OpenTrainPhDMaster's

Solar2D Game Developer (Lua and 2D Games)

You will develop and modify 2D games using Solar2D, also known as Corona SDK, and Lua. Your work will support AI training by showing how software development tasks are completed and explained clearly.

Field: Software & coding
Where: United States, Algeria, Argentina, Austria, Bahrain, Bangladesh +46 more
Commitment: part time
Asks for: PhD, Master's
Posted: 8 days ago

Pay data for your profession: Software engineer AI trainer jobs · PhD AI trainer jobs

How this pay compares

At $100/hr (the midpoint of $70 to $130), this role pays more than 87% of the 220 open software & coding roles with a listed pay range, above the median of $70.

Open software & coding roles that ask for a PhD have a median of $85/hr (13 roles).

Among platforms with 10 or more priced software & coding roles, Mercor has the highest median ($88/hr across 18 roles) and OpenTrain AI the lowest ($65/hr across 107).

OpenTrain AI roles that closed since late October stayed listed a median of 31 days (122 roles). OpenTrain AI posted this one 8 days ago.

Computed from 2,746 open roles we track across Mercor, micro1, Handshake AI, Alignerr, Appen and OpenTrain AI, refreshed daily. Midpoints of listed ranges; “up to” ceilings are left out of medians.

What you would earn at this rate

Where in the listed range$100/hrHours a week15 hrs

Per week, before tax

$1,500

Per month, if the work is steady

$6,500

Show in

Tax: Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $1,643 a month for self-employment tax plus federal income tax at the 12% bracket (25%, before state tax). Outside the US, your own country's rules apply.

Assumes paid hours only; unpaid assessments, onboarding and gaps between projects lower the real figure. Full take-home calculator · Track what you actually earn

Open software & coding roles on each platform

The same kind of work, priced on every platform we track, with the best-paid open role on each.

Platform	Open	Median	Best-paid open role
Mercor	20	$88/hr	Legacy Codebase Migration Expert$200/hr
micro1	25	$75/hr	Strategic Project Lead, Coding/SWE$300k-500k/yr
Alignerr	73	$70/hr	DevOps / IaC Engineer$90-120/hr
OpenTrain AIthis role	123	$65/hr	Software Engineer, AI Code Evaluation$200/hr
Handshake AI	10	up to $90/hr	Senior Software Engineer - AI Data (US)Up to $150/hr

“Up to” rows list only ceilings, so their median is a maximum, not comparable with the range midpoints above them.

All 251 open software & coding roles →

The full listing

As posted on OpenTrain AI. See the original

The work

You will build game features, fix issues, improve performance, and describe your workflow step by step. You will also write instructions and detailed prompts for game development tasks.

Create and modify 2D games with Solar2D or Corona SDK.
Implement game mechanics, animations, user interfaces, player controls, physics, and collision detection.
Debug problems and optimize game performance.
Complete advanced Solar2D development tasks.
Explain technical workflows clearly and write detailed game development prompts.

What it pays and takes

This is a part-time contractor role.

Pay: $70 to $130 per hour.
Work type: Part-time contractor.
Location: Open to candidates in the countries specified for this role, including the United States, Canada, the United Kingdom, India, Japan, and many other listed countries.
Language: Professional English fluency at B2 level or higher.
Strong hands-on experience with Solar2D or Corona SDK.
Good knowledge of Lua programming and 2D game development.
Practical experience with game mechanics, animation, debugging, and performance optimization.
Access to Solar2D and the ability to record your screen while working.

Helpful background

A portfolio of Solar2D or other 2D game development projects can help. Experience building mobile games for Android or iOS, human data work such as annotation or AI model evaluation, and a relevant master's degree or PhD are also helpful.

Portfolio of Solar2D or other 2D game projects.
Android or iOS mobile game development experience.
Experience with annotation, RLHF, or AI model evaluation.
Relevant master's degree or PhD.

How it works

You apply here in about two minutes and finish on the hiring platform. The next step is a short AI interview (technical roles include a coding challenge). Passing it is how you qualify for paid tasks, so take it soon after you are invited.

The hiring platform's application for this job asks for your resume, your LinkedIn profile, your phone number, your location and answers to 5 screening questions.

About AI training work

AI training is the human work behind software that learns from examples, including writing, reviewing, and evaluating technical content. People with software development experience help make these examples accurate and useful for improving AI systems.

From applying to your first payment on OpenTrain AI

1
Create a profile
Create a free OpenTrain profile with your domains, languages and hourly rate.
2
Apply
Apply to the listing. Some listings hire through OpenTrain; others send you to the hiring platform.
3
Funded milestones
The client funds each milestone before work starts.
4
First payment
OpenTrain pays out to your connected payout method when the client approves the milestone. It doesn't publish a fixed payout schedule.

Sources: OpenTrain: AI training careers, OpenTrain docs: invoicing and payouts

Full OpenTrain AI profile: watch-outs and the public record →

Pay history

OpenTrain AI has listed this role at $70-130/hr since Nov 3, 2026 with no change.

Across OpenTrain AI's software & coding roles, the median listed pay was $65/hr on Nov 1, 2026 (72 roles) and is $65/hr as of Nov 11, 2026 (107 roles).

What workers report about OpenTrain AI

Anonymous reports from people who applied or worked there: whether they got work, what they were paid and how fast.

Other software & coding roles

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