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Typical Electron MVP
Core workflow, signed release, both platforms
100%
Senior engineers, US-based
No offshore handoff mid-build
Every sprint
An installable build you can run
Not a status deck between milestones
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Code and signing certificates yours
From the first commit
How an Electron app is structured
Main process, renderer process, and the boundary between them
Electron's architecture is what makes a web codebase behave like a desktop app, and it's also where most of the security and performance decisions in an Electron build actually live.
The main process
A single Node.js process that owns the app lifecycle — creating windows, handling menus, talking to the operating system, and managing anything with full system access (the file system, native APIs). There's exactly one main process per running app.
Renderer processes
Each window runs its own Chromium renderer process, showing your HTML/CSS/JavaScript UI — commonly built with React or Vue, the same as a web app. By default a renderer shouldn't have direct Node.js access; that boundary is a security decision, not an inconvenience.
Preload scripts and context isolation
A preload script runs with limited, controlled access to both the renderer's browser APIs and specific main-process capabilities you explicitly expose, via Electron's `contextBridge`. This is the correct way to let the UI request something like a file save — not by turning off `contextIsolation` and `nodeIntegration` to make an error go away, which is one of the most common Electron security mistakes we see in existing codebases.
Inter-process communication (IPC)
The main and renderer processes talk to each other through a defined message-passing API rather than shared memory. Designing that message surface deliberately — specific, named channels rather than a generic "run this" passthrough — is what keeps a renderer from being able to do more than the UI actually needs.
Native modules
Node.js native modules (node-ffi for calling C libraries, keytar for OS credential storage, and similar) extend what an Electron app can reach on the host system beyond what a browser sandbox normally allows. Each one adds a build-and-packaging dependency per target platform, which is worth accounting for in the timeline.
Auto-update
`electron-updater` (or Electron's built-in autoUpdater on macOS/Windows) checks a release server and applies updates without the user visiting a download page again. This has to be wired to your code-signing pipeline from the start — an update mechanism for unsigned builds doesn't carry over cleanly once signing is added later.
When Electron is the right call
Electron, Tauri, or native — decided by what the app actually needs
This is the decision the legacy version of this page skipped entirely. It's the one that actually determines whether an Electron choice ages well.
Electron is the right call for a web team shipping a real desktop app fast
If your team already builds with React, Vue, or plain JavaScript, and the app needs OS-level integration — a system tray icon, native notifications, local file access — that a browser tab can't provide, Electron gets there without hiring for a second, native tech stack. This is the case it was built for, and it's a strong one.
Tauri is the lighter alternative, at a real cost
Tauri uses the operating system's own webview instead of bundling Chromium, and a Rust-based backend instead of a full Node.js runtime — producing a dramatically smaller binary and lower memory footprint. The trade-off is a Rust backend most JavaScript-focused teams don't already know, and a younger ecosystem with fewer battle-tested native-integration libraries than Electron's.
Native (Swift/AppKit on macOS, WinUI on Windows) wins when the OS-native feel is the product
An app whose value depends on feeling exactly like the rest of the operating system — matching system animations, deep OS-specific integrations — is a case where neither Electron nor Tauri's cross-platform abstraction gets you all the way there. That's a native build, accepting the cost of separate codebases per platform.
Memory and disk footprint are a real, ongoing user complaint
An Electron app bundles a full Chromium instance, which typically puts baseline memory usage well above a comparable native app — a known, frequently-cited criticism of Electron apps in general, not specific to any one build. This is worth setting expectations about before a build starts, not discovering after a user complains post-launch.
Distribution: direct download vs. app stores
Direct download with auto-update is the most common Electron distribution path and the most flexible. The Mac App Store is also possible but imposes a stricter sandboxing model that some native-module integrations don't cleanly support — worth checking against your specific native dependencies before committing to that distribution channel.
What's involved
Electron engagement types
The variable that moves an Electron build's scope isn't window count — it's how many native OS integrations the app needs, and how much of an existing web codebase can be reused versus rebuilt for the desktop shell.
| Engagement | Commitment | Timeline | What's included |
|---|---|---|---|
| Electron MVP | Fixed scope | 6 – 10 weeks | Core workflow, main/renderer architecture with context isolation, and signed releases for macOS and Windows. |
| Web app to Electron desktop shell | Fixed scope | 4 – 8 weeks | Wrapping an existing web app for desktop distribution, with native menu, tray, and notification integration added around it. |
| Native module integration | Fixed scope | 2 – 6 weeks | OS-level capability — credential storage, hardware access, a native file dialog — added via a native Node.js module and exposed safely through a preload script. |
| Code signing and notarization pass | Fixed scope | 1 – 3 weeks | macOS notarization and Windows code signing set up end to end, including the auto-update pipeline that depends on it. |
| Tauri migration assessment | Fixed scope | 1 – 2 weeks | A real evaluation of whether moving off Electron to Tauri is worth the Rust learning curve for your specific app and team. |
| Ongoing Electron maintenance | Ongoing retainer | Ongoing | Chromium and Node.js version upgrades, dependency security patching, and OS-compatibility fixes as Windows and macOS update. |
Ranges assume US-based senior engineers and include code signing and notarization rather than quoting them separately — an unsigned build that triggers a Windows SmartScreen warning or a macOS Gatekeeper block on launch is a common gap in a cheaper quote, and it's the kind of thing a user notices in the first ten seconds.
Security and distribution
The realities that don't show up until release week
An Electron app that works on a developer's machine and one that's actually safe to distribute to real users are different bars, and the gap between them is where most of the unglamorous work lives.
contextIsolation and nodeIntegration defaults matter
Electron's secure defaults — `contextIsolation: true`, `nodeIntegration: false` — should stay on, with specific capabilities exposed through a preload script's `contextBridge` rather than disabled wholesale to make a renderer error go away. Auditing an inherited Electron codebase for these settings is one of the first things worth checking.
