One Sentence From My Senior Engineer Changed How I Think About Software

A junior developer reflects on how a brief observation from a senior engineer — 'your notes are scattered' — reshaped her entire approach to software development. The post argues that being a good developer goes beyond writing code: it requires structured documentation, traceability, and building systems of knowledge that teammates and future-you can understand. The author shares how reorganizing notes by development tasks, system flows, and backend/frontend behaviors improved her ability to revisit and maintain work. The piece also touches on the value of mentorship for underrepresented developers entering tech without traditional guidance.