Senior Cloud Infrastructure Engineer at Smarkets | London

Join Us at Smarkets!Leading the Future of BettingAt Smarkets, we operate one of the most advanced prediction markets in the world, with over £29 billion in transaction volume since our inception in 2010. Our platform attracts over 200,000 traders from around the globe, transforming the betting landscape across sports and political events by offering the most…

Join Our Team as a DevOps Engineer!Smarkets is at the forefront of revolutionizing the betting industry, offering one of the most sophisticated prediction markets globally. With over £29 billion in volume traded since 2010 and a community of more than 200,000 traders, we are committed to delivering exceptional value through innovative technology.Our technology stack is built for scalability, reliability, and speed, utilizing Linux, Kafka, Postgres, Kubernetes, alongside Python 3, C++17, and React. We focus on creating robust infrastructure that not only meets institutional demands but also makes trading accessible to all. Our resilience through market fluctuations and industry changes sets us apart.We pride ourselves on our people and foster a high-performance environment where talent can flourish. Our team combines extensive business knowledge with a commercial approach to drive strategic growth.If you're passionate about shaping the future of prediction markets with cutting-edge technology and a customer-centric mindset, Smarkets is the right place for you!Role OverviewAs a key member of our DevOps Infrastructure Team, you will help build and maintain real-time distributed systems that drive our trading engine—ensuring they remain operational, ultra-low latency, and resilient on a large scale.This role is not just about infrastructure; you will enhance platform capabilities that simplify how our engineers build, test, deploy, and manage applications across our hybrid environment, which includes both self-hosted hardware and AWS cloud infrastructure.In this pivotal position, you will blend DevOps with platform engineering, playing a critical role in our mission.Your ResponsibilitiesPlatform Enablement: Design and sustain internal tools and workflows that enhance the developer experience within deployment pipelines, observability, and testing settings.Empower Developers (DevEx): Automate processes, optimize CI/CD pipelines (Jenkins, GitLab), and ensure safe, fast, and reliable deployments across various environments.Infrastructure Automation: Develop, manage, and scale Kubernetes-based microservices infrastructure on AWS using Terraform and Infrastructure-as-Code methodologies.Developer Experience: Collaborate closely with product engineers to create seamless paths for development, testing, and deployment.Operational Excellence: Monitor, troubleshoot, and maintain the stability of our systems through robust alerting and incident response strategies.

At Smarkets, we are constantly seeking exceptional engineers who are passionate about the challenges we face. If you are excited to contribute to innovative solutions and have relevant skills and experience, we invite you to apply. We eagerly await your application!We are recruiting for various levels, including mid and senior positions.About UsSmarkets: Pioneering the Future of BettingSmarkets operates one of the globe's most advanced prediction markets, processing over £29 billion in transactions since our inception in 2010, with a community of over 200,000 traders worldwide. As a technology-driven company, we are transforming the betting landscape across sports and political markets by offering competitive prices and equitable odds.Our technology stack is meticulously designed for scalability, reliability, and speed, utilizing Linux, Kafka, Postgres, Kubernetes, alongside Python 3, C++17, and React to power our platform. We build infrastructure that institutions can rely on while making trading accessible for everyone. Our resilience is demonstrated by thriving through various market cycles and industry transformations.The core of our success lies in our team. We cultivate a high-performance environment that enables exceptional talent to excel, merging profound business acumen with a commercial outlook to foster strategic growth.If you are ready to influence the future of prediction markets through innovative technology and a customer-centric approach, Smarkets is your ideal workplace.The PositionAs a Mid-Level Software Engineer in our Engineering organization, you will be instrumental in designing, developing, and maintaining the services that underpin Smarkets' business operations products. You will collaborate closely with engineering managers, technical leaders, and product managers to steer complex technical initiatives aligned with the Smarkets product roadmap.We are searching for skilled and enthusiastic engineers like you for a thrilling opportunity to create a cohesive and high-performing system that not only optimizes our services but also propels Smarkets to unparalleled levels of success.We prioritize using the most effective tools for each task. Our tech stack includes Rust for high-performance operations and Python for other functionalities. Our Kafka pub/sub message queue is central to our system, ensuring high availability, low latency, and message persistence. We provide gRPC and HTTP APIs for diverse metadata, while PostgreSQL and ElasticSearch are our preferred databases.Key Responsibilities:Design, implement, and maintain complex systems and applications that support Smarkets' operations.Work collaboratively with cross-functional teams to define project goals and deliverables.Participate in code reviews, architecture discussions, and technical planning.Continuously improve code quality, software robustness, and performance.

