Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

iOS Engineer - AI Model Evaluator

$85 per hour

Mercor

Toronto, ON
  • Remote job

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey .

Position: iOS Engineer (Coding Agent Experience)

Type: Contract

Compensation: $85/hour

Location: Remote

Role Responsibilities

  • Use frontier AI coding agents to complete and evaluate complex engineering tasks.
  • Review model-generated mobile application code for correctness, quality, maintainability, and performance.
  • Identify bugs, edge cases, and failure modes in model outputs.
  • Compare outputs from multiple frontier models and assess their strengths and weaknesses.
  • Apply professional engineering judgment to realistic mobile engineering scenarios.

Qualifications

Must-Have

  • 2+ years of professional iOS engineering experience.
  • Experience building and maintaining production iOS applications using Swift and modern iOS frameworks .
  • Regular use of AI coding agents such as Cursor , Claude Code , Codex , Windsurf , Gemini CLI , or similar tools.
  • Ability to evaluate model-generated mobile implementations and architectural decisions.

Preferred

  • Experience shipping production mobile applications.

Compensation & Legal

  • $400 per accepted task
  • Typical tasks take approximately 2–3 hours after ramp-up.
  • Compensation is tied to accepted work.

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

Resources & Support

  • For details about the interview process and platform information, please check:
  • For any help or support, reach out to:

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

Vacancy posted a month ago
Similar jobs that could be interesting for youBased on the iOS Engineer - AI Model Evaluator in Toronto, ON vacancy
  • $85 per hour

     ...and technical talent with leading AI research labs. Headquartered in...  ...Position: DevOps / SRE / Cloud Engineer (Coding Agent Experience)...  ...coding agents to complete and evaluate complex infrastructure engineering tasks. Review model-generated implementations involving... 
    Suggested
    Remote job
    Contract work
    Summer work

    Mercor

    Toronto, ON
    a month ago
  • $80k - $180k per year

     ...Zafin is an AI platform company helping regulated institutions modernize how critical...  ...scale. What’s the Opportunity?  The AI Evaluation Engineer ensures AI agent solutions are accurate,...  ...of AI evaluation, large language model behaviour, reasoning quality, hallucination... 
    Suggested
    Full time

    Zafin

    Toronto, ON
    9 days ago
  • $101k - $169k per year

     ...Job Type:  Permanent   Work Model:  Hybrid   Reference code: 131871 Primary Location...  ...complex, high-impact engagements in the AI Model Risk Space, ensuring alignment with...  ...Generative AI offerings, including testing, evaluating and benchmarking different LLMs and toolchains... 
    Suggested
    Permanent employment
    Contract work
    Flexible hours

    Deloitte

    Toronto, ON
    18 minutes ago
  • $118k - $157.5k per year

     ...Electronics. The Native Focus Categories Engineering team is tasked with supporting and...  ...improving our processes. The Role: As an iOS Software Engineer youll collaborate across...  ...to enhance your experience and may use AI tools for administrative tasks in the hiring... 
    Suggested
    Full time
    Immediate start

    eBay

    Toronto, ON
    11 hours ago
  • $108k - $135k per year

     ...build foundational systems for Lyft's mobile engineers, enabling them to create stable, scalable,...  ...engineer with a passion for crafting iOS productivity tools and robust infrastructure...  ...capabilities. Build out mobile specific AI agent workflows to enhance developer productivity... 
    Suggested
    Hourly pay
    Work at office
    Remote work
    Flexible hours
    3 days per week

    Lyft

    Toronto, ON
    27 days ago
  • $140k - $192.5k per year

     ...Secure Every Identity, from AI to Human Identity is the key to unlocking the potential...  ...'s talk. The Okta Verify Team The Okta iOS platform team is responsible for building Okta...  ...application access.c) The Staff Software Engineer in Test Opportunity We are looking for... 
    Local area
    Worldwide

    Okta

    Toronto, ON
    2 days ago
  • $80 - $120 per hour

     ...creative and technical talent with leading AI research labs. Headquartered in San...  ...Position: Software / AI / IT / data Evaluator Type: Contract Compensation...  ...structured written feedback to improve AI model outputs . Apply deep subject-matter... 
    Remote job
    Contract work
    Summer work
    Work at office

