Senior research engineer Work, Jobs in Acton, Gtl (with Salaries)

Senior Research Engineer
Decagon —London
- £200,000 - £300,000 a year
- Full-time
- AI
- Python
- Life insurance
Senior Machine Learning Engineer
Longshot Systems Ltd —London
- Full-time
- Hybrid work
- C++
- Machine learning
- Scripting
- Gym membership
Quick apply
Software Engineer
Sing King Ltd —London
- £45,000 - £60,000 a year
- Full-time
- Hybrid work
- JavaScript
- APIs
- Python
- Work from home
- Employee discount
Quick apply
14d
Distribution Operations Engineer
Warner Bros. Discovery —London
- Weekend availability
- Computer literacy
- Maintenance
- Communication skills
Engineer, Professional Services
ABACUS —London
- Azure
- Travel
- AI
- Annual leave
- Employee discount
Quick apply
Senior Research Engineer
Autodesk —London
- Full-time
- Computer Science
- Engineering
- Master's degree
5d
Head of Research for BCG X AI Science Institute
Boston Consulting Group —London
- Full-time
- Communication skills
3d
Product Manager
Log my Care —London
- £45,000 - £60,000 a year
- Hybrid work
- Product management
- Communication skills
Quantitative Researcher
Xantium Group —London
- £175,000 - £225,000 a year
- Doctoral degree
- Maths
- Machine learning
Senior Product Manager - Screening
Wise Australia Investments —London
- £88,000 - £120,000 a year
- Product management
Senior Product Designer
Wise Australia Investments —London
- £78,000 - £100,000 a year
- Referral programme
11d
Business Analyst
Roke Manor Research Limited —Woking
- Agile
Full Stack Engineer
Sing King Ltd —London
- £45,000 - £60,000 a year
- Full-time
- Hybrid work
- JavaScript
- APIs
- Python
- Work from home
- Employee discount
Quick apply
14d
Product Manager - OSS
Reflection —London
- Full-time
- Annual leave
AI Experience Designer, United Kingdom - BCG X
Boston Consulting Group —London
- Full-time
- Up to 50% travel
- English
- Travel
Principal Research Engineer
Synthesia —London
- Full-time
- Remote
- Communication skills
Principal Product Manager
Gigaton —London
- £100,000 - £130,000 a year
- Full-time
- Hybrid work
- Travel
- AI
Quick apply
11d
Senior Product Engineer
Ankar —London
- £160,000 - £300,000 a year
- Full-time
- Hybrid work
- Travel
- No travel
Senior Deep Learning Research Engineer
Greyparrot —London
- Full-time
- Hybrid work
- Master's degree
- Python
- Sick pay
Senior Product Engineer
Alecto Legal —London
- £100,000 - £125,000 a year
- Full-time
- Hybrid work
- Machine learning
- Financial services
Quick apply
7d

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Senior Research Engineer

Decagon -
London

Apply Now

Job details

Full-time
£200,000 - £300,000 a year

Benefits

Company pension
Life insurance

Qualifications

AI
Python

Full job description

About Decagon

Decagon is the leading conversational AI platform empowering every brand to deliver concierge customer experiences.

Our technology enables industry-defining enterprises like Avis Budget Group, Block’s Cash App and Square, Chime, Oura Health, and Hunter Douglas to deploy AI agents that power personalized, deeply satisfying interactions across voice, chat, email, SMS, and every other channel.

We’re building a future where customer experiences are being redefined from support tickets and hold music to faster resolutions, richer conversations, and deeper relationships. We’re proud to be backed by world-class investors who share that vision, including a16z, Accel, Bain Capital Ventures, Coatue, and Index Ventures, along with many others.

We’re an in-office company, driven by a shared commitment to excellence and velocity. Our values — Just Get It Done, Invent What Customers Want, Winner’s Mindset, and The Polymath Principle — shape how we work and grow as a team.

About the Team

The Research team develops the model and decision-making stack that powers Decagon’s conversational agents for enterprise support. We research, adapt, and implement state-of-the-art techniques in model training, prompting, orchestration, and evaluation in order to make our agents more accurate, robust, and efficient in real-world deployments.

Our goal is to push the frontier of applied conversational AI: agents that reliably understand nuanced intent, track long context, and take the right actions under uncertainty. We measure success the way customers feel it: higher resolution rates, better user satisfaction, and consistent behavior at scale.

About the Role

As a Senior Research Engineer, you’ll be responsible for building industry-leading conversational AI models that power Decagon’s agent, and taking them all the way from idea to production. You’ll own multi-quarter initiatives that push the agent’s reliability, capability, and efficiency forward, and you’ll design and implement frontier approaches for training, evaluation, and orchestration across the system.

We’re looking for strong engineers who want to build the core models and algorithms behind our AI agents. People here own their work end-to-end, ship real improvements, and are trusted to make high-impact technical decisions.

In this role, you will

Lead research and engineering efforts to improve core conversational capabilities in production, including instruction following, retrieval, memory, and long-horizon task completion
Build and iterate on end-to-end models and pipelines that optimize for quality, efficiency, and user experience
Partner with platform and product engineers to integrate new models into production systems
Break down ambiguous research ideas into clear, iterative milestones and roadmaps.

Your background looks something like this

5+ years of experience in AI/ML engineering or research.
Prior experience post-training and deploying LLMs in production environments.
Fluency in Python and modern ML tooling (training, evaluation, data pipelines)
Track record of taking research ideas from prototype reliable, measurable production impact

Compensation

£200K – £300K + Offers Equity

Benefits

We proudly offer the following benefits for our full-time employees:

Take what you need vacation policy (subject to local requirements; UK employees receive 25 days of statutory leave)
Medical, Dental, and Vision benefits for you and your family
Life Insurance and Disability Benefits
Retirement Plan (e.g., 401K, pension)
Parental Leave
Fertility and family building benefits through Carrot
Daily lunches and snacks in the office to keep you at your best

These benefits are described in more detail in Decagon’s policies, may vary by location, and can change at any time according to applicable compensation and benefits plans.

Compensation Range: £200K - £300K

Apply Now

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