7 Essential Habits Every Programmer Should Master

Software engineers spend a lot of time solving LeetCode problems and polishing resumes to get interviews, but the skills that land a job at Google or Amazon often differ from those needed daily.

Inspired by TechLead’s “seven habits of highly effective programmers,” we present our own take on these essential skills.

1. Learn to Read Other People’s Code

Being able to work on code written by others is a valuable skill. Even if the original code is messy, you must extend and maintain it—often the “previous engineer” is you from a year ago.

This skill helps you recognize bad design, understand what makes code easy to extend, and spot problems, showcasing your engineering excellence.

Good code should be self‑explanatory, reducing the need for documentation; the focus should be on coding and meetings.

Reading messy code also makes updates easier, as demonstrated when we migrated a script from PowerShell to Python to Perl despite limited Perl experience.

Overall, comprehending existing code makes you valuable and able to take over over‑engineered systems.

2. Sense When a Project Is Bad

Knowing which projects are unworthy or doomed is crucial. Large companies run many projects, some never finish or lack commercial value, or suffer from poor management.

Instead of immediately rejecting a project, assess how stakeholders describe its outcomes; unclear goals often signal a bad project.

Some projects focus on technology over solutions, making impact unlikely. Developing intuition to identify such projects comes with experience.

3. Avoid Unnecessary Meetings

Meetings are essential for alignment but can dominate schedules. Learn to manage time by attending only meetings that drive decisions and help the team progress.

One approach is to reserve two hours daily for focused work, avoiding interruptions.

Arriving early to a quiet office can also reduce meeting distractions, allowing uninterrupted coding.

4. Use Git Effectively

Whether you start with Git in school or encounter it later, mastering commits, pushes, and merges prevents hours of confusion and merge conflicts.

Proper use of a version‑control system streamlines collaboration and reduces obstacles.

5. Write Simple, Maintainable Code

Junior engineers often over‑apply OOP, data structures, design patterns, and new technologies, creating unnecessary complexity.

Balance sophisticated design with simple code; excessive abstraction makes debugging and maintenance harder.

6. Learn to Say No and Prioritize

Distinguishing priorities and refusing low‑impact tasks is vital across roles, especially for engineers who may be asked to handle data extraction, dashboards, or new analyses.

Prioritization ensures focus on high‑impact work, while saying no prevents overload and aligns responsibilities with expertise.

7. Think in Scenarios

Consider how end users might misuse your software and anticipate edge cases before development.

Scenario‑based thinking helps design robust modules and micro‑services, reducing future bugs and maintenance headaches.

Original article translated from: https://dev.to/seattledataguy/7-habits-of-highly-effective-programmers-inspired-by-an-ex-google-techlead-humor-4b4k