How R&D Engineers Can Grow: Self‑Management, Collaborative Learning, and Applying Knowledge

Chen Lei, head of the technical team at Xueersi Online School, opens with a reflection on the common anxieties faced by young R&D engineers—lack of time, fragmented tasks, and limited mentorship—and argues that moderate anxiety can be a powerful driver for personal and technical growth.

He proposes a four‑step method: Self‑Management , Collaborative Learning , Learning‑by‑Doing , and Summarizing & Reflecting . Self‑management involves cultivating discipline (the "self‑discipline gives freedom" mindset), tracking reading goals in an Excel sheet, and maintaining physical health through regular exercise and diet.

Collaborative learning is illustrated by the "early‑reading" sessions the team has run since 2019, where backend engineers study source code of PHP, Redis, Nginx, Twemproxy, Swoole, and product architectures together, while frontend engineers hold weekly knowledge‑sharing slots to keep up with rapid front‑end changes.

Learning‑by‑Doing emphasizes applying theory directly to production problems—such as diagnosing FPM process restarts, handling 502/504 errors, or migrating Redis from single‑instance to cluster mode—so that knowledge is reinforced through real‑world impact.

The final step stresses the habit of regular summarization and reflection, encouraging engineers to write articles, share experiences in the company’s technical community, and adopt the "deliberate practice 10,000‑hour" mindset to continuously improve.

Overall, the piece calls R&D professionals to set clear personal goals, stay disciplined, learn together, apply knowledge in practice, and habitually reflect, thereby turning anxiety into sustained career growth.