On-Demand Projects Only

I take on fixed-scope, fixed-price projects only — no interviews. Describe your project and get a quote. 16+ years delivering in virtually any technology.

Get your quote

Accepting challenges building solutions

Arildo Junior · Senior FullStack Software Engineer

16+ years crafting digital products — web, mobile, scalable backend and artificial intelligence. 50+ apps delivered, including projects with 100+ million users.

WhatsApp Send email LinkedIn
16+ years of experience
50+ apps delivered
100M+ users reached
2015 building Zive IT
Arildo Junior

About me

I turn complex challenges into products that scale

I'm Arildo Junior, a Senior FullStack Software Engineer with 16+ years of experience. Leading Zive Information Technology since 2015, I deliver high-impact software solutions for global companies — from frontend to high-scale backend architecture.

My work spans mobile (iOS, Android, Flutter, React Native), scalable backend and artificial intelligence. I've shipped 50+ applications, including projects serving 100+ million users for global brands.

  • Based inCuritiba, PR · Brasil 🇧🇷
  • LanguagesPortuguese · English (fluent)
  • FocusWeb · Mobile · Backend · AI

Skills

Technologies I master

I build efficient, reliable and high-quality technology solutions for organizations across many segments — always tailored to each client's needs.

Frontend

Next.jsReactVueTypeScriptTailwindHTML/CSS

Mobile

iOS / SwiftAndroid / KotlinFlutterReact Native

Backend

Node.jsPythonFastAPIGoGraphQLPostgreSQL

Cloud & DevOps

AWSDockerKubernetesServerlessCI/CDTerraform

AI & Data

LLMsOpenAIRAGAWS BedrockSageMakerPandas

Architecture

MicroservicesEvent-drivenIoT / MQTTScalabilityClean Arch

Services

How I can sum up

⚡

FullStack Web Development

Modern, fast and scalable web apps, from frontend to API. Performance, SEO and a flawless experience.

📱

Mobile Apps

Native and cross-platform apps (iOS, Android, Flutter, React Native) ready for millions of users.

🏗️

Scalable Backend

Robust architectures, high-performance APIs and cloud infrastructure that grows with your business.

🤖

Artificial Intelligence

LLM integration, agents, RAG and smart automations to extract real value from your data.

🧭

Consulting & Architecture

Strategic technical guidance: architecture review, scalability, best practices and team acceleration.

🎓

Mentoring & Career

I help developers grow and land tech jobs in Brazil and abroad.

Cases

Projects that reached the world

A selection of products I helped build — from apps with millions of users to enterprise platforms.

Trusted by

Brands that trusted my work

NBA
Riot Games
Disney
Coca-Cola
Epic Games
Bradesco
Bosch
Novartis
Electrolux
Rolling Stone
China in Box
Mutual
100M+

users reached by projects I helped build and scale.

50+

applications launched across different markets and platforms.

16+

years solving real business problems with technology.

Get in touch

Let's build something together

Got a challenge in mind? Tell me about your project — I'll reply personally.

WhatsApp +55 (41) 99616-2887 E-mail arildo.junior@ziveit.com LinkedIn linkedin.com/in/arildo
Location Curitiba, Brazil