Building software that helps businesses grow.
I'm Cássio Alves, a software engineer with over 15 years of experience. I build websites, applications, and custom software solutions that turn ideas into digital products.
Engineering with business at the center.
I'm Cássio Alves, a software engineer and founder of CALABs. For over 15 years, I've helped businesses turn their needs into digital solutions, combining technical expertise, business understanding, and hands-on involvement in every project.
My experience includes production SaaS platforms, enterprise software, CRM, ERP, cloud applications and healthcare systems, from delivery to ongoing improvement.
My expertise centers around the Microsoft ecosystem with C#, .NET and Azure together with React, Next.js and modern frontend technologies.
Senior engineering expertise, direct collaboration, and solutions designed around your business. I make technical decisions with business needs and reliable delivery in mind.
- Brazil
- United States
- English
- Portuguese
What I build.
Websites, applications and digital solutions designed around your business needs, from first contact with customers to day-to-day operations.
Websites & Landing Pages
Professional websites and landing pages to showcase your business, promote your services, and make it easier for customers to reach you.
- Responsive Design
- SEO
- Analytics
- Contact Forms
- WhatsApp Integration
- Hosting Deployment
Custom Web Applications
Management systems, SaaS platforms, and custom applications designed to streamline operations and support business growth.
- CRM
- ERP
- SaaS Platforms
- Scheduling
- Inventory
- Dashboards
Mobile Apps & Integrations
Mobile applications and digital platforms built around your business needs. System integrations, APIs, and automation to reduce manual work and improve efficiency.
- Mobile Applications
- Digital Platforms
- System Integrations
- APIs
- Process Automation
- Connected Workflows
Technical Consulting
Software architecture and development consulting for companies that need experienced technical support.
- Code Review
- Architecture Review
- Technical Roadmap
- Performance
- Cloud Strategy
Projects with measurable outcomes.
A snapshot of platforms and systems I've architected and delivered.
15+ years shipping production software.
The tools I ship with.
Battle-tested tools across backend, cloud, frontend and DevOps.
A predictable way to ship.
Seven steps from discovery to continuous improvement.
Discovery
Understand the business, users and constraints.
Planning
Scope, roadmap, milestones and success metrics.
Design
Architecture, UX flows and technical design.
Development
Ship in short, testable iterations.
Testing
Automated + manual QA. Performance & security.
Deployment
CI/CD, observability, and safe rollouts.
Continuous Improvement
Iterate on real data, KPIs and user feedback.
Common questions.
Have an idea or need a solution for your business?
Tell me what you need. Let's discuss the best solution for your project, with no commitment.