Backend developer resume tips
A backend developer resume should name a service, the caller, and a failure you handled. Language lists do not say whether you owned the API, the job queue, or the data model. Write the part that broke or that you kept from breaking, and the datastore you actually operated.
Cover letter for a backend developer
What to put first
State the kind of service: an API other products call, a job that runs on a schedule, an integration, or an internal tool. The first bullets name what you owned and who depended on it.
The contract you kept
Say what callers could rely on: a shape of response, an auth rule, or a job that finished. "Worked on the API" does not say whether you designed it or patched one route.
Failure and data
A timeout, a duplicate message, or a migration you ran is stronger than a slogan about scale. Name the database or queue only if you wrote to it or changed it.
Boundaries with other roles
If a data engineer owned the warehouse and you owned the service, say that. If you also stood on call, say what you were paged for, without inventing an uptime figure.
An example line
Adapt this only where it is true for you. It is a shape for a bullet, not a claim that a particular person did this work.
Owned the invoice API: separated tax calculation so a pricing change did not require a full deploy, and added a retry when the payment provider timed out.
What to leave off
Leave off databases you have not queried or migrated, languages you cannot write this month, and scale claims with no story. Leave off a service you only consumed.
Questions
- Should I draw the whole system?
- A sentence on your box in the system is enough. A diagram is optional and should not be the only place the title appears.
- What if I was on a team and owned one route?
- Say the route and the caller. Narrow ownership is more credible than a vague claim on the platform.