Open to opportunities

Cássio Campos

@cssiocampos

Message

Fullstack web developer specializing in .NET, modern frontends, and scalable payment systems.

Brazil

Message

What I'm looking for

I seek roles where I can modernize and scale web platforms, work in agile teams, improve CI/CD/testing, and drive measurable performance and reliability gains.

I am a Fullstack Web Developer with deep .NET experience and a versatile frontend toolkit including Vue.js 3, React.js and Angular; I build and modernize scalable web applications and improve performance across payments and CRM domains.

I collaborate in agile teams (Scrum, SAFe, Kanban), work with CQRS and RESTful APIs, improve test coverage and CI/CD pipelines, and have driven measurable impacts like performance gains, automation that reduced support load, and major production availability improvements.

Experience

Work history, roles, and key accomplishments

Current

Fullstack Software Engineer

Current

Dev.Pro

Apr 2024 - Present (1 year 6 months)

Collaborated in an international Scrum/SAFe team to modernize CRM and sales platforms for a global payments provider; developed .NET backends and React/Vue frontends, improved test coverage, and managed CI/CD with Azure DevOps.

CQRS REST APIs Azure DevOps xUnit Vitest C++.NET React Vue.Js SQL Server

Fullstack Web Developer

Wassamara

Jan 2023 - Mar 2024 (1 year 2 months)

Drove backend optimizations and architecture improvements for payments systems, improving performance 30%, reducing support workload from 50% to 20%, and modernizing legacy processes to cut execution time from 6 minutes to 4 seconds.

C++.NET 8+Entity Framework Dapper Docker PostgreSQL Vue.Js Jenkins xUnit

Fullstack Web Developer

Seg Imob Seguros Imobiliários

Feb 2022 - Dec 2022 (10 months)

Designed and implemented core .NET and Angular features to improve system stability and maintainability, optimized database queries and algorithms, and helped introduce Scrum to increase delivery predictability.

C++.NET Entity Framework Angular SQL Server REST APIs GitHub Performance Optimization Scrum

Education

Degrees, certifications, and relevant coursework

Federal University of Uberlândia

Bachelor of Information Systems, Information Systems

2020 - 2024

Completed a Bachelor of Information Systems focused on software development, databases, and systems engineering with practical projects in web applications and backend systems.