Backend Software Engineer - Infrastructure

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 Our TeamJoin the Applications Engineering team, a dynamic group that collaborates across research, engineering, product management, and design to deliver cutting-edge AI solutions for consumers and businesses alike.As a member of our team, you will play a vital role in managing the essential infrastructure that underpins products like ChatGPT and our API. This encompasses our Kubernetes clusters, infrastructure deployment, networking architecture, cloud abstractions, and much more.We are committed to learning from our deployments and spreading the advantages of AI while ensuring its responsible and safe application. For us, safety takes precedence over unrestricted growth.Role OverviewOur cloud infrastructure team is dedicated to constructing and sustaining infrastructure abstractions that empower OpenAI to deliver products efficiently and at scale.Key Responsibilities:Design and develop robust development and production platforms that ensure reliability and security at scale.Guarantee that our infrastructure is poised to scale for future demands.Foster a diverse, equitable, and inclusive environment that encourages openness, welcome, and the challenging of conventional thinking.Participate in the overall responsibility for system reliability, including an on-call rotation for critical incidents.Ideal Candidate Profile:5+ years of experience in building core infrastructure systems.Skilled in operating orchestration systems, particularly Kubernetes, on a large scale.Experience in creating abstractions over various cloud platforms.Pride in developing and managing scalable, reliable, and secure systems.Comfortable navigating ambiguity and adapting to rapid changes.About OpenAIOpenAI is a pioneering AI research and deployment organization committed to ensuring that general-purpose artificial intelligence serves the greater good of humanity. We continuously push the boundaries of AI capabilities and are focused on the safe deployment of these technologies through our innovative products. Our mission is to prioritize safety and human needs while embracing diverse perspectives, ensuring that our AI tools are developed responsibly.

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 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.

Become a Force for Good with Axon.At Axon, we are committed to the mission of Protecting Life. We tackle society's most urgent safety and justice challenges through our innovative devices and cloud-based software. Our collaborative spirit drives our success as we engage with diverse perspectives from our customers, communities, and each other.Working at Axon is fast-paced, fulfilling, and engaging. You will have the opportunity to take ownership and enact real change while growing in a mission-driven environment where your contributions are valued.Your ImpactAs a Senior Software Engineer within the Infrastructure Services team at Dedrone, you will be tasked with designing, building, and enhancing the core systems that support our developer platform and critical backend services. Your robust software engineering skills coupled with extensive infrastructure knowledge will ensure our platform remains scalable, reliable, and secure. This role transcends traditional infrastructure operations; you will create production-ready backend services, design cloud-native systems, and manage the CI/CD and runtime environments that underpin our product ecosystem. Your influence will shape engineering standards, enhance developer experiences, and steer architectural decisions across Dedrone’s product teams.What You’ll DoWork Location: This position is situated in our London office following a hybrid work model. We emphasize in-person collaboration, requiring team members to be on-site from Tuesday to Friday, with the flexibility for remote work on Mondays, unless a workplace accommodation is in place. We believe that connection drives innovation, and our in-office culture is crafted to promote meaningful teamwork, mentorship, and collective success.Reports to: Engineering Manager, Infrastructure ServicesBackend & Platform Service EngineeringDesign, construct, and sustain production-grade backend services (primarily using Java, Go, or Python) that facilitate deployment orchestration, internal APIs, and developer platform functionalities.Contribute to architectural decisions encompassing service boundaries, API design, persistence layers, scalability strategies, and fault tolerance.Enhance performance, reliability, and maintainability of platform services through rigorous testing practices and meticulous system design.Manage and evolve shared services governed by the Infrastructure Services team.CI/CD & Developer PlatformOwn, design, and refine CI/CD systems that support Dedrone’s distributed product ecosystem.

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 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.

Join the innovative engineering team at Chainalysis, where our mission is to tackle the most complex technical challenges and develop products that foster trust in cryptocurrencies. As a global organization with teams across the UK, Denmark, Canada, and the USA, we thrive on the dynamic nature of our industry and the collaborative spirit of our exceptionally talented teammates. Our goal is to create a flexible platform that adapts to rapid changes in the market.We are seeking passionate Software Engineers to become integral members of our Data Cloud team. This team plays a vital role in driving innovation and unlocking new business opportunities by enabling everyone at Chainalysis to efficiently discover, access, analyze, and utilize data. You will be instrumental in designing and optimizing our data platform and processing systems. If you are enthusiastic about infrastructure automation, cloud services, and building scalable platforms for next-gen real-time streaming data applications, we invite you to join our talented and expanding team!Key Responsibilities:Design, develop, and refine high-performance, scalable data platforms, focusing on streaming data processing, handling large data volumes, and optimizing cloud infrastructure.Implement and uphold infrastructure automation and self-service capabilities using Terraform, ensuring reliable and repeatable environments for both development and production, alongside robust CI/CD pipelines.Facilitate seamless integrations between Data Cloud and various relational and NoSQL OLTP databases.Create and develop frameworks and abstractions that speed up data pipeline development while embedding data engineering best practices.Establish and maintain observability, security, and data governance solutions to guarantee the quality and reliability of data pipelines.Qualifications:A minimum of 3 years of experience as a Data Platform Engineer, Software Engineer, or Infrastructure Engineer, including hands-on expertise in constructing and maintaining cloud-based data platforms.Significant experience with AWS services, a solid understanding of cloud architecture, and proficiency in Terraform for cloud infrastructure management.Experience in building streaming data pipelines utilizing technologies such as Apache Flink, Apache Kafka, Spark Structured Streaming, or similar.Understanding of modern data lake architecture and data engineering best practices.

