Finn B.

🌐 Top 4% Upwork freelancers globally ⚡️ Ranked #1 for SaaS Development in Australia Need a reliable full-stack developer to support your existing product or help your agency deliver client projects? I have 5 years of experience building, maintaining, and deploying production web and mobile apps, including 3+ years working within a development agency, working with clients like Polestar and The University of Cambridge. How I can help: • Ongoing product development: new features, improvements, bug fixes and technical maintenance for existing applications. • Agency development support: additional React / TypeScript capacity for your client projects, working independently or alongside your internal team. • Web and mobile applications: React, Next.js and React Native / Expo development across frontend, backend and mobile. • Integrations and infrastructure: APIs, authentication, payments, databases, CMS integrations and production deployments. • Application maintenance: dependency updates, performance improvements, troubleshooting and ongoing technical support. Technical experience: React, Next.js, TypeScript, JavaScript, React Native, Expo, Node.js, Supabase, PostgreSQL, Strapi, Tailwind CSS, Vercel, Railway, Stripe, RevenueCat, and OpenAI integrations. What it's like working with me: I value clear communication, maintainable code and predictable delivery. I'm comfortable joining an established codebase, understanding existing systems and taking responsibility for well-defined work with minimal supervision. I'm particularly interested in long-term, part-time engagements with Australian and New Zealand agencies and software businesses. If your team needs consistent development capacity for an existing product or recurring client work, send me an invitation with your tech stack, priorities and expected weekly commitment.