Details
| Founded: | 2007 |
|---|---|
| Hourly Rates: | N/A |
| Employees: | 2 - 9 |
| Avg. Project Cost: | $10,000+ |
| Ratings: |
4.1
7 Reviews
|
Industries Served
About
Data Design System allows you to always keep an eye on your customers with its plethora of services. They are a company that’s willing to take on challenges and more importantly, offer different solutions to help their clients stay ahead in this market. Their mission is to serve with you to know & achieve it with the new web & mobile technologies and best developing practices which open.
Data Design Systems Reviews
Technically sharp, commercially sensible, and genuinely easy to work with throughout
Femke Visser / Head of Platform Engineering | Jun 11, 2026We handed this team an aggressive deadline, a genuinely complicated scope, and a client-side team on our end that was stretched thin and slow to respond at times. They handled all of it without complaint. When they needed something from us they asked precisely and on time. When they didn't, they just kept moving. The project still landed on schedule despite our side being the weaker link for a good chunk of it, which tells you something about how they operate under pressure.
Project summary
Our campaign workflow had sprawled across a dozen disconnected tools with constant manual reconciliation. It was slowing us down and introducing errors we couldn't afford.
| 4.0 Overall Rating |
| 3.5 Quality |
| 4.0 Schedule |
| 4.5 Project Cost |
| 5.0 Willing To Refer |
| Project Type: | Embedded Systems Development |
|---|---|
| Project Cost: | Less than $10,000 |
| Project Duration: | Sep 2025 - May 2026 |
| Business Type: | Advertising & Marketing |
|---|---|
| Location: | The Hague, Netherlands |
Questions & Answers
Freed our analysts from repetitive number-crunching to focus on the interpretation instead
Ananya Raman / Director of Engineering | Mar 21, 2026Our stakeholder list for this project included board members, operations leads, compliance, and end users, all with wildly different levels of technical fluency and different definitions of success. Managing that mix well is genuinely hard, and this team did it better than any vendor we've worked with. They shifted register depending on who they were talking to without ever dumbing down the substance, kept expectations honest the whole way through, and delivered something each group could point to as meeting their own bar. That range is rare.
Project summary
We hold vendors to the same standard our own clients hold us to, so the bar for this engagement was never going to be low. We needed a partner comfortable being measured against it.
| 4.0 Overall Rating |
| 3.5 Quality |
| 4.0 Schedule |
| 4.5 Project Cost |
| 5.0 Willing To Refer |
| Project Type: | AI & Machine Learning |
|---|---|
| Project Cost: | $50,000 to $149,999 |
| Project Duration: | Aug 2025 - Jan 2026 |
| Business Type: | Information Technology |
|---|---|
| Location: | Kochi, India |
Questions & Answers
Delivered exactly what the brief asked for, then kept improving past that point anyway
Soo-Ah Yoon / Director of Platform | Mar 18, 2026This was our fourth agency in three years, and I say that with some embarrassment. Every previous engagement had looked promising on paper and fallen apart somewhere in delivery. What was different here was the sequencing: they spent real time understanding the actual problem before proposing anything, rather than pattern-matching to a solution they already knew how to sell. The build ran to schedule, our own engineers had genuinely positive things to say during handover, and four months into live operation we haven't had a single critical incident. We're already talking about the next phase with them.
Project summary
This project had a board-facing deadline tied to a wider strategic push. We needed a partner who'd treat that date like it was their own problem, not just ours.
| 4.0 Overall Rating |
| 4.5 Quality |
| 4.5 Schedule |
| 4.5 Project Cost |
| 5.0 Willing To Refer |
| Project Type: | AR/VR Development |
|---|---|
| Project Cost: | $50,000 to $149,999 |
| Project Duration: | Apr 2025 - Feb 2026 |
| Business Type: | Aerospace & Defense |
|---|---|
| Location: | Daegu, South Korea |
Questions & Answers
Friday deployments finally feel routine instead of something to brace for
Karthik Iyengar / Head of Platform | Feb 27, 2026This was our fourth agency in three years, and I say that with some embarrassment. Every previous engagement had looked promising on paper and fallen apart somewhere in delivery. What was different here was the sequencing: they spent real time understanding the actual problem before proposing anything, rather than pattern-matching to a solution they already knew how to sell. The build ran to schedule, our own engineers had genuinely positive things to say during handover, and four months into live operation we haven't had a single critical incident. We're already talking about the next phase with them.
