Senior Full Stack Engineer (Python / React / AWS) - AI-Accelerated Development

Adwisely is an Ad Tech SaaS on Shopify that helps e-commerce businesses run ads on Meta and Google. We're evolving from a setup wizard into an AI that analyzes a store, identifies the best product opportunities, generates creatives, launches campaigns, and optimizes them automatically. The merchant sets a ROAS target and Adwisely does the rest.

We're looking for a senior engineer to take real ownership of the product and help us ship the next chapter.

What you'll own

In the first months, you'll get deep into the existing platform: stabilize, maintain, and build context. Then you'll move into building:

• AI-native experience. Store intelligence that analyzes a merchant's data, scores products by predicted ROAS, and drives every campaign decision automatically.
• Shopify-deep integration. Adwisely should live where merchants already work: Shopify admin, Sidekick, Flow, not as a separate tool they have to visit.
• Platform reliability and UX improvements. Bulletproof onboarding, ROAS optimisation, clearer performance visibility.
• Quality at every stage. You own QA as part of the delivery process. That means writing specs that include acceptance criteria, reviewing AI-generated code critically before merging, and making sure each feature is tested before it ships.

How we work

We build with AI-assisted development. The workflow is: write a tight spec, generate the implementation, review and refine, ship. You don't need to write every line from scratch. You need to spec well, review confidently, and maintain a high bar for what gets merged.

You'll work directly with the company founders. No PM layer, no sprint ceremonies.

Requirements

• 5+ years with Python and React in production
• Hands-on experience with AWS: EC2, RDS, S3, Lambda, or similar
• Comfortable owning the full stack: React frontend, Python backend, cloud infrastructure
• Experience with at least one of: Shopify APIs, Meta Marketing API, Google Ads API
• Used to being the primary engineer and making architectural calls without a lot of hand-holding
• Experience with AI coding tools (Cursor, Claude Code, Copilot)
• QA as part of shipping: you write tests, review diffs carefully, and don't consider something done until it's verified

Nice to have

• Experience building or maintaining Shopify apps
• Familiarity with LLM API integration (OpenAI, Gemini)
• Background in ad tech or performance marketing

What we offer

• Real equity: joining as the primary engineer at a pivotal moment
• Architecture ownership: meaningful decisions, not just tickets
• Fully remote, flexible schedule
• Competitive salary
• Paid vacation