Is technology your window of infinite opportunity?

We are iO – a growing team of experts thriving on curiosity and explorers of all things new and exciting. As an end-to-end agency we think big and work locally in strategy, creation, content, marketing & technology - across every industry imaginable. Knowledge is the foundation of everything we undertake. Are you creative, curious and hungry for knowledge? Feed your mind.

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Some of our jobs

Our latest articles

Alexey Ses

Frontend Developer

Generate unit tests using CodiumAI

Unit tests are an essential part of software development. Tests help you to ensure that the code works as you expect. It takes time to create all necessary tests. But there is a way to generate them.

Published on: September 27, 2023

frontend unit-tests vs-code intellij-idea

Remy Parzinski

Front-end Developer

TIL: The CSS `order` Property Requires Each Grid/Flex Item to be `order`ed

To use order on one element means using order on each of its siblings, too.

Published on: September 12, 2023

css flex grid

Mohi Bagherani

Software Engineer

ECMAScript Explicit Resource Management early implementation in TypeScript 5.2

The TypeScript implementation of the `using` and `await using` declarations from the TC39 Explicit Resource Management proposal, which is currently at Stage 3

Published on: September 8, 2023

typescript web-development javascript

Niels Matthijs

Frontend Developer

Consistent CSS spacing is hard, but it does not have to be

Two simple guidelines is all it takes to prevent rampant spacing issues from turning your expertly crafted project into an endless game of whack-a-mole.

Published on: August 15, 2023

frontend css

Dave Bitter

Google Developer Expert Web & Developer Advocate

Finite State Machines in JavaScript

Application state can make any application complex real quick. Let’s have a look at Finite State Machines in Javascript to resolve some of these complexities.

Published on: August 1, 2023

frontend javascript

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Our amazing
writers & speakers

Jafar Rezaei

Senior Frontend Developer

Abbe Keultjes

Developer Advocate & Frontend Developer

Milan Vogels

Frontend Developer

Ralph Leermakers

Lead Software Developer

Lee Ravenberg

Front-end Developer

Jori Regter

Technical Lead & Developer

Léo Schneider

Software Engineer

Eyad Jarrar

Software Engineer

Jurgen Beliën

Senior Frontend Developer

Zjerilon Ferero

Frontend Consultant

Tim Dujardin

Frontend developer

Lucien Immink

Software Architect & Developer Advocate

Ye Jun Wu

Senior Frontend Consultant

OpenAI GPT-3

Cloud Occupant

Niels Matthijs

Frontend Developer

Abdelhak Chahid

Data Scientist

Sander Borgman

Frontend Consultant

Zakaria Taissate

Full-stack Software Engineer & Team Captain

Vince Liem

Senior Frontend Consultant & AI expert

Mohi Bagherani

Software Engineer

Ali Göktaş

Software Developer

Rob Habraken

Technology Director

Vlad Pintea-Gärtner

Senior Frontend Consultant

Dmitri Sirobokov

Software Developer (Full stack)