Who are we?Smarkets: Shaping the Future of BettingAt Smarkets, we operate one of the most advanced prediction markets globally, with a staggering £29 billion in volume processed since our inception in 2010. Our platform engages over 200,000 traders worldwide, revolutionizing betting across various sectors, including sports and political markets, by providing the most competitive prices and fairest odds.Our tech stack is engineered for scalability, reliability, and performance, utilizing Linux, Kafka, Postgres, and Kubernetes, while Python 3, C++, Rust, and React underpin our platform. We construct infrastructure that institutions can rely on while ensuring trading remains accessible to all users. Our resilience is evident as we have thrived through every market trend and competitive landscape.What sets us apart is our exceptional team. We foster a high-performance culture where talent flourishes, merging extensive business knowledge with a strategic approach to drive growth.If you're eager to help redefine the future of prediction markets with innovative technology and a customer-centric approach, Smarkets is your ideal workplace.The TeamOur Data Team plays a crucial role in harnessing the vast amount of data generated at Smarkets to derive insights that propel our business forward. Given the extensive range of data we produce—from sports event metrics to payment information and user analytics—there are abundant opportunities for the team to create significant business impact.Currently, our team's responsibilities encompass three primary domains:Data Engineering: Developing and maintaining ETL pipelines, APIs, and data infrastructure such as Redshift or BigQuery;Data Science and Machine Learning: Exploring data, training ML models, and implementing ML Ops to uncover fresh insights;Analytics and Reporting: Crafting data models and dashboards while automating reporting pipelines for various teams, stakeholders, and third parties.A typical week for a data engineer within our Data Team might involve:Creating a new Python ETL pipeline to segment users based on their sports interests by analyzing behavior, optimizing marketing communications for these users;Developing a new endpoint for a Flask API, implementing unit tests, and deploying the updated version into our production Kubernetes cluster;Training and assessing an ML model to identify specific user patterns, contributing to our data-driven decision-making.

About UsSmarkets: Revolutionizing the Betting IndustryAt Smarkets, we operate one of the most advanced prediction markets worldwide, with over £29 billion processed since our inception in 2010. With a community of over 200,000 traders globally, we are redefining betting across various domains, from sports to political markets, ensuring the most competitive prices and fair odds.Our technology stack is meticulously crafted for scalability, reliability, and speed, utilizing Linux, Kafka, Postgres, Kubernetes, along with Python 3, C++17, and React. We build the infrastructure that institutions rely on while making trading accessible to all. Our resilience has allowed us to thrive through every market cycle and industry evolution.Central to our success are our talented team members. We foster a high-performance environment where exceptional skills flourish, combining in-depth business acumen with a commercial outlook to fuel strategic growth.If you are excited about shaping the future of prediction markets with cutting-edge technology and a focus on customer satisfaction, Smarkets is the perfect place for you.Your RoleWe are seeking a highly skilled Staff Engineer to spearhead our engineering initiatives in a senior individual contributor capacity, directly reporting to the VP of Engineering. As the most senior technical individual contributor in the organization, you will be instrumental in guiding our technology stack and fostering innovation across various teams.Key Responsibilities:Serve as a senior technical authority, offering strategic direction and hands-on assistance for impactful projects while advancing the engineering roadmap.Collaborate with the VP of Engineering to optimize our tech stack and enhance development methodologies.Work in tandem with frontend and backend teams to architect scalable and reliable microservices using Rust, Python, and Typescript.Enhance service latency and performance across PostgreSQL, Redis, and Kafka-based systems.Facilitate the deployment of CI/CD, monitoring, and alerting frameworks to maintain system health and performance.Promote engineering best practices and contribute to a culture of collaboration, continuous learning, and innovation.Influence and cultivate a top-tier engineering culture.Identify innovation opportunities to drive business value and sustain a competitive advantage.About You:Proven experience in software engineering, with a solid foundation in computer science principles.Expertise in Rust, Python, and Typescript is highly desirable.Strong problem-solving skills and a passion for innovation.Excellent communication and collaboration abilities.Ability to lead and mentor junior engineers.

