GIOS Technology
Machine Learning Engineer
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Machine Learning Engineer in Sheffield, UK, with a contract length of unspecified duration. The pay rate is also unspecified. Key skills include Python, Machine Learning, ETL, RAG, and experience with vector databases.
🌎 - Country
United Kingdom
💱 - Currency
£ GBP
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💰 - Day rate
Unknown
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🗓️ - Date
May 9, 2026
🕒 - Duration
Unknown
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🏝️ - Location
On-site
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📄 - Contract
Unknown
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🔒 - Security
Unknown
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📍 - Location detailed
Sheffield, England, United Kingdom
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🧠 - Skills detailed
#Data Pipeline #ML (Machine Learning) #"ETL (Extract #Transform #Load)" #GCP (Google Cloud Platform) #SQL (Structured Query Language) #Indexing #Python #AWS (Amazon Web Services) #Model Evaluation #NLP (Natural Language Processing) #Data Engineering #AI (Artificial Intelligence) #Datasets #Databases
Role description
I am hiring for Machine Learning Engineer
Location: Sheffield, UK (3 Days Onsite Mandatory)
We are looking for a skilled Machine Learning Engineer to support enterprise AI Helpdesk initiatives focused on Retrieval-Augmented Generation (RAG), LLM evaluation, and intelligent knowledge systems.
Key Responsibilities:
• Build and maintain ETL/data pipelines for structured and unstructured enterprise knowledge data.
• Develop RAG pipelines, embeddings, vector indexing, and retrieval optimization solutions.
• Improve AI response quality using chunking, ranking, filtering, and grounding techniques.
• Create evaluation datasets and automated quality testing for LLM accuracy and hallucination reduction.
• Support model benchmarking, tuning, experimentation, and performance optimization activities.
• Collaborate with engineering teams to enhance AI system reliability and reduce failure rates.
Required Skills:
Python, Machine Learning, Data Engineering, RAG, LLM, Vector Databases, Embeddings, ETL, SQL, APIs, AWS, GCP, Retrieval Systems, Data Pipelines, Model Evaluation, AI, NLP
I am hiring for Machine Learning Engineer
Location: Sheffield, UK (3 Days Onsite Mandatory)
We are looking for a skilled Machine Learning Engineer to support enterprise AI Helpdesk initiatives focused on Retrieval-Augmented Generation (RAG), LLM evaluation, and intelligent knowledge systems.
Key Responsibilities:
• Build and maintain ETL/data pipelines for structured and unstructured enterprise knowledge data.
• Develop RAG pipelines, embeddings, vector indexing, and retrieval optimization solutions.
• Improve AI response quality using chunking, ranking, filtering, and grounding techniques.
• Create evaluation datasets and automated quality testing for LLM accuracy and hallucination reduction.
• Support model benchmarking, tuning, experimentation, and performance optimization activities.
• Collaborate with engineering teams to enhance AI system reliability and reduce failure rates.
Required Skills:
Python, Machine Learning, Data Engineering, RAG, LLM, Vector Databases, Embeddings, ETL, SQL, APIs, AWS, GCP, Retrieval Systems, Data Pipelines, Model Evaluation, AI, NLP
