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# Senior Machine Learning Engineer

- **Company:** Harnham
- **Location:** Belfast, UK (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Big Data, Information Extraction, Machine Learning, Language Modeling, Performance Tuning, Sentiment Analysis, Large Language Models, Machine Learning Operations
- **Published:** September 15, 2026
- **Apply:** https://www.collegerecruiter.com/job/2879160944-senior-machine-learning-engineer

## About the Role

* Strong commercial experience in Machine Learning and NLP.
 * Hands-on experience fine-tuning language models and working with LLMs.
 * Knowledge of GenAI and agentic AI patterns.
 * Experience working with large, complex datasets.
 * Understanding of model deployment and productionisation.
 * Strong communication and stakeholder management skills.
 * A practical approach to solving real-world business problems.

## Description

You will develop and deploy advanced NLP and GenAI solutions across the full ML lifecycle., * Build and improve models for information extraction, retrieval, re-ranking, and sentiment analysis.

 * Fine-tune language models and optimise LLM performance.
 * Design and evaluate experiments to improve product outcomes.
 * Develop production-ready machine learning solutions.
 * Work with agentic AI systems and modern NLP architectures.
 * Collaborate closely with Product, Engineering, and senior stakeholders.


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- [Inside the Mind of an LLM](https://www.wearedevelopers.com/videos/1617-inside-the-mind-of-an-llm)
- [Harry Potter and the Elastic Semantic Search](https://www.wearedevelopers.com/videos/860-harry-potter-and-the-elastic-semantic-search)

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