Full Stack Software Engineer

About LinesLINES is a real-time community-driven going out platform.

We show live videos of the best venues, line ETAs, have detailed what's on listings and offer deals to our users across London, Melbourne, Sydney, and Brisbane.

Tens of thousands of users rely on LINES every weekend to decide where to go out.

We're expanding quickly and transitioning from Firebase to our own AWS-based backend to support new features and scale.What you'll doBuild and maintain backend services that power location-based featuresDesign APIs and data flows that are efficient, reliable, and easy to integrate on mobile and webOwn the full lifecycle of backend features : from idea and architecture to deployment and monitoringCreate and manage scraper infrastructure (cron jobs, site parsers, normalization, deduplication) to feed our event databaseArchitect and implement feed systems (fanout, ranking, filtering) for building real-time, personalized timelines similar to Instagram or TwitterIntegrate with third-party APIs and services (e.g. chat, maps, video, etc...)Collaborate closely with the founder and other engineers on product direction and system designImprove internal tools and workflows to reduce manual work and scale operationsWhat we expect from youYou're a builder : you take ownership, unblock yourself, and care about getting things doneYou think in terms of systems, tradeoffs, and long-term maintainabilityYou're comfortable working in an early-stage environment where priorities shift fastYou're pragmatic : you write clean code, but you don't get stuck polishing when things need to shipYou communicate clearly and can defend or adapt your technical decisionsYou know when and how to apply caching (e.g. Redis) to improve performanceYou've worked with message queues or pub / sub systems (like SNS, SQS, or similar)You're comfortable working with scrapers : parsing HTML, handling rate limits, and making things resilientYou're fine working across the stack when needed, even if your focus is backendTech StackBackend : NestJS (Node.js), TypeScript, Firebase (Auth, Firestore – legacy), AWS (Elastic Beanstalk, SNS, S3, Lambda)Frontend : Next.js (ISR, Streaming), Expo (React Native)Infra : AWS, Cloudflare, Vercel, GitHub ActionsNice to haveExperience with Expo or React NativeExperience working on real-time data, chat, or video platformsFamiliarity with Firebase (helpful during the migration phase)Apply here :