01Social · iOS
Remnants
A location-based social memory app for iOS, with a custom backend.
View work →SaaS & web platform development
SAASBUILT TOSCALEAND SELL.
Prysmus designs and builds SaaS products, web platforms and internal tools from scratch, around how your business actually works. Not a template forced to fit, and not a prototype that buckles at real scale.
What we do
We turn a business that hasoutgrown its tools into a product.Companies come to us when aspreadsheet, an off-the-shelf app or afirst prototype stops keeping up. Wetake the architecture, the interface andthe launch, and ship a platformthat holds its shape as yougrow.
Services01
What our platform work covers
Web platforms, internal tools and SaaS built from scratch around how your business actually works, not a template forced to fit.
iOS and Android products with native-grade motion and polish, shipped to the App Store and Play Store and maintained past launch.
Interface, brand and motion designed together, so the software looks and feels like a product people trust, not an internal admin panel.
Practical AI woven into your product where it earns its place, from assistants to automation, on the latest Claude and frontier models.
Marketing sites and funnels engineered for speed, search and conversion, with the same craft as the product itself.
A team that stays. Iteration, support and roadmap work after launch, with one accountable point of contact.
Recognition04
20+
★★★★★
products shipped · Top Rated Plus on Upwork
Trusted by founders across the US, the Gulf and beyond.
”
They built exactly what we imagined and then made it better. The design and polish are on another level.
Founder, marketplace platform
Selected work01 / 04
02Logistics · On-demand
Zaseva
An on-demand marine delivery platform, designed and built end to end.
View work →03Social · Mobile
Debatable
A social debate app where the crowd settles the wildest arguments.
View work →04Fintech · Mobile
Stackbits
A rewards and redemption app with a points economy and a custom backend.
View work →
+6More projectsView all work →
Clients03
Brands we've built.
RainyLeadsStackbitsValEngineersHolo StreetRoveRainyLeadsStackbitsValEngineersHolo StreetRoveRainyLeadsStackbitsValEngineersHolo StreetRoveRainyLeadsStackbitsValEngineersHolo StreetRoveRoveHolo StreetValEngineersStackbitsRainyLeadsRoveHolo StreetValEngineersStackbitsRainyLeadsRoveHolo StreetValEngineersStackbitsRainyLeadsRoveHolo StreetValEngineersStackbitsRainyLeads
RoveHolo StreetValEngineersStackbitsRainyLeadsRoveHolo StreetValEngineersStackbitsRainyLeadsRoveHolo StreetValEngineersStackbitsRainyLeadsWhy companies choose Prysmus for their platform
01
Architecture that lasts
Built on a clean foundation from day one, so the second version is an extension of the first, not a rewrite. We have shipped .NET and Node platforms built to grow.
02
Software that sells itself
Most shops can build the backend. Few can make a platform feel premium enough to demo and close on. We do both, so the product earns trust the moment it opens.
03
Admin, payments, the whole thing
Dashboards, roles, billing, integrations and the admin panel your team runs it from. The parts other shops leave for later, built in.
04
Senior, end to end
The people who scope your platform are the people who design and build it. No junior bench, no handoffs.
Frequently asked
Can you build a multi-tenant B2B SaaS?
Yes. We have built web platforms with roles, tenanted data, admin panels and payments, designed for teams and operators rather than a single user.
Can you take over an existing platform?
Often, yes. We start by understanding the codebase and where it hurts, then either extend it or rebuild the parts that are holding you back, with a clear plan either way.
How is a SaaS project priced?
Per milestone, so you see what each phase delivers before it starts. Most engagements begin with a focused first build and grow from there.