twentyAI

AI Engineer - TWE42957

⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for an AI Engineer (Contract) focused on a semantic search project, remote in the UK, lasting ~3 months with a pay rate of "X". Key skills include AWS OpenSearch, SageMaker, and experience with hybrid search pipelines.
🌎 - Country
United Kingdom
πŸ’± - Currency
Β£ GBP
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πŸ’° - Day rate
Unknown
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πŸ—“οΈ - Date
October 9, 2025
πŸ•’ - Duration
3 to 6 months
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🏝️ - Location
Remote
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πŸ“„ - Contract
Fixed Term
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πŸ”’ - Security
Unknown
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πŸ“ - Location detailed
United Kingdom
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🧠 - Skills detailed
#SageMaker #Lambda (AWS Lambda) #OpenSearch #R #AWS (Amazon Web Services) #AI (Artificial Intelligence) #S3 (Amazon Simple Storage Service)
Role description
AI Engineer (Contract) – Semantic Search Project Location: Remote (must be based in UK) Contract: ~3 months, starting September (handover available before end of month) We’re working with a Private Equity–backed Data business that has evolved a mature legacy environment into a complex data platform delivering structured intelligence, natural language query, and semantic search capabilities. The business is now in Phase 3 of a hybrid/semantic search build and needs an AI Engineer on a contract basis to step in immediately and deliver. This is a hands-on execution role, not R&D, not discovery. What You’ll Do β€’ Deploy embedding models on SageMaker. β€’ Build pipelines with Step Functions, Lambda, S3, EventBridge. β€’ Generate embeddings and push them into OpenSearch. β€’ Implement hybrid queries (semantic + lexical). β€’ Update search endpoints. What You’ll Need β€’ Proven experience productionising semantic/hybrid search pipelines. β€’ Deep knowledge of AWS OpenSearch, SageMaker, embeddings, vector DBs. β€’ Expertise with Step Functions + Lambda. β€’ Ability to hit the ground running and deliver against a defined design. Why This Role? β€’ Immediate impact on a mission-critical AI platform. β€’ Focused on delivery, not experimentation. β€’ Work with a sharp, low-attrition engineering team.