Jobs in United Kingdom

Model Behavior Engineer in United Kingdom

159 active opportunities · Updated October 2026

Explore current model behavior engineer jobs across United Kingdom. Filter by work mode, employment type, experience, department, date posted and distance.

S
📍 London, England, United Kingdom· Full-time
✓ High-confidence listing

£107K – £262K/yr

Quick readStrong listing-quality and freshness signals

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: The Sandbox service team at SpaceXAI builds and maintains a secure, scalable system that gives our models safe, controlled access to computational environments. This infrastructure powers critical workloads across training and product, enabling models to run code, build software, interact with tools, and even control applications with user interfaces. We provision containers and virtual machines on large-scale clusters, granting models interactive control over these remote environments. Our work spans the full stack: from orchestrating massive jobs and resource scheduling at the cluster level, to fine-tuning filesystem performance on nodes. The Sandbox service enables Grok to safely run and test code in real-time for user queries, and supports reinforcement learning in training, where models interactively explore tools ranging from compilers to productivity apps. BASIC QUALIFICATIONS: Expert knowledge of Rust, C++ or Go Familiarity with Python Deep experience with either Linux or Windows systems (familiarity with both is a strong plus) Experience with virtualisation and containerisation technologies (e.g., cgroups, KVM, gVisor, QEMU) Solid knowledge of the networking stack COMPENSATION AND BENEFITS: £107,000 -

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YG
📍 London, England, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About Yondr Yondr is a disruptor. We challenge convention and simplify complexity. A global developer, owner operator and service provider of data centers, we deliver complex data center capacity needs for the world’s largest tech companies. Our exponential growth sees us looking for extraordinary people to help accelerate us towards our vision: a tomorrow without constraints. But we can’t do this without you. About the Role With continued growth across our business, we are actively seeking to have a new member join our team. This is an exciting role to join an existing group of skilled development and investment professionals, enhancing the team capabilities and becoming an integral part of a rapidly growing business. We are searching for someone who has excellent quantitative and analytical skills, is comfortable building financial models and has experience with communicating with internal and external stakeholders. You will be a highly valued and trusted member of our ambitious and hardworking team, in a business that continues to scale to new heights. Main Responsibilities / Take responsibility for development and management of financial models and valuation analysis in support of potential transactions and investment opportunities / Support in all aspects of financing processes included due diligence, project management, data room management, financial analysis, legal negotiations and preparation of materials / Work closely with the Development and Finance teams to perform detailed financial analysis on new developments as well as existing portfolio assets / Production of presentation material for senior management, board members, investors, lenders and joint venture partners / Assist with commercial negotiation of legal contracts for transactions / Research and analysis of market trends and sector / asset valuations / Support in business strategy and individual project delivery /

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PG
📍 Liverpool, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play — it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology company, delivering cutting-edge hardware and network services to more than 100 million people and an entertainment leader, home to some of the most beloved and recognizable intellectual properties (IP) in the world. Our role at SIE is to create and nurture the experiences under the PlayStation brand, a name synonymous with entertainment excellence and creativity. Role Overview: PlayStation Studios Finance team is seeking a Manager, FP&A, Creative and Services to join the team. This role will be a key finance partner to Creative Arts, Localisation, and Co-Development studios teams, with direct ownership of financial planning, forecasting, reporting, variance analysis, and business support for Sound and Music teams within Creative Arts. The role will manage two analysts who support broader Creative Arts, Localisation, and Co-Development studios finance activities. The Manager will help business partners understand financial insights, identify risks and opportunities, support cost optimisation, and drive informed decision-making. The ideal candidate is a strong business partner and people leader with excellent analytical skills, sound judgment, and the ability to communicate complex financial information clearly. You are comfortable building financial models, driving process improvement, supporting business cases, and developing a high-performing team. This role, hybrid or remote, will preferably be based in Canada or the UK, and will report to the ‘Sr. Manager, FP&A - Tech, Creative, and Services’ who is based out of San Mateo, CA US. What You’ll Be Doing: Lead financial planning, forecasting, and reporting for

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F
📍 London, England, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

