Cesar's Portfolio

Welcome to My Portfolio

Explore my projects, skills, and experiences as a software engineer.

About me

Hi, I’m Cesar — a passionate front-end developer with a love for crafting interactive and modern web experiences. I'm constantly exploring new technologies, and I thrive on building elegant and responsive interfaces that blend design and performance. Let’s build something great together!

Projects

Realtime chat app example

An example of a realtime chat application built with Next.js, TypeScript, and Tailwind CSS. It showcases real-time messaging features using WebSockets.

Timeline

Here's a timeline of my journey.

2023 - 2025

AnjunAnjun Express is a well-established company in the e-commerce logistics sector in Brazil, originating in China and established in the country since the pandemic, as part of a strategic merger that brings together more than two decades of accumulated experience.With a robust structure, cutting-edge technology, and broad national reach, the company offers complete solutions—from pickup to final delivery—with strong IT support and a focus on service quality. In addition, it maintains strategic partnerships with major global companies, such as Shein and TikTok, strengthening its presence and relevance in the Brazilian market.Highlights:

Systems integration with e-commerce APIs, carriers, and ERPs.
Process automation for tracking, ETA calculation, and route optimization.
Real-time applications for monitoring package arrival and departure.
Large-scale data analysis of orders and logistics performance.
Scalability & performance for high-traffic, high-volume systems.
Logistics-focused UX for customers, drivers, and internal operators.

Key skills

TypeScriptJavaScriptNextJsReactUser Experience (UX)NodeJsMySQLPrisma

2023 - 2025

Anhanguera — Systems Analysis and Development (Technologist)

Technologist degree focused on analysis, development, implementation, and maintenance of systems, with an duration of 2.5 years (5 semesters), in online format.

Duration2.5 years (5 semesters)

FormatOnline

Workload per semester395h • 395h • 475h • 465h • 395h

Complementary Activities75h

Semesters

1st Semester

~395h

Computer Architecture and Organization
Logic Programming and Algorithms
Interface and Usability
Software Project
Applied Mathematics for IT
Integrative Project I

2nd Semester

~395h

Data Structures
Database I
Object-Oriented Programming
Computer Networks Fundamentals
Software Engineering
Integrative Project II

3rd Semester

~475h

Web Development (HTML5, CSS, JavaScript)
Database II
Operating Systems
Systems Analysis and Design
Secure Software Development
Integrative Project III

4th Semester

~465h

Mobile App Development
DevOps and Cloud Computing
Information Security
Software Testing and Quality Assurance
Entrepreneurship and Innovation
Integrative Project IV (Pre-Thesis)

5th Semester

~395h

Software Architecture
Software Project Management (PMI/Agile)
System Modeling and Integration (REST APIs)
Big Data & Analytics (Introduction)
Special Topics in IT (AI/Cloud/Serverless)
Final Project / Thesis
Complementary Activities (75h)

Key Skills

Web Development (HTML, CSS, JS)OOP and Data StructuresDatabase Management (SQL)Computer NetworksDevOps & Cloud (concepts)Mobile Development (intro)Information SecurityAgile MethodologiesUX / UI & UsabilitySoftware Engineering

2022 - 2023

ALTATECH SystemsALTATECH Systems is a Brazilian company that offers agile software development and IT consultancy services, working on front-end, back-end, Scrum, Product Ownership and business analysis projects. It serves various niches, excelling in complex and digital systems, with a presence in Poços de Caldas, MG.Highlights: