Backend Developer - Data Annotation Systems
Alignerr · Remote · Data annotation / labeling
Backend Developer - Data Annotation Systems is an open role at Alignerr, available remotely, with pay listed as $50–$75/hr.
Applications open on Alignerr’s own site. How we make money.
At a glance
- Pay
- $50–$75/hrStated by Alignerr
- Location
- Remote
- Time commitment
- 20-40 hours a week
- Experience
- 3-5+ years of professional production Python
- Languages
- Native or fluent English
- Work type
- Data annotation / labeling
- Field
- Coding
- Listed
- Since Oct 4, last confirmed Oct 23
The work
Build and tune Python systems behind AI data pipelines and model evaluation.
What you would do
- Design and optimize fast Python systems for AI data pipelines and evaluation
- Develop backend tools and services for large-scale annotation and quality control
- Create and maintain asynchronous queues for lengthy background jobs
You're a fit if you
- are an experienced full-stack developer with solid systems programming skills
- have 3-5+ years of professional Python experience
- have built async job queues that run background processing at scale
- speak English natively or fluently
Summarised by HumanSourcer from Alignerr’s listing. Check the listing before you apply.
How the pay compares
Higher than 46% of the 79 distinct hourly rates advertised for Coding roles right now. Hourly USD, top of each advertised range, one count per distinct rate. Same method as the Pay Index.
From Alignerr’s listing
“Backend Developer — Data Annotation Systems (AI Infrastructure) About the Role What if your Python expertise could directly shape the infrastructure behind the world's most advanced AI systems?”
About Alignerr: part of Labelbox. See the full profile →
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Frequently asked questions
How do I apply for the Backend Developer - Data Annotation Systems role at Alignerr?
Applications go through Alignerr's own portal - HumanSourcer links to the listing and never collects applications or handles hiring. Alignerr's access model is "Open / self-serve" (Open roles / applications). This listing was first seen here on October 4, 2026 and was still live at the last check.
Is the Backend Developer - Data Annotation Systems role at Alignerr remote?
Yes - Alignerr lists this role as remote.
What does the Backend Developer - Data Annotation Systems role at Alignerr pay?
Alignerr lists this role's pay as $50–$75/hr, quoted from the listing rather than estimated.
What kind of work is Backend Developer - Data Annotation Systems?
Data annotation / labeling. AI training, evaluation, coding, writing and specialist review
Is Alignerr a legitimate AI-training platform?
Labelbox expert network - and that relationship is rated "Confirmed" here because it can be checked against labelbox.com rather than taken on Alignerr's word. Confidence describes how well the ownership is evidenced. It is not a rating of how the platform treats the people who work for it, which no public source covers reliably.
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