01
BUILD
Products that solve the whole problem.
Web and mobile applications, APIs, and integrations designed as one system — not isolated deliveries.
React · React Native · Next.js · Node.js
Carlos David Romão BarbosaCTO · TECH LEAD · SOFTWARE ENGINEER
I design systems that turn complexity into growth.
Full-stack software engineer and technical leader with 7+ years building products, platforms, and operations that connect technology to real outcomes.
VARJOTA · CE · BRAZIL
7+years building
WEB / MOBILE / BACKENDend-to-end product
ENG / INFRA / LEADvision beyond code
02HOW I OPERATE
From the first architecture decision to a product in production.
My work combines product engineering, platform, and leadership. The goal is to reduce technical friction without losing speed, quality, or business context.
02
SCALE
Infrastructure that keeps up with ambition.
Performance, observability, automation, and cloud to keep services reliable as product and operations evolve.
AWS · Docker · CI/CD · Kubernetes · Coolify
03
LEAD
Technical clarity that multiplies the team.
Architecture decisions, code review, mentoring, and multidisciplinary alignment to turn knowledge into a repeatable execution standard.
Architecture · Mentoring · Code review · Agile
03SELECTED SYSTEMS
Real products, in real contexts.
From telecom self-service to education, these cases show where product, engineering, and user experience meet.
CASE / 01IN PRODUCTION · 100+ PROVIDERS
SOFTWARE ARCHITECTURE · WHITE LABEL FOR ISPs
SuperApp
2024 — 2026 · WHITE-LABEL PLATFORM
A white-label app for internet service providers: billing, support, Wi-Fi, notifications, and a marketplace in a single app branded for each provider. I was the platform's software architect, responsible for full-stack development, infrastructure, microservices, and databases.
- Multi-provider white-label architecture, published on iOS and Android
- Admin panel for branding, feature modules, and real-time metrics
- Notifications segmented by plan, neighborhood, and city
Software architectureFull stackInfrastructureMicroservicesDBA
CASE / 02PUBLISHED APPLICATION
MOBILE PRODUCT · TELECOM
Minha Online
AUG 2023 — APR 2024 · ONLINE TELECOM
A self-service app for Online Telecom customers, associated with my work at the company and published for iOS and Android.
- Duplicate invoices and monthly payments
- Daily and monthly usage analysis
- Support tickets and internet safety content
Full stackReact NativeScrumIntegrations
CASE / 03ARCHIVED PROJECT
EDUCATION · WEB PLATFORM
Redatech
MAR 2019 — NOV 2020 · EEEP GUIOMAR BELCHIOR AGUIAR
A project designed to encourage essay-writing studies through content written in simple, direct language.
- Accessible educational content
- An experience focused on writing practice
- Developed as a collaborative project
Front-endEducationContentCollaboration
04TRAJECTORY
The evolution was not linear. It was cumulative.
Product, infrastructure, and leadership were added along the way. Some roles happened in parallel and expanded my perspective across different operations.
- 2020 — 2024
Software Engineer
Dsoluções
Web and mobile apps, APIs, integrations, AWS, deployment automation, and technical mentoring.
- 2021 — 2024
Systems Analyst → DevOps Engineer
Online Telecom
Full-stack development and infrastructure for the specific demands of internet service providers.
- 2023 — 2025
Software Engineer
Evalue Technologies
A temporary role that broadened my technical and delivery repertoire in new product contexts.
- 2024 — 2025
Developer
BOX3
SaaS product development focused on continuous evolution and delivering value to customers.
- 2024 — 2026
Senior Software Engineer → Tech Lead → Head of Tech
Somax Tecnologias
Web, mobile, and backend products for ISPs, contributing to architecture, technical standards, code review, and team growth.
- 2025 — 2026PARALLEL ROLE
Head of Tech
SLZ Software
A continuation of my technical leadership path in a remote software development operation.
- 2026 — PRESENT
Senior Software Engineer → Tech Lead → Head of Tech
AZOS Softhouse
Web, mobile, and backend products for ISPs, contributing to architecture, technical standards, code review, and team growth.
05CAPABILITIES
Technical depth with product context.
Tools change. The ability to frame problems, make decisions, and guide systems over time remains.
A
Product & interfaces
Consistent experiences across browsers and mobile devices.
- React
- Next.js
- React Native
- TypeScript
- Redux
B
Backend & data
Services, integrations, and data models built to grow.
- Node.js
- REST
- GraphQL
- NestJS
- PostgreSQL
- Redis
C
Platform & operations
Automated delivery and reliability-oriented infrastructure.
- AWS
- Docker
- Jenkins
- Kubernetes
- GitHub Actions
- Coolify
D
Technical leadership
Shared decisions that increase autonomy and quality.
- Architecture
- Mentoring
- Code review
- Scrum
- Kanban
OPEN A NEW CHANNEL
If the challenge requires engineering and vision, let's talk.
I am open to conversations about digital products, architecture, platform evolution, and technical leadership.
Send an email[email protected]Connect on LinkedIn, Opens in a new tabCHANNEL OPEN · BRAZIL / REMOTE