    Mercor

    Toronto, ON
    a month ago
  • $70 per hour

     ...creative and technical talent with leading AI research labs. Headquartered in San...  ...Remote Role Responsibilities Evaluate AI-generated responses to ensure accuracy...  ...structured written feedback to improve AI model outputs . Identify nuances, implicit... 
    Remote job
    Contract work
    Summer work

    Mercor

    Toronto, ON
    a month ago
  • $80 - $120 per hour

     ...creative and technical talent with leading AI research labs. Headquartered in San...  ...regulatory response with financial-services AI Evaluator Type: Contract Compensation...  ...to meet deadlines while improving AI model performance . Qualifications Must... 
    Remote job
    Contract work
    Summer work
    Work at office

    Mercor

    Toronto, ON
    a month ago
  • $135k - $170k per year

     ...General Information: Job Title: AI Engineer Location: Toronto, ON (Onsite/Hybrid)...  ...critical AI features Define and implement evaluation frameworks Optimize systems for...  ...Thrive We support remote and hybrid work models by offering multiple office locations to... 
    Long term contract
    Full time
    Internship
    Work at office
    Immediate start
    Remote work
    Flexible hours

    Fulfillment IQ

    Toronto, ON
    12 days ago
  • $101k - $169k per year

     ...Job Type:  Permanent   Work Model:  Hybrid   Reference code: 133157 Primary Location:  Toronto, ON All Available Locations:  Toronto...  ...required. Hands-on experience in utilizing data analytics and AI-ML (artificial intelligence-machine learning) methodologies to... 
    Permanent employment
    Manual labor
    Flexible hours

    Deloitte

    Toronto, ON
    18 minutes ago
  •  ...Analytics is a global leader in AI and analytics, helping Fortune...  ...for a highly skilled  AI Engineer with 7+ years of experience in...  ...APIs, AWS Bedrock, and other model providers. Infrastructure &...  ...external API interfacing. 3. Evaluation and Optimization Familiarity... 
    Long term contract
    Local area

    Tiger Analytics Inc.

    Toronto, ON
    5 days ago
  •  ...organization, apply now. We are currently seeking a Agentic AI Engineer to join our team in toronto, Ontario (CA-ON), Canada (CA). The...  ...calling agents, multi-agent orchestration) Develop classical ML models (risk scoring, prediction, clustering, anomaly detection)... 
    Work at office
    Remote work
    Flexible hours

    NTT DATA Services

    Toronto, ON
    1 day ago
  •  ...remember more. Speechify’s text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google...  ...– Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and... 
    Work at office
    Remote work

    Speechify

    Toronto, ON
    3 days ago
  • $135k - $210k per year

     ...Overview:   Guidepoint seeks an experienced AI Engineer as an integral member of the Toronto-...  ...systems, including large language model (LLM) applications and research agents, while...  ...practices for LLMOps, including automated evaluation using frameworks like LLM Judges or MLflow... 
    Full time
    Worldwide

    Guidepoint

    Toronto, ON
    15 days ago
  •  ...Threat Modeler / Security Architect – AI Security, Cloud & DevSecOps Must Have Technical/Functional Skills...  ...programs. Secure Design & Engineering Enablement • Develop, maintain...  ...Develop innovative attack techniques to evaluate protective designs and existing... 
    Permanent employment

    Astra North Infoteck Inc.

    Toronto, ON
    23 days ago
  •  ...Place to Work ®, five years in a row! As a  Senior Modeling & Simulation (M&S) Engineer , you will develop models, tools, and simulations of next-generation space...  ...prototype, and use new tools and technology (including AI) to learn, grow, and improve. Success in this role requires... 
    Full time
    Work at office
    Relocation package

    kepler

    Toronto, ON
    26 days ago
  •  ...Waabi, founded by AI visionary Raquel Urtasun, is the leader in...  ...way. To learn more visit: The Evaluation Algorithms team is responsible...  ...realistic closed-loop simulation engine built with the latest in...  ...provide a holistic understanding of model performance and enable the discovery... 
    Full time
    Internship

    waabi

    Toronto, ON
    a month ago
  • $80.75k - $95k per year

     ...are the rewards. At Robinhood, Quality Engineering (QE) is a critical function within our broader...  ...test infrastructure behind Robinhood’s iOS, Android, and Web apps. This role is...  ...if you need a specific accommodation. AI Usage Disclosure: Robinhood uses artificial... 
    For contractors
    Work at office
    Flexible hours
    Shift work
    3 days per week

