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Product Lead, AI Email App

bjakcareerUnited KingdomActAI Engineering
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Salary
Not listed
Job type
Full-time
Work mode
Remote
Experience
Senior
Posted
28 Sept 2026
Status
Open · checked 8d ago

About this role

This position suits a technical professional with significant experience owning complex AI products who wants to build proactive applications in the United Kingdom. The Product Lead, AI Email App role at bjakcareer involves collaborating with engineering and machine learning teams to design reliable, intelligent email workflows without complex user prompting.

Role Overview

The Product Lead, AI Email App position is based in the United Kingdom with bjakcareer. The role focuses on building proactive, AI-native applications that bring intelligence to everyday communication tasks with minimal prompting. This is a hands-on, technical position requiring close collaboration with machine learning and engineering teams to balance system constraints, model capabilities, and user needs.

Key Responsibilities

Define end-to-end requirements for AI capabilities, covering model behavior, system design, and user experience.
Translate technical constraints, evaluation results, and model capabilities into actionable product decisions.
Balance trade-offs involving quality, latency, cost, reliability, safety, and user experience.
Partner closely with backend, client, and machine learning engineers on system design and iteration.
Establish and evolve evaluation frameworks utilizing offline metrics, online experiments, and human feedback.
Set quality bars and feedback loops for AI-driven experiences while identifying failure modes for predictable recovery.

Requirements

Strong foundation in computer science and system design.
Solid understanding of modern machine learning and production AI system behavior.
Capability to read technical designs, review architectures, and engage deeply with engineers.
Practical experience owning complex technical products from end to end.
Hands-on background with AI-powered products, specifically LLM-based systems.
Experience with model evaluation, prompting, experimentation, and AI iteration.

Nice to Have

Experience shipping AI-heavy consumer products.
Professional background as an engineer or highly technical product manager.
Experience defining evaluation metrics for machine learning systems.
Strong intuition regarding AI user experience patterns and failure handling.
Prior background working in zero-to-one product environments.

Skills and Tools

Large Language Models (LLMs)
Machine Learning Evaluation Frameworks
System Design
Offline and Online Experimentation

About the Company

bjakcareer operates as a small, high-talent-density, hands-on team focused on building proactive applications for users globally. The organization values broad ownership, independent execution, rapid decision-making, and strong engineering fundamentals over rigid processes.

How to Apply

Interested candidates should apply directly on the official bjakcareer company careers page.

Skills and tech stack

LLMMachine Learning

Questions candidates ask

Where is the Product Lead, AI Email App role located?

The position is located in the United Kingdom.

Is this a hands-on technical role?

Yes, this is a deeply technical, hands-on role where the candidate is expected to understand system architectures and challenge technical decisions.

What kind of technologies will the Product Lead work with?

The role involves working with large language models, machine learning systems, evaluation frameworks, and backend architectures.

What does the interview process look like?

The interview process consists of three to four interviews evaluated by technical team members, conducted via virtual meetings and/or onsite.

How should I submit my application?

Candidates should apply on the official company careers page.

Ready to apply?

The application is on the official bjakcareer careers page.

Apply on company site