Deep Learning Compiler Engineer in United Kingdom

About Graphcore Graphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. Together, they share a bold vision: to enable Artificial Super Intelligence and ensure its benefits are accessible to everyone. Graphcore’s teams are drawn from diverse backgrounds and bring a broad range of skills and perspectives. A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore enjoys a culture of continuous learning and constant innovation. Job Summary We are looking for a Principal Architect to define and drive the architectural vision of the software stack for the Graphcore ML accelerator. In this role, you will shape the architecture of our software ecosystem and maintain a deep understanding of the product’s hardware and software components, their interfaces, and how they interact. You are an excellent communicator, and you proactively convey the software architecture. You bring a pragmatic, trade-off-aware approach to decision-making, fully recognising the impact of architectural choices on product direction and engineering outcomes. The Team The software architecture team is responsible for defining, maintaining and communicating the overarching architecture of our software stack, from firmware to ML frameworks. The team works within the wider software organisation, partnering closely with engineering teams who deliver against this architectural vision. Responsibilities and Duties Define & document the software architecture of the software stack. Work across different software

About the Team The Platform Systems team at OpenAI operates at the intersection of cutting-edge AI and large-scale distributed systems. We build the engineering and research infrastructure required to train OpenAI’s flagship models on some of the world’s largest, custom-built supercomputers. Our team develops core model training software and works deep in the stack - spanning collective communication, compute efficiency, parallelism strategies, fault tolerance, failure detection, and observability. The systems we build are foundational to OpenAI’s research velocity, enabling reliable, efficient training at frontier scale. We collaborate closely with researchers across the organization, continuously incorporating learnings from across OpenAI into the evolution of our training platform. About the Role As a Software Engineer, Platform Systems, you will design and build distributed systems that provide visibility into large-scale training workloads and help operate them reliably at scale. You’ll work on failure detection, tracing, and observability systems that identify slow or faulty nodes, surface performance bottlenecks, and help engineers understand and optimize massive distributed training jobs. This infrastructure is critical to operating OpenAI’s training stack and is actively evolving to support new use cases and increasingly complex workloads. This role sits at the core of our training infrastructure, blending systems engineering, performance analysis, and large-scale debugging. In This Role, You Will Design and build distributed failure detection, tracing, and profiling systems for large-scale AI training jobs Develop tooling to identify slow, faulty, or misbehaving nodes and provide actionable visibility into system behavior Improve observability, reliability, and performance across OpenAI’s training platform Debug and resolve issues in complex, high-throughput distributed systems Collaborate with systems, infrastructure, and research teams to evolve platform

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’re seeking an exceptional iOS engineer to join a small, high-impact team dedicated to creating the world’s most valuable AI application, judged by the impact it delivers to users. You’ll shape cutting-edge mobile experiences, blending technical mastery with product brilliance. RESPONSIBILITIES: Dream up and craft delightful, intuitive user experiences that redefine how people interact with AI on mobile. Obsess over every pixel, animation, and interaction, ensuring the experience feels magical and seamless. Build blazing-fast, highly performant systems where every millisecond counts. Drive technical and product decisions, collaborating with AI researchers and engineers to deploy state-of-the-art models globally. BASIC QUALIFICATIONS: Expert in Swift, with deep knowledge of SwiftUI and UIKit. Proficient in performance optimization—memory, CPU, GPU—using low-level tools to deliver blazing-fast systems. Experienced in designing and shipping intuitive, pixel-perfect mobile UIs that redefine how users interact with AI. Skilled in concurrency and reactive programming (Combine) for responsive, real-time apps. Built high-throughput integrations with APIs (REST, gRPC) or AI model outputs, ensuring seamless data

