GenAI Data Engineer
- Posted 28 April 2026
- LocationLondon
- Job type Contract
- Discipline Technology
Job description
Your Responsibilities:
Design and maintain scalable data pipelines using PySpark, Python, and distributed computing frameworks to support high‑volume data processing.
Architect and optimize AWS-based data and AI infrastructure, ensuring secure, performant, and cost‑efficient ingestion, transformation, and storage.
Develop, finetune, benchmark, and evaluate GenAI/LLM models, including custom training and inference optimization.
Implement and maintain RAG pipelines, vector databases, and document-processing workflows for enterprise GenAI applications.
Build reusable frameworks for prompt management, evaluation, and GenAI operations.
Collaborate with cross-functional teams to integrate GenAI capabilities into production systems and ensure high-quality data, governance, and operational reliability
Your Profile:
Strong experience with PySpark, distributed data processing, and largescale ETL/ELT pipelines.
Strong SQL expertise including star/snowflake schema design, indexing strategies, writing optimized queries, and implementing CDC, SCD Type 1/2/3 patterns for reliable data warehousing.
Advanced proficiency in Python for data engineering, automation, and ML/GenAI integration.
Hands‑on expertise with AWS services (S3, Glue, Lambda, EMR, Bedrock / custom model hosting).
Practical experience with GenAI/LLM model creation, finetuning, benchmarking, and evaluation.
Solid understanding of RAG architectures, embeddings, vector stores, and LLM evaluation methods.
Experience working with structured and unstructured datasets (documents, logs, text, images).
Familiarity with scalable data storage solutions (Delta Lake, Parquet, Redshift, DynamoDB).
Understanding model optimization techniques (quantization, distillation, inference optimization).
Strong capability to debug, tune, and optimize distributed systems and AI pipelines.
If this position is of interest to you, apply now!
