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BD-0042
ML & data for AI

Senior Rails engineer, 9 years, shipped a fine-tuned review classifier and LLM features in production SaaS

Ref. BD-0042 · ML & data for AI

ML & data for AI, AI features & copilots — Based in Ukraine. 9 years · Full-time/Contract · Remote

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Profile

BuildsML & data for AI, AI features & copilots
StackRuby on Rails, Python, FastAPI, PyTorch, OpenAI API, Sidekiq
Experience9 years
Open toFull-time, Contract
Work the agent doesSoftware & IT, Research & analytics
Work modeRemote
Based inUkraine
PostedAug 2026
CheckedSource opened and read

Summary

Built and shipped solo an AI review-analytics app with a fine-tuned multi-label text classifier served from a Python service, with cited recommendations and a verification pass. Earlier an AI-driven marketing platform with LLM content pipelines. Seeks senior Rails work where LLM or ML features are on the roadmap.

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Leads that need ML & data for AI

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IDLead and placeKind · sectorBudgetWork modeDeadline / postedStatus
AP-0985Principal Machine Learning Engineer, Agentic AIAI agents & agentic workflows, ML & data for AI · Location not statedHiring to buildBudget not stated—Nov 2026Open
AP-0984AI Engineer (LLM) - RemoteAI features & copilots, R&D & pilots · Location not statedHiring to build · Health, Legal & public sectorBudget not stated—Nov 2026Open
AP-0982AI Agent Developer (Microsoft Copilot)AI agents & agentic workflows, Process automation, AI features & copilots · Location not statedHiring to build · Education, CybersecurityBudget not stated—Nov 2026Open
AP-0980Microsoft Copilot / AI Solutions EngineerProcess automation, AI features & copilots, ML & data for AI · Location not statedContract role · Cybersecurity, Legal & public sectorBudget not stated—Nov 2026Open
AP-0794Senior Python and MLOps engineer building LLM, ML and vector-database solutions, EU residents onlyML & data for AI, AI features & copilots · Location not statedHiring to buildBudget not stated—Nov 2026Open
AP-0976Germany – Research and development services and related consultancy services – [Ne-Trust] Negative Trust ArchiML & data for AI · Halle (Saale), GermanyPublic tender · Cybersecurity, Legal & public sector€7.3M—due Feb 4, 2027Open

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Senior Rails engineer, 9 years, shipped a fine-tuned review classifier and LLM features in production SaaS · BD-0042

We forward your note to this builder within 3 working days and connect you if they agree to talk. The cost is 60 credits.

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