Senior App Developer [In-House, On-Site In Dalung, Bali]

We're a digital marketing agency building internal tools and client-facing products for the contracting industry. We move fast, and we've been prototyping fast, and now we need someone who can take what we've built and make it production-ready. This is a hands-on senior role with direct access to leadership and real ownership over the technical side of the business. This is not a vibe-coding role. We need someone who understands what's behind the code. Lead development on our core internal platform (marketing ops tool evolving into a client-facing SaaS)

Maintain and improve our website audit tool, currently built in React + NestJS Review existing codebases for security vulnerabilities: input sanitization, XSS protection, auth patterns Build new automation and workflow tools as the product roadmap grows

Work directly with leadership to scope and architect new features Must-Haves Excellent English, written and spoken

Familiarity with marketing technology or agency environments Based in or open to relocating to Bali (we have a dedicated office with a dev setup ready to go) Experience & Portfolio

Senior level only Familiar with AI-assisted coding Strong full-stack experience with React and NestJS (or equivalent modern frameworks)