App Developer – SaaS Marketplace Integrations (API, Python, Node.js, TypeScript)

Odesa.co; Florida; Hybrid; USD 90,000 - 130,000; Full time

Benefits offered by this job

Live coding interview

Job summary

Odesa.co is seeking an App Developer to build, launch, and maintain a production-ready integration across major SaaS marketplaces such as Shopify, HubSpot, Canva, Adobe, and Slack.

The role focuses on API integration, authentication flows, and post-launch maintenance, with a full-time commitment aligned to PST hours. Candidates with prior marketplace app experience are preferred, and a live coding interview is required.

Qualifications

• Proven experience building apps for major SaaS marketplaces.
• Strong experience with Python, Node.js, or TypeScript.
• Hands-on with REST APIs, webhooks, and OAuth 2.0.
• Familiarity with marketplace submission/approval processes.

Responsibilities

• Develop and launch a fully functional app or integration on a major SaaS platform.
• Connect and extend functionality via REST APIs and webhooks.
• Implement secure authentication (OAuth 2.0) and multi-tenant configurations.
• Manage submission, approvals, and version updates on marketplaces.
• Provide ongoing support, maintenance, and improvements post-launch.

Skills

Python

Node.js

TypeScript

REST APIs

OAuth 2.0

Webhooks

Tools

Shopify

HubSpot

Canva

Adobe

Slack

Job description

App Developer – SaaS Marketplace Integrations (API, Python, Node.js, TypeScript)

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
• HubSpot
• 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

Requirements

• Proven experience developing apps for Shopify, HubSpot, Canva, Adobe, Slack, or similar ecosystems
• Strong experience in Python, Node.js, or TypeScript
• 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

Additional Notes

To be considered, you must complete a live coding interview.

***All answers must be in English.***

FAQs:

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!