Programming side job

Make more money than you’re used to

At Kojac you earn a wage of 19.5 euros an hour. We pursue long-term projects to give you security of a good extra income.

You decide when you work

We know that as a student, you need to invest time in your courses. Choose and indicate which days you want to work. We have jobs from 4 to 40 hours per week. There is plenty of choice!

Get the most from your studies

Use your qualities and apply them in the professional world, so you can grow to become the best developer you can be!

"

At Kojac I gained relevant working experience as a software developer during my studies. "

Naïm Achahboun
Bsc Econometrics and Operational research
Bsc Economics and Business economics

Een foto van een student ontwikkelaar van Kojac.

"

Looking for a fitting job can be a daunting task, especially for a student trying to combine a busy study schedule with part-time work. Sadly, many organisations are not flexible enough to make such a combination a possibility. Since it is run by students, Kojac understands this issue very well."

Timo
Msc Embedded Systems, TU Delft

"

Thanks to Kojac I was able to gain interesting and relevant working experience during my studies. The flexibility from both Kojac and the client made it possible for me to work whenever I had time, but also focus on my studies when I needed.

Ruben van Eldik
Msc Energy Science, Universiteit Utrecht

"

At Kojac I gained knowledge that I could implement in my studies, in real issues from real companies. I believe that the relevant working experience that I will gain is going to be the stepping stone to a beautiful career.

Caya de Haas
MSc Artificial Intelligence, Vrije Universiteit Amsterdam

"

At Kojac I gained relevant working experience as a software developer during my studies. "

Naïm Achahboun
Bsc Econometrics and Operational research
Bsc Economics and Business economics

"

Looking for a fitting job can be a daunting task, especially for a student trying to combine a busy study schedule with part-time work. Sadly, many organisations are not flexible enough to make such a combination a possibility. Since it is run by students, Kojac understands this issue very well."

Timo
Msc Embedded Systems, TU Delft

"

Thanks to Kojac I was able to gain interesting and relevant working experience during my studies. The flexibility from both Kojac and the client made it possible for me to work whenever I had time, but also focus on my studies when I needed.

Ruben van Eldik
Msc Energy Science, Universiteit Utrecht

"

At Kojac I gained knowledge that I could implement in my studies, in real issues from real companies. I believe that the relevant working experience that I will gain is going to be the stepping stone to a beautiful career.

Caya de Haas
MSc Artificial Intelligence, Vrije Universiteit Amsterdam

Become a part of Kojac’s network

1. Register

via the website

Tell us about your programming experience and leave your contact details on our website.

2.We analyse

your registration

Based on your registration we will see if we have a need for people with your skillset. We will reach out to you as soon as possible.

3. We get to

know you

We will plan in a meeting to get to know eachother. You will be able to talk about your previous experience and about the type of job you are looking for.

4.You are part of
the Kojac community!

After our first meeting we will look for a job which matches your skillset and we will keep you up to date on any new jobs we receive!

1. Register

via the website

Tell us about your programming experience and leave your contact details on our website.

2.We analyse

your registration

Based on your registration we will see if we have a need for people with your skillset. We will reach out to you as soon as possible.

3. We get to know you

We will plan in a meeting to get to know eachother. You will be able to talk about your previous experience and about the type of job you are looking for.

4.You are part of
the Kojac community!

After our first meeting we will look for a job which matches your skillset and we will keep you up to date on any new jobs we receive!

Our vacancies

PHP C# Python Javascript back-end frameworks

Back-end developer | Vacancies | Kojac

Randstad and/or remote | 2022-07-04

Does a well maintained database, fast response time to front-end requests and good server-side logic make your heart beat faster? Do you have experience with programming in Node.js, PHP, C# or Python? Then we might be able to help you! Regularly our existing or new customers are looking for a smart back-end developer, if you want us to put you in contact with them, please contact us.

If you are interested or if you know someone who wants to know more about this, please send an email to Celine via celine@kojac.nl

Javascript HTML5/CSS3 Javascript frameworks

Front-end developer

Randstad and/or remote | 2022-07-14

Do you feel totally at ease with the languages Javascript, HTML and CSS? Do you have experience with a Javascript framework such as Vue.js, ReactJS or Angular? Do you enjoy working on the front-end of a website or application? Then we might have an interesting job for you! Sign up at kojac and we will try to match you with one of our existing clients or new clients.

If you're interested you can send an e-mail to Ben via ben@kojac.nl

R Matlab Python Tensorflow SQL PowerBI

Data scientist

Randstad and/or remote | 2022-06-27

Are you enthusiastic about big data? Do you enjoy the challenge of extracting meaningful insights from large amounts of data, do you have knowledge of AI and would you like to take this to the next level? Do you have experience with R, Matlab, Python, Tensorflow, SQL or PowerBI and would you like to find a job in that area? Then Kojac is the place for you! Sign up with us and we will look for a cool data scientist job for you!

If you're interested you can send an e-mail to Ben via ben@kojac.nl

Become a super programmer

Make more money than you’re used to

You decide when you work

Get the most from your studies

"

At Kojac I gained relevant working experience as a software developer during my studies. "

Naïm Achahboun Bsc Econometrics and Operational research Bsc Economics and Business economics

"

Looking for a fitting job can be a daunting task, especially for a student trying to combine a busy study schedule with part-time work. Sadly, many organisations are not flexible enough to make such a combination a possibility. Since it is run by students, Kojac understands this issue very well."

Timo Msc Embedded Systems, TU Delft

"

Thanks to Kojac I was able to gain interesting and relevant working experience during my studies. The flexibility from both Kojac and the client made it possible for me to work whenever I had time, but also focus on my studies when I needed.

Ruben van Eldik Msc Energy Science, Universiteit Utrecht

"

At Kojac I gained knowledge that I could implement in my studies, in real issues from real companies. I believe that the relevant working experience that I will gain is going to be the stepping stone to a beautiful career.

Caya de Haas MSc Artificial Intelligence, Vrije Universiteit Amsterdam

"

At Kojac I gained relevant working experience as a software developer during my studies. "

"

Looking for a fitting job can be a daunting task, especially for a student trying to combine a busy study schedule with part-time work. Sadly, many organisations are not flexible enough to make such a combination a possibility. Since it is run by students, Kojac understands this issue very well."

"

Thanks to Kojac I was able to gain interesting and relevant working experience during my studies. The flexibility from both Kojac and the client made it possible for me to work whenever I had time, but also focus on my studies when I needed.

"

At Kojac I gained knowledge that I could implement in my studies, in real issues from real companies. I believe that the relevant working experience that I will gain is going to be the stepping stone to a beautiful career.

Become a part of Kojac’s network

1. Register

via the website

2.We analyse

your registration

3. We get to

know you

4.You are part of the Kojac community!

1. Register

via the website

2.We analyse

your registration

3. We get to know you

4.You are part of the Kojac community!

Our vacancies

Back-end developer | Vacancies | Kojac

Randstad and/or remote | 2022-07-04

Front-end developer

Randstad and/or remote | 2022-07-14

Data scientist

Randstad and/or remote | 2022-06-27

We at Kojac want to get to know you

Become a super developer!

Register below and we will reach out to you as soon as possible.

Naïm Achahboun
Bsc Econometrics and Operational research
Bsc Economics and Business economics

Timo
Msc Embedded Systems, TU Delft

Ruben van Eldik
Msc Energy Science, Universiteit Utrecht

Caya de Haas
MSc Artificial Intelligence, Vrije Universiteit Amsterdam

4.You are part of
the Kojac community!

4.You are part of
the Kojac community!