30 ott - Veneto
Ruby Labs
h3About Us /h3 pRuby Labs is a leading tech company that creates and operates innovative consumer products.
We offer
a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer‑led products, and we're always looking for passionate individuals to join us. Learn more about our story at: /p h3About The Role /h3 pAt Ruby Labs, we are looking for a Senior Desktop Engineer to own and drive a new cross‑platform desktop product from first commit to production. /p pThis is a high‑ownership role with an unusually deep systems component. The application is not a wrapped web app: it captures system and microphone audio in real time, renders an always‑on‑top overlay across the user's workspace, registers global shortcuts, and integrates with the operating system at a level that requires native code on both macOS and Windows. /p pOur architecture is Electron for the application and UI layer, with native modules and helper processes in Swift and C++ where the platform requires it. You will own that boundary — deciding what belongs in TypeScript, what belongs in native code, and making the two halves behave as one reliable product. /p pYou will also own everything that happens after the build: code signing, notarization, entitlements, permission onboarding, auto‑update, and crash reporting. On this product, those are not an afterthought; they are a significant share of the engineering work, and getting them wrong is what stops users from ever running the app. /p pYou will operate as the senior technical voice for desktop within your team, setting the engineering standard for the platform. /p h3Desktop Application Engineering Quality /h3 ul liOwn the Electron architecture end to end — main, renderer and helper processes, IPC design, context isolation,
process lifecycle — and deliver major features within agreed timelines. /li liBuild transparent, frameless, always‑on‑top overlay windows that behave correctly across full‑screen spaces, multiple displays and mixed‑DPI setups, alongside global shortcuts, tray presence and low‑latency UI under continuous background load. /li liDesign a clean platform abstraction in TypeScript so the macOS and Windows implementations stay isolated and independently testable, and write idiomatic Swift and C++ in the native layer. /li liKeep the product reliable: defensive handling of unstable platform APIs, tests and code reviews, performance, memory and battery budgets, and remediation of security‑review and penetration‑test findings within agreed severity SLAs. /li /ul h3Native Platform Integration /h3 ul liBuild and maintain the native layer: Node addons (N‑API / node‑addon‑api) and out‑of‑process helpers in Swift and C++. /li liImplement real‑time system audio capture — Core Audio process taps and ScreenCaptureKit on macOS, WASAPI loopback on Windows — including device change handling, format negotiation, and graceful recovery from driver‑level failures. /li liIntegrate with the Accessibility API (AXUIElement) on macOS and UI Automation on Windows to read application context reliably. /li liOwn the IPC protocol and lifecycle between Electron and the native helpers,
and keep the application working as Apple and Microsoft change their platforms. /li /ul h3Distribution, Permissions Release Reliability /h3 ul liOwn code signing and notarization on macOS — hardened runtime, entitlements, nested binary signing, provisioning profiles — and Authenticode signing, SmartScreen reputation and antivirus false positives on Windows. /li liDesign the permission onboarding flow — microphone, system audio, screen recording, accessibility — so that grant rates stay high and failure states are recoverable. /li liBuild and maintain the release pipeline: CI matrix builds, signing from CI with HSM‑backed certificates, auto‑update, staged rollout and rollback. /li liOwn crash reporting and production telemetry for the desktop client, and act on what it tells you. /li /ul h3Qualifications /h3 ul li6+ years of software engineering experience, including production‑grade TypeScript/Node.js. /li li3+ years building and shipping Electron applications to real end users — not internal tools or proofs of concept. /li liHands‑on native macOS development in Swift and/or Objective‑C, with AppKit and at least one system‑level framework such as Core Audio, AVFoundation, ScreenCaptureKit, or the Accessibility API. /li liPractical experience writing native Node addons (N‑API / node‑addon‑api) or bundling and communicating with out‑of‑process native helpers. /li liDemonstrated experience with macOS code signing, notarization, entitlements and the TCC permission model — you have debugged a rejected notarization and know how to read the log. /li liWorking knowledge of the Windows desktop platform: Win32 APIs, Authenticode signing, and the practical realities of SmartScreen and antivirus reputation. /li liStrong grasp of multi‑process architecture,