Production scheduler Work, Jobs in Wheathampstead, Hrt (with Salaries)

Inference Engine Development - Member of Technical Staff
Callosum —London
- £101,000 - £192,000 a year
- Full-time
- C++
- APIs
- Python
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Applied AI Solution Engineer
At Beyond —London
- £45,000 - £60,000 a year
- Full-time
- Hybrid work
- Azure
- Oracle
- Master's degree
Quick apply
Sr. Applied AI Solution Engineer
At Beyond —London
- £65,000 - £80,000 a year
- Full-time
- Hybrid work
- Azure
- Oracle
- Master's degree
Quick apply
Staff / Senior Software Engineer (Agentic Search) - Crawler
Nebius —London
- C++
- APIs
Quick apply
Senior Backend Software Engineer - Backend Systems
Radiant —London
- Full-time
- Hybrid work
- Computer networking
- APIs
- Annual leave
Quick apply
Data Engineer
Outra —Chelsea
- Full-time
- Hybrid work
- Azure
- Computer Science
- Engineering
Quick apply
HGV Driver - Panavision London
Panavision —London
- Full-time
Quick apply
1d
Lead Engineer, Trading Platform Engineering
Bullish Global —London
- Full-time
- Java
- Computer networking
- Linux
Sr. Software Engineer, Inference
CoreWeave Europe —London
- Computer Science
- Master's degree
- C++
- Employee assistance programme
Quick apply
5d
Planner Scheduler
DS Smith —Blunham
- Full-time
- Maintenance
- Organisational skills
- Communication skills
- Employee assistance programme
- Life insurance
7d
Material Planner
Lockheed Martin Corporation —Ampthill
- £34,000 - £380,000 a year
- Full-time
- Microsoft Excel
- Microsoft Office
- Communication skills
- Employee assistance programme
- Employee discount
7d
Channels Operations Assistant, Studios
IMG —London
- Weekend availability
- Microsoft Powerpoint
- Microsoft Word
- Microsoft Excel
8d
ML Infrastructure Engineer
White Circle —London
- £180,000 - £350,000 a year
- Full-time
- Hybrid work
- English
- Master's degree
- C++
- Relocation assistance
- Annual leave
Software Engineer, Agent Systems
Normal Computing Corporation —London
- £150,000 - £265,000 a year
- Full-time
- Hybrid work
- APIs
- IT
- AI
4h
Software Engineer, Compute
Vercel —London
- Full-time
- Remote
- JavaScript
- Linux
- In-person
- Work from home
Staff DevOps Engineer
Ripple —London
- Full-time
- DevOps
- Java
- AWS
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Staff Software Engineer, Platform Infrastructure
Astronomer —London
- Full-time
- Azure
- AWS
- Driving
Software Engineer (Python) - Beacon Core Engineer
Clearwater Analytics, Ltd. —London
- Computer Science
- Microsoft Office
- C++
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16h
Sr. Software Development Engineer
Clearwater Analytics, Ltd. —London
- Computer Science
- Microsoft Office
- C++
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16h

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Inference Engine Development - Member of Technical Staff

Callosum
London

Quick apply

Job details

Full-time
£101,000 - £192,000 a year

Benefits

UK visa sponsorship
Private medical insurance

Qualifications

C++
APIs
Python

Full job description

About Us

The last era of AI scaled on a single bet: bigger models, more identical chips, more data. As problems grow more complex and the requirements of intelligence more diverse, that bet is breaking down. Real-world problems are heterogeneous: no single model or chip can solve them alone. The next era of AI requires heterogeneity at the infrastructure level - diverse models on diverse chips, each with distinct strengths, co-evolving into systems of capability that move the Pareto frontier of what is possible. That's what we are building.

Callosum is the Intelligent Systems Company. We started from questioning what actually creates intelligence. We believe there is no single answer, but rather a system-level solution. We co-evolve models, workflows, and silicon together to show that intelligence does not come from a single component, but it emerges from the diversity of co-optimised mechanisms working together and aware of each other. Heterogeneity will define the next era of compute, and is a principle that holds in biological, neuronal, and economic systems alike.

In early 2026 we launched with results showing orders of magnitude improvements in performance, and this is only the beginning. Agentic AI is the future of how intelligence is deployed: multi-step, long-horizon, and operating in changing environments. These systems are inherently heterogeneous, and can only be as powerful as the infrastructure that runs them.

We are engineers and scientists based in London, working together across the full depth of the stack. We are curious, intellectually honest, and building what doesn't exist yet. If you thrive on uncharted territory and are energised by the scale of the challenge, we'd love to hear from you.

About the Role

Callosum believes that orders of magnitude improvements in AI systems will come through application-aware orchestration across heterogeneous hardware. We are building that vision: infrastructure that treats the full landscape of compute as a unified, co-evolving system, evolved beyond GPUs.

Inference engines were designed for single-model inference on homogeneous GPU clusters - this role builds them beyond that. Working directly on systems like vLLM and SGLang, you will adapt and extend them for heterogeneous resources, making them hardware-aware, with deeper optimisation around scheduling, memory, and execution. The execution strategies you design - parallelism, disaggregation, caching - will define what heterogeneous inference looks like at production scale. Your work ensures that the capabilities exposed by the lower layers of the stack translate into real, measurable gains, the new standard for how inference runs on diverse hardware.

What You'll Build

Contribute upstream to SGLang and vLLM, and maintain internal forks where our requirements diverge
Improve hardware-awareness within inference engines so that scheduling, memory management, and execution adapt to the capabilities of the underlying accelerator
Design and implement bespoke parallelism and disaggregation strategies that go beyond default configurations to better exploit heterogeneous hardware
Work closely with an Accelerator Systems Software engineer to ensure engine-level abstractions map cleanly onto diverse hardware capabilities

What Sets You Apart

Deep familiarity with the internals of SGLang, vLLM, or comparable inference serving frameworks - scheduler design, memory management, and execution pipelines
Strong background in high-performance Python and C++/CUDA systems, particularly in the context of ML inference
Experience designing or implementing parallelism strategies for large model serving
Understanding of disaggregated serving architectures and the tradeoffs involved in separating modules of a workflow
Demonstrable record of working effectively in fast-moving open source codebases with evolving APIs and design conventions

What We Offer

Competitive Salary, determined by skills and experience
Equity & Ownership
Private healthcare
We offer Visa sponsorship and relocation benefits to hire the best in the world
We work in person at our London office. You'll have the tools, space and setup to do your best work, and if you have specific needs, just tell us

We're committed to building an inclusive workplace where everyone feels welcome, and believe in equal opportunities for all.

Compensation Range: £101K - £192K

Quick apply

Refine Your Search

production scheduler jobs in wheathampstead, hrt

Inference Engine Development - Member of Technical Staff

Applied AI Solution Engineer

Sr. Applied AI Solution Engineer

Staff / Senior Software Engineer (Agentic Search) - Crawler

Senior Backend Software Engineer - Backend Systems

Data Engineer

HGV Driver - Panavision London

Lead Engineer, Trading Platform Engineering

Sr. Software Engineer, Inference

Planner Scheduler

Material Planner

Channels Operations Assistant, Studios

ML Infrastructure Engineer

Software Engineer, Agent Systems

Software Engineer, Compute

Staff DevOps Engineer

Staff Software Engineer, Platform Infrastructure

Software Engineer (Python) - Beacon Core Engineer

Sr. Software Development Engineer

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