Rene Sena
PT

Journey

From the stockroom to code: 14 years close to the people who run operations.

The problems I solved, every phase of my career and the stack I pack in my parachute.

See the highlights

Highlights

Backoffice pain points, solutions in production.

TCS · Ticket2024 —

Post-Oracle R12 backoffice

Pain
Migrating Oracle R11 to R12 left a critical module with no replacement — and operations could not stop.
My role
Owning layout and UX decisions, I designed the flows around operators’ routines and backed each delivery with unit and end-to-end tests.
Solution
New Contracts and Customers modules designed around operators’ routines, so the system switch wouldn’t stall the day-to-day.
  • Micro Front-ends
  • React
  • TypeScript
  • E2E
NTT DATA · BEES2021 — 2024

BEES / Ambev backoffice

Pain
Internal users depended on other teams for day-to-day tasks on the B2B platform.
My role
I built the screens and the layer that feeds them only what they need, tracked how each feature was used and backed up newcomers on the team.
Solution
Internal tools that gave platform operators their autonomy back, without depending on other teams for the basics.
  • React Query
  • NestJS
  • Azure DevOps
  • Jest
Docket2018 — 2021

Design System from scratch

Pain
Inconsistent screens and legacy features that were hard to evolve in HTML/Thymeleaf.
My role
Side by side with design, I built and maintained the Design System components — and helped choose who’d join the team by running technical interviews.
Solution
A Design System built with the design team, giving screens a single language and a path to modernize the legacy.
  • Storybook
  • Design System
  • Styled Components

Certifications

  • Engenharia de Usabilidade pra Sistemas Web
  • Acessibilidade web parte 1: tornando seu front-end inclusivo
  • Bootcamp Front-end JAMStack

Journey

A career made of jumps.

Every phase was a jump: leaving the comfort zone, pulling the chute and landing a little closer to what I wanted to build. Scroll to fall along.

  1. Phase 01Origin

    2011 — 2017

    Legião Mirim · Grupo Itaipu

    • Apprentice — Legião Mirim
    • Junior Administrative Assistant
    • Stock Assistant

    The first jump. Almost six years among paperwork, spreadsheets and inventory — where I learned process, discipline and to see the pain of the people running the day-to-day.

  2. Phase 02Education

    2014 — 2015

    Etec Presidente Vargas

    • Building Construction Technician

    Architecture and technology were always my passions. Alongside work, a technical course in Building Construction taught me to design before building — and, later, to choose which of the two paths to follow.

  3. Phase 03Education

    2016 — 2018

    Universidade de Mogi das Cruzes

    • Technologist in Systems Analysis & Development

    The change of course: balancing inventory work with college, I found in code a way to solve the pain points I saw up close every day.

    • HTML
    • CSS
    • JavaScript
  4. Phase 04Work

    2018

    Industrialleds do Brasil

    • Web Development Intern

    First job in tech. The kind of internship where you do a bit of everything — and the confirmation I’d picked the right course.

    • HTML
    • CSS
    • JavaScript
    • WordPress
  5. Phase 05Work

    2018 — 2021

    Docket Brasil

    • IT Assistant
    • Front-end Developer I
    • Front-end Developer II
    • Front-end Developer III

    Three years, four titles. I came in through IT support and left as Front-end III — growing with the team, side by side with design and helping choose who’d join next.

    • HTML
    • CSS
    • Sass
    • JavaScript
    • Webpack
    • React
    • +5
  6. Phase 06Education

    2021

    Alura

    • Front-end JAMStack Bootcamp

    Gear check: a deliberate pause to study and come back better prepared for the next jump.

    • React
    • JavaScript
  7. Phase 07Work

    2021 — 2024

    BEES · Ambev via NTT DATA

    • Front-end Developer
    • Software Engineer I
    • Software Engineer II

    Over three years building the backoffice for the people who keep Ambev’s operation running. I learned to think at scale — product, team and autonomy for whoever is on the other side of the screen.

    • React
    • TypeScript
    • Styled Components
    • Material UI
    • React Query
    • NestJS
    • +11
  8. Phase 08Teaching

    2022 — 2023

    AlgaWorks

    • Tutor

    In parallel, paying it forward: as a tutor, I helped beginners take their first jumps — and learned by teaching.

    • HTML
    • CSS
    • JavaScript
    • React
  9. Phase 09Work

    2024

    C6 Bank via NTT DATA

    • Front-end Developer

    A short stint in banking, evolving the CRM and the session the bank’s teams use every day — quickly understanding each squad’s context to deliver without friction.

    • React
    • TypeScript
  10. Phase 10Current landing

    2024 — now

    Ticket via Tata Consultancy Services

    • Senior Front-end Developer

    Current landing: moving a critical operation to a new backoffice without stalling its day-to-day — owning the experience of the people who use the tool.

    • React
    • TypeScript
    • Micro Front-ends
    • React Query
    • Jest
    • Playwright
    • +3

Stack

Tools I pack in my parachute.

Each orbit is an area of my toolbox, from the core to my everyday workflow.

  • Core
  • React ecosystem
  • Architecture
  • Quality & Observability
  • Workflow

Technology list

Core

  • HTML
  • CSS
  • Sass
  • JavaScript
  • TypeScript

React ecosystem

  • React
  • React Query
  • Styled Components
  • Material UI

Architecture

  • Micro Front-ends
  • Design System
  • Storybook
  • Node.js
  • NestJS
  • Webpack

Quality & Observability

  • Jest
  • React Testing Library
  • Playwright
  • Datadog
  • New Relic
  • Segment

Workflow

  • Azure DevOps
  • Figma
  • Scrum
  • WordPress

Contact

Let's talk.

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