About Us:Smarkets: Shaping the Future of BettingSmarkets operates one of the globe's most advanced prediction markets, processing over £29 billion in transactions since 2010 and connecting over 200,000 traders worldwide. As a technology-driven enterprise, we are transforming the betting landscape—spanning sports, political markets, and delivering the most competitive prices and fair odds.Our technology stack is engineered for scalability, reliability, and speed, featuring Linux, Kafka, Postgres, and Kubernetes, with Python 3, C++17, and React powering our platform. We develop infrastructure that institutions depend on while ensuring trading remains accessible to all. Our unique advantage lies in our resilience through market fluctuations, competition, and industry transformations.At the core of our success are our talented individuals. We foster a high-performance culture where exceptional talent flourishes, combining extensive business insight with a commercial outlook to drive strategic expansion.If you are eager to influence the future of prediction markets with state-of-the-art technology and a customer-centric approach, Smarkets is the right place for you.Role Overview:As the Engineering Team Lead, you will spearhead a team of software engineers responsible for building, managing, and maintaining the microservices that power Smarkets' innovative products.Your role will involve steering the team's direction, nurturing their professional development, and ensuring we are constructing the optimal stack to drive our product's future. You will leverage your team's capabilities to ensure our services remain responsive, scalable, and high-performing.You will collaborate closely with your engineering team, fellow engineering managers, technical leaders, and product managers to propel the intricate technical projects that advance the Smarkets product roadmap.

Join our dynamic team at Shawbrook as a Cloud Infrastructure Engineer, where you will play a crucial role in designing, implementing, and maintaining our cloud infrastructure. Your expertise will help us leverage the latest technologies to deliver robust and scalable solutions that meet our clients' needs.

Role overview DV Trading is hiring a Senior Cloud Engineer to strengthen its cloud infrastructure in support of trading operations. The position is based in London and centers on both improvement and ongoing maintenance of cloud systems critical to the business. What you will do Develop and implement cloud solutions aimed at increasing reliability and scalability. Enhance the performance of trading platforms through targeted system improvements. Collaborate with teams across the company to design and refine cloud strategies. Use technical expertise to streamline processes and improve efficiency within the technology stack. Location This role is located in London.

About UsAt Perlego, we are dedicated to revolutionizing education by making it accessible to everyone. In this digital era, we believe that learning should be available to all, anytime, anywhere. Knowledge should not be confined by exorbitant costs.Over the last seven years, our mission has focused on empowering students across the UK and Europe to access high-quality books. We aim to expand our reach globally, particularly into the US market, and create a platform that transcends traditional books by aiding students in studying more efficiently and effectively.Your RoleWe are in search of a seasoned Cloud Infrastructure Engineer with extensive experience in AWS services and monitoring tools. In this critical role, you will be responsible for ensuring the availability and reliability of our services. You will play a key role in promptly addressing issues, resolving incidents autonomously, and thriving in a dynamic environment.Key Responsibilities:Cloud Infrastructure Management:Administer and support our AWS infrastructure, emphasizing scalability, security, and reliability.Manage deployments and oversee CI/CD pipelines for both containerized (Docker/ECS) and serverless (AWS Lambda) applications.Implement effective backup and recovery strategies to minimize downtime.Oversee operational and analytical data stores, including Aurora MySQL, DynamoDB, and Databricks.Monitoring & Incident Management:Utilize tools such as Prometheus, Grafana, and AWS CloudWatch to monitor platform activity.Swiftly respond to alerts and incidents, independently resolving issues to maintain service uptime.Conduct post-incident reviews and enhance system resiliency through automation and monitoring improvements.Analyze network activity using AWS Security Hub and Cloudflare.Collaboration & Communication:Work collaboratively with cross-functional teams to implement platform enhancements.Demonstrate the ability to make swift decisions independently, especially when managing service incidents outside regular business hours.Support platform security and adhere to best practices for cloud security and compliance.Continuous Improvement:Automate repetitive processes to minimize human error and enhance efficiency.Continuously refine monitoring systems to ensure robust early detection and resolution capabilities.Identify and address potential performance bottlenecks.

