Technology · JavaScript

JavaScript everywhere
it matters.

The language behind interactive interfaces and modern backends alike, applied with discipline rather than duct tape.

See JavaScript by the numbers
98%+

of websites run it (W3Techs)

0

powering the web since

1.8M+

npm packages available

Everywhere

browser to backend

JavaScript logo
Runs on 98% of the web. The safest skill investment in software is depth here.

Why JavaScript

One language,
the entire interaction layer.

Every button, form and animation your users touch is JavaScript. Written well it disappears into the experience; written badly it janks and leaks memory. Our frontend work treats JS as an engineering discipline: measured bundles, tested interactions, no mystery globals.

  • Interactive interfaces
  • Shared language across stack
  • Enormous package ecosystem
  • Instant browser feedback
  • Framework-agnostic thinking
  • Progressive enhancement respect

What we build

Six ways we build
with JavaScript.

Each engagement shaped around your goals rather than a fixed package.

01

Interactive interfaces

Filters, wizards and editors that respond instantly to user input.

UI work
02

Single-page applications

App-grade experiences with routing and state handled properly.

SPA
03

Legacy jQuery modernisation

Old sites moved onto maintainable modules without redesign risk.

Modernisation
04

Performance repair

Mainstream culprits found: heavy bundles, layout thrash, leaking listeners.

Speed
05

Widget & embed development

Embeddable booking, chat or calculator widgets other sites can host.

Widgets
06

Accessibility fixes

Keyboard paths and screen-reader behaviour restored to interfaces.

A11y

Engineering discipline

Small modules,
explicit dependencies.

Modern JavaScript is compiled, bundled and type-checked before browsers ever see it. We lean on that toolchain: tree-shaken builds, ES modules, and just enough abstraction that six months of feature work does not become archaeology.

ES modulesImports you can trace.
Linted codebasesConsistency enforced by tools.
Bundle budgetsSize regressions fail builds.
Tested logicCore behaviour covered by tests.

The ecosystem

A package universe,
curated carefully.

npm hosts nearly two million packages; success comes from choosing maybe fifteen of them deliberately.

Vite esbuild Vitest Playwright Axios Date-fns Chart.js GSAP Swiper ESLint

Our process

Behaviour specified,
then built.

Interactions get written down as acceptance steps before implementation starts.

01

Interaction spec

States, edge cases and keyboard behaviour documented per component.

Step 01
02

Prototype

Risky interactions proven in throwaway code first.

Step 02
03

Implementation

Production build with tests around non-trivial logic.

Step 03
04

Field monitoring

Real-user errors and timings watched post-release.

Step 04

Stability

No mystery
globals.

Frontend rot starts small: one global here, an unbounded listener there.

Dependency audits

Known CVEs blocked from entering production.

Error tracking

Runtime failures surface with context attached.

Perf regression alerts

Slowdowns flagged before users complain.

FAQ

Common questions.

Do we need a framework like React?

Not always. Well-structured vanilla JS outlives frameworks for smaller interfaces. We recommend per project.

Can you fix our slow website scripts?

Yes. Bundle analysis and runtime profiling usually reveal a handful of heavy offenders.

Is old jQuery code salvageable?

Often. We migrate incrementally, keeping the site live throughout.

Do you write tests for frontend code?

For logic and critical flows, yes. Pixel-perfect visual testing has limits we respect.

Can you build embeddable widgets?

Yes, isolated bundles designed not to fight the host page styles.

How do you prevent dependency risks?

Pinned versions, audit gates in CI and periodic upgrade reviews.

Let's talk

Have JavaScript work
that misbehaves?

Send the URL and symptoms; we will profile it and report what is actually wrong.

Email us