Senior Cloud Performance Engineer

About ClickHouseRanked in the prestigious 2025 Forbes Cloud 100 list, ClickHouse stands out as a pioneering and rapidly expanding private cloud enterprise. With an impressive client base of over 3,000 and a remarkable annual recurring revenue (ARR) growth exceeding 250% year-on-year, ClickHouse is at the forefront of real-time analytics, data warehousing, observability, and AI-driven workloads.The company’s ongoing success was recently reinforced by a substantial $400M Series D funding round. Within the last quarter, notable clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted our platform or increased their existing usage. These companies join a renowned group of AI trailblazers and global giants including Meta, Cursor, Sony, and Tesla.Join us on our mission to revolutionize the way organizations interact with data. Embark on this exciting journey with us!About the TeamThe Cloud Performance Engineering team is tasked with developing the cloud-native ClickHouse Cloud Platform that is set to redefine the OLAP landscape. We are seeking outstanding performance engineers who possess a deep understanding of the performance thresholds of various distributed databases, alongside a knack for crafting tools that assess the performance and scalability of intricate systems. The ideal candidate will be a performance engineer specializing in distributed systems, equipped with robust experience in database benchmarking, test automation, system engineering, performance analysis, and capacity management. This role presents a unique chance to make a profound impact on our elastic, infinitely scalable, high-performance, serverless ClickHouse Cloud.Your Responsibilities:Conduct benchmarking of system performance and database performance analysis, focusing on capacity sizing and optimization.Diagnose and resolve application and server errors by analyzing logs and implementing appropriate triage measures.Propose configuration optimizations to address performance bottlenecks.Collaborate closely with the core development, cloud, and security teams to enhance ClickHouse Cloud’s performance.Initiate and lead Chaos Engineering projects across engineering teams, aligned with internal objectives.Create, implement, and oversee tools to systematically conduct chaos experiments and evaluate their effects.Delve into and cultivate a comprehensive understanding of large-scale distributed systems.Examine challenges in software resilience, operations, and delivery processes.Enhance our backend systems to incorporate Chaos Engineering methodologies.Monitor live systems and identify innovative ways to introduce disruptions.

Role Overview Devoteam is hiring a Senior Google Cloud Engineer in Amsterdam. This role centers on designing, implementing, and optimizing solutions using Google Cloud Platform (GCP). What You Will Do Work closely with teams across disciplines to deliver cloud projects Shape and improve cloud architectures on GCP Contribute to ongoing enhancements that increase efficiency in cloud operations

Join Devoteam as an Azure Cloud Engineer and take your career to new heights! We are seeking a skilled engineer with a passion for cloud technologies to design, implement, and manage robust Azure solutions for our diverse clients. You will play a crucial role in delivering high-quality cloud services that meet our clients' business needs.In this role, you will work closely with cross-functional teams to ensure seamless integration of Azure services, optimize cloud infrastructure, and enhance system performance. If you are eager to tackle challenging projects and contribute to innovative cloud solutions, we want to hear from you!

About ClickHouseAs a proud member of the 2025 Forbes Cloud 100 list, ClickHouse stands at the forefront of innovation in the private cloud sector. With an impressive customer base exceeding 3,000 and an annual recurring revenue (ARR) growth of over 250% year-over-year, ClickHouse excels in real-time analytics, data warehousing, observability, and AI workloads.Our rapid growth was recently confirmed by a successful $400M Series D funding round, which has attracted notable clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex, along with established AI leaders and global brands including Meta, Cursor, Sony, and Tesla.Join us on our mission to revolutionize data utilization in businesses. Be part of our exciting journey!About the TeamThe Cloud Infrastructure Engineering team is responsible for constructing and overseeing the essential components of ClickHouse Cloud's data plane, ensuring a seamless end-to-end experience. This encompasses compute, networking, security, and a multi-cloud, multi-region architecture, all designed to provide a dependable and scalable managed ClickHouse service for our customers. We are on the lookout for talented and seasoned cloud infrastructure software engineers to join our ranks, tasked with the design, deployment, and maintenance of our infrastructure.What will you do?Architect and create a resilient, scalable, and high-availability distributed infrastructure.Develop a state-of-the-art cloud-native platform leveraging public cloud resources, automating cloud resource management.Collaborate closely with our ClickHouse core database development and security teams to enhance our SAS offerings.Enhance routing and traffic components to increase the reliability and scalability of our cloud services.Implement industry best practices to systematically elevate availability across our systems.Design and build security components...

