Principal Rust Engineer - ML Infrastructure
Alignerr · Remote · Data annotation / labeling
Principal Rust Engineer - ML Infrastructure 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
- 5+ years of production Rust in data-heavy applications
- Languages
- Native or fluent English
- Work type
- Data annotation / labeling
- Listed
- Since Oct 4, last confirmed Oct 22
The work
Build and tune high-throughput Rust software for AI training data flows and for evaluating models.
What you would do
- Build full-stack tools and backend services for annotation, validation and quality checks on large datasets
- Make existing Rust code more reliable, faster and safer with memory
- Find bottlenecks and edge cases in data and system behavior, then ship scalable fixes
You're a fit if you
- have five or more years of production Rust experience with data-heavy workloads
- have deep skill in managing memory and in zero-copy deserialization
- have connected Rust to ML frameworks or columnar data formats
- can work 20–40 hours weekly with little supervision
Summarised by HumanSourcer from Alignerr’s listing. Check the listing before you apply.
How the pay compares
Higher than 75% of the 90 distinct hourly rates advertised for Data annotation / labeling 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
“Principal Rust Engineer — ML Infrastructure (AI Training) About the Role What if your mastery of Rust could directly shape the infrastructure powering next-generation AI models?”
About Alignerr: part of Labelbox. See the full profile →
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Frequently asked questions
How do I apply for the Principal Rust Engineer - ML Infrastructure 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 Principal Rust Engineer - ML Infrastructure role at Alignerr remote?
Yes - Alignerr lists this role as remote.
What does the Principal Rust Engineer - ML Infrastructure 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 Principal Rust Engineer - ML Infrastructure?
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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