Join us at Solve Intelligence, where we are pioneering AI-driven infrastructure for the global Intellectual Property sector. We are seeking a talented Infrastructure Engineer to develop the secure and scalable systems that drive our innovative solutions. Your Role: As an Infrastructure Engineer, you will collaborate with a highly skilled engineering team in London. Your focus will go beyond server management; you will architect multi-region, high-performance systems capable of processing complex AI tasks.Key Responsibilities:Cloud Architecture: Design, implement, and optimize our AWS infrastructure using Terraform for maximum reliability, cost-effectiveness, and scalability.Global Deployment: Create infrastructure patterns to support multi-region deployments and isolated environments tailored for enterprise clients.Developer Efficiency: Build and maintain CI/CD pipelines (using GitHub Actions and Docker) that enable our team to deliver features swiftly and securely.Monitoring & Reliability: Implement observability practices using OpenTelemetry and Datadog to proactively identify and resolve issues before they affect users.AI Performance Optimization: Fine-tune autoscaling and network routing to efficiently handle resource-heavy LLM workloads with minimal latency. About Solve Intelligence: We are a rapidly growing startup reinventing the IP industry.Growth: Achieving 20-30% month-over-month revenue increases; currently serving over 200 global IP teams, including DLA Piper and various tech companies.Impact: Our users experience efficiency improvements of 50-90% through our AI solutions.Funding: Recently highlighted in Sifted, following our $40M Series B funding round, bringing our total investment to $55M from prestigious investors like Y Combinator, 20VC, and others. Your Team: Work alongside a founding group of AI PhDs and top-tier systems engineers.

About ClickHouseFeatured on the prestigious 2025 Forbes Cloud 100 list, ClickHouse stands as a pioneering and rapidly expanding private cloud enterprise. With an impressive client base exceeding 3,000 and an annual recurring revenue (ARR) that has surged over 250% year-on-year, ClickHouse is at the forefront of real-time analytics, data warehousing, observability, and AI workloads.Our remarkable growth trajectory was recently underscored by a substantial $400 million Series D funding round. In the last quarter alone, notable clients like Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted or enhanced their use of our platform. They join a diverse roster of innovators in AI and global brands such as Meta, Cursor, Sony, and Tesla.Join us on our mission to revolutionize data utilization for businesses. Be a part of our exciting journey!About the TeamThe Cloud Infrastructure Engineering team is dedicated to constructing and maintaining the essential components of ClickHouse Cloud's data plane. This encompasses computing, networking, security, and a multi-cloud, multi-region architecture designed to deliver a reliable and scalable managed ClickHouse experience for our customers. We are in search of highly skilled and experienced cloud infrastructure software engineers to join our team, responsible for the design, deployment, and maintenance of our infrastructure.

About H Company H Company pursues advances in superintelligence with a focus on agentic AI. The team works to automate complex, multi-step tasks that typically require human involvement, aiming to expand what people can achieve. H Company values curiosity, responsibility, and a commitment to safety in AI. The culture emphasizes openness, ongoing learning, and collaboration, with each person’s input recognized and appreciated. Infrastructure Team Overview The Infrastructure team provides researchers and engineers with the resources they need to do their best work. This group maintains the core infrastructure behind H’s public services, building systems that are reliable, scalable, and ready for growth. Team members shape everything from foundational models to agent systems and public-facing services.

Role overview The Presales Engineer - AI Cloud Infrastructure position at NexGen Cloud is based in London, UK, with a hybrid work arrangement. This role sits within the Sales department and reports to Sales Leadership for Hyperstack, the company’s AI cloud platform. What you will do This role connects prospective clients, the sales team, and internal engineering as NexGen Cloud’s technical offerings become more advanced. The focus is on supporting the commercial pipeline by guiding customers through technical decisions and shaping solutions that fit their needs. Lead technical discovery sessions to understand what customers require Design AI cloud solutions tailored to each client’s goals Facilitate in-depth technical conversations with customers and internal teams Ensure solutions are delivered with accuracy and meet client expectations About NexGen Cloud NexGen Cloud powers Hyperstack, an AI cloud platform used by clients ranging from AI researchers to large enterprises with demanding computational workloads. The company provides on-demand and private GPU infrastructure, focusing on high-performance solutions where speed and reliability matter most. The team values close collaboration and works at the forefront of AI cloud technology. Employees across NexGen Cloud use AI tools to solve technical challenges, deliver solutions quickly, and set new standards for enterprise GPU infrastructure.