Join our innovative team at Devoteam as a Cloud Native Engineer, where you'll play a pivotal role in designing, implementing, and optimizing cloud-native applications. Work with cutting-edge technologies and contribute to transformative projects that enhance our clients' operations.

Make an impact. Embrace humanity. Remain curious.At the forefront of the AI revolution, Rewire is a leader in transforming the world with innovative data solutions. With the rapid growth of data, we seek intelligent and impact-driven individuals to pioneer advancements in Data and AI.If you are driven by a passion for solving genuine challenges and producing significant results, this opportunity is tailor-made for you! Your innovative mindset and technical skills will play a pivotal role in shaping Rewire's future as you harness data and AI to create state-of-the-art solutions.Join us on our ambitious journey to significantly expand Rewire’s business. We are looking for a Cloud Engineer who will have the unique opportunity to engage in dynamic data and AI projects. Collaborate with seasoned Cloud, Software, Data, and AI Engineers and gain hands-on experience through real client engagements.In this role, you will develop the foundational architecture of our cloud platforms and our clients’ cloud environments. You will design secure and scalable infrastructures, automate processes, explore cutting-edge cloud technologies, and translate complex requirements into dependable systems – all while enhancing your cloud expertise and contributing to Rewire’s technical leadership.Be part of a vibrant team of data and AI professionals who tackle significant challenges, devise intelligent solutions, and enjoy the journey together. Ready to embark on this adventure?

Join Lenus Health as a Senior Performance Marketing Specialist in our vibrant Amsterdam office! Be a part of the health revolution! At Lenus, our mission is to create a healthier and happier world. If you envision yourself contributing to a meaningful purpose within a dynamic, global culture, you could be the perfect fit for our team. Who are we seeking? We are looking for a results-driven professional with expertise in paid social media campaigns. Are you passionate about empowering leading health and fitness coaches to grow their businesses? In this role, you will collaborate closely with some of Central Europe's foremost health and fitness coaches, providing them with innovative concepts and strategies while managing the creation, setup, monitoring, and optimization of their paid social advertisements. Your ability to craft compelling ad copy, analyze performance metrics, and effectively communicate insights and strategies will be essential. With our ongoing growth trajectory, the opportunity to make a significant impact at Lenus is boundless!

Join our dynamic team at Sia Partners as a Senior Consultant specializing in Financial Performance & Strategy. In this pivotal role, you will leverage your expertise to drive strategic financial initiatives for our clients, helping them achieve their goals and optimize their financial performance. Collaborate with cross-functional teams to provide actionable insights and recommendations that influence key business decisions. Your analytical skills and strategic mindset will be crucial in delivering high-quality consulting services.

Are you passionate about designing and managing cloud infrastructure that drives complex web applications and data processing systems? Do you have the skills to create and implement scalable, secure, and cost-efficient solutions using Google Cloud Platform services? And can you ensure operational excellence and reliability in every aspect of your work? If so, we invite you to apply!‍ What Are We Doing?At Kaizo, we are dedicated to guiding employees toward achieving their goals and making a real impact within their organizations.We are developing a performance development platform designed specifically for customer support teams. By integrating gamification and AI, we enhance operational efficiency while driving team performance and retention through actionable goals. As a product-led, rapidly expanding SaaS company, we boast a diverse team and a global customer base.Kaizo utilizes gamification and machine learning to transform the daily work experience of customer support agents, making it more engaging, enjoyable, and productive.Our entire infrastructure operates on Google Cloud Platform, managing Kubernetes clusters that process over 200 million events daily, with data flowing through Kafka streams and stored in Elasticsearch and MongoDB.Our cloud architecture adheres to GCP best practices, creating a robust, auto-scaling infrastructure that supports our microservices ecosystem and data processing pipelines. What Will You Do?Design and implement cloud infrastructure solutions in a dynamic startup environment.Manage and optimize GCP services for peak performance.Build Infrastructure as Code using Terraform and implement CI/CD pipelines with GitHub Actions.Collaborate with development teams to architect scalable, secure, and cost-effective cloud solutions.Monitor system performance, implement observability solutions, and ensure high availability across all services.Assess infrastructure needs, recommend enhancements to our cloud architecture, and have the freedom to implement innovative solutions.Implement and uphold security best practices to maintain a secure cloud environment, including IAM policies, network security, and compliance frameworks.

