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Frontend Engineer skills: what to learn first, and what can wait

Hiring managers for this title assume you can build a page. What they're screening for is whether you can build one that stays fast, tested and accessible as a team of engineers keeps changing it. Learn in the order below and you'll spend less time on tools that don't move a hiring decision.

476 open jobs

Step one

Gets you the interview

TypeScript on top of solid JavaScriptAlmost every posting lists it. Know generics, union types and narrowing well enough to type a component's props without reaching for any.

React with hooksIt's the default framework on job boards. You should be able to explain when a component re-renders and why useEffect is usually the wrong tool for derived data.

Modern CSS layoutFlexbox, grid, custom properties and container queries. Screeners notice fast when a candidate can only style through a component library.

Git and pull request habitsSmall commits, clear descriptions and rebasing without panic. Your public repos are often the first thing a reviewer opens.

Step two

Gets you the offer

Testing with React Testing Library and PlaywrightBeing able to say which layer catches which bug is a strong signal in the UI round, and teams want engineers who don't ship untested flows.

Browser performanceReading the DevTools Performance panel, a bundle analyzer report and Core Web Vitals. Interviewers love a story where you made a slow page fast.

Accessibility to WCAGFocus management, semantic HTML and ARIA roles, checked with axe and a real screen reader. It's where a lot of otherwise good candidates fall over.

A meta-framework like Next.jsServer rendering, routing and caching choices come up in frontend system design, and you need hands-on answers.

Step three

Gets you promoted

Design systems in StorybookBuilding components other teams adopt, with tokens, docs and versioning, is the clearest sign you've moved past your own tickets.

Build tooling and monoreposVite, webpack, Turborepo or Nx. The engineer who can cut CI time or untangle a dependency mess becomes hard to replace.

Frontend observabilitySentry, real user monitoring and performance budgets in CI let you prove impact with data in a promotion packet.

Writing technical proposalsA short design doc that compares state libraries or a rendering migration, with tradeoffs, is how senior and staff engineers steer the codebase.

Certificates worth your time

Certificate	Best for	Effort	Worth it?
IAAP Web Accessibility Specialist (WAS)	Engineers who want to own accessibility for a product or work with public sector clients	a few months of evening study	Optional. It rarely gets you hired on its own, but it backs up an accessibility specialty on a resume.

Check the certifying body's site for current exam details and renewal rules before you register.

Put it on your résumé like this

Weak

Worked on the frontend using React and improved performance.

Strong

Cut checkout bundle size by 38% and LCP from 4.1s to 2.2s by code-splitting React routes and dropping two unused libraries, lifting mobile conversion 6%.

Questions people ask

Should I learn React or another framework first?

React, unless the jobs near you are mostly Angular or Vue. The ideas carry over, and React has the most postings. Once you know one framework deeply, picking up a second takes weeks, not months.

Do I need a computer science degree for this skill set?

No. Teams hiring frontend engineers care that you understand the browser, data structures you'll actually use and how to reason about async code. A portfolio with a real, tested, deployed app can carry you past the degree filter at many companies.

How much backend should a frontend engineer learn?

Enough to write a Node API route, read a SQL query and design a sensible JSON contract with the backend team. That's what lets you own a feature end to end instead of waiting on someone else.

Is learning accessibility worth it if my company doesn't ask for it?

Yes. Accessibility bugs are also usability bugs, and interviewers at larger companies ask about it directly. It's a cheap way to look more senior than your title. Spend an afternoon tabbing through your own app with the mouse unplugged and you'll find your first ticket.

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