Full-Stack Software Architecture & APIs

Custom Software & Web Development

Bespoke web applications, high-performance APIs, relational database schemas, and microservice architectures engineered precisely to solve complex enterprise challenges.

See What We Build → Get a Quote →

React & Node REST & GraphQL PostgreSQL / MySQL Microservices

Why Custom Development

Built Without Limits for Complex Workflows

Architecture · Scale

Clean Full-Stack Architecture

Decoupled front-end interfaces powered by robust backend APIs and scalable database models built for longevity.

API · Integration

Custom API & Webhook Suite

Seamless third-party API wiring, secure OAuth authentication, and real-time webhook listeners.

Data · Integrity

Relational Database Schema

Optimized SQL database indexes, ACID compliance, and secure data encryption at rest and in transit.

DevOps · Cloud

Automated CI/CD Pipeline

Automated testing, containerized Docker deployments, and zero-downtime server migrations.

Our Work

Built for Real Outcomes,
Not Just Concepts

Case Study — Compliance Analysis Platform

Automated Regulatory Audit Engine

Engineered an automated supervisory audit platform for regulated payment service providers and FinTechs, featuring multi-step assessment wizards, automated paywalls, and 72-hour board-ready encrypted PDF audits.

4 Step Assessment Wizard

3 Supervisory Areas Checked

Key Deliverables

4-Step Assessment Wizard Payment Paywall API Encrypted PDF Generator Async Queue Workers

View Case Study →

What You Get

Every layer of your custom stack, engineered by Cr8v Stacks.

Custom API endpoints, reactive front-end dashboards, database schemas, continuous integration pipelines, and automated cloud deployments.

01 · Frontend

Reactive Single Page Applications

Ultra-fast React or Vue front-ends with state management and dynamic client-side rendering.

Discuss web applications →

02 · API

REST & GraphQL Backend APIs

Secure Node.js or Python API architectures with JWT authentication and rate limiting.

Discuss API engineering →

03 · Database

Relational Database Engineering

Optimized PostgreSQL and MySQL database models with automated migration scripts.

Discuss database architecture →

04 · DevOps

Docker & Cloud Infrastructure

AWS/DigitalOcean server provisioning, SSL certificates, and containerized Docker environments.

Discuss cloud DevOps →

05 · Testing

Automated QA & Unit Testing

Integration tests, end-to-end Cypress user flows, and continuous security vulnerability scans.

Discuss testing suites →

How We Approach It

How We Approach Custom Software Engineering

Our milestone-driven design and engineering process delivers clear progress at every phase of your project.

Discovery

Specs · Wireframes ·
API Mapping

We define system requirements, map user flows, and architect API specifications before writing code.

Architecture

Database · Security ·
Microservices

We construct database schemas, design API authentication paths, and set up Docker dev environments.

Engineering

React · Node ·
CI/CD

We build reactive front-end views, connect API endpoints, and execute unit test suites.

Deployment

AWS Cloud · QA ·
Handoff

We deploy to cloud servers, run end-to-end load tests, and hand over fully documented source code.

Development Options

Choosing Your Software Stack

Whether you need a web app, a portal, or API engineering:

Stack · Web App

Single Page Application (SPA)

For businesses requiring dynamic, desktop-like user experiences in the browser.

Stack · Portal

Client & Admin Portals

For organizations needing secure user authentication, role management, and internal dashboards.

Stack · API

Custom Backend API Engine

For enterprises scaling API microservices to handle heavy data processing and mobile apps.

Stack · Retainer

Engineering Retainer Support

Dedicated monthly developer hours for ongoing feature releases and DevOps management.

Unsure which technical architecture fits your software vision? Schedule a scoping call to review your system requirements with our engineers.

Start a Custom Dev Scoping Call →

Project Catalog

Every Kind of Custom System We Engineer

From SaaS web apps to enterprise portals — hover to inspect the engineering stack.

SaaS Product Web Applications

Multi-tenant SaaS web apps with subscription billing, user auth, and API keys.

SaaS Apps →

Customer & Client Portals

Secure client dashboards for file sharing, billing management, and real-time status updates.

Client Portals →

RESTful API & Webhook Engines

High-throughput backend APIs powering mobile applications and third-party integrations.

API Engines →

Internal Enterprise Dashboards

Custom administrative tools, data pipelines, and internal team reporting dashboards.

Enterprise Tools →

Microservice Architectures

Decoupled service modules communicating via GraphQL and high-speed message queues.

Microservices →

Cloud DevOps & CI/CD Pipelines

Containerized AWS/Docker cloud environments with automated deployment workflows.

Cloud DevOps →

Client Feedback

What clients say after launch

We needed a secure internal tool built around how our team really works. It was scoped clearly and delivered with full documentation.

Segun Afolabi — Technical Architect, Regent Compliance, Lagos

The custom system fits our operations exactly and has been dependable. New staff understand it because the handover was so clear.

Marcus Webb — CTO, Ardent Supply, Dallas

Separating the front end from a custom back end gave our team a cleaner, more flexible product to build on.

Elena Petrova — VP of Product, Quillfeather, Berlin

PRICING MODELS

HOW WE WORK TOGETHER

Whether you need a dedicated extension of your engineering team or a custom software build with guaranteed delivery, we have a model to fit.

Ongoing Support

Growth Retainer

$800/mo

A monthly block of dedicated senior engineering hours for ongoing feature development, code refactoring, performance tuning, and DevOps support.

Dedicated monthly developer hours block

API maintenance & database optimizations

Feature releases & CI/CD pipeline tuning

Secure Retainer Slot

Fixed Scope

Fixed Projects

From $2,500 entry

A deep, focused custom web application build with transparent scoping, milestone deliverables, and full source code ownership.

Custom React/Vue front-end SPA dashboard

Node.js REST/GraphQL backend API engine

PostgreSQL database schema & Docker DevOps

Start A Project

Project Scope Estimator

Build Your Stack Estimate

Select your desired setup below to calculate an immediate starting price range estimate for your project.

1. Core Application Package

2. Architecture Complexity

3. Engineering Add-Ons

Estimated Starting Investment

$2,500 - $3,125

Included Deliverables:

• Custom React/Vue front-end SPA

• Node.js API & PostgreSQL database

• Clean, documented source code repository

Submit Scope Request Or build a custom stack with our Calculator →

COMMON QUESTIONS

Custom Development FAQ

Clear answers to common questions about our React, Node.js, API engineering, and database deployment processes.

Talk to us

Off-the-shelf CMS plugins force your business logic into pre-built constraints, leading to performance bottlenecks and security vulnerabilities. Custom software is engineered around your exact data structures and user workflows, delivering uncompromised speed and scalability.
We build modern web applications using React, Next.js, and TypeScript on the front-end, paired with Node.js, Express, Python, or Go for backend APIs, connected to PostgreSQL, MySQL, or MongoDB database clusters.
You own 100% of the custom source code, repository IP, database schemas, and documentation upon final milestone payment. We provide full Git repository access with zero vendor lock-in.
We implement industry-standard OAuth 2.0, JWT token rotation, HTTPS encryption, API rate limiting, and CORS policy hardening to prevent unauthorized access.
A standard web application MVP or client portal takes 4 to 6 weeks from initial architecture specification to cloud production launch. Complex SaaS platforms take 6 to 10 weeks.
Yes. We offer monthly engineering retainers providing dedicated developer hours for feature releases, cloud infrastructure scaling, database backups, and emergency SLA response.