Fin is the AI Customer Agent company on a mission to help businesses provide perfect customer experiences. Our AI Agent Fin is the highest-performing AI Customer Agent on the market today, enabling businesses to deliver impeccable, always-on customer support across the customer journey – from service, to sales, to ecommerce. Powered by our own AI models, Fin resolves complex customer issues end-to-end across every channel, with minimal set-up and integration. Fin can also be combined with our natively integrated Intercom help desk for one single system that is designed to meet the needs of modern day support teams. Founded in 2011, Fin became one of the fastest growing companies and remains one of the largest private software companies in the world with nearly 30,000 global businesses using our products to transform their customer support. Driven by our core values, we push boundaries, build with speed and intensity, and relentlessly deliver incredible value to our customers. What’s the opportunity? Fin's websites, including fin.ai , are strategic growth levers for the company — powering storytelling, brand, experimentation, and product discovery. As our Staff Engineer, you will shape the technical direction and architectural evolution of our web platform and systems. You’ll act as the technical leader across our marketing and growth web surfaces. This is a cross-functional engineering leadership role, partnering with marketing, analytics, design, data science, and engineering teams — to ensure our web stack is modern, performant, measurable, and delightful to build on. You’ll operate with a high degree of autonomy and will be accountable for setting the long-term technical strategy for the team and executing against it. What will I be doing? As a senior technical leader, you will: Own and evolve the architecture of Fin's web platform. Define the long-term technical strategy for the web team, focusing on scalability, performance, developer productivity, o

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F
📍 London, England, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

Fin is the AI Customer Agent company on a mission to help businesses provide perfect customer experiences. Our AI Agent Fin is the highest-performing AI Customer Agent on the market today, enabling businesses to deliver impeccable, always-on customer support across the customer journey – from service, to sales, to ecommerce. Powered by our own AI models, Fin resolves complex customer issues end-to-end across every channel, with minimal set-up and integration. Fin can also be combined with our natively integrated Intercom help desk for one single system that is designed to meet the needs of modern day support teams. Founded in 2011, Fin became one of the fastest growing companies and remains one of the largest private software companies in the world with nearly 30,000 global businesses using our products to transform their customer support. Driven by our core values, we push boundaries, build with speed and intensity, and relentlessly deliver incredible value to our customers. We’re looking for a Senior Product Manager to join our team and help shape the future of business messaging and AI-powered customer engagement. This is a career-defining opportunity to lead a world-class team of engineers, designers, and researchers to deliver products that touch millions of people every day. What will I be doing? Be the Product Manager for the Messenger, Fin’s most important channel Deeply understand the customer problems you’re tackling through research, data, and direct customer interactions — then frame those problems clearly for your team. Manage the roadmap; defining what should be built, when and why - and communicate it to generate alignment and excitement. Collaborate with engineers and designers to imagine, build, and ship solutions, from bold future visions to small, focused iterations. Leverage AI to increase your own efficiency, accelerate product development, and multiply your team’s impact. Evaluate impact through quantitative

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N
📍 Remote, United Kingdom· Remote
✓ Quality checkedCompany trend -100%

We are seeking a highly technical and strategic Account Manager, Developer Relations to join our team, with a focus on engaging software companies and developer ecosystems across emerging technology domains. In this pivotal role, you will work directly with a small, strategic set of software solution providers (and their developers) to champion the adoption of NVIDIA’s advanced AI and computing platforms. Your mission is to partner with software companies to build AI agent-powered tools and integrate AI into their products making use of the NVIDIA platform, including open models and software frameworks and libraries. The ideal candidate brings a blend of deep technical expertise, experience in technical account management, and combines these with a passion for developer advocacy, business development and a talent for communicating how NVIDIA technology can solve complex, real-world challenges. What You'll Be Doing Establish relationships (both technical and business) at every level with a small set of strategic, regionally important software companies, and develop and implement a strategy to integrate the NVIDIA platform into these company’s products. Develop and maintain deep technical expertise in agentic AI systems, open models, data science applications, and GPU-accelerated computing. Serve as the trusted technical advisor, problem solver, and champion for the developers within the software companies you support, collaborating with cross-functional partners to drive adoption of NVIDIA technologies. Accelerate critical software company workloads by demonstrating and integrating the NVIDIA software stack (tools, libraries, SDKs, open models, NIMs, and blueprints) into partner products, platforms, and pipelines. Guide partners through onboarding and integrati

