A useful achievement bullet explains what changed because of your work. Numbers can help when you can verify them, but a specific observable outcome is better than a made-up percentage.
Collect four pieces of evidence
Write down the problem, your action, the scale and the result in plain language. Scale might be users, locations, transactions, team size, time period or system complexity.
- Problem: what needed to improve or be delivered?
- Action: what did you personally do?
- Scale: how large, frequent or complex was the work?
- Result: what became faster, safer, clearer or more reliable?
Keep ownership accurate
Use led when you directed the work, built when you made the deliverable and contributed when responsibility was shared. Accurate ownership is easier to defend in an interview and gives collaborators proper credit.
Use a result you can support
A result can be an approved launch, fewer manual steps, faster reporting, a resolved audit finding or adoption by a named team. If the exact number is unavailable, describe the confirmed change and keep a note of the evidence you would use in an interview.