EdTech · Developer Education

365 Days of Coding Platform

10,000 problems solved. Daily consistency, built into the product.

365daysofcoding.com is a structured coding challenge platform built around daily practice and accountability. We built the platform from the ground up: problem sets, streak tracking, progress dashboards, and the integrations with partner institutions that turned it into a credible EdTech offering.

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10k+
Problems solved: 100+
Active users: 3+
EdTech collaborations

The starting point

Most people who want to learn to code stop within weeks: not because they lack ability, but because they lose structure. The founders of 365 Days of Coding had seen this pattern with their own students and wanted to build a platform where daily consistency was a product feature, not just an aspiration. The technical challenge was making the streak and progress mechanics robust enough that students trusted them: missed-day edge cases, timezone handling, and catch-up flows all had to work correctly or the core promise of the product broke down.

What we built

We built the problem system with a clear separation between content (the problem set, which could be authored and reviewed by domain experts) and progression (the streak, completion, and scoring logic, which was entirely deterministic). Streak logic was designed explicitly around edge cases: server-side timezone resolution, grace periods, and a transparent catch-up policy that students could see. The partner integration layer used a cohort model: institutions could assign their students to a specific track, see aggregate progress, and receive weekly digests.

What changed

The platform has recorded over 10,000 problems solved across its active user base, with 3+ EdTech institution partnerships live. Students who reach a 30-day streak have a measurably higher completion rate for the full year: the data validated the founding hypothesis. Institutional partners have integrated the platform into their curriculum as a supplementary practice tool.

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