work culture is where innovation is expected, hard work is valued, and creativity is rewarded. All this within a no-nonsense organization with diverse disciplines and a great team spirit.

Our field

The operation within maritime and intermodal terminals is highly automated. The individual system solutions for terminal operations are accompanied by complex logic, which together result in optimization the use of CHE (container handling equipment), (IT) systems and resources.

CERTUS standard software platform PASS (Port Automation & Security System) is designed as middleware between the various subsystems and a (TOS) Terminal Operating System. The CERTUS PASS system runs on 50+ terminals at 30 ports in 25 countries around the world. For our customers we deliver 24/7 remote and local support on hardware and software.

We also have non ports Solutions like a Parking Management system for Trucks and a Warehouse system.

Job Profile

We are looking for a dynamic individual with at least 4 years or more demonstrable experience as a Senior front end web developer and 2 years of backend development. The person should have a higher professional education level of working and thinking.

We are looking for someone who is ambitious and professional and can thrive in a challenging environment and can cope with challenging deadlines for deliveries.

In addition, we are looking for someone who wants to develop himself further and is enthusiastic about expanding and sharing his knowledge. You are someone who has insight and analytical skills and is able to oversee an application in the larger picture. Above all, you have to be someone who also has both feet on the ground and has a pragmatic approach. You have to have a service-oriented attitude, both to the internal and external customers and to your colleagues. We also ask for a proactive attitude towards improving our products.

Since a lot of communication is in English, you are expected to have a good level of English in written and spoken.

Your main task will be to participate in developing a user web interface for our PASS application. The writing of technical documents will be part of your tasks too. Also we expect you to be able to do some small backend tasks if necessary.

Our new PASS solution is a web application that will run on-premise for our current customers from security and performance considerations. The technical design of this user interface will have to take into account the security considerations that belong to a cloud-based SaaS / PaaS solution so that we can offer a cloud-based solution. To be able to fill this user interface with data, the Backend Development in cooperation with the Frontend Development will develop the backend api’s for the UI.

You will be part of a nice team of developers. We have a product development team and a project development team that are also helping each other out when needed. At first you will work mainly for the product development team that is developing the new PASS solution for Certus Port Automation. The culture is informal and mixed with cultures from different countries. People are ready to help each other out when needed and the goal is to grow together within Certus Port Automation.


  • 32, 36 or 40 hour working week
  • Annual contract and after good performance a contract for an indefinite period.
  • Market-level salary and the employment conditions of the Collective Labor Agreement for Information, Communication and Office Technology (ICK)
  • Good secondary conditions
  • Flexibility to work several days from home
  • The Possibility to travel to foreign countries for projects
  • A nice team of colleagues



  • At least 4 years of demonstrable experience with frontend programming and at least 2 years of backend experience.
  • Minimum higher professional education level
  • Good level of the English language, both written and spoken


Training and knowledge of the following:

  • js and Angular 5+ or React
  • Webpack


Previous Experience with:

  • .NET or .NET Core / C# / SSL / TLS


Demonstrable experience with implementing complex SPAs (Single Page Applications) with:

  • Live updates (via SignalR and / or WebSockets)
  • A modular structure with on-demand / configuration-based / rights-based loading of the modules.
  • OAuth 2.0 / OpenID Connect authentication
  • Localization
  • RxJs

 Training and knowledge of the following is a plus:

  • Bachelor or Master in informatics
  • Knowledge of the Maritime and Offshore sector
  • Knowledge of the logistics sector
  • Telerik Kendo UI.
  • RabbitMQ
  • Microsoft SQL Server
  • NET (MVC 5 / WebApi2 )
  • NET Core
  • Jira

You will work with:


Adbobe XD

Visual Studio

SQL Servr management Studio 18


AWS and Azure active directory

Used Packages:

o   Vue.js

o   Nuxt.js

o   Nuxt TypeScript

o   Vuetify

o   Keycloak-js

o   AG Grid o   RxJs

o   Vue-Class-Components

o   Vue-Property-decorator

o   Vuex-Module-decorators (Github)

o   Nuxt-Class-Components

o   Nuxt-Property-Decorator

o   Vue-Browser-Acl

The latest versions of .Net

The latest versions of Visual Studio

Microsoft SQL Server

Microservices (WCF / TCP-IP / REST / SOAP / Web sockets)



HTML5 / XML / XSLT / XSD / XPath / WSDL / XHTML / JSON techniques

Rabbit MQ



Unit tests





You will do integrations with various hardware equipment including more:

  • Barriers
  • Traffic lights
  • Printers
  • Barcode scanners
  • LED signs
  • Card readers
  • Biometric scanners
  • Cameras
  • Weigh bridge


Direct applications only. We respectfully request no unsolicited resumes from agencies.

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