JI

Jefferson Inacio Ferreira

Available to hire

I'm Jefferson Inacio Ferreira, a Front-end, Back-end, and Mobile Developer with over 10 years of experience.

About

I’m Jefferson Inacio Ferreira, a Front-end, Back-end, and Mobile Developer with over 10 years of experience.

I work across the stack, from designing polished UI with React and Angular to implementing robust APIs and cloud workflows. I enjoy collaborating in SCRUM teams, writing clean code, and delivering features that clients love. I’m comfortable with diverse tech stacks like ReactJS, Angular, Node.js, .NET Core, AWS, Azure, and modern CSS frameworks, and I thrive in fast-paced freelance and agency environments.

  • 11 years' experience
  • Joined May 2026

Industry experience

  • Software & Internet
  • Financial Services
  • Education
  • Professional Services
  • Media & Entertainment

Work experience· 18 roles

Backend Developer · Gastronomia DoisDec 2025 – Present · 1 yr

Short-term contract Backend Developer delivering APIs and backend services to support a culinary platform.

Front-end Developer / Tech Lead · 3 CONSep 2024 – May 2025 · 9 mos

Worked on three projects. The first two were with Caterpillar client, developing features using Angular v16 and unit tests with Jasmine, within SCRUM-based squads. The final project, '3 Control', was a scaffold management platform where I served as Tech Lead, overseeing delivery, stock control, and project-specific logistics.

Front-end Developer · MiketecJun 2023 – Jun 2024 · 1 yr 1 mo

Developed the company’s internal back office system that allows clients to view products, sales and statistics (monthly, weekly, and annual). Stack: ReactJS, TailwindCSS, ContextAPI, Hooks, Agile SCRUM, Azure.

Front-end Web / Mobile Developer · Gestao Ecommerce / APEX BankJun 2022 – Jun 2023 · 1 yr 1 mo
Front-end Web / Mobile Developer · Gestão Ecommerce / APEX BankJun 2022 – Jun 2023 · 1 yr 1 mo
Front-end Developer · Positivo EducaçãoFeb 2021 – Dec 2021 · 11 mos
Front-end Developer · AvanadeJun 2020 – Jan 2021 · 8 mos
Front-end Developer · CarrefourJan 2020 – May 2020 · 5 mos

Education

Bachelor's in Applied Artificial Intelligence · PUC-PR2030 – 2026
Bachelor's in Applied Artificial Intelligence · PUC-PR2030 – 2026

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