DevCerts logo DevCerts

Certification

Senior Vue Developer

This certification is intended for experienced Vue developers who build real product interfaces, shape frontend architecture, and make technical decisions that influence product quality over time.

It validates senior-level capability in component system design, reactive data flow, Composition API usage, routing structure, async UI behavior, form-heavy application logic, rendering performance, and maintainability under ongoing product growth. The emphasis is on engineering judgment, not on memorizing isolated framework features.

Candidates are expected to show that they can organize Vue codebases clearly, prevent state and rendering issues, separate reusable UI concerns from product logic, and debug frontend problems that appear in real production conditions. This includes working confidently with complex interaction flows, shared state, API-driven screens, and long-lived applications that evolve across multiple releases.

The certification is suitable for developers who already use Vue professionally and want to validate that they can deliver reliable, scalable, and well-structured frontend applications with senior-level execution and architectural discipline.

What this certification proves

Clear scope for candidates. Clear meaning for reviewers.

Passing result

What a pass confirms

This certificate confirms that the candidate demonstrated senior-level Vue development competence in building maintainable frontend architectures, managing reactive application state, and delivering production-ready user interfaces.

Scope

What the exam validates

Scope includes Vue component design, Composition API patterns, reactive state management, routing and page flows, async UI interactions, forms and validation, rendering performance, frontend testing, debugging, and long-term maintainability decisions.

For reviewers

What someone can verify later

The public certificate page shows the holder name, score, issue date, certificate ID, and current verification status without relying on screenshots.

Share flow

Share one record, not a bundle of files

Use the certificate page as the primary proof. PDF stays available as a convenient copy, but the live page is the canonical record.

Official certificate page

What the verifier will see

  • Candidate name
  • Score and pass outcome
  • Date and certificate ID
  • Current verification status

Preparation topics

Topics covered by the exam question set.

Use this topic map as a preparation checklist. Questions in this certification are built from these concrete topic areas.

Vue Basics

  • createApp
  • mount
  • SFC structure
  • interpolation
  • attribute binding
  • event binding
  • conditional rendering
  • list rendering
  • list keys
  • class binding
  • style binding
  • local registration
  • global registration
  • Options API

Forms

  • v-model
  • text input
  • checkbox binding
  • select binding
  • number modifier
  • form submit
  • writable computed
  • local form copy

script setup

  • defineProps
  • defineEmits
  • defineExpose
  • prop defaults
  • prop destructuring
  • template access
  • macro scope
  • child methods

Lifecycle

  • mounted hook
  • unmounted cleanup
  • template refs
  • nextTick
  • DOM timing
  • hook registration
  • cleanup timing

Reactivity

  • ref
  • reactive
  • computed
  • watch
  • watchEffect
  • immediate watch
  • explicit sources
  • multiple sources
  • nested watch
  • reactive identity
  • derived lists
  • dependency tracking

Advanced Reactivity

  • shallowRef
  • shallowReactive
  • shallowReadonly
  • readonly
  • toRaw
  • markRaw
  • triggerRef
  • customRef
  • effectScope
  • watcher cleanup
  • flush timing
  • sync watch
  • post watch
  • async tracking
  • oldValue semantics
  • reactive Map

Components

  • dynamic components
  • async components
  • loading fallback
  • error fallback
  • component contracts
  • prop drilling
  • sibling state
  • reusable inputs
  • renderless components

Communication

  • props
  • emits
  • event payloads
  • provide inject
  • symbol keys
  • readonly provide
  • explicit mutators
  • injected refs
  • controlled mutation
  • shared state

Slots

  • default slot
  • named slot
  • scoped slot
  • slot props
  • slot fallback
  • slot forwarding
  • lazy slots
  • slot ownership

Render APIs

  • render functions
  • h function
  • JSX slots
  • named slots
  • scoped slots
  • vnode reuse
  • vnode uniqueness
  • lazy evaluation

Directives

  • custom directives
  • mounted hook
  • updated hook
  • value comparison
  • listener cleanup
  • click outside
  • focus directive
  • multi-root directives
  • DOM measurement

Transitions

  • Transition
  • TransitionGroup
  • out-in mode
  • move transitions
  • keyed children
  • text transitions
  • panel swaps

Teleport Suspense KeepAlive

  • Teleport
  • logical ownership
  • modal accessibility
  • focus trap
  • Suspense
  • async setup
  • fallback timing
  • pending state
  • KeepAlive
  • activation hooks
  • deactivation hooks
  • cache keys

Router Basics

  • createRouter
  • RouterLink
  • RouterView
  • route params
  • named routes
  • nested routes
  • child paths
  • route props
  • push navigation
  • replace navigation

Router Advanced

  • param reuse
  • route watchers
  • beforeEach
  • before
  • leave guards
  • update guards
  • redirect guards
  • route casting
  • lazy routes
  • code splitting
  • RouterView slot
  • router readiness

Pinia

  • setup stores
  • option stores
  • state factory
  • getters
  • actions
  • this binding
  • storeToRefs
  • reset
  • $patch
  • $subscribe
  • detached subscriptions
  • store composition
  • plugin injection
  • SSR Pinia

Vuex

  • namespaced modules
  • dispatch
  • async actions
  • mutations
  • mutation flow
  • namespaced dispatch
  • Vuex migration
  • Pinia migration
  • coexistence

Async Data

  • data fetching
  • loading state
  • error state
  • retry flow
  • stale responses
  • AbortController
  • latest wins
  • cleanup abort
  • fetch composables
  • async races

Error Handling

  • errorCaptured
  • onErrorCaptured
  • local capture
  • propagation stop
  • global handler
  • suppressed errors
  • detached errors

Testing

  • Vue Test Utils
  • Vitest
  • async setup tests
  • Suspense tests
  • router tests
  • memory history
  • Teleport tests
  • Pinia tests
  • createTestingPinia
  • flushPromises
  • nextTick tests
  • import mocks

Vite

  • import.meta.env
  • VITE prefix
  • BASE_URL
  • alias config
  • public directory
  • static assets
  • import.meta.glob
  • lazy modules
  • app entry

SSR Hydration

  • onServerPrefetch
  • SSR state
  • per-request state
  • app isolation
  • browser globals
  • hydration mismatch
  • hydration recovery
  • hydration-safe DOM
  • stable IDs
  • cross-request leaks
  • app factories

Nuxt

  • payload reuse
  • plugin injection
  • async data keys
  • payload fetch
  • client-only code

Performance

  • computed caching
  • render tracking
  • debug hooks
  • keyed diff
  • LIS
  • block tree
  • patch flags
  • v-memo
  • large lists
  • immutable data
  • optimization limits

How the certification works

From voucher purchase to public certificate.

Once the candidate decides to pursue this certification, the path is simple: buy a voucher, exchange it for this certification, complete the exam, and receive the official certificate after a successful result.

Step 01

Buy a voucher for account balance

The candidate tops up voucher balance first. DevCerts does not sell this certification as a direct one-off checkout item.

Step 02

Choose this certification and exchange the voucher

When the candidate is ready, one voucher is consumed and DevCerts opens exam access for this certification.

Step 03

Pass and receive the official certificate page

After a successful valid result is received from Askium, DevCerts issues the certificate, publishes the public verification page, and keeps PDF available as a secondary copy.

Current certificate policy

What this certification page promises today

  • A certificate is issued only after a successful valid result.
  • The public verification page is the canonical certificate artifact.
  • The issued certificate is active and non-expiring in the current MVP.