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Senior AI Research Engineer

We’re on a mission to make sure everyone has access to the law.

Backed by top VC funds and a recent $40M Series A—one of Europe's five largest Series A raises of 2024—Lawhive is poised for rapid growth and expansion into the US market.

As a pioneering legal tech platform, we're seeking a Senior Research Engineer to join our mission of democratising access to the law. This role offers the opportunity to work on cutting-edge AI products, build best-in-class user experiences, and help solve one of society's most pressing problems.

We’re looking for a Research Engineer to experiment with, develop, and refine LLM-based AI assistants, document automation systems, and case workflow optimisations. This is an opportunity to bridge cutting-edge AI research and real-world applications.

  • Conduct applied research on LLM-based reasoning, multi-agent systems and developing frontier bespoke models for automating legal workflows.
  • Develop prototypes and experimental models to explore novel AI-driven legal solutions.
  • Design and implement retrieval-augmented generation (RAG) pipelines, leveraging embeddings, vector databases, and structured retrieval techniques.
  • Optimise LLM inference and fine-tuning using techniques such as LoRA, PEFT, prompt engineering, and caching.
  • Integrate multi-modal and external knowledge sources to enhance AI-driven insights.
  • Research and implement autonomous agentic AI systems for complex, multi-step legal workflows.
  • Stay up to date with the latest advancements in model architectures, alignment and interpretability, and orchestrating complex multi-agent systems.
  • Collaborate with engineers to transition experimental models into production-ready systems.
  • Strong background in AI research, applied machine learning, and NLP.
  • Experience with LLM model adaptation, fine-tuning, and inference optimization.
  • Proficiency in Python, Pydantic, FastAPI, and working with LLM APIs (OpenAI, Anthropic, Mistral, etc.).
  • Understanding of retrieval-augmented generation (RAG), vector databases, embeddings, and structured AI retrieval.
  • Hands-on experience with LLM-based planning, reasoning, and autonomous task execution.
  • Familiarity with self-supervised learning, reinforcement learning, or adaptive AI techniques.
  • Ability to translate academic AI research into practical experiments and working prototypes.
  • Experience deploying AI models in cloud environments such as AWS/GCP.
  • MSc or PhD in AI, ML, Computer Science, or a related field.

✈️  34 Holidays (25 days annual leave + your birthday off + bank hols in England)

💰  Equity (Share Options)

💰  Pension

⛳️  Regular team building activities, socials, and annual retreat!

💷 20% off legal fees through Lawhive

What You Should Know About Senior AI Research Engineer, Lawhive

At Lawhive, we're on an exciting mission to make legal access available to everyone, and we're looking for a passionate Senior AI Research Engineer to join our trailblazing team. With a recent $40M Series A funding—a milestone among Europe's largest for 2024—we're set to expand into the US market and revolutionize the legal tech landscape. In this dynamic role, you'll dive into innovative AI products, developing LLM-based AI assistants and enhancing document automation systems. Your creativity and technical expertise will help tackle some of society’s most complex legal challenges. As a Senior AI Research Engineer, you’ll conduct applied research focusing on multi-agent systems and develop cutting-edge bespoke models to streamline legal workflows. Your work will include designing retrieval-augmented generation (RAG) pipelines and optimizing LLM inference through advanced techniques like LoRA and prompt engineering. Collaborating closely with fellow engineers, you'll turn experimental models into production-ready systems, making your research tangible and impactful. If you hold an MSc or PhD in AI, ML, or Computer Science and have experience with Python, Pydantic, and FastAPI, along with a robust background in NLP, we want to hear from you! Enjoy generous benefits like 34 days off and equity options while working in a collaborative and innovative environment that prioritizes your growth and wellbeing.

Frequently Asked Questions (FAQs) for Senior AI Research Engineer Role at Lawhive
What are the main responsibilities of a Senior AI Research Engineer at Lawhive?

The Senior AI Research Engineer at Lawhive is responsible for conducting applied research on LLM-based reasoning, developing bespoke models for automating legal workflows, and building prototypes that explore innovative AI-driven legal solutions. You will also design RAG pipelines and optimize LLM inference using advanced techniques, ensuring that research translates into practical applications.

