Senior Full Stack Developer

About AphexWe're the construction planning platform that's replacing outdated spreadsheets with multiplayer tools that delivery teams love. Major contractors like BAM, Balfour Beatty, SKANSKA, Kier, MACE, and Murphy use Aphex to deliver projects ranging from £50 million to multi-billion pound megaprojects.We're tackling an industry that drives 10% of global GDP yet has seen productivity decline for 20 years. It's time for change.The roleWe're looking for Senior Full Stack Developers based in the Philippines to join our growing team of 20+ developers. You'll bring robust backend skills to help our team, which is mainly working on frontend development. You'll build the systems that help construction teams each day on large projects, such as highways, bridges and hospitals. Your efforts will create infrastructure that millions will rely on in the years to come.This is a remote-first, hands-on engineering role where you'll tackle complex technical challenges while building products that construction teams genuinely enjoy using. You'll work across our entire stack, from creating delightful user interfaces to architecting robust backend systems that enable real-time collaboration at scale.What you'll doBuild and scale backend services that power real-time collaboration for teams on billion-pound projectsArchitect solutions for complex data synchronisation challenges between multiple construction planning systemsCreate elegant frontend experiences using React and TypeScript that make complex workflows feel simpleDesign and implement WebSocket-based features for live updates across distributed construction teamsOptimise performance for applications handling massive project datasetsContribute to our serverless infrastructure and event-driven architectureParticipate in code reviews and help elevate engineering standards across the teamCollaborate asynchronously with our global team while predominantly overlapping with PH timezone colleaguesAbout youEqual Opportunity:At Aphex, we believe our team should reflect the variety of perspectives in the world we build for. We encourage you to apply even if you don't meet every listed requirement - your unique perspective might be exactly what we need.Essential:Based in the Philippines with reliable internet connectionMust have 5 years' experience in software engineering with skills in JavaScript or TypeScript.Deep experience with React and modern frontend patterns (we use Redux client-side)Proven backend development skills - you've built and scaled production systemsExperience with real-time applications and WebSocket implementationsDeep understanding of database design and optimisation (NoSQL experience valued)Track record of delivering quality code through peer reviews and testingTop-notch written and verbal communication skills for async collaborationHighly valued:Experience with , serverless architectures, and event-driven systemsKnowledge of Redis for caching and real-time featuresAwareness of Go or Python for backend servicesExperience with GCP or similar cloud platformsCI/CD pipeline expertiseFlutter or mobile development experienceNot looking for:.NET or Java backgrounds (our stack is different)What we offerWork & Culture:Remote-first role with a thriving Philippines-based engineering team (20+ and growing)Flexible working hours with async collaborationJoin a team that takes ownership, focuses on quality, and genuinely enjoys solving hard problems togetherTeam Connection:2x Annual Team Offsites - all expenses paid adventures to connect in person:May 2025: Our entire Aphex team (40+) spent a week in Da Nang, Vietnam October 2025: Our dev team (20+) gathered in Siquijor, PhilippinesMonthly online socials with Airwallex card for team lunches and activitiesTime Off & Wellbeing:20 days PTO + Philippine public holidays (all paid)5 days sick leave (plus discretionary additional as needed - we're humans, not machines)Comprehensive private healthcare with family plan option₱2,000 monthly rice allowanceTech & Growth:Ongoing learning and training opportunities, including a training allowance Aphex coversWork on products used by teams building critical infrastructure that millions rely on dailyReady to transform construction?At Aphex, we believe our team should reflect the variety of perspectives in the world we build for. We encourage you to apply even if you don't meet every listed requirement - your unique perspective might be exactly what we need.Application and Interview ProcessFirst off we'd love you to apply here: Our second stage interview is a coding challenge in HackerRank focused on TypeScript, React and Docker -> the challenge here isn't to get 100% we use this as a way to better understand how you tackle coding challengesFrom here, we will conduct 2 rounds of interviews with our hiring managers, team leads and CTO