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Resume

Senior full-stack engineer. Data-intensive systems, backend performance, financial analytics. I tend to go deep.

vini.felpe@gmail.comlinkedin/atomosdovinigithub/atomosdovini

Experience

  1. Senior Software Engineer

    Tradervue (SureSwift Capital)·Remote

    Ruby · PostgreSQL · JavaScript · AWS

    • —Core engineer in a small, high-ownership team on a 15+ year SaaS platform used by 200K+ users
    • —Led modernization of a legacy Ruby on Rails monolith, improving scalability, performance, and maintainability
    • —Optimized PostgreSQL queries and schema design to handle high-volume financial data with low latency
    • —Delivered a customizable analytics dashboard end-to-end, driving user engagement
    • —Designed and deployed AI-driven automation workflows to reduce operational overhead and scale internal processes
    • —Managed AWS infrastructure and built CI/CD pipelines with GitHub Actions to streamline deployments
    • —Built full end-to-end features across backend and frontend, working closely with product and design

  2. Lead Full-Stack Developer

    Abler (HR Tech)·Remote

    Ruby · PostgreSQL · JavaScript · Vue.js

    • —Built scalable APIs and product features for a platform serving 8M+ candidates and 2,500+ companies
    • —Owned production support and incident response in high-load environments
    • —Refactored critical backend components, improving system performance and reliability

  3. Senior Software Engineer

    Informatech (Arqcen)·Remote

    Ruby · PostgreSQL · JavaScript · AWS

    • —Led backend development for a mature document management platform with 20+ years in the market
    • —Architected asynchronous processing systems for heavy batch operations, increasing scalability and efficiency
    • —Improved performance, reliability, and observability across AWS infrastructure
    • —Mentored junior engineers in a lean, high-impact team

  4. Co-Founder / Full-Stack Engineer

    Nodau Digital·Remote

    Ruby · Python · PostgreSQL · JavaScript · React · AWS

    • —Co-founded a software studio delivering SaaS and automation systems for 20+ paying clients
    • —Owned architecture, development, and delivery of production systems end-to-end
    • —Clients include Maxiplan (financial planning platform) and GPagamentos (payments infrastructure)

  5. Freelance Web Developer

    Website Contractor·Remote

    Ruby · JavaScript · HTML · CSS

    • —Built digital solutions for real clients, combining design and development with a focus on performance
    • —Created RPAs for social media and digital marketing for small local companies

  6. Scientific Researcher & Lab Monitor

    UDESC·Joinville

    • —Applied chemistry research with focus on analytical rigor and experimental methodology
    • —Co-authored peer-reviewed publications in EurJOC and Tetrahedron Letters (Elsevier)
    • —Designed the published EurJOC cover artwork, combining scientific storytelling and visual design
    • —Supported lab activities and mentored students in academic work

  7. Web Designer

    Freelance·Joinville

    CorelDRAW · Figma · Adobe XD · HTML · CSS

    • —Delivered design and web projects during high school and early college
    • —Worked with local businesses on visual identity, print, and digital materials

Skills

Backend

  • Ruby
  • Ruby on Rails
  • Python
  • REST APIs
  • PostgreSQL

Frontend

  • JavaScript
  • HTML
  • CSS
  • React
  • Vue.js

Infra

  • AWS (EC2, S3, RDS)
  • Docker
  • CI/CD

Systems

  • Redis
  • Distributed Systems
  • Background Jobs

Practices

  • Code Review
  • TDD
  • Debugging
  • Pair Programming

AI / ML

  • Applied AI
  • LLM integrations
  • ML pipelines
  • Prompt Engineering

Education

B.Sc. Computer Software Engineering — Ampli

2019 – 2021

B.Sc. in Chemistry — UDESC

2016 – 2020

Complemented by extensive studies in software engineering, distributed systems, and architecture.

Technical degree, Electrical & Electronics — SENAI/SC

2013 – 2015

Publications