Developers & Builders
How Developers Use AI Notes for Side Projects, Learning, and Career Growth
Day job notes, side project ideas, learning resources, and career reflections in one place. Ask Chat to connect your conference notes to your side project architecture.
Your brain doesn't stop being a developer when you close your work laptop. The same mind that debugs production issues at 2 PM is designing a side project architecture at 10 PM, watching a conference talk on the train, reading about a new framework over lunch, and occasionally wondering whether you should push for a promotion or start freelancing. These threads run in parallel, all the time.
Most developers manage this with a patchwork of tools. Work notes in one place. Side project ideas in another. Learning bookmarks scattered across browser tabs and read-later apps. Career reflections in a journal, a Google Doc, or nowhere at all. The result is that the connections between these threads — and there are always connections — are invisible. You learn something in a conference talk that would solve a problem in your side project, but you don't make the link because the knowledge lives in different systems.
What if all of it lived in one place, and you could ask an AI to find the connections for you?
One System for Everything You Think About
The core idea is simple: capture all your developer thinking — work, side projects, learning, career — in a single AI-native notes system. Not organized into separate workspaces or folders. Just a continuous stream of captured thought, queryable by a single AI that can see across all of it.
Here's what that looks like in practice for developers who've adopted this approach:
Work notes go in throughout the day. Meeting summaries, technical decisions, debugging insights, architecture discussions. The same capture patterns you'd use for any meeting-heavy workflow — quick bullet points during meetings, voice summaries after.
Side project notes go in whenever inspiration hits. A database schema sketch at midnight. A feature idea during a commute. A list of APIs to investigate. Architecture decisions (the same kind you'd capture at work — see our guide on ADRs in AI notes) for your personal projects.
Learning notes go in as you consume. Key takeaways from a conference talk. A snippet of code from a tutorial. A reaction to a blog post. Notes from a book chapter. Not full transcriptions — just the parts that made you think.
Career notes go in when you're reflective. What you accomplished this quarter. Skills you want to develop. Conversations with mentors or managers that shifted your perspective. Thoughts about where you want to be in a year.
None of this needs to be organized. It all lives in the same flat space, and Mem Chat can search across all of it by meaning. The power isn't in any single note — it's in the connections that emerge when all your thinking is in one queryable system.
The Connections You'd Never Make
Here's where AI-native notes do something no traditional tool can. When all your developer thinking is in one system, Chat can surface connections across domains that you'd never find manually.
Some queries that developers have found surprisingly useful:
"What have I learned in the last month that's relevant to my side project?" — This pulls from conference notes, work learnings, and articles you've read, filtered through the specific context of your side project. A technique you learned at work for handling rate limiting might be exactly what your side project API needs.
"What skills have I been developing at work that I should highlight in my portfolio?" — AI synthesizes across months of work notes to identify recurring themes you hadn't thought to claim.
"Based on my notes about [technology], what are the trade-offs I've identified?" — Chat assembles your scattered observations into a coherent assessment.
"What patterns am I seeing across my work projects and side projects?" — The same problem often appears in different contexts. Seeing the pattern across domains helps you solve both.
These cross-domain queries are impossible when your notes are siloed. They're effortless when everything is in one place. For how this retrieval works under the hood, check out the Chat guide.
The Side Project Knowledge Base
Side projects have a particular challenge: they move in bursts. You work intensely on a project for two weeks, then life gets busy and you don't touch it for a month. When you come back, you've forgotten where you left off, what decisions you made, and why.
Developers who capture their side project thinking in Mem describe a specific moment when the system proves its worth. They come back to a dormant project, open Chat, and ask: "Where did I leave off on [project name]?" or "What were the open questions about the database design?" The answer pulls from scattered notes — architecture decisions, feature ideas, debugging sessions, to-do lists — and gives them a comprehensive status update on their own project.
This is especially valuable for developers who run multiple projects simultaneously. When you're juggling a day job, a side project, and maybe a freelance gig, the cost of context-switching is enormous. Having a single system that can remind you where each thread stands reduces the ramp-up time from hours to minutes.
Here's what a typical side project workflow looks like:
Capture the idea. A note that's two sentences long: "App that does X using Y API. Core insight: Z." That's the seed.
Capture the architecture. As you make decisions about technology, data models, or API design, write them down. Even one-line notes: "Going with Supabase instead of Firebase because of the Postgres foundation."
Capture the learnings. When you figure something out — a tricky deployment, a performance optimization, a library that works well — note it. Future you will be grateful.
Capture the blockers. "Stuck on OAuth flow. Need to figure out token refresh." When you come back in a month, you'll know exactly what to tackle first.
Query when you return. "Summarize the current state of [project]." The AI assembles your scattered notes into a coherent status report.
Learning That Compounds
Most developer learning evaporates. You watch a conference talk, nod along, and forget 90% within a week. You read a blog post, think "that's interesting," and never apply the insight.
The problem isn't the learning. It's that the learning has no home — it sits in your head, never connected to the contexts where it would be useful.
When you capture learning notes in the same system as your work and side project notes, the learning stops being abstract and starts being connected. A note about a database indexing strategy from a conference talk shows up via Heads Up when you're working on a query performance issue. A note about a design pattern from a book surfaces when Chat answers a question about your side project architecture.
This turns passive consumption into an active knowledge base. You're not just "learning" — you're building a searchable library of technical knowledge that gets more useful the more you add to it.
What to capture from learning:
Three key takeaways from any talk, article, or chapter (not a full summary — just what made you think)
Code patterns or techniques you want to remember, with a sentence about when to use them
Your reaction or questions ("This contradicts what I thought about X — need to investigate")
Links between what you learned and what you're currently working on
The Career Growth Thread
Here's a use case most developers don't think about until review season: tracking your own growth and accomplishments over time.
When your annual review comes around, can you remember what you shipped in March? The technical challenge you overcame in June? The mentoring you did in September? Most people can't, and they end up writing a hastily assembled self-review that undersells six months of work.
Developers who capture work notes consistently already have the raw material for this. A quick Chat query — "What were my biggest accomplishments in the last six months?" or "What technical challenges did I solve this quarter?" — synthesizes across months of captured notes into a comprehensive answer. It's not just what you remember. It's what actually happened, drawn from the record you built by capturing as you worked.
Some people take this further with quarterly career reflection notes — ten minutes capturing what they've learned, what they want to learn, and what they're proud of. Over time, these reveal patterns that are invisible in the moment but clear in aggregate.
Get Started
Start capturing your side project ideas and decisions alongside your work notes — same app, no separation
After your next conference talk or technical article, capture three key takeaways as a quick note
Ask Chat: "What have I been working on and learning about in the last month?" — see what it synthesizes
Before your next review cycle, ask: "What were my biggest accomplishments this quarter?"
Your best thinking doesn't fit neatly into "work" and "personal." Stop splitting it across tools that can't see the whole picture.
