Senior Frontend Engineer

New
D
DevsData LLCLogistics Software
Warszawa, Centrum, Warszawa, Country code: PL, Availability for at least 3 hours of daily overlap with US Eastern TimeFull-TimeSenior
Salary5,833 - 7,500 USD per year
Apply NowOpens the employer's application page

Job Details

Languages
Professional spoken and written English (C1)
Experience
5+ years of experience building production web applications
Required Skills
Frontend DevelopmentCSSTypeScriptReactRESTful APIsPrototyping

Requirements

  • 5+ years of experience building production web applications.
  • Deep knowledge of React, including rendering behaviour, state management trade-offs, and performance optimization.
  • Strong TypeScript skills.
  • Solid CSS and layout skills, able to turn a design or a rough sketch into an interface that looks right on every screen.
  • Experience consuming and shaping REST APIs.
  • Daily use of AI coding tools as a core part of your development workflow.
  • Ability to build a working prototype substantially faster with AI than without, and explain the delegation process.
  • Working knowledge of AI failure modes, including habits to catch plausible-but-wrong code and scope drift.
  • Meaningful experience in a small team or startup where you were the person responsible.
  • Ability to hold a direct conversation with a non-technical stakeholder to clarify problem specifications.
  • Availability for at least 3 hours of daily overlap with US Eastern Time.
  • Professional spoken and written English (C1), with the ability to write clearly.

Responsibilities

  • Own frontend features end to end, from an early conversation with product to a shipped feature in production.
  • Build quick, credible prototypes that help the team decide on a direction before committing to it.
  • Work directly with product and business stakeholders, asking the questions that change the spec.
  • Push back on specifications and API designs when they make the frontend worse.
  • Keep a several-year-old React codebase healthy, so it stays pleasant to work in.
  • Improve the quality, performance and accessibility of the interface.
  • Turn designs and rough sketches into interfaces that look right on every screen.
  • Prototype and ship faster with AI coding tools, keeping the output reviewable.
  • Review code and take part in technical decisions within a small senior frontend team.
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5,833 - 7,500 USD per year
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