Internal App Builder - Base44

As an Internal App Builder at Base44, you’ll design, build, and lead projects end-to-end. We are looking for an independent, proactive builder who can take full ownership of projects from concept to deployment without needing hands-on guidance.

In this role, you’ll turn real business needs into fully functional apps, while pushing our platform to its creative and technical limits. You’ll experiment with new features, edge cases, and ambitious builds that test what Base44 can really do. Your work won’t just power internal operations—it will generate insights that shape our product roadmap and help us deliver a stronger platform for all our users.

What you’ll do:

• Drive and lead internal projects end-to-end, operating with high autonomy.

• Build internal tools, dashboards, and workflows on Base44 to support product, engineering, and business teams.

• Explore and stretch the boundaries of the platform by attempting complex or unconventional builds that reveal strengths and limitations.

• Share findings directly with product managers and engineers to inform new features, improvements, and fixes.

• Prototype quickly, iterate often, and showcase what’s possible with Base44.

• Maintain and refine internal apps to ensure reliability, usability, and scalability.

• Document approaches, best practices, and lessons learned to inspire both internal teams and external users.

• 3+ years of experience in Software Development, Frontend Engineering, Technical Product Management, or any  relevant hands-on technical role - must

• Practical programming experience with the ability to write clean, functional code - must

• Deep understanding of integrations, APIs, system architecture, and how modern web applications work under the hood.

• Strong product sense paired with technical execution skills— ability to understand user/business needs and translate them into great functional design.

• Hands-on experience building applications with AI / Vibe Coding tools, as well as low-code/no-code platforms.

• Highly proactive, resourceful, and capable of taking complete ownership of projects independently from scratch.

• Strong problem-solving skills with the ability to break down business workflows into functional, scalable app designs.

• Curiosity and persistence to figure out how far we can go when working with platform features.

• Ability to debug, optimize, and refine apps for real-world use.

• Excellent communication skills with the ability to translate technical findings into clear product insights.

We're Base44, a newly acquired part of Wix, on a mission to change how software gets built. Our AI-powered platform empowers anyone to create custom software applications using natural language—no traditional coding required. Operating like a startup within Wix, we're fast, collaborative, and focused on turning complex problems into simple, powerful solutions.

We exist for creators, solo founders, startups, entrepreneurs, side hustlers, and everyone who wants to turn their ideas into reality. Whether you're launching a product, validating a concept, or exploring a hunch, Base44 helps you build it.

We're growing fast, the opportunity is huge, and with your help, our user-driven growth can become unstoppable.