    Robinhood

    Toronto, ON
    a month ago
  •  .... R2862231  Position title: Data and AI Engineer Department: Data Engineering I. Location...  ...Propose and implement relevant data models for each business case   Create data...  ..., and activities related to performance evaluation. Information collected and processed by... 
    Work from home
    Flexible hours
    Toronto, ON
    1 day ago
  •  ...Generative AI Engineer About Apertera Apertera is leading the evolution of language solutions...  ...Generative AI (GenAI) and Large Language Model (LLM) technologies. You will report to...  ...translation, cloud infrastructure, and evaluation. You'll play a pivotal role in pushing the... 
    Full time
    Shift work

    Apertera

    Toronto, ON
    10 days ago
  •  ...Continuum Continuum is an enterprise AI agent execution and control...  ...agent orchestration, multi-model routing, persistent memory, tool...  ...workflows, governance, guardrails, evaluation, and observability. We are looking for an AI Engineer Intern interested in building production... 
    Internship

    shyftlabs

    Toronto, ON
    11 days ago
  • $147k - $245k per year

     ...thinking organization, apply now. We are currently seeking a Senior AI Engineer - Remote to join our team in Toronto, Ontario (CA-ON), Canada (...  ...candidate will have a strong background in implementing AI models, analyzing and improving existing AI architectures, and... 
    Work at office
    Remote work
    Flexible hours

    NTT DATA Services

    Toronto, ON
    16 minutes ago
  •  ...fast-growing, venture-backed AI platform that transforms how insurance...  ...Join Wisedocs as an Engineering Manager, AI Product Development...  ...pods, guiding AI product and model development from prototype to...  ...teams to build industry leading evaluations  ~ Other duties and responsibilities... 
    Full time
    Casual work
    Immediate start

    Wisedocs AI

    Toronto, ON
    5 days ago
  • $135k - $150k per year

     ...at  . The Opportunity: We’re looking for an AI Engineer, AI Platform & ML Engineering to join our Data & AI...  ...on the platform patterns, MLOps practices, model lifecycle, deployment standards, monitoring, evaluation, and governance integration needed to move AI and... 
    Full time
    Internship

    Aviso Wealth

    Toronto, ON
    5 days ago
  • $122k - $192k per year

     ...Innovations is looking for an experienced DSM Evaluation Manager to join our expanding team. In...  ...leading impact evaluations and offering engineering and analytical support. Your...  ...coordinating fieldwork, data collection, energy modeling, and technical research. Oversee... 
    Full time
    Internship
    Work at office
    Local area

    Resource Innovations

    Toronto, ON
    12 days ago
  • $65k - $85k per year

     ...SYSTRA group, an international consulting and engineering group, a world leader in the design of...  ...Engineer Job Purpose The BIM Modeller – Structural Engineering is responsible...  ...purposes and includes the feminine. We use AI-enabled tools in our recruitment platform... 
    Internship
    Toronto, ON
    26 days ago
  • $130k - $145k per year

     ...seeking a highly skilled and passionate Senior DevOps Engineer, AI infrastructure to join our team! You will play a...  ...prompting strategies for LLMs. Test, evaluate, and analyze the performance of LLM and other GenAI models. Collaborate closely with engineering teams to... 
    Full time
    Internship
    Work at office
    Flexible hours

    Financeit

    Toronto, ON
    5 days ago
  • $90k - $125k per year

     ...around the world. We hire exceptionally smart, analytical, and hard working people who are lifelong learners. About The Role As an iOS Developer you'll be tasked with working on iOS application development. Working within the software development team, your duties will... 
    Full time
    Work from home
    Flexible hours

    Konrad

    Toronto, ON
    9 hours ago
  •  ...Basetwo Basetwo is building the AI layer for pharmaceutical and...  ...expertise across chemical engineering, manufacturing, AI, and software...  ...bring on an expert in Process Modelling who will be able to make...  ...contributions to our process simulation engine. The Process Modeller will be... 

    Basetwo

    Toronto, ON
    5 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to iOS Engineer - AI Model Evaluator. Be the first to apply!