I
📍 London, England, United Kingdom
✓ Quality checked

Fin is the AI Customer Agent company on a mission to help businesses provide perfect customer experiences. Our AI Agent Fin is the highest-performing AI Customer Agent on the market today, enabling businesses to deliver impeccable, always-on customer support across the customer journey – from service, to sales, to ecommerce. Powered by our own AI models, Fin resolves complex customer issues end-to-end across every channel, with minimal set-up and integration. Fin can also be combined with our natively integrated Intercom help desk for one single system that is designed to meet the needs of modern day support teams. Founded in 2011, Fin became one of the fastest growing companies and remains one of the largest private software companies in the world with nearly 30,000 global businesses using our products to transform their customer support. Driven by our core values, we push boundaries, build with speed and intensity, and relentlessly deliver incredible value to our customers. What's the opportunity? We’re seeking a transformational Solutions Engineering leader to lead our SE team within the EMEA region. You’ll be a pivotal figure in helping Intercom scale its AI-driven support platform to some of the world’s most well-known brands. This role will shape how we engage with large, complex organizations, defining our go-to-market, building a world-class team, and delivering tangible customer outcomes through innovation and credibility. This role is both strategic and hands-on. You will lead a Solutions Engineering team focused on winning complex deals, creating vertical-specific solution architectures, and building repeatable playbooks. We believe in leaders who are open to be a player and a coach, regardless of seniority. You’ll collaborate closely with Sales, Success, Product, Engineering, and Services to deliver customer transformation through Intercom’s AI-first platform – be it through strategic guidance as a senior leader on the team, or securing deals with

PE
📍 United Kingdom· Full-time· Hybrid
✓ Quality checked

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Palantir Foundry is an end-to-end platform for data-driven decision-making. We're transforming the way organizations securely integrate their data, so they can then build reliable, critical applications atop that unified foundation. Our customers use Foundry to perform rich analyses that drive core operations within their organizations. They can also build sophisticated, full-fledged programs, such as common operating pictures, alert-triaging inboxes, and resource allocation planning tools driven by rich-ML models. As a Senior Front End Software Engineer focused on application development in Foundry, you will be responsible for crafting the tools used by thousands of users to build the sophisticated applications that power their businesses. You will be architecting and developing interfaces, state management and access patterns to support data-intensive workflows that are both powerful and approachable. You may spend one day interviewing users to better understand their needs and identifying product gaps to improve. The next day, you might find yourself considering that customer context along with signal gathered from other customers in different industries, brainstorming approaches to handling intricate UX needs with your teammates. You’ll regularly be faced with sophisticated technical problems, requiring you to scope out the solution design and finding an incremental path to shipping the new features. As part of this, you will own APIs and schemas that power your frontend code, or work with other backend engineers in developing them together. We’re hiring engineers who are passionate about solving real-world problems and empowering both developers

PE
📍 United Kingdom· Full-time· Hybrid
✓ Quality checked

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Palantir Foundry is an end-to-end platform for data-driven decision-making. We're transforming the way organisations securely integrate their data, so they can then build reliable, critical applications atop that unified foundation. Our customers use Foundry to perform rich analyses that drive core operations within their organisations. They can also build sophisticated, full-fledged programs, such as common operating pictures, alert-triaging inboxes, and resource allocation planning tools driven by rich-ML models. As a Full Stack Engineer focused on application development in Foundry, you will be responsible for crafting the tools used by thousands of users to build the sophisticated applications that power their businesses. You will be architecting and developing interfaces, state management and access patterns to support data-intensive workflows that are both powerful and approachable. You may spend one day interviewing users to better understand their needs and identifying product gaps to improve. The next day, you might find yourself considering that customer context along with signal gathered from other customers in different industries, brainstorming approaches to handling intricate UX needs with your teammates. You’ll regularly be faced with sophisticated technical problems, requiring you to scope out the solution design and finding an incremental path to shipping the new features. As part of this, you will own APIs and schemas that power your frontend code, or work with other backend engineers in developing them together. We're hiring engineers who are passionate about solving real-world problems and empowering both customer app builders and

