Software Engineer (Flutter + Web)

Plugin Promotions · Remote · Full time · Overlap with US Eastern hours requiredAbout Plugin PromotionsPlug-in Promotions builds Plugin OS, the platform powering promotions and connected hardwareinside live venues. The product is deployed across approximately 250 venues with around 700devices in the field, and it is used every night by real operators and their customers.We are a venture backed company with a small engineering team and a short path fromdecision to production.The opportunityWe are looking for a Software Engineer to take ownership of significant parts of the Plugin OSproduct surface, working closely with our CTO.This is a high autonomy role. You will own features from specification through to release acrossmobile, web and backend, rather than working from a groomed ticket queue. If you want scopeand visible impact early, this role offers both.ResponsibilitiesDesign, build and ship features across our Flutter mobile applicationsBuild web dashboards and internal tooling in React or VueWork across the Firebase stack, including Firestore, Authentication, Cloud Functions, Storage and Cloud MessagingTranslate product direction into working software quickly, iterating with the CTO as it takes shapeManage releases to the App Store and Google Play, and support the product once it is liveRequirements Demonstrable production experience with Flutter, including applications published to the App Store or Google PlayStrong Firebase experience covering Firestore data modelling, security rules and Cloud Functions Working proficiency with React or Vue.jsThe ability to carry a feature from concept through to deployment independentlyProfessional working English, spoken and written, sufficient for calls and async collaboration across time zonesPreferredExperience with point of sale, payments, kiosk or other hardware adjacent systemsExperience at an early stage company with a small engineering teamHow we workWe are an AI native engineering team. Cursor, Claude Code and similar tools are a standardpart of our workflow, and we license them for the whole team.We are interested in engineers who use these tools deliberately and get more done because ofthem. Equally, we expect the engineering judgement to review what is generated, recognisewhen it is wrong, and diagnose production issues on devices already deployed in venues.Please tell us how you work with these tools when you apply.Compensation and benefits● Competitive monthly compensation in USD, benchmarked to experience and market● Equity participation for early team members● Flexible time off with no fixed annual allowance● Health coverage, or a monthly stipend toward a local plan for candidates outside the US● Full AI tooling and development software licensed by the company● Meaningful ownership of a product operating at real scaleHiring processWe do not run screening calls before seeing code. The build task described below is part of theapplication itself.1. Complete the build task and submit it with your application2. Application and submission review, with a response either way within one week3. A technical discussion of your submission with the CTO4. Offer decisionEvery complete submission is reviewed by the CTO and receives a written response. We knowwhat we are asking for and we will not leave you waiting.How to applyEmail sumesh@pluginpromotions.com with the following:1. Your CV or LinkedIn profile2. Two or three applications you have shipped, with store links where available3. Your GitHub or portfolio4. A short note on how you use AI tooling in your development workflow5. Your expected monthly compensation in USD6. Your completed build task, as described belowApplications without a completed build task will not be reviewed.The build taskThis is required. It is how we assess candidates, and it replaces the usual screening call.Lightweight POS with remote menu controlBuild a Flutter project containing two applications sharing a single Firebase backend.POS application (tablet or web layout)Displays the active menu with item name, price, category and availabilitySelecting items builds an order with a running totalMenu changes made from the manager application appear live, without a restartManager application (phone layout)Create, edit and delete menu itemsToggle items between available and sold outChanges propagate to the POS application in real timeExpectationsFlutter for both applications, Firestore as the backendShared models and business logic across the two applications rather than duplicated codeBasic Firestore security rulesA README covering how to run the project, the reasoning behind your architecture, what you would build next with more time, and which AI tools you used and for what Scope: this is designed to take six to eight hours. How you scope your work is part of what weare assessing, so a smaller implementation that works correctly is a stronger submission than alarger one left unfinished. Note in the README anything you deliberately left out and why.Submission: upload to Google Drive and share the link with sumesh@pluginpromotions.com.Include the repository or an archive, plus a two to three minute screen recording showing bothapplications working together.You retain full ownership of anything you build for this exercise, and we will not use it.