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 competitive prices and fair odds.Our technology stack is tailored for scalability, reliability, and performance, utilizing Linux, Kafka, Postgres, and Kubernetes, powered by Python 3, C++17, and React. We build infrastructure that businesses rely on while ensuring trading remains accessible to everyone. We've demonstrated resilience through every market phase, competition, and industry upheaval.The key to our success lies in our people. We foster a high-performance environment where top talent flourishes, merging extensive business acumen with a commercial approach to propel strategic growth.If you are ready to contribute to the evolution of prediction markets with innovative technology and a client-centric mindset, Smarkets is the perfect place for you.We are currently seeking a Senior Cloud Infrastructure Engineer to enhance our infrastructure and equip our developers with efficient, self-service tools and operational excellence.Your RoleAs a member of the Cloud Infrastructure Team, you will engage with real-time distributed systems that fuel our trading engine. Your primary responsibility will be to design and maintain scalable, secure, and high-performance cloud-based systems while developing platforms that enable our developers to operate quickly, deploy reliably, and scale seamlessly.This role is not just about creating cloud infrastructure; it's about fostering a highly autonomous environment where ownership is encouraged, experimentation is welcomed, and innovation is integral to our operations. You will define the foundation of our cloud-native architecture, harmonizing visionary infrastructure design with the practical demands of a rapidly growing, large-scale environment.This position is where infrastructure intersects with engineering productivity: part DevOps, part Platform Engineering, and 100% essential to our mission.Your ResponsibilitiesDesign and Own Infrastructure: Architect and maintain robust, cost-effective, and secure infrastructure on AWS using Terraform, Kubernetes, and cloud-native best practices.Champion Platform Engineering: Develop and enhance the internal developer platform (IDP) that empowers engineers to self-serve infrastructure, CI/CD, observability, and security tooling.

Senior Oracle Cloud Infrastructure (OCI) ArchitectDesign at Scale. Lead with Authority. Deliver Secure, Enterprise-Grade Cloud Solutions.Join our dynamic team at Version 1 as a Senior Oracle Cloud Architect, where you will be instrumental in architecting enterprise-scale Oracle Cloud Infrastructure (OCI) environments.This role transcends simple implementation; we are in search of a strategic leader who can devise intricate, secure, and multi-region OCI architectures, tackle significant technical hurdles, and confidently guide solutions across infrastructure, network, and application domains.If you're passionate about navigating complex environments and relish the challenge of solving high-impact technical issues, this position offers the freedom and opportunity to truly make an impact.Your ResponsibilitiesDesign and implement robust, scalable, and secure Oracle Cloud Infrastructure (OCI) solutions that align with business objectives.Develop intricate network configurations including hub-and-spoke architectures and cross-region disaster recovery strategies.Lead the architectural design for cloud-based enterprise applications with a focus on resilience, security, and performance.Take charge of critical technical issues, diagnosing and resolving complex OCI networking challenges.Collaborate with on-premise network engineers and application specialists (JDE, PeopleSoft, EBS) to facilitate root cause analysis and resolution.Provide guidance and mentorship to fellow architects and engineers.Drive ongoing improvements through infrastructure reviews, optimization initiatives, and the adoption of new OCI capabilities.Establish and maintain comprehensive cloud architecture documentation and best practices.

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.

Join physicsx as a Senior Software Engineer specializing in Site Reliability Engineering (SRE). In this pivotal role, you will be responsible for enhancing our core infrastructure, ensuring reliability, scalability, and performance of our software systems. You will work with a talented team to design, implement, and maintain robust solutions that meet the needs of our users.As a senior engineer, you will also mentor junior team members, contribute to architectural discussions, and drive best practices in software development and operations.

Join Palantir Technologies as a Senior Backend Software Engineer focused on Infrastructure. In this crucial role, you will design and implement robust backend systems that power our cutting-edge software solutions. Collaborate with a talented team to develop scalable and efficient solutions that meet the needs of our clients.

Join Contentful as a Senior Backend & Infrastructure Software Engineer and play a pivotal role in shaping the future of our platform. In this role, you will design and implement robust backend solutions that enhance our infrastructure capabilities, ensuring scalability and performance. Collaborate with cross-functional teams to tackle complex technical challenges and drive innovation within the organization.