Join Adyen, a leading payment platform, as a Senior Manager in our Enterprise Offering team focused on Payment Performance. In this pivotal role, you will drive strategic initiatives to enhance payment solutions for our enterprise clients, ensuring they achieve optimal performance and efficiency. Collaborate with cross-functional teams to develop innovative offerings that meet the evolving needs of our diverse clientele.

Join our innovative team at Pinely as a Machine Learning Performance Engineer. We are on a mission to accelerate large-scale model training by optimizing our internal infrastructure and computing stack. In this pivotal role, you will engage with the entire training pipeline—from GPU kernels to system-wide throughput—utilizing profiling, CUDA-level tuning, and advanced distributed systems methodologies. Your contributions will be vital in minimizing training durations, enhancing iteration speeds, and maximizing computational efficiency.As a key member of our growing team, you will help cultivate deep technical expertise in ML training systems.Responsibilities:Enhance our model training pipeline to increase speed and reliability, facilitating quicker and more effective experimentation.Utilize GPU optimization techniques via tools like JAX, Triton, and low-level CUDA to elevate training performance and efficiency at scale.Diagnose and rectify performance bottlenecks throughout the ML pipeline—from data loading and preprocessing to CUDA kernels.Develop tools and expand our internal infrastructure to enable scalable, reproducible, and high-performance training workflows.Guide and mentor engineers and researchers in implementing performance best practices across the team.Assist in enhancing the team's capabilities in GPU and systems-level expertise, contributing to a culture of engineering excellence and rapid experimentation.Requirements:Proven experience optimizing neural network training in production or large-scale research environments, such as reducing training time, enhancing hardware utilization, or expediting feedback cycles for ML researchers.Extensive hands-on experience with ML frameworks like PyTorch or JAX.Practical experience training and optimizing deep learning architectures, including LSTM and Transformer-based models with various attention mechanisms.Familiarity with CUDA, Triton, or other low-level GPU technologies for performance tuning.Expertise in profiling and debugging training pipelines using tools like Nsight, cprofiler, CUDA, gdb, or torch profiler.Comprehension of distributed training concepts including data/model/tensor/sequence/pipeline/context parallelism and memory-compute trade-offs.A collaborative and proactive approach, coupled with strong communication skills and the ability to mentor team members effectively.Strong proficiency in Python for developing infrastructure-level tools, debugging training systems, and integrating with ML frameworks and profiling tools.What We Offer:Competitive salary and comprehensive social benefits.Attractive bonus structure; we are flexible in discussions regarding salary and employment conditions.Access to state-of-the-art hardware and software in production, alongside a highly skilled technical team.

Join our dynamic team at sia as a Senior Cloud Security Consultant. In this pivotal role, you will leverage your expertise in cloud security to help our clients safeguard their digital environments. You will work closely with stakeholders to assess risks and implement robust security solutions tailored to their unique challenges.

Are you ready to advance your career? Join us at studytube as a Cloud and Infrastructure Engineer, where you'll enhance and innovate our cloud systems. Your hands-on experience with DevOps tools will be crucial in managing, optimizing, and scaling our learning platform's infrastructure.Key ResponsibilitiesAs a pivotal member of our team, you will help shape and advance our Cloud Platform by introducing innovative solutions, driving progress, and ensuring that our infrastructure is secure, scalable, and prepared for future demands.In an environment that champions excellence, teamwork, and personal development, you’ll have the autonomy to experiment, refine, and create a significant impact.Your Role Includes:Designing, constructing, and managing our cloud infrastructure to ensure it remains robust, efficient, and dependable.Automating processes by developing and maintaining Infrastructure as Code (IaC) utilizing tools such as Terraform.Enhancing our security posture by applying cloud security best practices and ensuring compliance with industry standards.Refining our CI/CD pipelines to accelerate and streamline deployments.Collaborating with cross-functional teams to translate requirements into scalable infrastructure solutions.Proactively monitoring system health to address potential issues before they affect users.

