Case studies

Work we can name, and people who can answer for it.

Engagements written up in full — the figures measured, the work described, and the client named wherever we are free to name them.

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Where a client can be named, we name them. Where they cannot, we describe the work without them and say so. The figures are the ones that were measured. You meet the team who did it on the call.

What these delivered

~1.3×
operational efficiency after launch
Logistics · Japan
Sagawa Express
Replacing phone-and-spreadsheet courier bookings with an online platform
A national courier's pickup requests arrived by phone and were tracked in spreadsheets. Our team designed the online booking platform and driver application that replaced both.
Design and product leadership by our team, delivered while at Monstarlab for Sagawa Express.
- User research
- Service design
- Information architecture
- Prototyping
- UI design
- Mobile application design
- Design systems
Read the full case study
48,000+
parking lots managed on the platform
Mobility · Japan
Tokup
A parking reservation platform managing 48,000+ parking lots
A reservation product covering tens of thousands of parking lots nationwide, where the design problem was density — finding one usable space quickly, on a phone, in a hurry.
Product design by our team, delivered while at Monstarlab for Tokup.
- UX research
- Information architecture
- Search and map interface design
- Mobile-first UI design
- Design systems
- Prototyping
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~1M
requests per day handled by the Go services
Developer infrastructure · United Arab Emirates
Platform-as-a-service product, Dubai
The Rust backend behind a production platform-as-a-service
Core backend, microservices, billing and the internal tooling that let an entire engineering team run the production stack locally — plus Go services elsewhere handling roughly one million requests a day.
Backend engineering by our team, delivered under a previous employer in Dubai. The high-throughput Go work described below was delivered earlier for a client we are not able to name.
- Rust
- Go
- Microservices
- REST & gRPC
- PostgreSQL
- Redis
- Kubernetes
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5
sales channels in one order queue
Grocery retail · In-house
In-house product
A retail business running stock, orders, point of sale and books in one system
A grocery business selling through five channels at once, where the real cost was not selling — it was the nightly reconciliation between a register, a spreadsheet, a phone and an online store that never quite agreed.
Built and run in-house by our team. Shown here with demonstration data.
- PHP
- Laravel
- Livewire
- MySQL
- Tailwind CSS
- Role-based access control
- Inventory movement ledger
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2
portals — customer and operations — from one codebase
Subscription delivery · In-house
In-house product
Subscription deliveries that schedule, route and bill themselves
A recurring-delivery business where the operational load is not the deliveries themselves but the arithmetic around them — who gets what today, who paused, who owes, and what changes when one customer skips a week.
Built and run in-house by our team. Shown here with demonstration data.
- Next.js
- React
- Express
- MySQL
- JWT authentication
- Scheduled jobs
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6
service lines, each with its own page
Facility management · Client project
A facility-management company
A service business site built to win the inquiry, not just describe the work
Its buyers are procurement teams comparing vendors on paper, so the site has to make the single-vendor argument itself — and then make the inquiry effortless.
Designed and built by our team for a facility-management company. The client is not named here.
- PHP
- Laravel
- Blade
- Tailwind CSS
- Alpine.js
- Structured data
- Lead capture and spam protection
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3
practices under one custom admin
E-commerce services · Client project
An e-commerce agency
A corporate platform with a large catalog the client maintains themselves
Three distinct practices and a service catalog too large for a static site, where the requirement was that the client could restructure their own offering without a developer.
Designed and built by our team for an e-commerce services agency. The client is not named here.
- PHP
- Laravel
- Blade
- Tailwind CSS
- Alpine.js
- MySQL
- Custom admin panel
Read the full case study

Every study here is one we can stand behind line by line, and the list grows as engagements finish.

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Tell us what you are building and we will tell you which of us would be on it, and what the first two weeks would look like.

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On the call: Your goals, what exists today and the first steps. No account manager in between.
Afterwards: A written scope and a price within days — or a straight answer that we are not the right team.
No obligation: Nothing is committed until a scope is signed, and anything we send you is yours to keep.

We reply to every inquiry within one business day. Prefer email? info@sparqweb.com

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Work we can name, and people who can answer for it.

Replacing phone-and-spreadsheet courier bookings with an online platform

A parking reservation platform managing 48,000+ parking lots

The Rust backend behind a production platform-as-a-service

A retail business running stock, orders, point of sale and books in one system

Subscription deliveries that schedule, route and bill themselves

A service business site built to win the inquiry, not just describe the work

A corporate platform with a large catalog the client maintains themselves

Want the same people on your project?