Skills you need to be a frontend developer
10 skills a hiring manager would actually test for, each with the level this role expects and what it is used for. Not a syllabus — the shape of the job.
Build my path to this roleUpskili checks what you can already do, then sequences only what is missing. No account needed.
What the role requires
Ordered by how much the job depends on it. The bar is the proficiency expected of a competent frontend developer — not mastery, and not a passing acquaintance.
-
JavaScript (ES6+)
Essential
Core language for building interactive UI components and logic.
Deep -
React
Essential
Primary framework for component-based architecture and state management.
Strong -
TypeScript
Essential
Adds static typing to prevent bugs in complex interfaces.
Strong -
HTML/CSS
Essential
Fundamental for structuring and styling responsive, accessible layouts.
Deep -
Git
Important
Version control for collaboration and code review workflows.
Strong -
REST API integration
Important
Fetches and mutates data from backend services.
Strong -
Testing (Jest/React Testing Library)
Important
Writes unit and integration tests to ensure UI reliability.
Strong -
Webpack/Vite
Useful
Bundles and optimizes assets for production builds.
Working -
Next.js
Useful
Framework for server-side rendering and static site generation.
Working -
Docker
Useful
Containerizes the frontend app for consistent development environments.
Familiar
An order worth learning it in
A list of ten skills is the same unhelpful answer a catalogue gives, just sorted. This is where to actually start.
Start here
Essential to the role, and reachable from a standing start. Everything below rests on these.
- TypeScript
- Git
- REST API integration
- Testing (Jest/React Testing Library)
Then this
The rest of what the role is assessed on. Harder, and it builds on the foundation above.
- JavaScript (ES6+)
- React
- HTML/CSS
What sets you apart
Not what gets you hired, but what separates doing the job from being trusted with it.
- Webpack/Vite
- Next.js
- Docker
You almost certainly have some of this already.
That is the point of starting from the role rather than a course. Upskili checks what you can do, then builds a path across only the gap.
See my path to frontend developer