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Service 03 · From 1 500 €

Backend built to carry the load.

The server-side engineering behind a real cloud product: multi-user data architecture, accounts that stay secure under pressure, and subscription billing that survives contact with actual customers.

Request this service What's included

Multi-tenant data

Recurring billing

AWS · DO · GCP

platform.cloud / scaling

Scope

What the 1 500 € covers

The engineering foundation your product is going to sit on for years.

Objective

Engineering robust server-side logic and backend architecture for cloud-based IT products.

Development

Designing multi-user database architecture, securing user accounts, and building subscription billing models.

Outcome

A highly scalable web application engineered to handle peak traffic and custom business logic.

Deployment

Environment configuration, final testing, and launch on AWS, DigitalOcean, or GCP.

Starting price

^from1 500 €

0 % VAT · not a VAT payer

Multi-user database architecture
Secure account & session handling
Subscription billing models
Custom business logic
Environment config & final testing
Launch on AWS / DigitalOcean / GCP

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Architecture

Decisions that are expensive to change later

These are the ones worth getting right on day one — which is exactly what this scope is for.

Multi-tenant data model

Every query scoped to the right account from the start. Retro-fitting tenant isolation into a live product is one of the most painful and expensive rewrites there is — so it is designed in, not bolted on.

architecture.log

→tenant isolation: row-level

→sessions: rotating tokens

→

Account security

Hashed credentials, session rotation, rate limiting and permission checks enforced server-side.

Billing that reconciles

Upgrades, downgrades, proration, failed payments and cancellations — modelled as real states, not edge cases.

Engineered for peak traffic

Indexed queries, cached hot paths and a deployment topology that can scale horizontally when your launch day actually works. Load behaviour is verified before go-live, not discovered by your users.

Backups & recovery

Scheduled backups with a restore procedure that has actually been tested at least once.

Technical detail

Stack & delivery

Server-side logic

Business rules implemented on the server where they cannot be bypassed by a modified client request.

Database

Relational schema designed for the access patterns your product actually has, with indexes and migrations under version control.

Accounts

Registration, login, password reset, role-based permissions, and audit-friendly activity records.

Subscriptions

Plans, trials, recurring charges, invoices and lifecycle webhooks wired to a payment provider.

Environments

Separate configuration for development, staging and production — secrets kept out of the repository.

Launch

Provisioning, domain and SSL, monitoring hooks and a documented deploy procedure on AWS, DigitalOcean or GCP.

“We needed the unglamorous part done right: server-side logic, a database that handles many users properly, and subscription billing that doesn't break. That is exactly what was delivered, tested and launched on cloud infrastructure. It has handled our traffic peaks without a single incident.”

Dainis VorslavsJūrmala · SaaS Platform · 1 500 €

Invoice2026-0819

FAQ

SaaS platform
questions

Bring the product idea and the business model — the architecture follows from those two things.

This scope is the server-side engineering and backend architecture — the part that determines whether your product survives growth. The user interface is quoted alongside it once we know how many screens and states it needs.

DigitalOcean is usually the most economical for an early-stage product; AWS and GCP make more sense when you need managed services or specific regions. You'll get a recommendation based on your expected load and budget — and the account stays in your name either way.

That is what "engineered to handle peak traffic" means in the scope: indexed queries, caching on the hot paths, and a topology that can scale horizontally rather than falling over when a campaign works.

You do. Cloud accounts and payment provider accounts are registered to your company. We configure them, document the setup, and hand over access along with the repository.

Often yes. Send repository access or a description of the stack, and you'll get an honest assessment — including the case where a rewrite would genuinely cost less than continuing.

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Next step

Build it to last from the start

Describe the product, the pricing model and the expected number of users. You'll get an architecture proposal and a price.

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