Freelance Mathematics Expert - AI Trainer
Contributors may design rigorous mathematics problems reflecting professional practice; evaluate AI solutions for correctness, assumptions, and constraints; improve AI reasoning to align with industry-standard logic; and apply structured scoring criteria to multi-step problems.
Freelance n8n Workflow Developer - AI Trainer
Design, build, and evaluate advanced workflows in self-hosted n8n environments. Architect multi-system integrations for scalable automation pipelines. Develop and optimize AI-powered workflows such as content generation, automation pipelines, and enrichment systems. Build and maintain lead generation, outreach, and data processing automation systems. Implement web scraping workflows and ensure reliable data extraction and processing. Optimize workflow execution, node sequencing, and error handling to prevent failures, delays, and API timeouts.
Optical Engineer - Freelance AI Trainer
Contributors design original optics problems that simulate real physics research workflows and ensure these problems are computationally intensive and cannot be solved manually within reasonable timeframes of days or weeks. They develop problems requiring non-trivial reasoning chains in mechanics, electromagnetism, thermodynamics, and quantum mechanics, basing issues on real research challenges or practical applications from optics and physics practice. Contributors also document problem statements clearly and provide verified correct answers.
Member of Technical Staff (Data): World Models
Design, automate, maintain, and optimize Python ETL pipelines (Spark/Ray) for large-scale multimodal data. Build and maintain data cataloging, lineage, quality tooling, integrity verification, access controls, and lifecycle management systems. Provide guidance, internal tools, and documentation to colleagues on data best practices. Serve as a custodian of the company’s datasets, ensuring overall data health, quality, and discoverability.
Freelance Junior Journalist - AI Trainer
As an AI Trainer - Junior Journalist, the role involves helping to train AI models by crafting text that teaches AI reasoning, logic accuracy, nuance, and clarity. Contributors may craft original, clear, and fact-checked responses based on project guidelines, generate prompts to challenge AI, define comprehensive scoring criteria to evaluate AI answer accuracy, and follow style and quality standards to ensure consistency.
Machine Learning Developer (Freelance)
Contributors may design original computational STEM problems that simulate real scientific workflows, create problems that require Python programming to solve, ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes, develop problems requiring non-trivial reasoning chains and creative problem-solving approaches, verify solutions using Python with standard libraries such as Numpy, Pandas, Scipy, and scikit-learn, and document problem statements clearly while providing verified correct answers.
Senior Software Engineer – Applied AI for Corporate Systems
The Senior Software Engineer is responsible for partnering with Finance and HR stakeholders to map, document, and prioritize workflows that can be automated with AI agents, building autonomous and semi-autonomous agent workflows that interact with browsers, internal APIs, ERP systems like NetSuite, and HRIS platforms such as BambooHR. They design and operate Model Context Protocol (MCP) Servers callable by AI Agents to act on corporate systems, and build proprietary agent libraries, prompting strategies, and benchmarking frameworks tailored to corporate use cases. The role includes developing and maintaining integrations between AI agents and corporate SaaS platforms including NetSuite, Slack, and Google Workspace, developing custom JavaScript (SuiteScript) for NetSuite to automate workflows and integrations, prototyping, testing, and optimizing AI-powered applications including workflow automation for Finance and HR. The engineer translates complex business processes such as month-end close, payroll, onboarding, and compliance reporting into clear technical specifications, provides technical documentation and training to non-technical Finance and HR teams for adoption of AI solutions, participates in architecture reviews, sprint planning, and cross-functional alignment with Finance, HR, Legal, and Engineering teams, and stays current on advancements in AI technologies while evangelizing AI capabilities internally across Aircall.
Energy Systems Engineer - Freelance AI Trainer
Contributors may design rigorous energy engineering problems reflecting professional practice; evaluate AI solutions for correctness, assumptions, and constraints; validate calculations or simulations using Python (NumPy, Pandas, SciPy); improve AI reasoning to align with industry-standard logic; and apply structured scoring criteria to multi-step problems.
Electrical Engineer & Python Expert - Freelance AI Trainer
Contributors may design rigorous electrical engineering problems reflecting professional practice; evaluate AI solutions for correctness, assumptions, and constraints; validate calculations or simulations using Python (NumPy, Pandas, SciPy); improve AI reasoning to align with industry-standard logic; and apply structured scoring criteria to multi-step problems.
Electrical Engineer & Python Expert - Freelance AI Trainer
Contributors may design rigorous electrical engineering problems reflecting professional practice, evaluate AI solutions for correctness, assumptions, and constraints, validate calculations or simulations using Python (NumPy, Pandas, SciPy), improve AI reasoning to align with industry-standard logic, and apply structured scoring criteria to multi-step problems.
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