Brecht De Ruyte

Frontend Developer

Thijs Busser

Frontend developer

Ahmed Ali

Senior DotNet Developer

Daan Beulen

Software Architect

Dave Bitter

Google Developer Expert Web & Developer Advocate

Mohamad Shiralizadeh

Senior Frontend Developer

Daan van Berkel

Software Developer

Maarten Van Hoof

Developer Advocate & Frontend

Frank van Eldijk-Smeding

Senior Frontend Consultant & Lead Accessibility

Lennard Swaneveld

Senior Drupal Developer

Ayo Ayco

Senior Frontend Developer

Corné Hoskam

Software Engineer & Umbraco Domain Lead

Bavo Janss

Tech Lead Commerce Eindhoven

Alexey Ses

Frontend Developer

Mohsen Mahabadi

Senior Frontend Developer

Owin Gruters

Technology Director

Luud Janssen

Software Developer

Joeri Timmermans

Learn & Development Manager

Mark van der Linden

Software Architect & Developer Advocate

Ronny Rook

Front-end Developer

Luuk Rijnbende

Senior Frontend Consultant

Lars Janssen

Developer

Albert Groothedde

Software Engineer & Developer Advocate

Mehmet Akif Tütüncü

Senior Software Engineer

Ravindre Ramjiawan

Frontend Developer

Massimiliano Scifo

Senior Backend Developer

Bader Ali

Trainee Software Development

Zjerlondy Ferero

Frontend Consultant

Yves Maerschalck

Fullstack developer

Roy Berris

Back-end Developer

Remy Parzinski

Front-end Developer

Saeed Salehi

Senior Backend Developer .Net Team

Our latest videos

Going native with Spring Boot 3 | Coven of Wisdom

Joris Kuipers, CTO, hands-on architect, and long-time Spring trainer, presented one of the main new features provided with the ...

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Improved Developer Experience with Java 21 | Coven of Wisdom

Akif unveiled the newest functionalities in Java 21. Akif will in this presentation focus on three groundbreaking upgrades: - String ...

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Coven of Wisdom - EHV - AI Edition

Are you seeing more and more news on your timeline about your tech stack in combination with AI? And are you curious about ...

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Introduction to Astro | Coven of Wisdom

Ayo Ayco gave an amazing introduction to Astro on our meetup about Frontend Frameworks in 2023! Finally, it seemed the JS ...

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Introduction to SolidJS | Coven of Wisdom

Mohamad Shiralizadeh gave an amazing introduction to SolidJS on our meetup about Frontend Frameworks in 2023! Finally ...

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Introduction to React Server Components | Coven of Wisdom

Jafar Rezaei gave an amazing introduction to React Server Components on our meetup about Frontend Frameworks in 2023!

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Introduction to RedwoodJS | Coven of Wisdom

Lee Ravenberg gave an amazing introduction to RedwoodJS on our meetup about Frontend Frameworks in 2023! Finally ...

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Introduction to Qwik | Coven of Wisdom

Suwi Rathore gave an amazing introduction to Qwik on our meetup about Frontend Frameworks in 2023! Finally, it seemed the JS ...

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Coven of Wisdom - EHV - Hyvä Edition

We are happy to announce that, together with Hyvä, the Coven of Wisdom is having a Hyvä themed edition. Talks: - iO will share ...

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Coven of Wisdom - EHV - Agile extravaganza edition

Note from the publishing room: We seem to have had a technical issue at the intro (Don't MC and DJ at the same time, kids).

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Some of our jobs

Stage web developer

Herentals, Vlaams Gewest, België

Backend Developer (Sr)

Brussel, Brussels Hoofdstedelijk Gewest, België

Azure Cloud Engineer

Rotterdam, Zuid-Holland, Nederland

UX Analist

Gent, Vlaams Gewest, België

Stage developer

Antwerpen, Vlaams Gewest, België

Business Analist

Gent, Vlaams Gewest, België

Business Developer Digital | Fintech

Amsterdam, Noord-Holland, Nederland

Sitecore Engineer

Den Bosch, Noord-Brabant, Nederland

Senior Front-end Developer

Rotterdam, Zuid-Holland, Nederland

Is technology your window of infinite opportunity?

Our latest articles

Generate unit tests using CodiumAI

Unit tests are an essential part of software development. Tests help you to ensure that the code works as you expect. It takes time to create all necessary tests. But there is a way to generate them.

TIL: The CSS order Property Requires Each Grid/Flex Item to be ordered

To use order on one element means using order on each of its siblings, too.

ECMAScript Explicit Resource Management early implementation in TypeScript 5.2

The TypeScript implementation of the using and await using declarations from the TC39 Explicit Resource Management proposal, which is currently at Stage 3

Consistent CSS spacing is hard, but it does not have to be

Two simple guidelines is all it takes to prevent rampant spacing issues from turning your expertly crafted project into an endless game of whack-a-mole.

Finite State Machines in JavaScript

Application state can make any application complex real quick. Let’s have a look at Finite State Machines in Javascript to resolve some of these complexities.

Our amazing writers & speakers

Our latest videos

Some of our jobs

View all jobs

TIL: The CSS `order` Property Requires Each Grid/Flex Item to be `order`ed

The TypeScript implementation of the `using` and `await using` declarations from the TC39 Explicit Resource Management proposal, which is currently at Stage 3

Our amazing
writers & speakers