Tech Consultant

Daniel Sum

Daniel Sum

Daniel Sum

I’m a versatile tech consultant specializing in Tech, AI, Web App , Mobile App and product design to help grow your business.

My device : "Sum of us is greather than us" so let’s build something great together !

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"There’s nothing to be done, you’re unbelievably efficient."

S. De Sadeleer - Ama

"Daniel is a master at finding solutions! A problem? … Not for Daniel!"

S. Zych - CBTW

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Expert Tech

Daniel Sum, Your Problem Solver

Brief initial presentation of myself and my previous experiences.

Available for work

Available for work

Available for work

Hello I am Daniel Sum

Tech Consultant in Brussels

Connect with me

With more than 10 years experiences in different sectors, I'm able to solve your technical problems or help your team to perform in several fields of expertises (front-end, back-end, data architecture, dev-ops, product design, SAAS, Eshop, Intranet, CRM, ERP etc.).

Full Stack Engineer

Data Architect

Product Design

Typescript

React

Python

PHP

Java

AI/ML

Tech Lead

Socopro

2024

Tech Lead

Socopro

2024

Tech Lead

Socopro

2024

Web Lead

Wequity

2023

Web Lead

Wequity

2023

Web Lead

Wequity

2023

CTO

Cherry Pulp

2022

CTO

Cherry Pulp

2022

CTO

Cherry Pulp

2022

Web Freelancer

TBWA Group

2012

Web Freelancer

TBWA Group

2012

Web Freelancer

TBWA Group

2012

Recent Projects

Recent Projects

Showcase of some of my recent sleek websites

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Why choose me

Why me as Tech Partner ?

Partner with Me for the Product Design and Tech Excellence

1. End-to-End Product Development

I don’t just write code—I build products. From brainstorming and prototyping to full-scale deployment, I guide projects through every phase, ensuring a functional, scalable, and market-ready solution.

2. Scalable & Future-Proof Architecture

Startups often outgrow their initial tech stack. I design architectures that scale effortlessly, preventing costly reworks down the line.

1. End-to-End Product Development

I don’t just write code—I build products. From brainstorming and prototyping to full-scale deployment, I guide projects through every phase, ensuring a functional, scalable, and market-ready solution.

2. Scalable & Future-Proof Architecture

Startups often outgrow their initial tech stack. I design architectures that scale effortlessly, preventing costly reworks down the line.

3. Full-Stack Expertise – A One-Man Dev Team

As a Swiss-army knife developer, I bridge the gap between engineering, product, and operations.

4. Business-Minded Tech Strategy

Tech is not just about coding; it’s about driving business value. With my startup experience, I align tech decisions with growth, revenue, and user retention.

3. Full-Stack Expertise – A One-Man Dev Team

As a Swiss-army knife developer, I bridge the gap between engineering, product, and operations.

4. Business-Minded Tech Strategy

Tech is not just about coding; it’s about driving business value. With my startup experience, I align tech decisions with growth, revenue, and user retention.

5. Fast Execution & Iteration

Startups move fast, and I match that speed. I help teams ship quickly, iterate based on feedback, and stay ahead of competitors.

6. Problem-Solving Under Pressure

Whether it’s handling 10,000 concurrent users, fixing legacy tech debt, or saving a failing product launch, I specialize in solving high-stakes technical challenges.

5. Fast Execution & Iteration

Startups move fast, and I match that speed. I help teams ship quickly, iterate based on feedback, and stay ahead of competitors.

6. Problem-Solving Under Pressure

Whether it’s handling 10,000 concurrent users, fixing legacy tech debt, or saving a failing product launch, I specialize in solving high-stakes technical challenges.

Happy Clients

Happy collaborators

Trusted by 150+ happy collaborators, adding an estimated $250M+ added values for my customers and having a good rating in recommendations.

150+

Collaborators

150+

Collaborators

150+

Collaborators

6

Awards

6

Awards

6

Awards

+60

Projects

+60

Projects

+60

Projects

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Karl Knoben

Socopro

"The implementation of our new website came with its fair share of challenges, whether due to the number of partners involved or the fluctuating scheduling constraints. Daniel’s versatility, experience across various industries, and pragmatic approach enabled us to achieve an optimal solution.

Karl Knoben

Socopro

"The implementation of our new website came with its fair share of challenges, whether due to the number of partners involved or the fluctuating scheduling constraints. Daniel’s versatility, experience across various industries, and pragmatic approach enabled us to achieve an optimal solution.

Karl Knoben

Socopro

"The implementation of our new website came with its fair share of challenges, whether due to the number of partners involved or the fluctuating scheduling constraints. Daniel’s versatility, experience across various industries, and pragmatic approach enabled us to achieve an optimal solution.

Severine De Saedeleer

AMA, CEO

There's no denying it, you are incredibly effective!

Severine De Saedeleer

AMA, CEO

There's no denying it, you are incredibly effective!

Severine De Saedeleer

AMA, CEO

There's no denying it, you are incredibly effective!

Stephan Zych

Cherry Pulp (co-founder)

Daniel is a master at finding solutions. A problem? ...Not for Daniel! It’s a true joy to collaborate with someone so positive and inventive.

Stephan Zych

Cherry Pulp (co-founder)

Daniel is a master at finding solutions. A problem? ...Not for Daniel! It’s a true joy to collaborate with someone so positive and inventive.

Stephan Zych

Cherry Pulp (co-founder)

Daniel is a master at finding solutions. A problem? ...Not for Daniel! It’s a true joy to collaborate with someone so positive and inventive.

Frederico Anzalone

Unicef (designer)

"Daniel and I collaborated on a project for UNICEF, which he coordinated with enthusiasm and professionalism. In addition to being naturally enterprising, Daniel has a clear vision and knows how to bring out the creativity in his collaborators.

Frederico Anzalone

Unicef (designer)

"Daniel and I collaborated on a project for UNICEF, which he coordinated with enthusiasm and professionalism. In addition to being naturally enterprising, Daniel has a clear vision and knows how to bring out the creativity in his collaborators.

Frederico Anzalone

Unicef (designer)

"Daniel and I collaborated on a project for UNICEF, which he coordinated with enthusiasm and professionalism. In addition to being naturally enterprising, Daniel has a clear vision and knows how to bring out the creativity in his collaborators.

FAQ Section

Questions, Answers

Get quick answers to your most pressing questions

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How do you charge for your services?

I offer flexible pricing options based on your needs: 💡 Project-Based Estimation – A detailed quote based on scope & deliverables 📆 Daily Rate – Ideal for ongoing support, consulting, or quick iterations 🔄 Hybrid Approach – A mix of both, tailored to your budget & timeline Let’s find the best setup for your project!

Are you flexible in how we work together?

How can I get started?

How do you charge for your services?

I offer flexible pricing options based on your needs: 💡 Project-Based Estimation – A detailed quote based on scope & deliverables 📆 Daily Rate – Ideal for ongoing support, consulting, or quick iterations 🔄 Hybrid Approach – A mix of both, tailored to your budget & timeline Let’s find the best setup for your project!

Are you flexible in how we work together?

How can I get started?

How do you charge for your services?

I offer flexible pricing options based on your needs: 💡 Project-Based Estimation – A detailed quote based on scope & deliverables 📆 Daily Rate – Ideal for ongoing support, consulting, or quick iterations 🔄 Hybrid Approach – A mix of both, tailored to your budget & timeline Let’s find the best setup for your project!

Are you flexible in how we work together?

How can I get started?