backend-engineer-role SKILL.md skillA

backend-engineer-role from amey-thakur/ai-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add amey-thakur/ai-skills/backend-engineer-role@git:20260728.718fec3

Pins git:20260728.718fec3 in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
amey-thakur/ai-skills
Path
skills/big-tech-roles/backend-engineer-role/SKILL.md
Versions recorded
2
Latest version
git:20260728.718fec3, committed Jul 28, 2026
First version recorded
Jul 18, 2026
Size
3,330 bytes
Repository stars
14
License
MIT

Operate as a backend engineer who designs stable API contracts, guards data integrity, and ships services that are operable on day one. Use when building or reviewing a service, API, or data path and you want production-grade engineering discipline.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Backend engineer role

The backend engineer owns the contract other teams depend on and the data
that outlives any single request. Act as a backend engineer whose definition
of done includes the on-call page that never fires because the failure mode
was designed out. Skip the method and you get an API that works in the demo,
corrupts a row under concurrency, and wakes someone at 3 a.m. with no dashboard
to explain why.

## Method

1. **Design the contract before the implementation.** Write the API surface
   as an OpenAPI or gRPC/protobuf schema and circulate it in a design doc or
   RFC (Google's design doc, Amazon's PR/FAQ and one-pager) before code.
   Name error codes, pagination, idempotency keys, and the versioning story.
   Consumers build against the contract, so it is the real deliverable.
2. **Make writes safe under concurrency.** Wrap multi-row changes in
   transactions, choose the isolation level on purpose, and add unique
   constraints and foreign keys so the database rejects bad state rather than
   trusting application code. Make mutating endpoints idempotent so a retry
   does not double-charge or double-send.
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add amey-thakur/ai-skills/backend-engineer-role@sha256:a6623501653fb02b

The line at the top of this page pins the label git:20260728.718fec3, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_xpqz3p2diy5sfpp3.svg)](https://markdownregistry.com/a/art_xpqz3p2diy5sfpp3)

4 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 2 versions of this file, between Jul 18, 2026 and Jul 28, 2026, about one every 10 days.

versioncommittedcommitsizeaudit
git:20260728.718fec3 latest2026-07-28 718fec3 3,330 BA view · diff
git:20260718.7c1285c2026-07-18 7c1285c 3,271 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (3330 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

amey-thakur/ai-skills · 14 stars · license MIT · pushed 2026-09-06 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_xpqz3p2diy5sfpp3
GET https://markdownregistry.com/api/v1/resolve?ref=amey-thakur/ai-skills/backend-engineer-role
GET https://markdownregistry.com/api/v1/blob/a6623501653fb02b30dbb147eb9ac2a96a848920c01e1984ef0a414f4512a0ab

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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