A background job is a task that runs outside the main request-response cycle of your application. Instead of making users wait while your server processes something slow — sending an email, generating a report, syncing data — you hand the work off to a background process and respond immediately.
Web applications need to respond fast. Users expect page loads under a second, and APIs need to return within timeout windows. But plenty of real work takes longer than that: calling third-party APIs, processing images, running database cleanups, or sending transactional emails.
Background jobs solve this by decoupling the work from the request. Your app queues the job, returns a response to the user, and a separate worker picks up the job and executes it. The user never waits. The work still gets done.
A foreground request runs inline — the user clicks a button, your server does the work, and only then returns a response. A background job runs asynchronously — the server acknowledges the request immediately and does the work later, in a separate process.
The rule of thumb: if the user doesn't need to see the result right now, it's a background job.
The typical setup has three components:
The producer pushes a job onto the queue. The worker pulls it off, runs the task, and marks it as complete (or failed). If the job fails, it can be retried with exponential backoff until it succeeds or exhausts its retry limit.
Most background work falls into one of three categories:
This maps directly to how Recuro works: you can fire a job now, schedule it for later, or set it on a cron — all through the same API.
A background job is any task your application runs outside the normal request-response cycle. It executes asynchronously in a separate process, so your app stays fast while the work happens behind the scenes.
A cron job is a type of background job — specifically, a recurring one that runs on a schedule defined by a cron expression. Background jobs can also be instant (run immediately) or delayed (run at a specific future time).
Use an HTTP job scheduling service like Recuro. You define the URL to hit, the schedule or delay, and the retry logic. Recuro handles execution, retries, and alerts — no worker infrastructure to manage.
Background jobs must be idempotent to handle retries safely. They're processed through a job queue, and failed jobs retry with exponential backoff before landing in a dead letter queue.
Recuro handles cron scheduling, retries, alerts, and execution logs -- so you can focus on building your product.
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