<div class="datj"><header class="topbar"><div class="topbar-in"><a class="back" href="/"><span class="back-arrow">←</span>All roles</a><nav class="topbar-actions"><a class="link-quiet" href="https://app.dataannotation.tech/users/sign_in">Sign in</a><a class="btn btn-primary" href="https://app.dataannotation.tech/worker_signup?worker_src=ai_jobs&utm_source=webflow_jobby&utm_medium=web&utm_campaign=ai_training_jobs&utm_content=role_topbar_backend-engineer&utm_role=backend-engineer&projects=PROG_SA">Apply now</a></nav></div></header><main class="wrap"><div class="rd-layout"><article><div class="rd-title"><h1>Backend Engineer</h1></div><section class="rd-section"><h2>Overview</h2><p>Models write backend code that passes the happy-path test and falls over on everything else: the race condition under load, the N+1 that melts the database, the API contract that breaks every client the day you change it. Someone has to reason about the system, not just the snippet, and that someone is you.</p><p>As a Backend Engineer you'll stress-test how models design services, data models, and APIs, expose where their reasoning breaks under real load, and write the answers a strong backend engineer would stand behind.</p></section><section class="rd-section"><h2>What you’ll actually do</h2><ul><li><b>Probe backend reasoning</b> across service design, data modeling, and API contracts, and see where the model's design falls apart.</li><li><b>Find the failures that matter</b>: race conditions, N+1 queries, bad indexes, and breaking changes hiding in a clean-looking diff.</li><li><b>Write the correct design</b> when the model falls short, with the scaling and consistency trade-offs made explicit.</li></ul></section><section class="rd-section"><h2>Roles this fits</h2><p>Common backgrounds: Backend Engineer, API Engineer, Platform Engineer.</p></section><section class="rd-section"><h2>What we look for</h2><ul><li>Professional or serious open-source experience building backend services.</li><li>Comfort with databases, APIs, and concurrency; most tasks assume a language like Python, Go, Java, or Rust.</li><li>Clear written English: your explanations are the training signal.</li><li>No degree required. We care about what you can do, not where you learned it.</li></ul></section><section class="rd-section"><h2>How it works</h2><div class="rd-steps"><div class="rd-step"><span class="rd-step-n"></span><h3>Apply</h3></div><div class="rd-step"><span class="rd-step-n"></span><h3>Qualify</h3></div><div class="rd-step"><span class="rd-step-n"></span><h3>Work & get paid</h3></div></div></section><section class="rd-section"><h2>Compensation</h2><p>$75 – $150+/hr depending on task difficulty and specialization. Many contributors add $10k–$100k+ a year; some make it their full-time income.</p></section><section class="rd-section"><h2>About DataAnnotation</h2><p>DataAnnotation is where 100k+ experts train the world’s leading AI models. $150M+ paid to contributors to date, and the average contributor stays 5+ years. Flexible, remote, and always project-available.</p></section></article><aside class="rail"><span class="rail-label">Hourly rate</span><span class="rate rail-rate">$75 – $150+ <small>/ hour</small></span><div class="rail-meta"><div class="rail-row"><span>Location</span><span>Remote</span></div><div class="rail-row"><span>Commitment</span><span>Flexible hours</span></div><div class="rail-row"><span>Type</span><span>Independent contractor</span></div><div class="rail-row"><span>Payouts</span><span>Weekly</span></div></div><a class="btn btn-primary btn-lg rail-btn" href="https://app.dataannotation.tech/worker_signup?worker_src=ai_jobs&utm_source=webflow_jobby&utm_medium=web&utm_campaign=ai_training_jobs&utm_content=role_rail_backend-engineer&utm_role=backend-engineer&projects=PROG_SA">Apply now</a></aside></div><section class="similar"><div class="proof-head"><h2>Similar roles</h2><a class="see-all" href="/">View all roles →</a></div><div class="grid"><a class="card" href="/job-board/software-engineer"><h2>Software Engineer</h2><div class="card-foot"><span class="rate">$75 – $150+ <small>/ hr</small></span><span class="hired">312 hired recently</span></div></a><a class="card" href="/job-board/full-stack-engineer"><h2>Full Stack Engineer</h2><div class="card-foot"><span class="rate">$75 – $150+ <small>/ hr</small></span><span class="hired">148 hired recently</span></div></a></div></section></main><footer class="footer"><div class="footer-in"><p>© DataAnnotation</p><div class="footer-links"><a href="https://www.dataannotation.tech/">dataannotation.tech</a><a href="https://www.dataannotation.tech/faqs">FAQs</a><a href="https://www.dataannotation.tech/trust-safety">Trust & Safety</a></div></div></footer></div>