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™️ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role: Reporting to the Global Private Equity Practice Leader, you will drive strategic engagements with Zscaler’s Private Equity (PE) Partners. Through the Zscaler PE360 Program, you will help PE partners build cyber resiliency, boost EBITDA, mitigate risk, and accelerate value creation across portfolio companies using the Zscaler Zero Trust platform. As the primary Zscaler lead for PE firms, you will manage strategic relationships, negotiate commercial frameworks, ensure governance, and oversee portfolio outcomes. You will originate opportunities and drive value-based sales cycles tailored to each portfolio company, mobilizing Zscaler specialists, solution engineers, and experts to translate tech capabilities into clear investment impact for key stakeholders. What you'll do (Role Expectations) Strategic Relationship Management: Serve as the primary point of contact for Private Equity partners, building high-trust relati

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™️ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role: We are looking for a Senior Manager, People Success EMEA to join our team. This is a Hybrid role based in London, reporting to the Head of People Success in the People & Culture department. As Zscaler builds an AI-native, high-performance organization, you will serve as the senior regional partner responsible for translating global talent, leadership, and capability strategies into high-impact execution across EMEA. What you’ll do (Role Expectations) Partner with EMEA business leaders and HRBPs to diagnose strategic talent priorities and align targeted People Success interventions Drive regional activation and adoption of enterprise talent, leadership, and performance strategies across diverse EMEA markets Consult with senior leaders to strengthen manager effectiveness, team performance, and critical capability development Translate workforce data, succession metrics, and capability insights into actionable reg

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

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™️ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for an Account Executive to join our team. This is a Hybrid role, reporting to the Regional Director in the Sales and Go-to-Market department. The Zscaler Sales and Go-to-Market team is a global group of professionals who are passionate about delighting our customers, nurturing trusted partnerships, and sharing their expertise to drive a secure, cloud-enabled digital future and further cement our position as the world leader in cloud security. Sales, Customer Success, Sales Enablement, Solution Architects, Business Development, Transformation, and Technology Partnerships all work together to demonstrate the power and agility of Zscaler cloud transformation to the world. What you’ll do (Role Expectations) Manage an assigned territory focused on net new logo and upsell opportunities across the UK market within mixed verticals Drive revenue growth by selling into major level accounts (40,000 users + ) Pa

We’re looking for an Account Intelligence & Outbound Specialist to help us create meaningful outbound engagement and pipeline opportunities across priority global strategic accounts. You’ll use Talkwalker insights, market signals, account research and hands-on outbound to build commercially relevant, account specific-outbound that creates movement in the accounts that matter most by identifying the right people, moments and messages to activate complex enterprise accounts working alongside two Global Strategic Account Managers. You will be reporting to the Director, Outbound Strategy. Please note that the role may include 10% of travel to events; other Hootsuite offices, etc. WHAT YOU’LL DO: Conduct deep research across priority global strategic accounts to understand their business context, market environment, brand activity, audience sentiment, competitive landscape and relevant commercial signals. Leverage Talkwalker insights, social listening, news, campaign activity, reputation signals and account history to identify timely and relevant reasons to engage prospective customers. Identify and map complex buying groups, decision-makers, influencers and stakeholders across global strategic accounts, including marketing, communications, social media, insights, customer care, digital, analytics, procurement, legal, security, Data Privacy, regional teams and executive leadership. Design and execute insight-led, account-specific outbound strategies across email, phone, LinkedIn and other relevant channels, using commercial relevance rather than generic product messaging. Develop high-value account intelligence assets including signal summaries, one-page account memos, Talkwalker insight snapshots, competitor views, pre-mortems, executive questions and buying-group maps to support strategic account activation. Act as a strategic partner to Global Strategic & Principal Account Executives by jointly prioritizing accounts, align on account strategy, and deter

We are seeking a highly technical and strategic Developer Relations Manager to join our team, with a focus on engaging developer ecosystems across emerging technology domains. In this pivotal role, you will work directly with software solution providers, developers, and industry professionals to foster the adoption of NVIDIA’s advanced AI and computing platforms. The ideal candidate brings a blend of deep technical expertise and commercial go-to-market experience, combined with a passion for developer advocacy and a talent for communicating how NVIDIA technology can solve complex, real-world challenges. NVIDIA is seeking a senior Developer Relations leader to accelerate the integration of NVIDIA technologies across the Energy & Utilities ecosystem in EMEA. This role will focus primarily on the electric power and utilities industry , working with leading software vendors, technology partners, utilities, engineering companies, and energy infrastructure providers to help integrate NVIDIA accelerated computing, AI, simulation, digital twin, and edge technologies into industry software platforms and solutions. The ideal candidate combines strong energy industry domain expertise , technical depth, partner engagement experience, and the ability to identify and develop strategic opportunities with Independent Software Vendors (ISVs). Approximately 80% of the role will focus on utilities, electrical power systems, grid software and related ISVs , with approximately 20% supporting Oil & Gas and adjacent energy applications . What You'll

