An ambitious crew

Meet our team

Our goal is simple.

  We're on a mission to build award-winning digital products.

In House

Kim Berthonneau

CEO / Solution Architect

Kim plays many roles at JAK Solutions. Usually, he's the first point of contact for prospects and clients, so chances are, your initial interactions will be with him. Blessed with a high degree of empathy, Kim has the unique ability to truly walk in your shoes and understand your needs at a fundamental level. His strong technical background equips him to convert your needs into customized digital solutions that fit your business like a glove.

Kim also has a passion for all activities related to boards. Don't be surprised if you spot him skateboarding down the street, snowboarding down a frosty mountain slope, or kitesurfing over the ocean waves in his free time.

Jon Pauwels

CTO / Lead Developer

Jon is the CTO at JAK Solutions. A true Swiss army knife, he blends strategic vision, team leadership, and technical expertise. He oversees the development team, structures projects, evolves the architecture, and still codes regularly, both in fullstack web and FileMaker development.

Analytical and naturally curious, he enjoys understanding how systems, technical or human, work at a deeper level. He places great value on code clarity, efficient processes, and healthy team dynamics. Outside of work, he plays padel weekly and spent many years playing chess, a game he still enjoys for its complexity and logic.

Andreas Couscouras

COO

An entrepreneur at heart, he joined JAK Solutions, drawn by the team’s quality standards and way of working. With solid experience in building and growing businesses, he now brings his strategic mindset and entrepreneurial vision to support JAK’s expansion.

As COO, he helps structure, organize, and optimize internal processes to drive the company’s sustainable and ambitious growth.

Corentin Grégoire

FullStack Developer

Since joining JAK, Corentin has quickly established himself as a key member of the team. His approach to development is both methodical and thoughtful: he pays close attention to every detail and never settles for anything less than excellence. Always seeking elegant and efficient solutions, he enjoys understanding the “why” behind every line of code and constantly strives to refine his methods.

Throughout various projects, Corentin has demonstrated strong adaptability, continuous technical curiosity, and a genuine commitment to quality work. He approaches each challenge with calm determination, and his high standards help raise the collective level of the team.

Behind his professional rigor lies a curious and passionate mind — someone who loves to learn, explore new technologies, and share his discoveries with others.

José Lopez Fernandez

Web Developer & SEO Specialist

Passionate about the digital world and equipped with strong expertise in web development and SEO, he supports businesses in creating high-performance, visually appealing, and strategically optimized websites that enhance their online visibility. Combining attention to detail, business insight, and creativity, he designs digital experiences that faithfully reflect each brand’s identity while maximizing their impact.

Committed to quality and close collaboration, he favors a results-driven approach where every project becomes an opportunity to create lasting value for his clients.

Dany Vanmuylder

FullStack Developer

Dany is a versatile and determined web/mobile developer who thrives on tackling challenges head-on. Known for his sociable and approachable nature, he brings a unique balance of professionalism and joyful collaboration to every project. His passion for coding goes beyond just work, he views it as a game, always looking for ways to optimize, innovate, and push his limits.

Outside of development, Dany is a competitive chess player with a strategic mindset, and a fan of various board games and video games. His love for these activities mirrors his approach to coding: patient, thoughtful, and always seeking the next move to gain an edge. Whether it's in development or in a game, Dany is someone you can count on to bring his best to the table.

Richi Nieto

Product Designer and Web Developer

Richi is a Product Designer and Web Developer passionate about creating beautiful and intuitive interfaces that seamlessly blend psychology and technology to deliver exceptional user experiences.

With over seven years of experience in a startup studio, he specializes in UX/UI design, branding strategy, and Code/No Code development. He enjoys helping startups grow, enhance their customer experience, and achieve their goals through smart and purposeful design.

A creative problem-solver by nature, he strives to find the perfect balance between best practices and the unique needs of each project.

Sebastien Vandaele

FullStack Developer

Sébastien is a passionate full-stack developer and tech lead who thrives on demanding projects that combine deep technical challenges with strong product vision. Curious and committed, he enjoys both designing robust backend architectures and refining seamless frontend experiences. His approach is driven by a constant pursuit of clarity, efficiency, and purpose — without ever giving in to unnecessary complexity.

Known for his analytical mindset, direct communication style, and subtle sense of humor, Sébastien brings thoughtful energy and a drive for excellence to every team. An entrepreneur at heart, he is always exploring new ideas, especially around artificial intelligence and automation. For him, code is a tool for impact — a playground where rigor, boldness, and the joy of building come together.

Sophia Pratsas

Executive Assistant

With a strong sense of organization and an unwavering commitment to excellence, she ensures the team runs smoothly every day. Her background in entrepreneurship and customer service brings valuable perspective and drive to her role. She combines efficiency with a natural sense of empathy.

Beyond her operational role, she embodies the balance between structure and warmth that defines our culture. Her proactive mindset, reliability, and positive energy make her an essential point of support for both management and the wider team.

Alexandre Van Den Berghe

Intern

Alexandre is a passionate developer intern, always eager to learn and improve. Curious and positive, he approaches every project with enthusiasm and a genuine desire to understand needs in order to achieve the best possible outcome. New challenges don’t intimidate him — they drive him to push his limits and excel.

Trilingual in Dutch, French, and English, Alexandre communicates with ease, fostering effective teamwork and smooth international collaboration. A motorsport enthusiast, he brings a true competitive spirit to everything he does, tackling each challenge with determination and energy.

Freelance

Valentina Morciano

UX Designer

Loïc Ponchon

Fullstack developer

Guillaume Morvan

UI Designer / Front end developer

Reem Al Kaisy

UX Designer

Mounaïm El Attabi

Quality Assurance Engineer
Simple, collaborative & convivial

Our Core Values

Simplicity

At JAK Solutions, simplicity guides our work, from coding to interface design and communication. We believe simpler code is more efficient, maintainable, and less error-prone. Our interfaces aim to be intuitive and user-focused, removing unnecessary complexities. Our communication is clear and jargon-free, fostering an open and collaborative environment.

Achieving simplicity requires thoughtful planning to distill complex ideas into their essential elements. This process, while challenging, enhances our work and benefits our clients by making their tech interactions straightforward and hassle-free.

Like an iceberg, the simplicity seen on the surface hides the complexity beneath, a balance we strive for at JAK Solutions.

Collaboration

In our profession, the practice of collaboration with our customers is not just beneficial, but indispensable. It is through this close, cooperative relationship that we are able to fully understand their specific needs and circumstances. This understanding, in turn, allows us to discover and devise unique solutions that are not only effective but also tailored to each individual situation. In this way, we ensure that the services we provide are not generic, but personalized and of the highest quality.

To facilitate this collaboration, we strive to understand each client's needs deeply. This enables us to visualize ideal solutions. Regular communication is then needed to refine these ideas into a final project that precisely meets the client's requirements.

Conviviality

Work holds great significance in our lives. It's about finding joy and fulfillment, embracing each day positively, and valuing the contributions of everyone involved. At JAK Solutions, we cherish every moment, every interaction, and every project, infusing positivity and warmth into all that we do. Our team takes pride in fostering a work environment that promotes enjoyable collaboration and the cultivation of strong, meaningful relationships. We celebrate the process of work and the creation of solutions that bring value to our clients. Our aim is to build not just solutions, but also relationships, creating a work culture where everyone loves what they do and feels a deep sense of accomplishment and satisfaction.

Want to meet us?

Come and meet us.

Meet JAK