Senior ai product engineer Work, Jobs (with Salaries)

Senior Product Engineer (AI)
Plain —London
- £90,000 - £140,000 a year
- Full-time
- Hybrid work
- Master's degree
- APIs
- AI
Senior Product Engineer
Ankar —London
- £160,000 - £300,000 a year
- Full-time
- Hybrid work
- Travel
- No travel
Senior AI Engineer
Bluefish AI —London
- Remote
- Master's degree
- Analysis skills
- Machine learning
Senior Product Engineer, AI
Intercom —London
- Hybrid work
- Computer Science
- Bachelor's degree
- Machine learning
- Annual leave
- Work from home
Senior Applied AI Engineer
Xapien —London
- Full-time
- Hybrid work
- Master's degree
- Life insurance
Senior Product Engineer
Legl —London
- Remote
Senior Consultant - Manager - Sustainable & Resilient PLM Architect/Engineer, AI for Sustainability & Infrastructure, AI & Data
Deloitte —Belfast
- Hybrid work
- English
- Travel
- APIs
Founding Product Engineer - Applied AI
Healthtech-1 —London
- £90,000 - £130,000 a year
- Overtime
- APIs
- AI
- School
- Annual leave
- Work from home
Senior AI Engineer
Infios —Remote
- Full-time
- Remote
- Azure
- Mentoring
- APIs
Senior AI Engineer
ClearRoute —London
- Hybrid work
- Azure
- AWS
- APIs
- Employee assistance programme
1d
AI Product Manager
UniHomes —Sheffield
- £65,000 - £80,000 a year
- Full-time
- Salesforce
- AI
- Employee discount
- Referral programme
Quick apply
Senior Product Designer
Street Group —Manchester
- £50,000 - £68,000 a year
- Full-time
- Hybrid work
- Work from home
- Flexible schedule
Quick apply
Senior Product Engineer
Healthtech-1 —London
- £125,000 a year
- Overtime
- APIs
- AI
- School
- Annual leave
- Work from home
Senior AI Engineer (Remote)
Softblues —London
- Remote
- Azure
- English
- AWS
- Annual leave
- Flexible schedule
Senior Product Engineer (TS/NodeJS/Vue)
n8n —London
- £190,000 a year
- Full-time
- Remote
- English
- Administrative experience
- JavaScript
- Life insurance
Senior AI Engineer
aPriori Technologies —Belfast
- Night shift
- Remote
- Azure
- Computer Science
- Master's degree
- Flexible schedule
7d
Senior AI Engineer
OFGEM —London
- £52,397 - £62,699 a year
- Full-time
- Hybrid work
- Azure
- Presentation skills
- Machine learning
- Annual leave
- Flexible schedule
Forward Deployed Engineer
LiveKit —United Kingdom
- £132,000 - £240,000 a year
- Full-time
- Remote
- C++
- APIs
- AI
9d
Senior Agentic AI Engineer
Perceptive —Remote
- Full-time
- Remote
- Computer Science
- Engineering
- English
Senior AI Research Engineer
Adyen —London
- Machine learning
- AI

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Senior Product Engineer (AI)

Plain -
London

Apply Now

Job details

Full-time
£90,000 - £140,000 a year

Qualifications

Law
Master's degree
PostgreSQL
APIs
AI

Full job description

Plain is redefining customer support for the next generation of B2B companies. We’re building the fastest, most powerful platform to help companies move beyond reactive support and build true customer relationships.

Some of the world’s most forward-thinking companies - like Cursor, Raycast, and Granola - trust Plain to unify all customer interactions, enable faster team collaboration, and supercharge their workflows with AI.

B2B customer support is undergoing a seismic shift. AI is transforming the way companies engage with customers, shifting support from a siloed function to a company-wide effort across Slack, Discord, and any other channel you talk to customers in. The old way - slow, manual, and disconnected - no longer works.

This role is hybrid with 3 days a week in our London office.

What you’ll do

We’re in a rare spot. Plain is already powering support for high-growth companies with a lightning-fast, deeply scalable platform. AI has been part of our DNA from the start. Now we’re doubling down to define how it shapes every layer of modern customer support.

This is where you come in.

We're looking for a customer obsessed Senior Product Engineer to help take our AI ambitions to the next level. You’ll build the Infrastructure that helps us build AI features quickly, safely and with confidence. You’ll own problems end to end, and play a key role in building a category-defining product.

In this role, you will:

Own and ship AI features such as our agents, assistants, insights and more - from concept to production.
Design and implement backend services for AI integrations and data pipeline.
Build robust APIs and abstractions for internal AI usage
Drive system scalability: caching, optimization, processing patterns, etc
Contribute and drive the evolution of the infrastructure for AI including architecture, evaluation and iteration pipelines.
Solve complex AI challenges around AI accuracy, reliability, and quality – using rigorous quantitive approaches.
Advocate for our work externally – writing, speaking, and engaging with the broader AI community.

This is a great fit if you…

Are an experienced backend engineer who’s shipped AI products in the OpenAI & Anthropic era – especially text and data-heavy AI applications.
Have hands-on experience with LLM orchestration and LLM API optimization (costs, latency, etc)
Are familiar with RAG architectures and technologies
Have AI observability experience. AI isn’t just about shipping features that sound great – it’s about knowing, conclusively, if they’re making things better.
Have a clear perspective on what makes a great AI product. We want to apply AI with precision, nuance, and real impact – not as a gimmick.
Are product minded and customer focused in how you build software.
Measure your success by user impact, not just technical elegance.
Are self-driven, impact-focused, and thrive in a fast-moving, high-ownership environment.
Bonus: you have experience with agent frameworks and design.

This won’t be the right role if you…

Have primarily academic or research ML/AI experience. This role’s looking for someone with Applied AI experience.
Think AI for support is just chatbots and deflection. B2B support is complex – we want AI through the platform, not just automating conversations.
Struggle with ambiguity. We’re an early-stage startup. Things change quickly, and often, knowing what to work on is as important as the work itself.
Prioritize working with the latest tech for its own sake. We choose tools that make us productive – not what’s trendy. (Postgres is great.)
Are looking for a management role. This is a hands-on individual contributor position.
Want the perks of a big company. We offer competitive compensation for our stage, but we’re a startup – this is a different kind of opportunity.

Compensation Range: £90K - £140K

Apply Now

Refine Your Search

senior ai product engineer jobs

Senior Product Engineer (AI)

Senior Product Engineer

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Senior Product Engineer, AI

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Senior Consultant - Manager - Sustainable & Resilient PLM Architect/Engineer, AI for Sustainability & Infrastructure, AI & Data

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Senior Product Engineer

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Senior Product Engineer (TS/NodeJS/Vue)

Senior AI Engineer

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Forward Deployed Engineer

Senior Agentic AI Engineer

Senior AI Research Engineer

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