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

Senior Research Engineer
Decagon —London
- £200,000 - £300,000 a year
- Full-time
- AI
- Python
- Life insurance
Senior IT Support Engineer - UK - Hybrid
Brave —London
- £100,000 - £120,000 a year
- Customer service
- JavaScript
- Organisational skills
Senior Consultant Engineer
Equans —London
- £45,000 - £65,000 a year
- Full-time
- Sales
- Engineering
- Master's degree
- Annual leave
- Employee assistance programme
Senior Product Designer
Yonder —London
- £82,000 - £104,000 a year
- Hybrid work
- Annual leave
Senior Product Engineer
Ankar —London
- £160,000 - £300,000 a year
- Full-time
- Hybrid work
- Travel
- No travel
Senior Product Engineer
Healthtech-1 —London
- £125,000 a year
- Overtime
- APIs
- AI
- School
- Annual leave
- Work from home
Senior Research Engineer
IXICO —London
- Full-time
- Hybrid work
- Doctoral degree
- Presentation skills
- Machine learning
- Annual leave
- Employee assistance programme
Technical Architect
Anthropic —London
- £180,000 - £225,000 a year
- Hybrid work
- Master's degree
- Bachelor's degree
- Travel
- Flexible schedule
Senior QA Engineer
TPXImpact —London
- SQL
- Scripting
- APIs
- Employee assistance programme
Senior Research Engineer
Imagination Technologies —Kings Langley
- Doctoral degree
- Computer Science
- Engineering
13d
Senior Software Engineer II (Java/ Spring)
RELX —London
- £100,400 - £167,300 a year
- Full-time
- Java
- AWS
- APIs
- Employee assistance programme
- Employee discount
ML Research Engineer
White Circle —London
- £120,000 - £250,000 a year
- Full-time
- Hybrid work
- English
- SQL
- Python
- Relocation assistance
- Annual leave
7d
Senior Product Designer
Mimecast —London
- £68,000 - £102,000 a year
- Full-time
- Analysis skills
- Agile
- IT
Senior Product Engineer
Alecto Legal —London
- £100,000 - £125,000 a year
- Full-time
- Hybrid work
- Machine learning
- Financial services
Quick apply
Senior Software Engineer II (Java/ Spring)
Elsevier —London
- £100,400 - £167,300 a year
- Full-time
- Java
- AWS
- APIs
- Employee assistance programme
- Employee discount
Senior Platform Engineer, Dashboard Platform
Algolia —London
- £82,500 - £114,800 a year
- Remote
- English
- AWS
- JavaScript
- Work from home
Technical Risk Adviser
MI6 - Secret Intelligence Service —London
- £75,882 - £94,754 a year
- Part-time
- Presentation skills
- Annual leave
6d
Platform Engineer
Secret Intelligence Service —London
- £66,332 a year
- Part-time
- DevOps
- Java
- Software development
- Annual leave
- Flexitime
12d
Data Scientist, Mid/Senior (m/f/*)
Quaisr —London
- £60,000 - £85,000 a year
- Full-time
- Hybrid work
- Doctoral degree
- Machine learning
- Linux
- Annual leave
Senior Software Engineer I - Onboarding Experience
Wise Australia Investments —London
- £87,500 - £111,000 a year
- Java
- Machine learning
- Communication skills

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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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