We make apps for real world problems
Become a $200k+ Product Engineer in 90 days using AI
Free to start · runs locally · macOS, Windows & Linux
Develow IDE — Shopping Cart I⏱ 12:40Use AI on every major stack
React
Next.js
Node.js
TypeScript
Python
FastAPI
Express
Django
Postgres
MongoDB
GraphQL
Go
DockerThe interview has changed
The new FAANG interview process
Landing a software role used to mean a computer science degree and years of formal education. Not anymore. Tech now hires on one thing: proficiency in the exact stack the team is building on.
How it used to work
Degrees & credentials
The old gatekeeping
How it works now
Proven proficiency
This is all you need
Tech doesn't require a degree anymore — just proficiency in the exact stack companies are hiring for.
Get the FAANG question banks — free
Real full-stack product engineering problems from Amazon, Google, Microsoft and more. Drop your email and we'll send them over.
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Why Develow exists
Real engineering isn't isolated puzzles
Traditional prep drills puzzles in isolation. Real engineering means shipping software — so that's what you practice, and it maps directly to what gets you hired:
A structured path
Your 90-day roadmap
- 1Month 1Day 1
Foundations
Learn the fundamentals of modern product engineering — frontend, backend, database, security, and Docker. Build confidence through guided exercises and curated learning paths.
- 2Month 2Day 30
Product Engineering
Move beyond tutorials. Build features, connect services, and design systems — learning how software is actually developed inside modern technology companies.
- 3Month 3Day 60
Interview Preparation
Practice realistic full-stack assessments and product-focused challenges. Walk into interviews knowing you've already solved similar problems.
- 1Month 1Day 1
Foundations
Learn the fundamentals of modern product engineering — frontend, backend, database, security, and Docker. Build confidence through guided exercises and curated learning paths.
- 2Month 2Day 30
Product Engineering
Move beyond tutorials. Build features, connect services, and design systems — learning how software is actually developed inside modern technology companies.
- 3Month 3Day 60
Interview Preparation
Practice realistic full-stack assessments and product-focused challenges. Walk into interviews knowing you've already solved similar problems.
Not a text editor
Develow IDE
Most interview platforms give you a text box. Develow gives you an engineering workspace — because that's how you'll be evaluated on the job.
Real projects
Open runnable full-stack repos, not snippets — across React, Node, Python, SQL and more.
Run the tests
Execute the suite, watch it go red and green, and prove your fix actually works.
Debug applications
Trace a broken feature from the UI through the API to the database and ship the fix.
Production-style codebases
Navigate realistic project structures the way engineers do every day.
AI tools in the loop
Use an AI pair the same way modern engineers do — to move faster, not to cheat.
Timed, scored reps
Submit under realistic conditions and get scored on correctness, approach, and speed.
The best job in tech
The only job where you use AI for everything
Product engineering is the best seat in tech right now: you get to use AI for almost everything — but only if you know the fundamentals well enough to direct it, verify it, and ship with confidence. That's exactly what you practice here.
Understand
Know the fundamentals well enough to read the problem and the codebase first.
Use AI for everything
Let AI do the heavy lifting — you direct it toward what actually matters.
Verify
Run the tests and confirm the solution holds up — because you know what correct looks like.
Ship with confidence
Submit production-ready work — and know exactly why it's right.
Real world problems
Join a community of engineers who worked at
Logos reflect where community members have worked. Not an endorsement by these companies.
Pricing
Upgrade for the full 90-day roadmap
Free
- ✓Download the Develow IDE
- ✓Run sample problems
- ✓Join the community feed
- ×Full problem library
- ×AI-assisted scoring
Develow Pro
Most popular- ✓The full 90-day product engineering roadmap
- ✓Curated problem sets
- ✓Browse by company
- ✓AI search across the catalog
- ✓Everything in Free
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Start your product engineering journey
Master full-stack development with AI and become a Product Engineer in 90 days.