Ola Hulleberg

Developer and Technology Enthusiast

Versatile web developer mastering multiple programming languages, with expertise in sustainability, server infrastructure and computer vision. Always seeking new challenges and growth opportunities.

Portrait of Ola


A pixel art illustration of Ola in his room

I have been interested in both coding and programming since I was seven years old, and have been playing around with most programming/code languages.

In addition to my expertise as a web developer, I also have a hobby background in server hosting, and have thus built up an extensive knowledge of infrastructure and networking. This has given me a deep understanding of how to optimize applications and services to be able to scale and handle high traffic as well as efficient troubleshooting.

More recently, I have been working on developing a computer vision model in collaboration with my schoolmate, Sivert Gullberg Hansen. The model reads screenshots from a game to identify and localize 'shiny' creatures, as well as train already captured creatures.

I am constantly looking for new challenges and opportunities to develop myself further. If you are looking for a reliable and creative web developer with a deep understanding of server infrastructure and computer vision, please get in touch!

Publications (0)

The Awareness and Practices of Web Developers toward Sustainable Web Design

July 2023

Sustainable design should be one of the main objectives of digital systems and services to use the resources efficiently. Designing low-carbon websites through careful implementation of images, fonts, videos, and colour is useful to minimise environmental impact. Yet, low awareness and practices of web developers are the main challenges in developing sustainable digital systems and services. This study explores how web developers view and practise sustainable web design. We collected data from 77 developers in Norway using an online survey. Our results show that, generally, web developers are aware of the web's impact on the climate, however they do not use the correct practices such as image file format, font subsetting, video codec, dark mode energy, and compression of audio/software to reduce this impact. We discuss the practical implications of the study results and provide preliminary recommendations for addressing the need for delivering sustainable web design.

Read on SpringerSpringer Logo

Current Challenges and Barriers in Sustainable Web Design: A Qualitative Study

September 2023

Sustainable web design plays a crucial role in mitigating the environmental impact of websites and digital services. However, there is still a long way to go in implementing sustainable web design practices. To understand current challenges and barriers in sustainable web design, we carried out a qualitative study gathering data from 27 participants, including practitioners, prospective practitioners, and academia in Norway. Our analysis revealed that a lack of knowledge and understanding of sustainable web design is the most frequently reported challenge. Participants expressed a need for more information and specific guidelines on how to implement sustainable practices. Other challenges included a lack of prioritization among customers, a lack of motivation, comprehension difficulties, and a lack of syllabi in academia. Despite reporting similar challenges in implementing web accessibility and expressing dissatisfaction with the guidelines, the majority of the participants identified accessibility as their top priority, due to the current regulations in Norway. This paper investigates challenges and the barriers they create in sustainable web design, as well as ways to overcome them, contributing to this emerging field.

Read on ACM Digital Library


Project 1 cover

Sustainable Web Design Guidelines

This bachelor's thesis focuses on the environmental consequences of the Internet and the need for sustainable web design practices. The Internet requires significant computing power and electricity, which contribute to climate change. The goal of this bachelor's thesis is to minimize the carbon footprint of the Internet by examining the awareness, practices, challenges, and barriers faced by both the industry and academia.

The bachelor's thesis presents research conducted for Yavuz Inal on behalf of the Department of Design at the Norwegian University of Science and Technology. It is divided into three studies: Awareness and Practices, Challenges and Barriers, and Guidelines. The studies in this bachelor's thesis investigate sustainable web design by examining developers' awareness and practices, identifying current challenges and barriers to implementation, and proposing practices that should be included in dedicated guidelines for sustainable web design.

By studying these aspects, the bachelor's thesis aims to provide practical guidelines for sustainable web design to help stakeholders prioritize sustainability in web solutions and collectively reduce the carbon footprint of the Internet. In addition, the research results have been published and will be presented at relevant Human-Computer Interaction (HCI) conferences, and disseminated along with the guidelines on a website developed by the group.

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Recently, I had the opportunity to explore exciting AI technologies in collaboration with Sivert Gullberg Hansen. Our project involved training a recognition model using YOLOv8, a popular and powerful object recognition algorithm. The goal was to develop a model that could identify and recognize different creatures in a video game.

To achieve this, we used a combination of technologies and tools. Python, a versatile programming language, was used to implement the model itself and the training framework. We leveraged the OpenCV library for image processing and manipulation, and DXCam to capture screenshots from the actual video game.

The training of the model involved several steps. First, we gathered a large amount of training data, consisting of screenshots from the video game that included various creatures and contexts. Then, we used annotation tools to label the creatures in the images and create a training dataset. We then trained the model by feeding in the training dataset and adjusting the weights through multiple iterations of training.

The project has expanded my horizon in the field of AI and machine learning, and has opened up further exploration of the use of models in context-aware decision-making in video games. The collaboration with Sivert Gullberg Hansen has been highly rewarding, and I look forward to seeing where this project can lead us in leveraging AI technology for exciting applications.

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Office Coffee

In our project, Office Coffee, we used both front-end and back-end technologies to create a comprehensive solution. The front-end part of the application was developed using React.

To ensure that only authorized users can access the application, we integrated the Gmail API to verify email addresses associated with approved domains. We documented the API using Swagger, which allowed us to describe API endpoints, parameters, and response structures in a standardized and organized manner.

Additionally, we placed great emphasis on security in the project, especially when it comes to handling authentication and authorization. We used JWT (JSON Web Tokens) to ensure that only authorized users had access to certain pages and functionalities. We ensured that tokens were properly stored and verified to maintain a high level of security in the application.

We developed a secure RESTful API for the project. This allowed users to seamlessly create, read, update, and delete coffee data in the system. We built functionality that enables users to update information about the latest brewed coffee and handle various aspects of coffee brewing.

Overall, the project allowed us to enhance our skills in React development, team collaboration, and integration of front-end and back-end technologies. It provided us with valuable hands-on experience in creating a full-stack project where we addressed requirements and challenges based on real-world scenarios.

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Smart Mirror

Imagine having a mirror that not only reflects your appearance but also provides you with a unique and personalized experience. We have created something revolutionary in web development and smart technology - a digital personal smart mirror that will transform the way you start and end your day!

By combining the timeless concept of a mirror with the latest technology, we have created an innovative product aimed at providing students at NTNU Gjøvik with an exceptional experience. Our smart mirror is not just a mirror; it is a gateway to efficiency, organization, and personal growth.

Picture waking up in the morning and seeing your personal calendar and scheduled tasks right on the mirror. You get an instant overview of your day without having to unlock your phone or start your computer. No more time-consuming searches for information - everything you need is right there in front of you.

By eliminating the need to constantly check your phone or computer, our smart mirror allows you to focus on what truly matters - your personal development, productivity, and well-being. You avoid unnecessary disruptions and distractions, achieving a more balanced and purposeful everyday life.


Get in touch and explore exciting possibilities by simply clicking any of the icons below! I look forward to connecting with you and discussing how we can collaborate to bring your ideas to life.