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

At Coram AI, we are revolutionizing video security in today's digital landscape. Our innovative cloud-native platform leverages cutting-edge computer vision and artificial intelligence to empower businesses with enhanced safety, informed decision-making, and rapid response capabilities. Experience real-time alerts, effortless clip sharing, and comprehensive visibility across multiple sites.Joining our dynamic, agile team means embracing clarity, excellence, and impactful contributions. Every team member has a voice, delivers significant work, and plays a vital role in shaping how AI can foster a safer and more interconnected world.In this role, you will be part of a pioneering team responsible for managing a sophisticated infrastructure that transcends conventional cloud setups. Beyond our robust AWS and Kubernetes configurations, we also oversee a vast array of IoT devices. We are in search of a skilled engineer who will play a crucial role in developing and maintaining our edge and cloud stack that supports our IoT product offerings, focusing on both infrastructure and the bespoke software we utilize.You will tackle intriguing challenges at the confluence of user experience, machine learning, and infrastructure, while committing to excellence, continuous learning, and delivering exceptional products in a fast-paced startup environment.

Waymo is at the forefront of autonomous driving technology, dedicated to becoming the world's most trusted driver. Originally initiated as the Google Self-Driving Car Project in 2009, our team has been relentlessly working to enhance mobility access and save lives by developing the Waymo Driver—The World’s Most Experienced Driver™. With over ten million successful rider-only trips facilitated by our technology, which has driven over 100 million miles on public roads and tens of billions of miles in simulations across more than 15 U.S. states, we are shaping the future of transportation.The Simulation ML Infrastructure team is responsible for creating scalable AI/ML infrastructure that propels our Simulator team towards innovative, state-of-the-art simulations of realistic environments for the Waymo Driver's training and testing. By leveraging large foundation models trained on extensive datasets, we enhance the authenticity and control of our simulations, including realistic representations of vehicles, pedestrians, cyclists, roads, traffic control systems, and weather conditions.We are currently seeking a highly skilled Senior Machine Learning Infrastructure Engineer to spearhead the development of advanced AI/ML infrastructure for multi-billion parameter foundation models tailored for ML accelerator-friendly simulations. Your extensive knowledge in massive model scaling, ML accelerators, and distributed training will be vital in designing and optimizing our systems.

At Algolia, we are proud to be at the forefront of AI Search technology, enabling over 17,000 businesses to provide lightning-fast, predictive search and browsing experiences on a global scale. We handle more than 30 billion search requests each week, surpassing the combined total of Microsoft Bing, Yahoo, Baidu, Yandex, and DuckDuckGo.In 2021, we secured $150 million in Series D funding, elevating our valuation to $2.25 billion. This strong financial backing allows us to continuously enhance our industry-leading platform and serve esteemed clients like Under Armour, PetSmart, Stripe, Gymshark, and Walgreens.Algolia was designed to empower users to offer an intuitive search-as-you-type functionality on their websites and mobile applications. Our search API is utilized by thousands of clients across more than 100 countries, facilitating billions of search queries every month thanks to the code we deploy into production daily.We are on the lookout for a Senior Software Engineer to join our Metis team, which is responsible for the cloud-based scalable architecture of NeuralSearch, our AI-powered search engine that integrates both keyword and vector search capabilities. Metis comprises distributed components that manage the construction and storage of indices containing customer data and querying that data to deliver relevant search results. This role demands a deep understanding of the complexities associated with distributed systems.Our team is composed of engineers, with most working remotely, bringing diverse skill sets and backgrounds. Your unique experiences and insights will contribute to our collective diversity, helping us to create impactful products.

Join Perplexity, a pioneering company based in London, as we transform the way users search and engage with the internet. We are seeking seasoned Infrastructure Engineers to become integral members of our dynamic team. In this role, you will lead the design, implementation, and scaling of innovative tools, systems, and platforms that empower web, mobile, and browser engineers to develop cutting-edge products. Your contributions will be vital in enabling our product, AI, and development teams to innovate swiftly while ensuring utmost reliability, security, and performance at scale.Our Tech StackPython | Go | TypeScript | PostgreSQL | DynamoDB | Redis | FastAPI | React | Bazel | GitHub | AWSTeams HiringSenior/Staff PlatformThe Platform team is fundamental to ensuring product reliability, scalability, and performance at Perplexity. This elite team is responsible for developing and maintaining the critical infrastructure—from backend systems such as authentication, real-time data flows, and service orchestration to frontend frameworks that guarantee fast, reliable, and secure user experiences. By upholding stringent standards for code quality, uptime, and developer productivity, the Platform team enables all of Perplexity to innovate rapidly on a solid, well-designed foundation.Senior/Staff DevXThe Developer Experience (DevX) team is dedicated to empowering engineers at Perplexity to build, ship, and iterate faster than ever before. They manage internal platforms for source control, build, test, and deployment, effectively removing bottlenecks from each phase of product development. This team designs seamless onboarding, ultra-fast CI/CD pipelines, and developer tools that enhance creativity and safety at scale. Through collaborative efforts and significant autonomy, the DevX team amplifies the contributions of every engineer, facilitating rapid, dependable innovation across the organization.Senior/Staff Cloud InfraThe Cloud Infrastructure team architects and manages the essential cloud infrastructure that powers Perplexity’s global platform. This team designs and scales computing, storage, and networking systems to support high-throughput, low-latency workloads, balancing proactive project initiatives with operational support. Collaboration with product, AI research, security, and other teams ensures that our services remain consistently available, reliable, and responsive to user demands.