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FinStream

Mid-level JavaScript Engineer

Middle Hybrid London, United Kingdom Est. $7,600–9,300/mo Full-time Posted 4 months ago

Skills & stack

Tools & Infra
CI/CD Webpack
Skills
Event Loop Vanilla JS

About the role

Mid-level JavaScript Engineer at FinStream. This is a full-time hybrid role in London, United Kingdom. The work centers on frontend JavaScript, with skills in Vanilla JS, Webpack, Event Loop, and CI/CD.

Work format

Hybrid work in London, United Kingdom. Full-time employment.

Skills and tools

  • Vanilla JS
  • Webpack
  • Event Loop
  • CI/CD

What to prepare

  • Prepare a short walkthrough of a frontend project built with Vanilla JS.
  • Be ready to explain how you have used Webpack in a real project.
  • Review how you work with the Event Loop and CI/CD in practice.

Requirements

  • Strong Vanilla JS skills for frontend development.
  • Webpack knowledge for building and bundling JavaScript code.
  • Understanding of the Event Loop and how JavaScript runs.
  • CI/CD experience for supporting delivery workflows.

Apply for this role

Send a short intro — the hiring team will review and respond.

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Product

FinStream — European payments company.

Location
London, United Kingdom
Team size
51-200
Remote policy
Hybrid
View company profile

Overview

Seniority
Middle
Remote policy
Hybrid
Location
London, United Kingdom
Employment
Full-time
Salary (market estimate)
$7,600–9,300/mo
Posted
Jul 03, 2026

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