CR3SCENDO.AI
CR3SCENDO AI/Careers/Open Roles/Backend Engineer Intern
Back to Careers
EngineeringinternshipRemote (US)

Backend Engineer Intern

You will participate in building one of the most comprehensive, secure, and resilient backend platforms ever designed from the ground up to leverage AI for real-world execution. Work on our 11-microservice architecture, federated data models, and complex Python-based routing logic. You’ll help us build the Neural Core that orchestrates everything from C-Corp and LLC formation to multi-ledger bookkeeping to customer acquisition tools.

10-20 hrs/week12-16 weeksInnovation Dividend
PythonFastAPIPostgreSQLRedisDockerSQLAlchemy

What You’ll Learn

  • Production Python/FastAPI microservice development
  • Distributed system architecture with 11 microservices
  • PostgreSQL with row-level security and Alembic migrations
  • AI pipeline engineering (sandwich pattern, cost routing, PII redaction)
  • Professional engineering practices: CI/CD, code review, testing

What We Offer

The Innovation Dividend

1

Direct mentorship from a 5x founder (2 acquired), former Amazon VP, and Affiliate Assistant Professor at UW

2

Ship to production on a 90,000+ LOC codebase with 3,000+ tests

3

Portfolio credit on a category-defining AI platform

4

Mission-driven work democratizing the C-Suite for 36 million small businesses

Prerequisites

  • *Deep passion for backend development
  • *Relentless curiosity
  • *Voracious appetite and willingness to learn

Desirable

  • +Python experience
  • +AI coding tools proficiency
  • +Cloud deployment familiarity
  • +CI/CD pipeline experience
  • +Distributed microservices knowledge

How deep does a non-technical founder really need to understand the technology behind their product?

Technology Is a Means to a Business End

0:00 / 0:00
Prefer to read? View transcript →

From a fireside chat at the University of Washington, INFO 498 (May 2025).

Interested in this role?

No cover letter. No 45-minute application form. Tell us who you are, what excites you, and link your best work. Under 5 minutes.

Apply Now

Have questions? Connect with Samir on LinkedIn

Other Roles

Design

Product UX/UI Designer Intern

Design liminal product experiences that guide founders through the uncertain spaces of entrepreneurship. Reduce the anxiety of company-building into intuitive, beautiful interfaces.

Marketing

Product Marketing Intern

Rethink marketing by putting yourself in the shoes of the founders we serve. Craft campaigns and PLG strategies that add immediate value to a founder’s life.

Marketing

Influencer Marketing Intern

Create scroll-stopping social content, build posting strategies, and find creative ways to put CR3SCENDO AI in front of every founder, could-be founder, and wanna-be founder.

Engineering

Front End Engineer Intern

Build our massive fractal UI, from SEO-optimized public web scaffolding to the interactive authenticated Owner’s Cockpit. Push the limits of modern web and mobile rendering.

Engineering

Hackers & Breakers Intern (English)

Be our English-speaking reality check. Log into our platform as a real US founder and use every trick to break it, hack it, and stress-test it. Find what customers will love, hate, and stumble on.

Engineering

Hackers & Breakers Intern (Spanish)

Be our Spanish-speaking reality check. Put on the hat of a Spanish-speaking founder, learn what it means to build a business, and stress-test our platform in Spanish.

Engineering

Hackers & Breakers Intern (Simplified Chinese)

Be our Simplified Chinese-speaking reality check. Put on the hat of a Simplified Chinese-speaking founder, learn what it means to build a business, and stress-test our platform in Simplified Chinese.

Operations

Financial Operations Intern

Wear the hat of a small business owner. Automate bookkeeping, verify that double-entry accounting works for SMEs, and ensure Nexus handles real-world financial scenarios flawlessly.

Wildcard

Learners, Dreamers & Tinkerers

Don’t fit into the boxes above? Good. Imagine your own role. Tell us what you want to do and why, and show us how your unique tinkering can help democratize the C-Suite.

Engineering

Founding Distinguished Engineer

The Innovator-in-Chief. You’ve reached the pinnacle at Big Tech. Now build the technical foundations of what becomes the fastest-growing unicorn in agentic commerce, and define an entire category.

Design

Founding Principal UX/UI Designer

Architect the world’s first liminal digital co-founder experience: a product that lives inside a founder’s mind, feels their anxiety and brilliance, and morphs to who they are.

Engineering

Founding Principal Front-End Engineer

Own the entire front-end surface of a platform that serves 36M+ founders. Flutter and Next.js at category-defining scale, from SEO-optimized public web to the authenticated Owner’s Cockpit.