Project summary
Buyer behavior had gone fully digital-first and our search experience had quietly become a liability. It needed to match the quality of the listings it was supposed to represent.
| 4.0 Overall Rating |
| 4.0 Quality |
| 4.0 Schedule |
| 4.0 Project Cost |
| 5.0 Willing To Refer |
| Project Type: | Quality Assurance & Testing |
|---|---|
| Project Cost: | $50,000 to $149,999 |
| Project Duration: | Aug 2025 - Jan 2026 |
| Business Type: | Real Estate |
|---|---|
| Location: | Coimbatore, India |
Questions & Answers
They clearly understood the gap between an AI demo and an AI that survives production
Hamza Farooqi / Co-Founder & CTO | Feb 24, 2026Five months post-launch, we're running at roughly double the transaction volume we'd specified in the original scope document, and the platform hasn't needed a single structural change to handle it. That's the real tell for whether a team designed for what you told them versus what you were actually going to need. We're now scoping a second phase and I expect this to be a multi-year relationship at this point.
Project summary
New open banking rules meant our API layer needed rebuilding from scratch, with compliance designed in from the start rather than patched on afterward.
| 4.0 Overall Rating |
| 4.5 Quality |
| 3.5 Schedule |
| 3.5 Project Cost |
| 5.0 Willing To Refer |
| Project Type: | AI & Machine Learning |
|---|---|
| Project Cost: | $150,000 to $499,999 |
| Project Duration: | Aug 2025 - Dec 2025 |
| Business Type: | Financial Services |
|---|---|
| Location: | Karachi, Pakistan |
Questions & Answers
Improved both the outcome and the monthly cost line at the same time
Angus Fairbanks / Chief Digital Officer | Jan 09, 2026Our stakeholder list for this project included board members, operations leads, compliance, and end users, all with wildly different levels of technical fluency and different definitions of success. Managing that mix well is genuinely hard, and this team did it better than any vendor we've worked with. They shifted register depending on who they were talking to without ever dumbing down the substance, kept expectations honest the whole way through, and delivered something each group could point to as meeting their own bar. That range is rare.
Project summary
This project had a board-facing deadline tied to a wider strategic push. We needed a partner who'd treat that date like it was their own problem, not just ours.
| 4.5 Overall Rating |
| 4.5 Quality |
| 5.0 Schedule |
| 4.0 Project Cost |
| 5.0 Willing To Refer |
| Project Type: | IT Managed Services |
|---|---|
| Project Cost: | $50,000 to $149,999 |
| Project Duration: | Apr 2025 - Dec 2025 |
| Business Type: | Nonprofit & NGO |
|---|---|
| Location: | Brisbane, Australia |
Questions & Answers
Turned marketing spend from a cost debate into a revenue conversation with leadership
Henrik Schuster / VP of Technology | Jan 09, 2026Going in, the integration work was what worried me most. Our systems landscape is messy, a couple of the third-party APIs we depend on are barely documented, and one of those vendors has a well-earned reputation for slow, inconsistent support. This team absorbed all of that. They documented what the upstream providers wouldn't, built in resilience wherever the upstream behavior was flaky, and shipped something that has worked exactly as specified since go-live. I genuinely couldn't have asked for more on that front.
Project summary
How long it took us to launch a new tariff had become a genuine competitive disadvantage, and the product configuration layer was the obvious bottleneck to fix first.
| 4.0 Overall Rating |
| 4.5 Quality |
| 4.5 Schedule |
| 3.5 Project Cost |
| 5.0 Willing To Refer |
| Project Type: | Digital Marketing |
|---|---|
| Project Cost: | $500,000+ |
| Project Duration: | Aug 2025 - Nov 2025 |
| Business Type: | Telecommunications |
|---|---|
| Location: | Bremen, Germany |
Questions & Answers
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