Solve.rs
AI Growth Engineering Studio

Go Rapid
or Die.

We engineer AI-powered growth systems for SaaS founders. Speed with structure. Measurable from week one.

Book Growth SprintSee the framework

Behind Vodostaj.rs, Plovim.com, Jig&Bau, OTA Sync and the Kruševac Sports Union portal.

Live Casevodostaj.rs
2.6M
Impressions
60K
Organic clicks
#1
Google rankings
React SPA → Next.jsSEOReal-time data
3–6 wk
Growth Sprint duration
100%
Measurable uplift
Live
Growth Intelligence engine
The stack

Engineered on a modern, AI-native stack.

Next.js
React
TypeScript
Supabase
Vercel
Claude
Tailwind
Stripe
What we do

Services built for digital products that need to grow.

Every engagement is structured, measurable, and designed to produce compounding returns — not one-off deliverables.

All services

AI Growth Sprint™

A 3–6 week engagement from SEO audit to shipped changes, with ranking, CTR and conversion uplift you can measure.

SEO ArchitectureConversionImplementation

Custom Platforms & Web Apps

Next.js platforms, marketplaces and data tools, from idea to production. Engineered properly, AI-augmented for speed.

Next.jsFull-stackMarketplaces

Admin Panels & CMS

Content, products, orders and users in one place: a custom admin built around how you work, or Sanity & Supabase.

Custom AdminSanitySupabase

Growth Intelligence Engine

GSC, GA4 and custom events feed an AI analysis layer that surfaces weekly ranking opportunities and conversion friction.

GSC APIGA4AI Analysis

SEO-First Architecture

Technical SEO and content architecture for organic growth: semantic clusters, internal linking and structured data.

Technical SEOContent ClustersSchema.org

Design & Brand Sites

Fast, premium brand and company sites with editorial design, an editable CMS and SEO baked in from day one.

Custom designNext.jsCMS
Products

Our own app for invoicing, KPO and e-invoices.

invoice.solve.rs is the business app we built for our own company, and now offer to others. Invoices and pro formas, SEF e-invoices, the KPO book, bank statements, inventory and payroll, in one place and built for doing business in Serbia.

Who it’s forFor sole tradersInvoices, pro formas, the KPO book, e-invoices and turnover limits in one place.For businessesInvoicing, SEF, bank, expenses, inventory and payroll for LLCs and sole proprietors who keep full books.For accountantsAll client companies under one login, a monthly package for the accountant, IOS statements and ledgers.
See all products

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invoice.solve.rs
App modules8 modules
  • Runs in the browser on desktop, tablet and phone, and installs on your phone like an app
  • Each company's data is kept separate, hosted in the EU (Frankfurt)
How it works

From audit to measurable uplift.

One structured sprint, four deliberate moves. No retainers of busywork — every step compounds into measurable growth.

STEP 01

Audit

We map your product, SEO surface, and conversion paths to find the highest-leverage opportunities.

STEP 02

Architect

We design the SEO and growth architecture — semantic clusters, internal linking, and the measurement layer.

STEP 03

Implement

We ship, fast. AI-augmented engineering compresses weeks of build into days without cutting quality.

STEP 04

Measure

GSC and GA4 data feed a growth loop. Every change is tied to rankings, CTR and conversion uplift.

Case Studies

We've got receipts.

All case studies
Vodostaj.rs — live site (mobile)
★ FeaturedPlatform Development

React SPA → Next.js: 2.6M impressions, #1 rankings.

A React SPA migrated to Next.js: 2.6M impressions and 60K organic clicks from launch through July 31, 2026, with #1 Google rankings and users across Serbia, Bosnia, Croatia, Germany and beyond. SEO-first from day one.

React SPANext.jsSEOOrganic Growth
Read the full case
2.6M
Google impressions
60K
Organic clicks
#1
Google rankings
Plovim.com — live site (mobile)
Marketplace
02

A nautical marketplace for the Balkans.

Boats, jet skis and marine gear for Serbia, Montenegro and Bosnia — listings, dealer profiles, tours and an editorial magazine, built SEO-first on Next.js.

Live
In production
P2P
Boat & gear listings
Mag
Editorial content
Sportski savez Kruševca — live site (mobile)
Sports Platform
03

A digital hub for a city's 85 sports clubs.

The official platform of the Kruševac Sports Union — a searchable directory of 85 member clubs across 40+ disciplines, with news, events and documents.

85
Member clubs
40+
Sports disciplines
Live
Production
Start a project

Ready to engineer growth?

We work with SaaS founders who need measurable growth, not vanity metrics. Tell us what you're building — we'll respond within one business day.

hello@solve.rsKruševac, Serbia · We also work remotely

Let's talk about your project

Answer a few short questions and we’ll suggest the right solution and the next step.

  • Quick 2-min chat
  • Tailored solutions
  • No spam or sales calls
  • Reply within one business day