Byter: Swipe & Code

Byter helps you build real engineering skill in the AI era.

AI can write code. Strong engineers still need judgment: debugging, architecture, tradeoffs, performance, systems thinking, and clear reasoning. Byter turns idle moments into focused practice with swipeable, bite-sized challenges designed to sharpen the skills that matter on real teams.

Choose a specialty and start solving across high-impact fields like algorithms, backend systems, frontend engineering, mobile, cloud, data platforms, AI/ML, cybersecurity, robotics, game development, fintech, and more.

Practice Beyond LeetCode

Byter is not just another coding question bank. You’ll face multiple challenge formats that mirror real engineering work:

• Implementation: write clean, working solutions
• Code Review: find bugs, security issues, and performance problems
• System Design: build scalable architectures with graph-based answers
• System Improvement: fix broken architectures and improve data flow
• Multiple Choice: test concepts, tradeoffs, and engineering judgment

Built for Fast, Focused Practice

• Swipeable problem feed for quick daily reps
• In-app code editor with language-aware solving
• Graph builder for system design challenges
• Instant AI grading and feedback
• Multiple attempts to improve your score
• Daily Challenges, streaks, and leaderboards
• Cody, your AI mentor, for guided help when you’re stuck
• Skill insights across your specialties and progress over time

Practice in the languages and domains you care about. Build stronger instincts one problem at a time.

Stop scrolling. Start building.

Download Byter and master the engineering skills AI can’t replace.

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