Senior Full-Stack Engineer: AI-Native, End-to-End Lead

CtrLoop; Forward Township (PA); On-site; USD 120,000 - 180,000; Full time

Job summary

CtrLoop is seeking a Senior Full Stack Engineer to own end-to-end features in an AI-native pipeline. You will design frozen contracts, build in parallel with Claude, and drive forward-deployed engagements on external projects.

Expect leadership, mentorship, and architectural review as core responsibilities. Required 5+ years shipping production full-stack software with Python/Django and React/React Native, plus strong API design and data modelling skills.

Qualifications

• 5+ years shipping production full-stack software.
• Python depth – Django/DRF (or comparable) in production: data modelling, migrations, auth, background jobs, tests, Postgres, performance under real load.
• JavaScript/TypeScript depth - React on web plus React Native, or a shipped comparable mobile app.
• Architecture judgment – API/contract design, failure modes, scalability trade-offs; you can review someone else's design and make it better in one pass.
• AI-native working style – an AI coding tool is already your daily driver; you direct, review, and correct its output fast, and verify by running the app.
• Written clarity – your contracts are frozen documents two build tracks work against.
• Ownership and review leadership – you drive features to live without being chased, and make the people around you better.
• Client-facing composure – scope, demo, absorb critique, iterate live; you'll lead engagements early

Responsibilities

• Own features end-to-end from frozen contract to live metric delivery.
• Design the frozen contract + simulator; build backend ∥ frontend in parallel with Claude across Python/Django, TypeScript web, and React Native.
• Lead forward-deployed engagements executing external projects on our pipeline.
• Review gates for architecture, scalability, and design-system consistency.
• Mentor junior engineers and evolve the pipeline playbook.

Skills

Python

Django/DRF

JavaScript/TypeScript

React (web)

React Native

Architecture judgment

AI-native working style

Ownership and leadership

Client-facing

Tools

Docker

GCP

CI

systemd

PostgreSQL

Job description

CtrLoop is seeking a Senior Full Stack Engineer to own end-to-end features in an AI-native pipeline. You will design frozen contracts, build in parallel with Claude, and drive forward-deployed engagements on external projects.

Expect leadership, mentorship, and architectural review as core responsibilities. Required 5+ years shipping production full-stack software with Python/Django and React/React Native, plus strong API design and data modelling skills.