Open to full-time & contract

Hi, I'm Junior Reis

I turn complex problems into elegant software.

Fullstack developer focused on production-grade APIs, Spring Boot backends, and interfaces recruiters (and users) actually remember.

Currently crafting as Fullstack Developer
View selected work Let's talk hiring
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Ship fast

From MVP to production with CI/CD and clean architecture.

🏛

Gov & enterprise

SIHS internal systems — LDAP, PostgreSQL, Windows Server.

🎯

Full ownership

Backend, frontend, infra basics — one engineer, end-to-end.

Stack I work with daily

astro Astro
typescript TypeScript
java Java
react React
angular Angular
express Express
nodejs Nodejs
springboot Spring Boot
mysql Mysql
postgresql PostgreSQL
graphql GraphQL
aws Aws
git Git
github Github
docker Docker
jenkins Jenkins
terraform Terraform
ansible Ansible
prometheus Prometheus
grafana Grafana
kubernetes Kubernetes
bash Bash
shellscript Shell Script
linux Linux
mongodb MongoDB
sequelize Sequelize
cypress Cypress
jest Jest
supabase Supabase
framer Framer
astro Astro
typescript TypeScript
java Java
react React
angular Angular
express Express
nodejs Nodejs
springboot Spring Boot
mysql Mysql
postgresql PostgreSQL
graphql GraphQL
aws Aws
git Git
github Github
docker Docker
jenkins Jenkins
terraform Terraform
ansible Ansible
prometheus Prometheus
grafana Grafana
kubernetes Kubernetes
bash Bash
shellscript Shell Script
linux Linux
mongodb MongoDB
sequelize Sequelize
cypress Cypress
jest Jest
supabase Supabase
framer Framer
astro Astro
typescript TypeScript
java Java
react React
angular Angular
express Express
nodejs Nodejs
springboot Spring Boot
mysql Mysql
postgresql PostgreSQL
graphql GraphQL
aws Aws
git Git
github Github
docker Docker
jenkins Jenkins
terraform Terraform
ansible Ansible
prometheus Prometheus
grafana Grafana
kubernetes Kubernetes
bash Bash
shellscript Shell Script
linux Linux
mongodb MongoDB
sequelize Sequelize
cypress Cypress
jest Jest
supabase Supabase
framer Framer

What I do?

Click on each category to see details

  • Web Development
    7
    • Single Page Applications (SPAs) with React/Next.js
    • Landing pages and business websites
    • Portfolio websites
    • Progressive Web Apps (PWAs)
    • E-commerce platforms and payment integration
    • RESTful APIs and third-party integrations
    • Server-Side Rendering (SSR) and Static Site Generation (SSG)
  • Mobile Development
    4
    • Cross-platform mobile apps with React Native
    • Mobile-first responsive web applications
    • Native features integration (Camera, GPS, Push Notifications)
    • App Store and Google Play deployment
  • UI/UX Design & Prototyping
    5
    • UI design with Figma & Canva
    • UX research & user testing
    • Design systems and component libraries
    • Interactive prototypes and wireframing
    • Accessibility (A11Y) compliance
  • Backend & Database
    5
    • Node.js, Express.js and Nest.js APIs
    • Database design (SQL and NoSQL)
    • Firebase/Supabase integration
    • Authentication and authorization systems
    • Java Spring Boot and Python Flask APIs
  • DevOps & Best Practices
    5
    • Git version control and team collaboration
    • CI/CD pipelines and automated deployments
    • Performance optimization and SEO
    • Testing (Unit, Integration, E2E)
    • Docker containerization

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Years building software

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Projects shipped

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Technologies in stack

0

Active roles (gov + freelance)

Portfolio

Projects that prove the craft

Production systems at SIHS, private enterprise tools, and public demos — clear scope and stack on every card.

Explore all repositories on GitHub

Career

Experience that shapes my stack

From public sector to freelance — always shipping real work, production code, and measurable impact.

Secretariat of Water Infrastructure and Sanitation
Fullstack Developer Full-time

SIHS · Government of Bahia

Secretariat of Water Infrastructure and Sanitation

Building internal systems that automate critical processes, reduce manual work, and give field and management teams operational visibility.

  • Meeting system with LDAP authentication and admin panel
  • REST APIs integrated with PostgreSQL and approval workflows
  • React interfaces focused on usability for non-technical users
TypeScriptReactNode.jsExpressPostgreSQLLDAPTailwind CSSGitCI/CD
Paraguaçu Engenharia
Technical Support Analyst Full-time

Paraguaçu Engenharia

Paraguaçu Engenharia

Corporate environment focused on infrastructure stability, incident resolution, and user support at scale.

  • Monitoring of Windows servers and corporate networks
  • Ticket and SLA management in L1/L2 support
  • Active Directory, hardware, and workstation maintenance
Windows ServerActive DirectoryNetworkingHelpdeskMonitoringTroubleshooting
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Fullstack Developer Project-based

Freelancer

Independent projects

End-to-end delivery of websites and web apps for clients — from prototype to deploy, with performance, SEO, and maintainable code.

  • Landing pages and dashboards with React and Tailwind
  • Payment, API, and relational database integrations
  • Continuous deployment on Vercel with lean pipelines
ReactTypeScriptNode.jsPostgreSQLViteFigmaVercelSEO

Contact

Ready for your next hire?

Recruiters: I typically reply within 24 hours. Prefer email or LinkedIn for formal processes — WhatsApp for a quick intro.

Let's build something impactful.

Fullstack · Spring Boot · React · DevOps basics · Available for remote or hybrid in Brazil.

Schedule via email Message on WhatsApp

Location

Salvador, Bahia — Brazil

WhatsApp

+55 71 99913-6601

Email

gilmaikjunior2@gmail.com

LinkedIn

gil-maik-junior