Senior Fullstack Frontend Engineer

iSwift

📍 Argentina, Argentina, Argentina

Full-time Other-General Posted March 02, 2026

Job Description

Only for argentina and brazil

We are partnering with a
leading digital wallet & payments company
to find a Senior Engineer. If you are passionate about building secure, scalable, and high performance applications, this is for you.

You will independently design and maintain sophisticated web apps in a
high transaction environment
, ensuring security and reliability for global monetary solutions.

Timezone:
PST aligned

The Tech Stack (Must-Haves):

  • Frontend:
    Expert in
    React
    &
    Redux
    (Complex UI/UX challenges).
  • Backend:
    Proficient in
    &
    Express
    (Scalable APIs).
  • Quality:
    Strong focus on testing with
    Jest
    &
    React Testing Library
    .
  • Core:
    Deep understanding of JavaScript (ES6+), async programming, and debugging.

Nice to have:

  • Experience with
    GraphQL (Apollo)
    .
  • Knowledge of
    Cypress
    for E2E testing.
  • <...