Ebury empowers ambitious businesses to unlock global growth, and we extend the same philosophy to our team members. We promote innovation, collaboration, and problem-solving, creating an inclusive environment where everyone feels valued, supported, and empowered to thrive.If you are a collaborative individual eager to transform how businesses operate on a global scale, we invite you to connect with us. Discover how Ebury can fast-track your career and help you shape the future.Senior Security Engineer - Cloud InfrastructureHybrid (4 days in office) in LondonEbury is making significant investments in its cloud infrastructure security to ensure the integrity and safety of our global financial services. As a Senior Security Engineer specializing in Cloud Infrastructure, you will be responsible for enhancing and managing the security posture of our cloud environments across AWS and GCP, focusing on network security, perimeter defense, and attack surface management.This hands-on position requires extensive expertise in cloud-native security controls, network architecture, and proactive defensive security operations. You will design, implement, and maintain security infrastructure that identifies and mitigates threats before they affect our operations. Collaborating closely with platform, infrastructure, and security operations teams, you will embed security best practices into our cloud foundations.Key ResponsibilitiesManage cloud security posture and attack surface: Ensure comprehensive visibility and control across AWS and GCP environments. Implement cloud-native security monitoring, detection, and alerting mechanisms to proactively identify and mitigate threats, establishing and enforcing security baselines through policy-as-code.Design and oversee web application firewall infrastructure: Maintain WAF configurations across AWS and GCP, creating and fine-tuning detection rules in line with application threat models and emerging attack patterns. Develop operational processes for rule management and incident response integration, collaborating with application teams to implement protections without disrupting availability.Architect network segmentation and isolation: Design and implement strategies ensuring proper separation between development, staging, and production environments. Define consistent patterns across multi-cloud infrastructure, apply zero-trust principles to workload communication, and document reference architectures for engineering teams.

Join Our Mission to Support the UK's Small Businesses At Funding Circle, we believe small businesses are vital to the economy, and we're dedicated to empowering them with quick access to funding. Our innovative platform leverages advanced data analytics to deliver funding solutions in minutes rather than weeks.Combining the dynamic spirit of a fintech start-up with the reliability of a public company, Funding Circle offers our team members the freedom to take initiative while making a meaningful impact.As a collaborative and high-performing team, we uplift one another, challenge conventional thinking, and work together to achieve greater results.Your Impact: In the last year, our platform enabled businesses to generate £7.2bn for the UK economy Become part of a mission that matters!

Role Overview Quantexa is hiring a Senior DevOps Engineer in London. This role focuses on building and improving cloud infrastructure, as well as strengthening continuous integration and delivery systems. Collaboration with engineers across teams is central to the work, with a strong emphasis on refining deployment pipelines for stability and growth.

Why Choose Nebius?Nebius is at the forefront of a transformative era in cloud computing, catering to the burgeoning global AI economy. We develop innovative tools and resources that empower our clients to tackle real-world challenges and revolutionize industries, all while minimizing infrastructure expenses and the need for extensive in-house AI/ML teams. Join us to work alongside some of the most skilled and visionary leaders and engineers in AI cloud infrastructure.Our Work EnvironmentHeadquartered in Amsterdam and publicly traded on Nasdaq, Nebius boasts a worldwide presence with R&D centers across Europe, North America, and Israel. Our diverse team of over 1,400 professionals includes more than 400 adept engineers specializing in both hardware and software engineering, complemented by our dedicated in-house AI R&D team.New Data Center Development:We offer a unique opportunity to engage with state-of-the-art technologies in data operations, cloud computing, and infrastructure management. As we expand our global data center operations, you will find numerous avenues for career advancement. Your role in the data center will directly enhance performance, elevate customer satisfaction, and improve operational efficiency, while you contribute to new data center initiatives. Collaborating with specialists in AI data center development, you will gain insights and experience in an innovative environment, working on solutions that set new industry benchmarks in design and deployment.The RoleWe are seeking a skilled IT Infrastructure Engineer to bolster our IT operations across multiple data centers globally. This position is ideal for an expert in data center hardware who thrives at the crossroads of various technical domains.Join us in our London office and become an integral part of our mission.

