AI Engineer - Wexler at Pear VC

London, England, United Kingdom

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£70,000 – £100,000Compensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Legal Tech, AIIndustries

Requirements

Expert-level Python with a track record of shipping production LLM systems
Hands-on experience designing LLM agents and RAG pipelines
Proficiency with AI evaluation frameworks and end-to-end evaluation pipelines
Solid grounding in NLP fundamentals (tokenisation, embeddings, bias handling)
Ability to juggle token limits, cost and latency while delivering structured outputs
A builder mindset (e.g., spending weekends at hackathons or experimenting with models like DeepSeek)
Excited to work 4 days a week in the London office (WeWork in Aldwych)
Excited to work with a group of kind, ambitious builders solving challenging problems for enterprise clients
Fascinated with AI and LLMs, understanding how they are made, what can be done with them, and their future direction
Ready to work in a fast-paced startup environment with evolving requirements and priorities

Responsibilities

Design, build and refine production-grade LLM agents and proprietary algorithms for expert litigators
Lead development of robust evaluation frameworks and pipelines, establishing metrics and benchmarking models on large datasets to steer R&D
Drive advanced prompt-engineering practice to maximise model efficacy
Apply core NLP fundamentals (tokenisation, embeddings, model architecture) while keeping outputs structured, performant and cost-efficient
Own clean, modular Python back-end code for data-intensive systems, balancing real-world constraints such as token limits, cost and latency

Skills

LLMs

AI Agents

Evaluation Frameworks

Benchmarking

Model Pipelines

Large Datasets

R&D

Document Analysis

Production ML

Pear VC

Venture capital firm for early-stage startups

About Pear VC

Pear VC specializes in providing venture capital for pre-seed and seed stage investments. The firm collaborates with founders to transform innovative ideas into successful companies across various sectors, including AI, healthcare, fintech, and more. Their investment strategy focuses on early-stage startups, offering not just financial support but also expertise and a strong network to help these businesses grow. Pear VC distinguishes itself from competitors through its hands-on approach, providing strategic advice and operational assistance to ensure startups remain agile and focused on their customers. The goal of Pear VC is to guide startups through their early development phases, helping them achieve significant growth and success.

San Francisco, CaliforniaHeadquarters

2013Year Founded

$2,738.4MTotal Funding

UNKNOWNCompany Stage

Venture Capital, Fintech, AI & Machine LearningIndustries

51-200Employees