Content Security Policy applies to Electron too
A renderer process is still a Chromium browser context, and a CSP header restricting what scripts and resources it can load is as relevant here as on a website — more so, since a renderer compromise in a desktop app can potentially reach further into the host system through IPC than a browser tab could.
macOS notarization is required, not optional, for a smooth install
Apple's Gatekeeper blocks unsigned and unnotarized apps by default, showing a scary warning that stops most users cold. Notarization requires an active Apple Developer account and has to be built into the release pipeline, not added as an afterthought once users start complaining.
Windows code signing avoids SmartScreen warnings
An unsigned Windows installer triggers a Microsoft Defender SmartScreen warning that most users won't click through. A code-signing certificate resolves this, and reputation with SmartScreen builds over time as more users install signed releases.
Auto-update has to be built on signed releases from the start
Electron's auto-update mechanisms verify update authenticity against your signing certificate — retrofitting signing onto an app that's already shipped unsigned updates to users means those users can't be safely auto-updated to the newly-signed version without a manual reinstall.
Dependency auditing is an ongoing job, not a one-time pass
An Electron app inherits Node.js's dependency-security surface on top of Chromium's — both need to stay current. A stale Electron version specifically means a stale bundled Chromium, with whatever security fixes shipped in newer Chromium releases still missing from your app.
Hiring
What to look for when hiring an Electron developer
Electron fluency starts with web fundamentals — there's no way around that — but the framework-specific judgment on top of it is what actually separates a secure, maintainable Electron app from one that works today and breaks on the next OS update.
Node.js and web fundamentals first
Electron assumes real proficiency in both Node.js (for the main process) and whatever frontend framework runs the renderer. A candidate strong in one and weak in the other tends to produce an app that's solid on one side of the process boundary and thin on the other.
Understanding of the main/renderer security boundary
Knowing why `contextIsolation` and `nodeIntegration` defaults exist, and how to expose specific capabilities safely through a preload script instead of disabling the defaults, is the single most consequential Electron-specific skill — and the one most often missing in a from-scratch tutorial-built app.
Real packaging and signing experience
Getting a build to run locally with `electron-forge start` is a small fraction of shipping an Electron app. Experience with `electron-builder` or Forge's packaging pipeline, macOS notarization, and Windows code signing — including what breaks when a certificate expires mid-release — is where the job actually is.
Judgment about when Electron isn't the answer
A candidate who's aware of Tauri and native alternatives, and can speak honestly about Electron's memory footprint rather than treating it as a non-issue, is more likely to make good architecture calls on your specific app than one who reaches for Electron by default on every desktop request.
Related
Related services
What Electron projects usually connect to.
Questions
Common questions about Electron development
What teams ask before a first call.
It depends on whether the work is a new MVP, wrapping an existing web app for desktop distribution, or an ongoing maintenance engagement. What moves a quote most is how many native OS integrations the app needs — a system tray icon and native notifications are a smaller lift than deep hardware access through custom native modules.
A scoping call produces a real figure faster than any range on a page would.
Electron is an open-source framework, developed and maintained by GitHub, for building cross-platform desktop apps using web technologies — JavaScript, HTML, and CSS — instead of separate native codebases per operating system. It combines a Node.js runtime for system-level access with Chromium for rendering the interface.
It's widely used for exactly the case it was designed for: a team that already builds for the web shipping a real, OS-integrated desktop app without hiring separately for Windows and macOS native development.
Electron is the right call when your team already knows JavaScript and the app needs solid, battle-tested native integrations with a large ecosystem of existing libraries. Tauri is worth serious consideration when app size and memory footprint matter more than development speed, and your team is willing to take on a Rust backend for the parts Tauri handles natively.
We'll walk through both against your specific requirements rather than default to whichever is more familiar to us — this is a real trade-off, not a settled question.
Through `electron-updater` or Electron's built-in autoUpdater, checking a release server and applying updates without sending users back to a download page. This has to be built on top of your code-signing pipeline from the start, since update verification depends on signed releases — retrofitting signing after users already have unsigned installs means those users need a manual reinstall to get onto the signed update path.
Yes, and both matter for different reasons. macOS notarization avoids Gatekeeper blocking the app outright on first launch; Windows code signing avoids a Microsoft Defender SmartScreen warning that stops most users from proceeding. Both require their own certificates and accounts (an active Apple Developer account for notarization, a code-signing certificate for Windows) and should be part of the release pipeline from the first shipped build, not added after launch.
Because each Electron app bundles its own Chromium instance rather than sharing one with the operating system or other apps, which puts baseline memory usage meaningfully above a comparable native app — a well-known, frequently-cited trade-off of the framework, not a flaw specific to any one build.
If that footprint is a hard constraint for your product, Tauri (using the OS's own webview instead of bundled Chromium) or a native build are the alternatives worth evaluating, and we'll tell you honestly if one of them fits your case better than Electron does.
Yes — this is one of the more common Electron engagements. Most of an existing web app's UI code carries over into the renderer process largely unchanged; the new work is the main-process shell (native menus, tray, file access), the preload-script boundary between them, and the packaging and signing pipeline for distribution.
We'll scope how much of your app actually needs main-process integration versus how much can stay exactly as it runs on the web.
Yes. Source code, the Apple Developer account used for notarization, and the Windows code-signing certificate should be registered under your own organization from day one, not ours. That's the only arrangement that doesn't lock you to a vendor to ship your own updates or move to a different team later.