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onurratarr/README.md

Hi, I'm Onur Atar 👋

AI Deployment / Forward Deployed Engineer — LLM evaluation, data & agent workflows. Based in New Jersey, USA.

I turn ambiguous technical problems into working AI systems: scoping agent solutions directly with business clients, building retrieval and tool-calling workflows, and designing the evaluation and human-review loops that keep them trustworthy.

  • 🛰️ AI Specialist, STEM & Data Intelligence @ SpaceX (Apr 2024 – present) — LLM reasoning frameworks for STEM / advanced-math data, large-scale data curation and auditing, quality benchmarks for model outputs.
  • 🧠 Previously AI Data Scientist & STEM Expert @ Outlier and Data Scientist @ Shiptory.
  • 🎓 M.S. Information Technology (Data Management & Analytics) · B.S. Mathematics.
  • 📚 Before tech: eight years leading a mathematics department and authoring calculus & geometry textbooks — I like explaining complex things clearly.

Featured projects

Ordered by relevance to forward-deployed work. These are reference implementations on synthetic data only — no client code or client data. Three of them (retail-whatsapp-llm-agent, turkish-legal-rag-intake, llm-eval-harness) are inspired by client projects I delivered.

Project What it shows
enterprise-integration-agent LLM agent over mock CRM + ticketing REST APIs: OAuth2 (client credentials, PKCE, refresh rotation), HMAC-signed idempotent webhooks, retries with backoff, PII-redacted audit log.
customer-data-onboarding-pipeline Onboarding a customer's messy CSV drops + paginated REST API into DuckDB/Postgres: data contracts with quarantine, LLM-assisted column mapping with human review and a held-out eval, dbt-style models, DQ checks, idempotent re-runs, audit trail.
retail-whatsapp-llm-agent WhatsApp retail agent: tool-calling over a product DB (price / promotion / stock), escalation to staff, mock WhatsApp Cloud API webhook, store reports.
turkish-legal-rag-intake Turkish legal RAG with citation-grounded answers, structured client-intake agent, attorney review queue, rubric-based eval.
text-to-sql-analytics-agent Schema-aware text-to-SQL over a dbt-style DuckDB warehouse: read-only SQL guard (allowlist, PII, LIMIT), self-correction, execution-accuracy eval.
llm-eval-harness LLM evaluation harness: rubric + reference scoring, LLM-as-judge, pairwise preference labels, Cohen's kappa, regression tests.

More: voice-contact-center-agent (flow-spec voice agent with barge-in, verified tool calls, warm handoff, transcript eval) · ofi-cross-impact-analysis (Order Flow Imbalance cross-impact analysis).

Skills

  • AI / LLM: LLM evaluation & quality benchmarking, RLHF data, AI agent workflows, RAG, prompt engineering, LLM reasoning frameworks, data curation & annotation workflow design
  • Programming & data: Python, SQL, statistical analysis, predictive modeling, data visualization
  • Working with clients: requirements gathering, technical writing, explaining complex concepts to mixed audiences

Contact

LinkedIn — in/onur-atardsm

Popular repositories Loading

  1. ofi-cross-impact-analysis ofi-cross-impact-analysis Public

    Code and analysis for Order Flow Imbalance (OFI) cross-impact analysis

    Jupyter Notebook 2 1

  2. turkish-legal-rag-intake turkish-legal-rag-intake Public

    Reference implementation: Turkish legal RAG with citation-grounded answers, client-intake agent (structured JSON), attorney human-in-the-loop review and rubric eval — synthetic data.

    Python 1

  3. onurratarr onurratarr Public

    Profile README

  4. retail-whatsapp-llm-agent retail-whatsapp-llm-agent Public

    Reference implementation: WhatsApp LLM agent for a retail chain — tool-calling over a synthetic SQLite product DB, staff escalation, mock WhatsApp Cloud API webhook, SQL reports.

    Python

  5. llm-eval-harness llm-eval-harness Public

    Compact LLM evaluation harness: rubric + reference scoring, LLM-as-judge (offline mock or OpenAI-compatible), RLHF-style pairwise preferences, Cohen's kappa, CI regression gate. Synthetic data.

    Python

  6. enterprise-integration-agent enterprise-integration-agent Public

    Reference implementation: LLM agent over a Salesforce/Zendesk-style mock CRM + ticketing API — OAuth2 (client credentials, auth code + PKCE), HMAC webhooks, idempotency, retries with backoff+jitter…

    Python