Web platforms
High-performance web systems and applications with React, Next.js and Node.js, from admin dashboards to SaaS products.
ReactNext.jsNode.js
Software engineering · Brazil
Custom software, AI and cloud for companies that need to scale.
DEVJASJ designs, builds and operates digital products — from mobile apps to web platforms and AI-powered automation — on cloud-native AWS architecture.
- years of engineering experience
- 5+
- in-house products in production
- 2
- cloud-native and serverless architecture
- AWS
Services
What DEVJASJ does
From concept to production, we deliver reliable, scalable software that is easy to evolve.
Mobile apps
iOS and Android apps with React Native, real-time notifications and full integration with your backend.
React NativeiOSAndroid
AI & automation
Process automation and artificial intelligence solutions in Python: data analysis, LLMs and intelligent workflows.
PythonLLMsAutomation
Cloud & architecture
Serverless and microservice architectures on AWS, focused on scalability, security and predictable cost.
AWSServerlessMicroservices
Products
Products in production
Beyond client work, DEVJASJ builds and operates its own digital products.
Piloto Financeiro
Mobile app · Finance
Financial management app for ride-hailing drivers. Expense and earnings tracking with smart insights to increase the profit of every ride.
- Expense and earnings tracking
- AI-powered insights
- Available on Android
Stack
React NativeNode.jsAWS LambdaDynamoDB
AuroPost
SaaS · Content marketing
An AI-operated content agency. Ready-to-publish posts, emails and articles, delivered consistently and paid per delivery.
- Content for social media, email and blog
- AI production with human review
- Monthly strategic content plan
Technology
Technologies we master
A modern, proven stack chosen to ship fast without compromising quality.
Node.js
Backend APIs and services
React
Modern web interfaces
React Native
iOS and Android apps
Python
AI, data and automation
AWS
Cloud and serverless
TypeScript
Typed, safer code
Next.js
Fast, SEO-friendly web
PostgreSQL
Relational data
Process
How we work
A lean, transparent process, from first contact to continuous product evolution.
- 01
Discovery
We understand the business, goals and constraints before writing a single line of code.
- 02
Architecture
We define the right technical solution, stack and infrastructure for your scenario.
- 03
Development
Incremental deliveries with code quality, reviews and visibility at every step.
- 04
Launch & evolution
Production release, monitoring and continuous improvement driven by real data.
Company
About DEVJASJ
DEVJASJ is a Brazilian software development company focused on building robust, scalable and results-driven digital products.
We combine software engineering, artificial intelligence and cloud computing to turn ideas into production software — for clients and for our own products.
Credentials
Education and certifications
Degree
Bachelor's Degree in Information Systems
Estácio · 2020 – 2024
Certification
Software Development Certification
JStack · 2021
Contact
Ready to build your next product?
Tell us about your project. We reply within one business day.