Rafa Vinhas

RV

Open to opportunities

Rafa Vinhas

@rafavinhas

Backend developer with 4+ years in Java and SQL; building reliable production systems.

What I'm looking for

I’m looking for a backend-focused role where I can build reliable Java/SQL systems in production. I want to collaborate closely, solve real problems, and keep growing—while expanding into JavaScript/TypeScript, React, Node, and Supabase.

I’m a backend developer with 4+ years of professional experience in Java and SQL, focused on delivering stable systems in production. I’ve built and maintained Java-based, OOP-structured services and optimized SQL using Hibernate to keep critical applications reliable.

In my current role at SAA Software (11/2021 – 05/2026), I improved the reliability of critical applications by developing and maintaining Java-based systems and optimizing SQL via Hibernate, ensuring 4+ years of uninterrupted production operation. Previously, as an IT Intern at BSM & Portes Advocacia (04/2020 – 11/2021), I maintained full operational continuity with zero data loss through preventive and corrective hardware maintenance and server backups with an information security focus.

Today, I’m actively exploring JavaScript, TypeScript, React, Node, and Supabase through personal projects. I bring advanced English and a problem-solving mindset, and I’m open to challenges across different industries and technologies.

Experience

Work history, roles, and key accomplishments

BA

IT Intern

BSM & Portes Advocacia

Apr 2020 - Nov 2021 (1 year 7 months)

Maintained full operational continuity with zero data loss by performing preventive and corrective hardware maintenance and managing server backups with a focus on information security.

Hardware Maintenance Information Security Data Loss Prevention Troubleshooting

Education

Degrees, certifications, and relevant coursework

ES

Escola Estadual Alda Gawlinski Scopel

High School Diploma, Secondary Education

2018 - 2026

Earned a High School Diploma at Escola Estadual Alda Gawlinski Scopel.

WI

Wizard

Advanced English Course (EFSET C2), English

2017 - 2023

Grade: EFSET C2

Completed an Advanced English course with an EFSET certificate indicating C2 level proficiency.

IG

IFMT - Federal Institute of Education, Science and Technology of Mato Grosso

Análise e Desenvolvimento de Sistemas, Systems Analysis and Development

2019 - 2022

Completed a program in Systems Analysis and Development at IFMT from 2019 to 2022.

Tech stack

Software and tools used professionally

GitHub

Gmail

JavaScript

Java

SQL

Supabase

Availability

Open to opportunities

Location

Brazil

Authorized to work in

Social media

Job categories

Back End Developer Back End Developer React Developer NodeJS Developer Database Developer Backend Software Developer Backend Web Developer Backend Software Development Engineer Backend Engineer Backend Software Engineer Senior Backend Developer Remote Backend Developer

Skills

Java SQL Hibernate Object Oriented Programming TypeScript React Node Supabase Git Teamwork Fast Learner Problem Solving Portuguese GitHub Gmail JavaScript

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