Davi William Moraes Suga

Davi William Moraes Suga

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Senior Full Stack Developer | React | AWS | TypeScript | Node.js | FP Enthusiast
São Paulo, State of São Paulo, Brazil
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Full-time jobs
Starting at USD8.5k/month
Flexible work
Starting at USD50/hour
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Résumé

Jobs verified_user 0% verified
  • Chief
    Sr. Software Engineer public Remote experience
    Chief
    Sep 2024 - Current (2 years 2 months)
    - Built Chief's MVP from ground up as the #2 contributor, architecting 90% of the frontend (React/TypeScript) and complete backend infrastructure (Python/FastAPI) that now serves 8+ enterprise customers with $1.4M+ pipeline value.

    - Delivered 100x performance improvements by optimizing database queries from 3+ seconds to 30ms using row-level security and advanced caching strategies; migrated data architecture to ClickHouse, reducing pipeline runtime from 30 minutes to 4 minutes.

    - Designed and implemented a real-time chat system with Server-Sent Events, advanced state management, and Markdown/LaTeX rendering; established comprehensive observability with OpenTelemetry/Axiom, reducing debugging time and improving system
  • b
    Technical Lead (Contract)
    bliver
    Apr 2024 - Jun 2024 (3 months)
    Led development and deployment of a distributed payments infrastructure using Rust on AWS Kubernetes

    Spearheaded frontend enhancements using ReScript and React, implementing new features and customization options for the payments dashboard

    Achieved a 126% improvement in initial load times through strategic frontend infrastructure migration, enhancing user experience
    Managed a team of engineers, coordinating efforts across backend, frontend, and infrastructure to deliver a cohesive, high-performance payments solution
  • Crib Equity
    Senior Full Stack Developer public Remote experience
    Crib Equity
    Feb 2023 - Feb 2024 (1 year 1 month)
    - Spearheaded the development of Crib Equity's core Next.js applications, including investor and homebuyer dashboards, landing pages, and agent onboarding pages, following Figma designs and reporting directly to stakeholders.
    - Reduced AWS costs by $1,000/month through an optimized feature flag system, enhancing operational efficiency.
    - Boosted landing page load times and increased user conversion rates by optimizing image loading and main thread work.
    - Engineered a Databricks Spark Scala data pipeline to power the search feature and lay the groundwork for future AI model development.
    - Played a pivotal role in overall system design, building backend systems using Python, Node.js, AWS Lambda, MySQL, AppSync, DynamoDB,
  • F
    Software Developer (Contract)
    Float Capital
    Jan 2023 - Mar 2023 (3 months)
    - Implemented and deployed an end-to-end data validation service, incrementing confidence in the backend-generated data.
    - Built a full-stack leaderboard feature implementation.
    - Promoted a testing culture by explaining how and what to test, which increased overall confidence in the code.
    - Incremented software resilience by implementing environment validation across multiple services. Additionally, utilized IaaS (Infrastructure as a Service) through Digital Ocean to enhance deployment efficiency and scalability, ensuring robust infrastructure support for the applications developed.
  • H
    Frontend Engineer
    Harmonize Health Via Holonic
    Jan 2022 - Dec 2022 (1 year)
    - Built entire frontend features from Figma Designs like a real-time messaging center, user management system, and dynamic forms
    - Worked together with the product and design team to improve the UX of existing features
    - Proactively took backend responsibilities and delivered authorization features in a Nest+Node.js app
    - Optimized questionnaire table performance by 194%, making the page usable even on low-end devices
  • Sambatech
    Software Engineer
    Sambatech
    Aug 2021 - Jan 2022 (6 months)
    - Built mobile LMS apps for various companies.
    - Made various features including SSO auth, concurrent video downloading, offline-first video viewing using Redux Toolkit and Expo
  • A
    Mobile Developer
    Adorie
    Mar 2021 - Aug 2021 (6 months)
    - Improved overall UX by adapting layout for a variety of devices and increasing performance.
    - Built new features like geolocation of products and stores, dynamic filters, persistent cache, etc., using React Native.
    - Ported the whole e-commerce mobile app code to the web. - Contributed to back-end development efforts utilizing Algora.io and Firebase, enhancing the overall functionality and performance of the application.
  • E
    Software Engineer
    EkonoMe
    Jul 2020 - Apr 2025 (4 years 10 months)
    EkonoMe is an online marketplace for financial services via videoconferences.
    - Planned the entire implementation based on client needs
    - Developed a user-facing mobile app with appointments, chat, and, video conferencing
    - Integrated mobile and web clients to let users directly connect to economists for video conferencing
    - Implemented full-featured Chat with media uploads on both mobile and web app
    - Built a user management panel with a real-time update using React and Realtime Database
  • A
    Software Developer
    Alpha Lumen Institute
    Oct 2019 - Mar 2021 (1 year 6 months)
    - Planned implementation and built an app called "Compartilhe", using Parse in the backend and React Native with Redux.
    - Implemented state management using concepts of immutability, single source of truth, and reactive programming with React and Redux.
    - Worked on a learning platform called "Alpha EdTech" using React, responsive CSS, Context API, JWT, and a custom design system.
  • Q
    Intern - Infra / Ops
    QueroQuitar
    Jun 2019 - Oct 2019 (5 months)
  • Security Roots
    InfoSec analyst
    Security Roots
    Nov 2017 - Nov 2019 (2 years 1 month)
Education verified_user 0% verified
  • I
    Professional-Technical Degree, Information Technology
    Instituto Federal de Educao Cincia e Tecnologia de So Paulo IFSP
    Jan 2017 - Jan 2021 (4 years 1 month)
Projects (professional or personal) verified_user 0% verified
  • G
    Gremlin of Cypher
    Aug 2022
    A simple website where you can translate Cypher queries to Gremlin for Tinker, Neptune, or CosmosDB.
    I used Clojure and compojure for the backend, and React and ReScript for the frontend.
  • f
    fast_nbconvert
    Jul 2022 - Nov 2022 (5 months)
    Blazingly fast jupyter notebook to python source files, written in OCaml and published on pip.
  • C
    Cash Tools
    Jul 2022
    Cash Tools is a new way to manage your money. Create accounts, preallocate balance, define account groups, manage transactions, and integrate with your bank easily using our mobile, open-source app.
    We are using GraphQL for communication, Rust in the backend, and React Native, Expo, and ReScript in the mobile app.
  • F
    Feats Of Distance
    Jun 2022
    Feats of distance let you see how distant your favorite artists are in terms of features in between. Built with OCaml, Neo4J, and a little bit of Golang for the backend and React + TypeScript for frontend/mobile.
  • H
    Harmonize Portal
    Apr 2022
    Harmonize Health is an intuitive RPM platform helping providers maintain the highest patient engagement.
  • E
    EkonoMe App
    Jul 2020
    The EkonoMe app provides professional economist meetings via real-time video conference and chat.
  • O
    Olá, Mundo! (Hello, World!)
    Mar 2020 - Nov 2020 (9 months)
    A programming learning platform made from scratch using React + NextJS + ChakraUI for the front end and Prisma + PostgreSQL for the back end. Implemented Incremental Static Generation for platform content and exercises using markdown.
  • C
    Compartilhe
    Nov 2019 - Mar 2021 (1 year 5 months)
    Compartilhe is a platform that allows users to share offers from humanitarian resources such as food and courses. In addition to facilitating these connections, I developed the software, specifically a React Native application that enables users to find resources through an interactive map, enhancing the user experience and accessibility of vital services.