DC
📍 London, England, United Kingdom
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About The Role The Director, Strategic Alliances, EMEA will be responsible for defining and executing Diligent's partnerships strategy across the EMEA region as a senior individual contributor. This role will focus on identifying, structuring, and closing high-impact strategic partner-led deals that accelerate customer acquisition, expand Diligent's enterprise footprint, and drive revenue growth through partner resell and co-sell motions — with a particular focus on advisory and consulting firms (Big 4 and Tier 2) and large resellers/channel partners. This senior leader will develop deep insight into regional market dynamics and build the foundational partner ecosystem across advisory/consulting firms, resellers, and channel partners at the pace needed to match Diligent's rapid growth. This is fundamentally a builder's role — the person in this seat will need to build and own the region and its relationships largely from the ground up. This role requires close collaboration with Sales, Product, Marketing, and Customer Success teams. Success will be measured by partner-sourced and partner-influenced revenue, new logo acquisition, expansion of product usage through partners, and the establishment of scalable partnership models that can be operationalized as the business grows. Responsibilities Partnership Strategy & Execution Execute the EMEA partner strategy in alignment with Diligent's global objectives and regional go-to-market plans. Identify, prioritize, and secure strategic partnerships across advisory/consulting firms (Big 4 and Tier 2) Develop partner value propositions, commercial frameworks, and engagement models tailored to EMEA market needs. Establish repeatable partnership structures, playbooks, and success metrics that can scale over time as the region and partner base grow. Channel & Revenue Impact Drive partner-sourced and partner-influenced p

AIRecruitment
F
📍 London, England, United Kingdom
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

Figma is growing our team of passionate creatives and builders on a mission to make design accessible to all. Figma’s platform helps teams bring ideas to life—whether you're brainstorming, creating a prototype, translating designs into code, or iterating with AI. From idea to product, Figma empowers teams to streamline workflows, move faster, and work together in real time from anywhere in the world. If you're excited to shape the future of design and collaboration, join us! At Figma we believe design doesn’t end in a file or with your designer - it includes everything that goes into the product you ship: the production code that ties it all together, the systems and developer tools that make that code reliable, the context you provide to our AI agents, and the documentation that keeps everyone on the same page. The Roundtripping Area at Figma is redefining how Designers, PMs and Engineers collaborate. We are responsible for agentic workflows enabling ideation and prototyping on production codebases as well as accelerating the journey from design to code. In 2023, we launched Dev Mode, a suite of features that give developers everything they need to navigate design files and transform designs into code. In 2025, we introduced Figma’s MCP, accelerating how ideas get to production. Looking to the future, we aim to further reduce the barriers between design to code and code to design allowing ideation, prototyping and productionalising to happen seamlessly where it most makes sense. Our Roundtripping team is expanding, and we’re hiring AI Product Engineers across multiple levels in the UK. We’re looking for people who have built generative AI products and are eager to lead AI efforts end-to-end, from early ideas to production. Join us in shaping the future of AI at Figma. What you’ll do at Figma: Build and evolve Dev Mode our MCP tools and Make, Figma’s leading tools for dev/design collaboration Take part in building new 0→1 products within the agentic coding space Col

TypeScriptReactAI
S
📍 London, England, United Kingdom· Full-time
✓ High-confidence listing

£107K – £262K/yr

Quick readStrong listing-quality and freshness signals

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a talented Software Engineer to join our X Money team, focused on building a revolutionary global payment network that will serve over 600 million users and rival the world’s largest financial institutions. In this role, you will specialize in backend development, designing and optimizing robust microservices to ensure scalability, security, and reliability. You will support full-stack efforts, collaborate with cross-functional teams on payments, fraud detection, and compliance initiatives, and contribute to the creation of a high-scale financial products platform. This is an opportunity to work on greenfield projects in a fast-paced, startup-like environment, driving innovation at the intersection of AI and finance. RESPONSIBILITIES: Develop backend services, APIs, and data models to support high-volume, multi-user environments. Work with iOS, Android & Web client engineers to ship products. Design robust infrastructure and microservices for payments, transactions, growth, monetization, and engagement across platforms. Build and maintain fullstack features, including user dashboards, personalized experiences, content delivery, interactive tools, assessments, and real-time analytics. Le

