AlignerrCoding & software eval
Coding Expert - Java
up to $120/hr
What you'll do
- Review and evaluate AI-generated Java code for correctness, efficiency, and clarity.
- Write high-quality Java solutions to coding problems across varying difficulty levels.
- Create clear, human-readable explanations for code logic and problem-solving strategies.
Candidate background
You’re a great fit if
- Fluent in English, with strong written communication skills and the ability to clearly explain abstract coding concepts.
- Expertise in Java: Deep familiarity with core Java concepts such as OOP, multithreading, exception handling, and standard libraries.
- 3-5 years of experience with Java frameworks, tools, or domains (e.g., Spring, Android, backend development) is a plus.
- Bachelor’s degree (or pursuing one) in Computer Science or a related field. Master’s or PhD preferred, but not required.
- Bonus: Experience with data labeling, RLHF, or other AI training projects
Quoted from selected sections of Alignerr's posting. The full posting may state other conditions. Read the full posting
A closer look
More context, when you need it.
Full job descriptionThe original posting, in Alignerr's words
Posted by Alignerr, reproduced here so you can judge the role before clicking. Original posting ↗
Coding Expert - Java (Contract)
Labelbox • Remote (United States preferred) Shape the data that powers frontier AI
Quick facts - Engagement | Hourly, at‑will contractor - Schedule | Fully remote & asynchronous (min. 15 hrs/week) - Pay Range (US) | $25 – $100 per hour - Start Date | Rolling — staffed as projects launch
What you’ll do - Review and evaluate AI-generated Java code for correctness, efficiency, and clarity. - Write high-quality Java solutions to coding problems across varying difficulty levels. - Create clear, human-readable explanations for code logic and problem-solving strategies.
You’re a great fit if - Fluent in English, with strong written communication skills and the ability to clearly explain abstract coding concepts. - Expertise in Java: Deep familiarity with core Java concepts such as OOP, multithreading, exception handling, and standard libraries. - 3-5 years of experience with Java frameworks, tools, or domains (e.g., Spring, Android, backend development) is a plus. - Bachelor’s degree (or pursuing one) in Computer Science or a related field. Master’s or PhD preferred, but not required. - Bonus: Experience with data labeling, RLHF, or other AI training projects
About the role - Flexible workload — work from anywhere, on your own schedule - High impact — your craft directly improves models used by top AI labs & Fortune 500 teams - Clear ownership — know exactly what success looks like and have autonomy to deliver - Growth potential — consistent high performers spearhead new programs and mentor incoming SMEs
Interview process - Complete a screening with Zara, our AI interviewer in English, to learn more about your background and experience. - Domain-specific Zara interview to assess your Java expertise, including performance optimization (garbage collection, JIT compilation), software design and architecture, and advanced features such as generics, streams, functional programming, concurrency, and the module system.
About Labelbox Labelbox builds the data engine that accelerates breakthrough AI. Our platform, expert services, and marketplace let teams iterate on data as nimbly as they iterate on code, enabling safer, smarter models in production. We’re backed by SoftBank, Andreessen Horowitz, B Capital, Gradient Ventures, Databricks Ventures, and Kleiner Perkins, and trusted by leading research labs and enterprises worldwide.
Ready to Apply? Click “Apply” above, and take one or more domain specific assessments.
We review candidates on a rolling basis and will contact you if your background matches an active project.
Working with AlignerrPay, getting started and work, from Alignerr's own pages
What the platform publishes in general. These are not extra terms confirmed for this particular role.
- Getting paid
- Billed weekly, Monday to Sunday, with approved work paid by the following Friday, according to Labelbox's help center. Payment goes through Stripe Connect or PayPal depending on your location, with one provider per country. intercom.help/labelbox/en/articles/13600616-alignerr-paym..., alignerr.com/process
- Before your first paid task
- Sign up, apply, verify your identity, set up billing and onboard. Some jobs add a Zara AI interview or domain assessments. alignerr.com/process
- How much work
- Time to your first project depends on demand and your skills, and there is no minimum number of hours. alignerr.com/faqs
- Contract
- Independent contractor, under terms with ALIGNERR LLC. alignerr.com/faqs, alignerr.com/privacy
Read on the pages linked above on 24 Sep 2026. Platforms change these terms, so check the linked page before you rely on one.
How does the pay compare?Across Coding & software eval roles, not this role alone
From our own daily reads of every open listing on the platforms we follow, not from Alignerr's posting. How we count.
Pay across the field: Coding & software eval
Across 393 roles in this field with a stated hourly rate in US dollars, on 14 platforms, the middle half pays $65 to $120 an hour at the top of the range, and the median is $95. This role's top rate, $120, is in the top quarter. Of the 141 distinct rates we count, 97 are lower and 31 are higher.
| Platform | Roles | Top of range, per hour |
|---|---|---|
| Alignerr (this platform) | 136 | $50 to $400 · median $100 |
| micro1 | 46 | $35 to $350 · median $110 |
| Handshake AI | 43 | $47 to $125 · median $80 |
| Meridial (Invisible) | 34 | $22 to $150 · median $60 |
| Mercor | 33 | $60 to $200 · median $105 |
Sources and listing historyWhere this information comes from
This listing's history
- First seen here on 27 Aug 2026, and still on Alignerr's list when we last read it on 13 Oct 2026.
- The listed pay has not changed since then.
- Posted by Alignerr
- First seen by AIPayList
- Last seen live
- Listing ID
- 1d438c53-e6e9-46c3-bf54-c9c0a8687038
Pay as the source states it: “$20-120/hr”.
Platforms sometimes change a rate after posting. Every listing here is re-read at least once a day and corrected when its source moves, so a difference you see on the platform is usually a change made since the last read. How freshness works.
Keep exploring
More like this
Related field, different requirements. Check each role's own page before you apply.