About FreshaFresha is the premier marketplace platform in the beauty and wellness sector, trusted by millions of consumers and businesses around the globe. With over 130,000 businesses and 450,000 stylists using our platform, we have successfully processed over 1 billion appointments to date.Headquartered in London, United Kingdom, Fresha operates from 15 offices across North America, EMEA, and APAC.Our platform enables consumers to discover, book, and pay for beauty and wellness appointments with local businesses. In turn, beauty and wellness professionals utilize our comprehensive platform to manage their operations seamlessly through innovative business software and financial technology solutions.Fresha’s ecosystem equips merchants with all essential tools for efficient business management, including appointment bookings, point-of-sale systems, customer record management, marketing automation, loyalty programs, beauty product inventory, and team management.Our consumer marketplace enhances revenue potential for partner businesses by leveraging online bookings and automated marketing through mobile applications and advanced integrations with leading tech brands like Instagram, Facebook, and Google.Role OverviewAs Fresha embarks on its next phase of global expansion, the Platform team plays a crucial role in ensuring that this growth is swift, secure, and sustainable.In your capacity as a Senior Platform Engineer, you will hold complete responsibility for the design, deployment, and operation of our platform and services. Your primary objective is to eliminate obstacles for engineers, minimize operational risks, and ensure that the platform effectively scales in alignment with the business's growth.Your mission is to provide engineers with the appropriate tools, methodologies, and infrastructure necessary for them to deliver their work efficiently, safely, and confidently.We place a strong emphasis on the impact of our work on customers, even when the tasks are internal; our platform improvements are aimed at enhancing the overall customer experience.To cultivate a collaborative work environment that thrives on in-person interactions and teamwork, all employees at Fresha are required to work from our dog-friendly office four days a week, with the flexibility to work remotely every Wednesday. The office is located at: The Bower, The Tower, 207 Old St, London EC1V 9NR.

Join Anduril Industries, a pioneering defense technology company dedicated to revolutionizing military capabilities through advanced technology. As a Senior Cloud Engineer, you will be an integral part of our Multinational Digital Infrastructure team, responsible for designing, deploying, and maintaining robust cloud environments that support sovereign and multinational military systems. Your work will directly contribute to enhancing Anduril’s global Maritime and AUKUS missions, ensuring our infrastructure is secure, scalable, and capable of meeting evolving mission requirements.

Location: London, UK - Hybrid (3 days in office)About the TeamThe Foundations team is responsible for developing the essential systems and tools that empower engineers at DoorDash and Deliveroo to create, deploy, and manage software efficiently at scale. We regard our infrastructure, CI/CD processes, and developer tools as products, crafted with the same level of precision and care as our customer-facing solutions. Our goal is to enhance engineering speed, reliability, and security as we revolutionize the global dining and shopping experience.About the RoleIn this role, you will work at the dynamic intersection of software engineering and cloud infrastructure. You will produce high-quality code to automate processes and develop internal tools while designing and managing scalable systems on AWS.This hands-on position focuses on optimizing the software development lifecycle, deployment, and operational practices throughout the organization — balancing coding, infrastructure design, and operational excellence.Your ResponsibilitiesDeveloping and maintaining software (primarily in Go) to automate infrastructure, streamline developer workflows, and enhance platform featuresDesigning, deploying, and operating secure, scalable systems within AWSCreating and maintaining CI/CD pipelines utilizing GitHub Actions, CircleCI, Buildkite, and other related toolsImplementing infrastructure as code and enhancing automation across various environmentsTroubleshooting and resolving sophisticated build, deployment, and production issues across application and infrastructure layersEnhancing observability, reliability, and performance of internal platforms and production systemsCollaborating with engineering teams to establish best practices for deployment, release management, and cloud architectureParticipating in technical design discussions and driving continuous improvements in DevOps methodologiesRequirementsExtensive experience in building and operating CI/CD systems using tools like GitHub Actions, CircleCI, or BuildkiteProficiency in writing and maintaining production-quality software in Go or equivalent languagesStrong background in cloud services, particularly AWSExperience with infrastructure as code tools such as Terraform or CloudFormationDemonstrated ability to troubleshoot complex issues across applications and infrastructureExcellent communication skills and a collaborative mindset