Swift iOS Developer for AI Code Review

About OpenTrainOpenTrain AI is the hiring and contracting organization for this role.

OpenTrain is the #1 platform for finding and building careers in AI training and data labeling, helping contributors discover meaningful projects, build their profiles, and apply to opportunities in minutes.

Free account creationRemote opportunities across the growing AI training industryFlexible project work for contractors and part-time contributorsAbout AI Training and Code EvaluationAI training is the human side of building artificial intelligence.

People review examples, assess model responses, and provide precise feedback so AI systems can become more accurate, useful, and reliable. In this project, your software development expertise will help evaluate code generated in response to prompts.

Your reviews will support the refinement of AI training processes while giving you direct experience with cutting-edge model development.

Contribute to the development of modern AI systemsApply professional coding judgment to model-generated responsesWork remotely with a flexible contractor scheduleThe RoleOpenTrain AI is seeking an experienced Swift and iOS developer for an ongoing AI model training project.

You will review and quality-assure code written in response to specific prompts, checking whether it follows the instructions and meets high standards for technical correctness, accuracy, and functionality. The project is expected to continue for 3-6 months.

The project description calls for 30-40 hours of expertise per week, while the structured opportunity details specify a minimum commitment of 20+ hours per week. Compensation is $14 per hour.

Role type: Part-time contractorPay: $14 per hourExpected project duration: 3-6 monthsStructured time requirement: 20+ hours per weekProject workload described as 30-40 hours per weekWork arrangement: Worldwide and remoteWhat You'll DoYou will scrutinize code responses generated by freelance AI trainers and determine whether each response satisfies the relevant prompt.

Your evaluations and constructive feedback will help improve the quality of coding data used in AI training.

Review Swift and iOS code for technical correctnessEvaluate whether code follows the instructions in each promptCheck code quality, functionality, and adherence to development best practicesIdentify software issues and suggest improvementsProvide clear, constructive technical feedbackPerform quality assurance work accurately and thoroughlyWork independently with minimal or no supervisionAdapt to new software tools and technologies as project needs changeRequirementsThis role requires extensive real-world Swift and iOS development experience.

At least five years of Swift experience is required for consideration, with more than five years preferred. You should also be comfortable conducting detailed code reviews and communicating technical feedback in English.

At least 5 years of Swift experience is requiredExtensive real-world iOS development experienceProven ability to analyze and optimize codeStrong code review skills and knowledge of software development best practicesStrong analytical and problem-solving abilitiesEnglish proficiency at a minimum B2 levelExcellent written and verbal communication skills in EnglishExceptional attention to detailAbility to work independently and consistently produce high-quality resultsAbility to adapt quickly to new tools and technologiesPreferred AI Training ExperienceKnowledge of AI model training, especially the use of coding practices in AI data labeling, is relevant to this work.

Previous quality assurance or quality control experience on AI data projects is a plus, but the core requirement remains substantial Swift and iOS expertise.

Understanding of AI model training workflowsFamiliarity with coding-focused AI data labelingPrevious AI data QA or QC experience is a plusExperience providing peer feedback that improves project outcomes is valuableWho Should ApplyThis opportunity is designed for experienced Swift and iOS developers who enjoy careful technical analysis and can explain their decisions clearly.

It may suit professionals seeking flexible, remote contract work while contributing their specialized knowledge to the fast-growing AI industry. When applying, be prepared to confirm your English proficiency level. A minimum B2 level is required for this project.

Experienced Swift developers with at least five years of experienceiOS professionals confident evaluating code written by othersDetail-oriented reviewers who value accuracy and thoroughnessIndependent workers who can manage ongoing project responsibilitiesClear communicators comfortable delivering constructive feedbackHow to Apply Through OpenTrainCreate a free OpenTrain account, build your profile, and apply in minutes.

Include your Swift and iOS background, code review experience, availability, and English proficiency level so your application reflects the requirements of this project.

Confirm at least 5 years of Swift experienceDescribe your real-world iOS development backgroundState your English proficiency level and confirm B2 or higherReview the 20+ hour weekly requirement and the 3-6 month project timelineApply as a part-time contractor through OpenTrain