Kaio Felipe Reis, Developer in Balneário Camboriú - Santa Catarina, Brazil
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Kaio Felipe Reis

Verified Expert  in Engineering

Full-stack Developer

Balneário Camboriú - Santa Catarina, Brazil

Toptal member since May 16, 2022

Expertise
PostgreSQLGitHubNode.jsFlutterReact.jsMongoDBRedisAWSTypeScriptFirebaseJavaScriptGitDockerREST APIJira
Bio

Kaio is a seasoned full-stack developer with a distinct preference and specialization in back-end development. His expertise extends to DevOps, cloud services, and a myriad of modern tech stacks. Beyond his contributions, Kaio founded a company in Brazil dedicated to engineering bespoke applications tailored to clients' needs. His blend of hands-on experience and leadership makes him an invaluable asset to any project.

Portfolio

Sean Bernard Cook
Node.js, NestJS, TypeScript, Redis, MongoDB, Firebase, PostgreSQL...
ADA Travel Tech
TypeScript, Node.js, NestJS, Microservices, Amazon Web Services (AWS), Git...
VALENTINO LONDON LIMITED
Flutter, Firebase, Third-party APIs, Third-party Integration, Images...

Experience

  • PostgreSQL - 6 years
  • Flutter - 4 years
  • React - 4 years
  • Amazon Web Services (AWS) - 4 years
  • MongoDB - 4 years
  • Redis - 4 years
  • Node.js - 4 years
  • TypeScript - 4 years

Availability

Part-time

Preferred Environment

Node.js, Flutter, TypeScript, NestJS

The most amazing...

...solution I've built was considered the best in Brazil for providing companies with information on reissue and refund prices of their unflown flight tickets.

Work Experience

Senior Full-stack Engineer

2022 - PRESENT
Sean Bernard Cook
  • Engineered a full-stack solution for a community app, enabling women to share, warn, and navigate modern dating with enhanced safety and knowledge.
  • Integrated a real-time chat, allowing users to connect, share experiences, and offer support, fostering a tight-knit community.
  • Implemented alert systems for local events and integrated RevenueCat for mobile subscriptions, enhancing user engagement and monetization.
Technologies: Node.js, NestJS, TypeScript, Redis, MongoDB, Firebase, PostgreSQL, Digital Payments, In-app Purchases, Mobile Development, Flutter, DigitalOcean

Senior Back-end Engineer

2020 - PRESENT
ADA Travel Tech
  • Developed four integrated systems, streamlining global business trip bookings and providing a unified booking engine.
  • Introduced a unique flight audit feature for Brazil, aiding companies in identifying unflown tickets for potential refunds.
  • Adopted SOLID principles and clean architecture, ensuring system maintainability, scalability, and enhanced security.
Technologies: TypeScript, Node.js, NestJS, Microservices, Amazon Web Services (AWS), Git, GitHub, CI/CD Pipelines, Firebase, Stripe, Third-party Integration, REST APIs, Architecture, Clean Architecture, Payment APIs, Redis, MongoDB, PostgreSQL, Apache Kafka

Senior Mobile Engineer

2023 - 2023
VALENTINO LONDON LIMITED
  • Single-handedly built the front end of an app, allowing users to capture selfies, select or scan colors, and receive personalized color palettes tailored to their skin tone.
  • Integrated multiple palette generation options, including skin color, eye color, raw colors, and the ability to generate new palettes from existing ones, enhancing user customization.
  • Incorporated an in-app crash course on color theory, providing users with valuable knowledge and an additional revenue stream for the app.
Technologies: Flutter, Firebase, Third-party APIs, Third-party Integration, Images, Mobile Development, Figma, Vimeo API

Senior Back-end Engineer

2022 - 2023
SIG Complete Crewing, Inc.
  • Collaborated in building a CRM tailored for event budgeting, streamlining client and staff registration, and automating budget calculations.
  • Implemented automatic PDF invoice and proposal generation features, enhancing the company's efficiency in client communication.
  • Facilitated a rapid budget approval workflow, allowing clients to approve or reject budgets seamlessly, optimizing the company's response time.
Technologies: Node.js, TypeScript, Amazon Web Services (AWS), Amazon S3 (AWS S3), PostgreSQL, AdonisJS, MySQL

Senior Full-stack Engineer

2022 - 2022
One Eighty Capital, LLC
  • Developed a full-stack application, integrating movie/TV show APIs, enabling users to seamlessly search, favorite, and curate watchlists.
  • Introduced features allowing users to share watchlists, compare compatibility via algorithms, and engage socially around media preferences.
  • Implemented a system to highlight trending cinema movies and notify users about upcoming film releases, enhancing user engagement.
Technologies: Node.js, Flutter, TypeScript, NestJS, Firebase, DigitalOcean, Third-party Integration, Third-party APIs, REST APIs, Jira, Mathematics, Mobile, Mobile Development, Social

Experience

BENV | ADA Travel Tech

http://benv.adatravel.com.br
BENV is an ADA Travel Tech product designed to provide companies with intelligence on their unflown flight tickets. It's enabled by a simple to use web platform that calculates the reissue and or refund amounts of any flight ticket they have access to. It integrates with airlines in Brazil, reaching 99,6% of corporate flights in the country.

Skilljob

Skilljob is a Brazilian product in the AB testing phase. It is a business network where two types of users (skillers and callers) can connect through video calls in-app to exchange information. Skillers have hourly rates that the callers must pay. The app itself also handles all the appointments and payments. Skilljob aims to provide solutions for B2B environments in the future.

Sttigma Telemetry

An integration with vending machines that equips owners with real-time information on income, payouts, etc. Sttigma aims to enhance decision-making power by providing users with all the intel they need.

Education

2019 - 2022

Progress Toward a Bachelor's Degree in Computer Science

University of Vale do Itajaí - Itajaí, Santa Catarina, Brazil

Skills

Libraries/APIs

Node.js, React, REST APIs, Stripe, Vimeo API

Tools

GitHub, Git, Jira, Asana, Figma

Languages

TypeScript, JavaScript, GraphQL, HTML5, C++, C, CSS, SQL

Frameworks

Flutter, Jest, Next.js, React Native, Express.js, AdonisJS, NestJS

Paradigms

UX Design, Microservices Architecture, DevOps, Mobile Development, Microservices, REST, Unit Testing, Clean Code, Clean Architecture

Platforms

Amazon Web Services (AWS), DigitalOcean, Firebase, Docker, Kubernetes, Apache Kafka, Mobile

Storage

MongoDB, PostgreSQL, Redis, Amazon S3 (AWS S3), MySQL

Other

WebSockets, Software Design, ClickUp, Serverless, Architecture, Deployment, Full-stack, NATS, Background Jobs, Mobile UI, User Interface (UI), CI/CD Pipelines, Third-party Integration, Payment APIs, Third-party APIs, Mathematics, Social, Digital Payments, In-app Purchases, Images

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