Builder Passport
@tunde_ships
Tunde Adebayo
Full-stack builder · edtech experiments
3 followers 0 following Ibadan, Nigeria
Building tools for students. Happy to review PRs and talk through architecture trade-offs.
Execution Reputation
Selected activity and evidence on Africoders — not a measure of intelligence, character or full professional value.
Early-stage profiles are expected. A living Passport grows as you learn, practise and share work — starting with zero projects is a beginning, not a failure.
Posts
Interview tip: narrate trade-offs, not just the happy path
Had a system design chat today. The interviewer cared more about what I would cut under time pressure than the perfect architecture. Sharing in case it helps someone preparing: lead with constraints, then the compromise you would ship first.
Added feature tests before touching payments again
After a scary near-miss on a webhook handler, I wrote three feature tests around the happy path and two failure paths. Not full coverage — just the money path. Sleeping better already.
Need a designer for a weekend hackathon project
A local hackathon is happening in two weeks and I have an idea around simplifying transcript requests for university students, but I'm backend and frontend logic only, no design eye whatsoever. Looking for someone who can help with the UI over the weekend, doesn't need to be a professional, just someone who cares about how it looks and flows. Message me if interested and we can talk through the idea first.
Is paying to be seen more different from paying to skip the line
If a platform ever let builders pay a small amount to get more visibility on their profile or a project post, does that undermine trust in the whole feed, or is it fine as long as merit still decides what actually happens once someone looks? I keep going back and forth on this. It feels different from paying for a fake credential, but I can't fully articulate why.
Rebuilding the quiz engine for the third time
The first version hardcoded question types, the second one got flexible but slow, and now I'm trying a third approach based on a simple scoring plugin pattern. It's humbling how many times you can be wrong about the right abstraction before a project tells you what it actually needs. No demo yet, still mid-rewrite.
Added rate limiting after a bot hit the API overnight
Woke up to a spike in server load from a script hammering one endpoint thousands of times overnight, nothing malicious looking, probably just a badly written scraper. Added a basic rate limiter per IP this morning and it already looks calmer. A reminder that public endpoints need this from day one, not after something happens.
Splitting freelance work into milestones saved a project that was going sideways
Halfway through a client project the requirements kept shifting week to week, and if I'd quoted the whole thing upfront I'd have eaten every change for free. Because I'd split it into four paid milestones with sign-off at each stage, the scope creep became a paid conversation instead of a silent resentment. Slower to set up at the start, much less painful by the end.
Aggregated skill trends without selling anyone's personal data, is that actually possible
Been thinking about whether a platform could publish something useful like 'demand for backend skills in this region grew this quarter' from anonymised, aggregated activity, without that ever meaning anyone's individual profile or activity is being sold to a third party. Feels like there's a real difference between insight and surveillance here, but I know the line can get blurry in practice. How would you build that in a way people could actually trust?
Proof of work
Preparing first project
A living Passport grows as work is shared. Starting with no projects is a beginning — not a failure.
Activity
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