App Developer – SaaS Marketplace Integrations; API, Python, Node.js, TypeScript
Florida, USA
Listed on 2026-11-04
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Software Development
Backend Developer, Full Stack Developer, Node.js, Software Engineer
Full-time alignment required with PST timezone (Mon - Fri | 9am-5pm)
We’re seeking an experienced App Developer to build, launch, and maintain an application on one or more major SaaS marketplaces such as:
- Shopify
- Hub Spot
- Figma
- Slack
- Others
You’ll own the full lifecycle of development — from integrating our APIs and authentication flows to deploying and maintaining the app post-launch.
Ideal candidates have previously built production-ready marketplace apps or third-party integrations connecting APIs between platforms.
Responsibilities- Develop and launch a fully functional app or integration on a major SaaS platform
- Connect and extend our product’s functionality through REST APIs and webhooks
- Implement secure authentication (OAuth 2.0) and handle multi-tenant configurations
- Manage submission, approval, and version updates on marketplace
- Provide ongoing support, maintenance, and improvements post-launch
- Proven experience developing apps for Shopify, Hub Spot, Canva, Adobe, Slack, or similar ecosystems
- Strong experience in Python, Node.js, or Type Script
- Hands‑on experience with REST APIs, webhooks, and OAuth 2.0
- Familiarity with marketplace submission and approval processes
- Excellent communication and ownership mindset
- Must align full‑time with PST timezone
- A live, production‑ready app published on a supported platform
- Full integration with our existing API endpoints
- Post‑launch monitoring and iterative improvements
To be considered, you must complete a live coding interview
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*** All answers must be in English.***
What’s the next step? If successful, you’ll have one more interview before receiving a job offer if you're a good fit.
What happens after submission? We’ll review your application within 2–3 business days and contact you if you qualify for the next stage.
When would I start? As soon as possible, with flexibility to accommodate your circumstances.
How long does it take? About 5-10 minutes to complete.
We look forward to reviewing your application!
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