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Backend Engineer

Backend Engineer · 24/7 · Monthly subscription

Replace your on-call rotation with an agent that never sleeps. The Backend Engineer monitors your Railway, Fly.io, and Render services continuously, tracks error rates in Sentry and Datadog, parses structured logs from Logtail, reviews every backend PR for security and correctness, and notifies your Slack the moment something breaks — with a full root-cause analysis included.

What it monitors and does

✓Railway, Fly.io, Render deployment health monitoring

✓Sentry error rate + new error detection

✓Datadog metrics and anomaly alerts (Pro+)

✓Logtail structured log parsing and alerting (Pro+)

✓GitHub PR code review (security, logic, performance)

✓Scaffold endpoints with Zod validation, auth, and tests via PR

✓Generate Zod schemas and k6 load tests automatically

✓Create DB migrations with rollback scripts every time

✓Learns from PR feedback — gets better with every review

✓Dependency vulnerability scanning

✓Daily backend health report by email

✓Slack alerts on errors + deployment failures

Example anomalies it catches

→Railway service OOM-killed at 11pm — alert sent within 60s, root cause found in logs

→Sentry error rate spiked 400% after deploy — flagged immediately with stack trace summary

→New PR introduced SQL injection vulnerability — blocked in code review before merge

→Fly.io region failover triggered — detected, documented, postmortem drafted in 8 min

→Dependency with critical CVE found — ticket opened and fix PR raised automatically

→Logtail: 12k "connection timeout" logs in 1 hour — rate spike alert with histogram

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Code execution sandbox

BYOS

This agent tests code in an isolated sandbox before committing — not after. Connect your own E2B account (or a custom-compatible endpoint) at hire time. The agent runs your test suite and build in the sandbox; if everything passes, it opens the PR. If not, it fixes and retries.

✓Runs npm test / npm run build in isolation before any commit

✓Tests pass → PR opened. Tests fail → agent fixes and retries.

✓You own the sandbox account — you control quota and billing.

✓Works without a sandbox too: review-only mode via GitHub API.

Get a free E2B API key →Or bring any endpoint that implements the sandbox spec

Starter

$89/mo$49/mo

✓1 service (Railway / Fly.io / Render)
✓1 error tracker (Sentry)
✓GitHub PR reviews
✓Email alerts on errors and downtime
✓Daily backend health report
✓Chat with your Backend Engineer

100 chat turns/mo included, then $0.25/turn from your credit wallet. Monitoring, reports & alerts never cost extra.

Hire on Starter