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

Our Key Accounts Executive will target and close new business within the largest, most strategic prospects in key, high potential companies. In this role you’ll be focused on understanding and uncovering the pain points these companies face as they operate in or migrate to a cloud environment at scale as well as delivering the appropriate Datadog solution. At Datadog, we place value in our office culture - the relationships and collaboration it builds and the creativity it brings to the table. We operate as a hybrid workplace to ensure our Datadogs can create a work-life harmony that best fits them. What You’ll Do: Develop and execute an outbound prospecting strategy tailored to specific Fortune 100 accounts Drive a strategic, multi-threaded sales motion spanning multiple stakeholders and product suites Cross-sell and navigate throughout complex accounts Create, own, and grow your own accounts, demonstrating the value of the Datadog platform Develop a deep comprehension of customer's business Work cross-functionally with marketing, and solutions engineering to drive coordinated efforts that support the outbound prospecting strategy Negotiate favorable pricing and business terms with large commercial enterprises by selling value and ROI Demonstrate resourcefulness when faced with challenges that defy easy solution Have intuitive sense of necessary steps to close business and gain customer validation Identify robust set of business drivers behind all opportunities Ensure high forecasting accuracy and consistency Who You Are: Someone with 5+ years Enterprise Sales experience selling into Fortune 100 companies with the ability to win new logos Driven and have met/exceeded direct sales goals of 1M+ and operated with an average deal size of $100k+ Able to demonstrate methodology to prospect and build pipeline on your own Experienced in working for an innovative tech company (SaaS, IT infrastructure or similar preferred) Self-starter mindset and resourceful by nature

About the Team OpenAI’s Applied AI Engineering team helps organizations turn frontier AI capabilities into safe, reliable, and high-impact production systems. We work with customer executives, product and engineering teams, security leaders, and transformation teams to identify valuable opportunities, accelerate technical implementation, and scale what works. Enterprise deployments are defined by complexity rather than any one industry: existing architectures, diverse data environments, security and governance requirements, multiple stakeholder groups, and organization-wide change. We turn lessons from these deployments into better products and reusable patterns for customers everywhere. About the Role As an Applied AI Engineer you will partner directly with leading organizations to design, build, and deploy AI systems that deliver measurable business outcomes. You will combine deep technical judgment, hands-on engineering, and customer leadership to take ambitious ideas from use-case selection and architecture through prototyping, evaluation, production launch, and scale. You will write and debug code, build evaluation systems, resolve complex integrations, and guide decisions involving model behavior, reliability, latency, cost, safety, security, governance, and operational readiness. Success is measured by production systems, sustained adoption, and meaningful customer impact—not simply activity or successful demonstrations. This is a rare opportunity to work on consequential real-world deployments at the frontier of AI while directly influencing how OpenAI’s products evolve. This role is based in London. We use a hybrid work model of 3 days in the office per week and offer relocation assistance to new employees In this role, you will: Partner directly with enterprise customers to identify high-value opportunities and translate them into technical architectures, implementation plans, evaluation strategies, and measurable success criteria. Design, build, and deplo