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What qualifications do I need for the Senior AI Research Engineer position at Lawhive?

To qualify as a Senior AI Research Engineer at Lawhive, you should have an MSc or PhD in AI, Machine Learning, Computer Science, or a related field. Additionally, expertise in AI research, applied machine learning, NLP, and experience with LLM adaptation and inference optimization is highly valued. Proficiency in Python and familiarity with relevant technologies are also critical.

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What technical skills are important for a Senior AI Research Engineer at Lawhive?

Key technical skills for the Senior AI Research Engineer role at Lawhive include proficiency in Python, FastAPI, and Pydantic, as well as hands-on experience with LLM APIs like OpenAI and Mistral. A solid understanding of retrieval-augmented generation (RAG), vector databases, and embeddings, alongside experience in deploying AI models in cloud environments, is essential for success in this position.

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How does Lawhive support the professional growth of a Senior AI Research Engineer?

At Lawhive, we prioritize the professional growth of our employees by providing opportunities for collaboration and innovation within a supportive environment. Senior AI Research Engineers can engage in cutting-edge projects, participate in team-building activities, and benefit from an annual retreat, all while being encouraged to stay current with the latest advancements in AI technologies.

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What kinds of AI solutions will I work on at Lawhive as a Senior AI Research Engineer?

As a Senior AI Research Engineer at Lawhive, you will work on transformative AI solutions aimed at automating legal workflows, enhancing user experience through LLM-based AI assistants, and integrating multi-modal and external knowledge sources to improve AI-driven insights. Your role will directly contribute to addressing pressing societal issues related to legal access.

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Common Interview Questions for Senior AI Research Engineer
Can you describe your experience with LLM model adaptation as a Senior AI Research Engineer?

When answering this question, present specific instances where you adapted LLM models for particular tasks, explaining your methodologies and the outcomes. Highlight any key challenges you faced, how you overcame them, and the impact your work had on the projects you were involved in.

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What techniques do you use for optimizing LLM inference?

Discuss your approach to optimizing LLM inference, detailing specific techniques like LoRA, PEFT, or caching. Provide examples of how you've applied these techniques in past projects and the benefits achieved, such as reduced latency or increased accuracy in task execution.

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How do you stay updated with the latest advancements in AI research?

Mention your methods for staying current, which may include reading research papers, participating in online forums, attending conferences, and connecting with peers in the industry. Emphasize any specific recent advancements you have implemented in your work.

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Could you explain retrieval-augmented generation (RAG) and its applications in AI?

Answer by explaining the concept of RAG, how it combines retrieval and generation in AI workflows, and its relevance to legal applications. Offer examples from your experience where RAG improved outcome accuracy or efficiency in AI-driven projects.

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What experience do you have with deploying AI models in cloud environments?

Provide details of your experience deploying AI models on platforms like AWS or GCP. Discuss the tools and methodologies you employed, as well as any challenges and how you overcame them, emphasizing the impact of your deployment on project success.

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How do you approach collaborative projects with engineers and researchers?

Discuss your collaborative philosophy, emphasizing openness to ideas, effective communication, and the importance of drawing on diverse expertise. Provide an example of a successful collaborative project where teamwork led to innovative solutions.

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What is your experience with developing prototypes in AI projects?

Elaborate on your experience in creating prototypes, detailing your process from ideation to implementation. Share example projects, what technologies you used, and feedback you received during testing phases which informed your final product.

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Can you give an example of a complex problem you've solved using AI?

Describe a specific instance where you applied AI to tackle a complex challenge. Focus on the problem, your analytical process, the solution implemented, and the results achieved. This showcases your critical thinking and AI expertise.

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What is your understanding of autonomous agentic AI systems?

Talk about the concept of autonomous agentic AI, how it operates in complex workflows, and its potential applications particularly in legal contexts. Draw on your own experiences with multi-agent systems to illustrate your points.

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How would you translate academic AI research into practical applications?

Share your strategy for bridging the gap between academic research and practical applications. Highlight experiences where you successfully adapted research findings into usable solutions, discussing the challenges faced and how you ensured successful implementation.

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MATCH
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FUNDING
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
No info
HQ LOCATION
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EMPLOYMENT TYPE
Full-time, remote
DATE POSTED
March 18, 2025

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