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YG
📍 London, England, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About Yondr Yondr is a disruptor. We challenge convention and simplify complexity. A global developer, owner operator and service provider of data centers, we deliver complex data center capacity needs for the world’s largest tech companies. Our exponential growth sees us looking for extraordinary people to help accelerate us towards our vision: a tomorrow without constraints. But we can’t do this without you. About the Role Yondr Group, a global developer, owner and operator of hyperscale data centres, is seeking an experienced lawyer to support its growing EMEA business. Reporting to the Legal Director EMEA, the successful candidate will act as the primary legal adviser to Yondr's design, construction and operations teams across the EMEA region. The role will support the full project lifecycle, from development, procurement and financing through construction, completion and operations. The successful candidate will work closely with project delivery, commercial, procurement and operational teams, supporting projects involving a range of delivery models, funding structures and stakeholders, including customers, lenders, investors, contractors, consultants, utility providers and suppliers. The role will be expected to operate independently on day-to-day matters, leading legal support across Yondr's EMEA construction and operations portfolio whilst managing legal risk and stakeholder requirements. This includes ensuring project documentation appropriately reflects contractual, leasing, funding and other stakeholder requirements. Minimum Qualifications Qualified solicitor with 6+ years' PQE with significant experience in primarily non-contentious construction, infrastructure, energy or data centre projects (preferred). Have trained at a reputable law firm or within the legal function of a reputable data centre, construction, infrastructure, energy or technology business. Experience negotiating and managing com

RestAIGoRust
TI
📍 Manchester, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About THG Ingenuity THG Ingenuity is a fully integrated digital commerce ecosystem, designed to power brands without limits. Our global end-to-end tech platform is comprised of three products: THG Commerce, THG Studios, THG Fulfilment. Each represents a single, unified solution, overcoming challenges and taking brands direct-to-consumer. Our client portfolio includes globally recognised brands such as Coca-Cola, Nestle, Elemis, Homebase, and Proctor & Gamble. About The Role This is a broad-based analyst role sitting at the intersection of financial planning, commercial analysis, and business partnering. Reporting into the Head of Commercial Finance, the successful candidate will sit at the heart of the business, building a full P&L view across the group's divisions and understanding the commercial and operational drivers behind the numbers. The role suits someone analytically strong who enjoys varied work and can operate comfortably across both structured financial processes and more ambiguous commercial situations. Role Responsibilities FP&A Run the weekly forecast and month-end close process, coordinate and check BU submissions, produce packs with variance analysis and commentary Support reforecast cycles, coordinating inputs from budget holders and consolidating into management reporting Support cashflow and balance sheet modelling Support with the co-ordination and completion of the monthly board pack Build and maintain financial models to support planning and scenario analysis Contribute to process improvement initiatives within the finance function (e.g. automation/AI) Commercial Finance & Business Partnering Provide commercial analysis and challenge on contract pricing, renewals, and new business proposals Partner with operational and commercial teams, presenting analysis to build credibility as a trusted finance contact Gain exposure to the review and drafting of commercial contract clauses, working al

GitAIRustExcel
TI
📍 Manchester, United Kingdom· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About THG Ingenuity THG Ingenuity is a fully integrated digital commerce ecosystem, designed to power brands without limits. Our global end-to-end tech platform is comprised of three products: THG Commerce, THG Studios, THG Fulfilment. Each represents a single, unified solution, overcoming challenges and taking brands direct-to-consumer. Our client portfolio includes globally recognised brands such as Coca-Cola, Nestle, Elemis, Homebase, and Proctor & Gamble. Assistant Financial Controller - Fulfilment Operations Role Overview We are seeking an Assistant Financial Controller/Management Accountant to support the financial performance of THG Ingenuity's fulfilment operations. This role plays a key part in operational costing, commercial analysis, forecasting, budgeting and business partnering across multiple fulfilment sites. The successful candidate will work closely with Site Leads, Operational Leadership and Commercial teams to provide financial insight, challenge assumptions, improve profitability and support strategic decision-making. The role will also support new client onboarding activities, ensuring operational requirements are understood and reflected within financial models and forecasts. Key Responsibilities Business partner fulfilment Site Leads, supporting and challenging financial and operational performance. Own weekly forecasting processes & operational reporting for a designated fulfilment site. Produce and analyse Cost Per Unit (CPU) reporting, identifying risks and opportunities to improve profitability. Deliver weekly and monthly variance analysis against forecast, budget and prior year. Support annual budgeting and periodic reforecasting activities. Support financial requirements for new client onboarding and implementation projects. Review labour, warehousing and operational cost performance, driving accountability across sites. Assist with month-end activities, reporting and financial controls. Identify opportunities t

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