Senior Software Engineer (Full Stack)

About Aphex We're the construction planning platform that's replacing outdated spreadsheets with multiplayer tools that delivery teams love.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 role We'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. Interview Process Our interview process includes a few stages to ensure a great fit on both sides. This starts with a brief one-way video screening on Willo (only a few minutes), followed by a coding challenge, and then two Google Meet conversations with the team. We value transparency and will guide you through each step. What you'll do Build and scale backend services that power real-time collaboration for teams on billion-pound projects Architect solutions for complex data synchronisation challenges between multiple construction planning systems Create elegant frontend experiences using React and TypeScript that make complex workflows feel simple Design and implement WebSocket-based features for live updates across distributed construction teams Optimise performance for applications handling massive project datasets Contribute to our serverless infrastructure and event-driven architecture Participate in code reviews and help elevate engineering standards across the team Collaborate asynchronously with our global team while predominantly overlapping with PH timezone colleagues About you Essential: Based in the Philippines with reliable internet connection Must 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 systems Experience with real-time applications and WebSocket implementations Deep understanding of database design and optimisation (NoSQL experience valued) Track record of delivering quality code through peer reviews and testing Top-notch written and verbal communication skills for async collaboration Highly valued: Experience with Node.js, serverless architectures, and event-driven systems Knowledge of Redis for caching and real-time features Awareness of Go or Python for backend services Experience with GCP or similar cloud platforms CI/CD pipeline expertise Flutter or mobile development experience Not looking for: .NET or Java backgrounds (our stack is different) What we offer Work & Culture: Remote-first role with a thriving Philippines-based engineering team (20+ and growing) 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, Philippines Monthly online socials with Airwallex card for team lunches and activities Time 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 allowance Tech & Growth: Ongoing learning and training opportunities, including a training allowance Aphex covers Work on products used by teams building critical infrastructure that millions rely on daily Ready 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. We're focused on making real impact, together.