At Linear, we're building the product development system for teams and agents. AI is fundamentally changing how software gets built, and we’re shaping the tools this new era requires. Founded in 2019, Linear has become the platform of choice for more than 40,000 companies (including OpenAI, Coinbase, and Ramp) to plan, build, and ship their products. Today, our team is distributed across North America, Europe, and Australia, and we’re continuing to grow internationally. What unites us is relentless focus, fast execution, and a deep care for software craftsmanship. We’re hiring a Product Marketing Manager to help shape how Linear’s products are brought to market and understood by customers. This role sits at the intersection of Product, Engineering, Design, CX, Sales, and Marketing, and is responsible for turning technically sophisticated product work into clear narratives, strong launches, and high-quality customer-facing experiences. You’ll go deep on the product, define positioning and messaging, and drive execution across the surfaces that matter most—from in-product copy and changelogs to enablement, documentation inputs, email, and launch communications. This is a hands-on role for someone who combines product judgment, excellent writing, and strong cross-functional leadership. Location & work mode Linear is a remote-first company, with optional co-working offices in San Francisco, New York, and London. This role is open to candidates based in North America and the United Kingdom. You can work from anywhere within these regions. We value deep focus and async collaboration, with intentional moments to connect in person through team off-sites, optional co-working, and occasional travel. What you’ll do Develop positioning, messaging, and core narratives for feature releases, key launches, and strategic product narratives Partner closely with Product management, Engineering, and Design to refine how products are presented across in-product and external surfaces

At Linear, we're building the product development system for teams and agents. AI is fundamentally changing how software gets built, and we’re shaping the tools this new era requires. Founded in 2019, Linear has become the platform of choice for more than 40,000 companies (including OpenAI, Coinbase, and Ramp) to plan, build, and ship their products. Today, our team is distributed across North America, Europe, and Australia, and we’re continuing to grow internationally. What unites us is relentless focus, fast execution, and a deep care for software craftsmanship. As a Solutions Engineer at Linear, you will be the technical guide across the customer lifecycle, from evaluation and close through onboarding and expansion. Partnering most closely with Sales, you will drive revenue by leading technical discovery, demos, proof-of-concepts, and solution design for prospects and existing customers. You will stay engaged through onboarding to ensure technical continuity, and provide clear handoffs to Customer Success that capture context, decisions, risks, and next steps. You will also codify repeatable patterns through demo environments, migration and integration playbooks, and enablement for new sales hires. Location & work mode This role is anchored to our London hub. We’re looking for someone who can work from our London office in Shoreditch 3 days per week (Mondays, Tuesdays, Thursdays), with flexibility around scheduling, as this role will be closely connected to in-person collaboration with our growing sales presence in the region. What You’ll Do Act as the customer’s technical advisor across the lifecycle, partnering with Sales and Customer Success to ensure continuity from evaluation through onboarding and expansion, with a primary focus on pre-sales revenue impact. Lead technical discovery and architecture for strategic prospects and existing customers; translate customer workflows into Linear configuration, data model, permissions, and integration patterns. Ru

Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide, Replit is democratizing software development by removing traditional barriers to application creation. As a Premium Support Engineer at Replit, you’ll be the front line for our highest-value customers — delivering fast, expert, and reliable technical support when it matters most. You’ll handle complex product issues, guide customers through critical incidents, and ensure every interaction meets the highest standard of quality and speed. Replit is at the forefront of AI-driven software development, and how we support customers is constantly evolving. You’ll play a critical role in shaping how Premium Support adapts to new products, new customer expectations, and AI-assisted workflows, operating effectively in ambiguity and driving clarity for your team. You’ll combine deep technical troubleshooting with calm, confident communication to keep builders moving — whether it’s an enterprise team deploying at scale or a top-tier developer relying on Replit to power their business. In this role you will: Provide swift, high-priority support to Premium customers, responding within strict SLAs. Diagnose, reproduce, and resolve complex technical issues across the Replit platform. Escalate and track high-impact issues with Product and Engineering, ensuring timely fixes and transparent communication. Lead customer-facing communications during outages or incidents. Identify recurring issues and collaborate internally to reduce time-to-resolution. Contribute to internal tooling, automation, and documentation that improves team efficiency. Partner with Engineering, Product, Sales and other internal teams to ensure Premium customers receive a consistent, high-quality experience. Help onboard and mentor other support engineers, raising the team’s overall bar for responsiveness and quality. Required skills and experience: 3+ years in techn