Toloka

Freelance Principal AI Solutions Engineer

United States · Principal · Contract

Sponsorship not specifiedDetected 2 days ago

PythonMachine LearningPandasNumPyLLMsRAGAgentic AIShopifyResearchLeadershipCommunicationMentoring

About the role

We work with frontier labs, big tech, renowned AI startups, enterprises and non-profit research organizations worldwide.
We have experts in more than 50 different domains-from doctors and lawyers to physicists and engineers-and boast one of the most diverse global crowds, representing over 100 countries and speaking 40+ languages.
Recently, we secured strategic investment led by Bezos Expeditions and Nebius Group with participation from Mikhail Parakhin, CTO of Shopify and board advisor to leading GenAI companies, who now serves as our Chairman of the Board.

Lead executive conversations using a structured, answer-first (BLUF) approach.
Manage escalations and expectations with composure and integrity.
Build long-term trusted relationships by recommending evidence-based solutions.
Design and build the data solutions yourself: configure data-labeling components and quality controls, develop user interfaces and AI-driven solutions (e.g. agentic systems, RAG, synthetic data generation), and integrate them into automated, multi-stage pipelines that produce data for AI training and evaluation.
Own delivery end to end - timelines, quality, and scalability - and the commercial outcome: Gross Margin and Contribution Margin, with the levers, trade-offs, and next checkpoints named, not just described.
Identify and drive expansion opportunities.
You've designed complex AI solutions, built multi-stage pipelines, and developed AI-driven systems (e.g. agentic workflows, RAG, or synthetic data generation).

run experiments to prove the pipeline delivers data of the required quality and speed
Strong understanding of modern LLM development.
You enjoy working through ambiguity, asking the right questions, and translating business or research goals into clear AI data and evaluation strategies.

Advanced degree (MSc/PhD) in AI, CS, or a related field.
Experience in crowdsourcing and/or data-centric AI, and with fast-paced, multi-project delivery for frontier AI clients.
[Important Notice] Scam Alert Regarding Fake Job Postings
It has come to our attention that an individual or group is fraudulently impersonating Toloka to post fake jobs and solicit personal information from applicants.Please be aware:
Official Communication: Our recruiting team will only contact you from an official " toloka.ai " email address.
We will NEVER use Gmail, Yahoo, Tolokainc, toloka.inc, or other personal or seemingly business email accounts.
Official Listings: All legitimate job openings are posted on our official careers page: https://toloka.ai/careers#job-list
What to do: If you see a suspicious job posting or have been contacted by someone you suspect is a scammer, please do not provide any personal information.

Company Intro
At Toloka AI we create data that powers leading GenAI models and innovations.
We use a combination of Experts + Crowd + Tech Platform to teach AI models to reason and evaluate their efficacy and safety.
We are a well-funded startup with an enviable portfolio of clients including Anthropic, Amazon, Microsoft, Poolside, Recraft, and Shopify.
If you see a suspicious job posting or have been contacted by someone you suspect is a scammer, please do not provide any personal information.
Instead, report the incident to us directly at security@toloka.ai and report the profile/post to LinkedIn.We are taking this matter very seriously and are working with the appropriate parties to resolve it.
We will never ask for your bank account details, credit card number, or any fees as part of the application or interview process.

This listing is sourced directly from Toloka's careers page and normalized into a canonical job model.