Hanif Carroll MVPs + Workflow Systems

Social Events Platform

A social events product that needed stronger real-time foundations, cleaner APIs, and day-to-day technical leadership as the team shipped.

What changed

The team ended up with a more reliable product, clearer patterns for new work, and junior developers who could ship with less hand-holding.

Proof type
Client work
Client
Mucho Hangouts (Fractional CTO)
Service
Fractional CTO + Product Delivery
Best fit
Small product teams that need senior technical leadership and stronger foundations without pausing delivery.
Track
MVP Build
Role
Fractional CTO
Timeline
Fractional CTO engagement in 2025
Team
5-person product team, including 2 junior developers

Why it mattered

The platform had grown rapidly with a team of junior developers, accumulating significant technical debt: JavaScript backend with no type safety, React frontend riddled with @ts-nocheck suppressions, fragmented state management, and unreliable real-time features.

Constraints

  • The team needed to modernize the codebase without stopping feature delivery.
  • Real-time messaging and notifications were unreliable in day-to-day use.

Built with

Node.jsTypeScriptReactMongoDBExpress
Social Events Platform hero preview

The platform had grown rapidly with a team of junior developers, accumulating significant technical debt: JavaScript backend with no type safety, React frontend riddled with @ts-nocheck suppressions, fragmented state management, and unreliable real-time features.

New feature development was slowing as developers struggled to understand existing code and avoid regressions. The codebase needed modernization without halting product development.

Led a cleanup of the product foundations while the team kept shipping, focusing on clearer API boundaries, more reliable real-time behavior, and a codebase the junior developers could actually extend.

Reworked messaging and notification flows so authentication changes and app state no longer broke core real-time interactions.

Introduced clearer typed patterns across backend and frontend work, which reduced guesswork and gave the team a safer default way to build new features.

Mentored junior developers through code review, pairing, and day-to-day technical direction so the team could ship with less dependency on ad hoc fixes.

The team ended up with a more reliable product, clearer patterns for new work, and junior developers who could ship with less hand-holding.

Messaging and notifications became dependable enough for day-to-day use instead of a recurring source of user frustration.

The codebase and release flow became less fragile, which reduced regressions and made ongoing delivery easier to trust.

Social Events Platform feature preview

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