Senior Frontend Engineer (Part time)

Company DescriptionWe are a US (Silicon Valley)–based startup building a next-generation social media platform with a global vision. Our product is already in the implementation and validation phase, and we are actively running a full cycle of design → development → store release → post-launch iteration.We are looking for a Lead / Senior-level mobile frontend engineer who has real experience shipping and operating production mobile apps with React Native.This is not a task-only role. We are looking for someone who can take ownership of quality, stability, and post-release improvements.⸻LocationPart time (20hours per week)⚠️ First, we need to determine on which days and at what times the initial 20 hours will be scheduled. During those hours, attendance for both work and meetings will be required. ⚠️You will be expected to attend meetings during your scheduled working hours. In other words, you are expected to be at your computer at all times during those agreed working hours.Fully remoteRemote collaboration with a US (San Francisco)–based product owner and team⸻About the RoleThis role is intended for a Senior to Lead-level mobile frontend engineer.In addition to developing with React Native (Expo), you will be responsible for:App Store / Play Store releasesVersioning and release cyclesPost-release bug fixes and improvementsOngoing iteration to maintain product qualityRequirements will not always be fully defined upfront.We are looking for someone who can organize problems, propose solutions, and make sound implementation decisions independently.⸻ResponsibilitiesDevelop mobile applications using React Native (Expo)Handle iOS / Android store builds and releasesFix post-release bugs and improve stabilityImplement with performance and reliability in mindPropose frontend-driven design and architecture improvementsCollaborate closely with UI/UX, PM, and backend engineersTake clear ownership of assigned featuresGradually participate in technical decision-making as the role grows⸻Required Experience (Must-Haves)Shipped at least one mobile app to production using React Native (Apple App Store and/or Google Play Store)Hands-on experience with Expo (must understand the difference between managed and bare workflows)First-hand experience with:- App Store / Play Store submission and review- Release cycles and versioning- Post-release bug fixesStrong React Native fundamentals:- Navigation- State management- Performance basicsComfortable debugging on real devicesAble to work independently with minimal hand-holding❗ Candidates with React.js (web-only) experience and no mobile production release will not be considered⸻Explicitly Not a FitNo experience shipping a mobile app to the App Store or Play StoreHave not personally handled store releasesStrongly opposed to working within Expo constraintsRequires detailed task-by-task instructions to proceed⸻Nice to HaveExperience with Expo EAS (builds, submit, updates)Experience with OTA updates via Expo UpdatesExperience with bare workflow or custom native modulesBasic knowledge of Swift or KotlinExperience with mobile CI/CDStartup or fast-paced product development experience⸻Work SetupPart time (20hours per week)⚠️ First, we need to determine on which days and at what times the initial 20 hours will be scheduled. During those hours, attendance for both work and meetings will be required. ⚠️You will be expected to attend meetings during your scheduled working hours. In other words, you are expected to be at your computer at all times during those agreed working hours.Fully remoteAsync-friendly collaborationClear ownership of assigned features⸻CompensationPart-time equivalent (20hours per week) compensation is around USD 1,000-1,500 per monthActual compensation is calculated proportionally based on:- Scope of work- Level of involvement- Ownership and responsibilityCompensation is reviewed as responsibilities expandWe value ownership, outcomes, and product impact over hours worked.⸻Project ScopeThis project may include:Core mobile feature developmentUX and stability improvementsRelease and iteration cyclesFrontend-driven architectural improvements⸻Trial TaskA short technical trial task may be requested to confirm mutual fitThe goal is to align on code quality, thinking process, and collaboration style⸻Who This Role Is ForSenior or Lead-level mobile frontend engineersEngineers with real production experience using React Native + ExpoEngineers who want ownership over product quality, not just executionProfessionals interested in long-term involvement with a US-based productSelf-directed engineers comfortable working remotely⸻Why This Role Is DifferentA real, live production product (not a portfolio project)Ownership across design, implementation, and iterationDirect collaboration with the product ownerClear expectations and decision-making structureOpportunity to grow into a Lead / Tech Lead–level role as the product scales

Apply Now