At Centric, we are driven by the belief that technology can transform the world for the better. We are continually seeking enthusiastic and motivated professionals like you who want to make a significant impact. Seize these opportunities and take your career to the next level.Your RoleIf you thrive on challenging technical assignments within the Cloud domain, Centric is the ideal place for you. You will immerse yourself in the realms of Azure or AWS, working on diverse projects ranging from financial institutions to governmental organizations. As a Cloud DevOps Engineer at Centric, you will also have the opportunity for continuous personal development.Your responsibilities will include designing, implementing, and managing CI/CD DevOps pipelines. You will leverage your knowledge and expertise to deliver effective solutions for our clients. Your tasks will include:Designing, implementing, and automating CI/CD pipelines using infrastructure-as-code.Collaborating on source control and branching strategies.Ensuring that your infrastructure-as-code deployments are secure and compliant with client policies.Implementing security protocols and compliance standards.As a Cloud DevOps Engineer, you will be employed by Centric and assigned to one or multiple clients. The variety of work locations, all within a maximum one-hour commute from your home, will expose you to numerous organizations, enabling you to grow within your field. Together with your Field Manager, you will create a personal development plan, identifying suitable training and projects that align with your career aspirations. You will also join our center of expertise, where knowledge sharing and mutual coaching among colleagues is prioritized.What We OfferAt Centric, we provide a dynamic environment where you can apply your skills on various exciting projects for engaging clients. You will have the chance to continually learn and evolve in a setting that is at the forefront of the latest developments. As a Cloud Engineer, you can expect:A gross salary of up to €5,960 per month based on your knowledge and experience.A profit-sharing plan of up to 50% of the average gross monthly salary.Flexibility to work from home and a good work-life balance, allowing you to organize your workweek as you see fit.Comprehensive training and development opportunities.26 vacation days, 8% vacation allowance (paid out in May), and loyalty days, increasing your time off the longer you stay with us.A contribution to your pension and more.

At the forefront of modern electronic trading, technology plays a critical role. IMC is on the lookout for exceptionally motivated individuals to leverage quantitative research methodologies and hands-on experimentation within the technology utilized by exchanges, connectivity providers, and our proprietary systems. Your mission will be to devise innovative strategies that enable us to outperform competitors in the fiercely competitive realm of ultra-low-latency trading.As a Performance Engineer at IMC, you will be integral in analyzing, optimizing, and fine-tuning the interaction of our systems with exchange technologies. Collaborating with cross-functional teams, you will be charged with identifying performance enhancements throughout the trading stack. This position merges technical expertise with innovative problem-solving to strategically outmaneuver the competition in a highly demanding technical environment.

Join our dynamic team at Devoteam as a Lead Cloud Data Engineer Consultant. In this pivotal role, you will leverage your expertise in cloud technologies to help organizations harness the power of data. You'll work closely with clients to design and implement robust data solutions, ensuring high performance and scalability.As a key player in our Data department, you will lead projects, mentor junior engineers, and contribute to strategic planning. Your insights will drive data-driven decision-making and innovation.

About WoodWingWoodWing empowers brands, agencies, and publishers to craft their narratives effectively. Our cutting-edge digital asset management and multi-channel content creation solutions enhance operational efficiency, streamline workflows, and ensure timely content delivery across diverse marketing and audience channels. Our products are designed to simplify the processes of creating, managing, and distributing digital content across multiple platforms, focusing on boosting team collaboration and efficiency. While our solutions are favored in publishing environments, they are also widely embraced by businesses across various industries for effective digital content management and multi-channel publishing.About the RoleJoin our DevOps team and elevate our AWS cloud platform!As a Full Stack / Cloud Engineer, you will play an instrumental role in our transition to a SaaS model. You will be responsible for developing and maintaining our Assets Studio Server product while also enhancing our AWS cloud platform. Your contributions will ensure that our cloud products remain stable, secure, and high-performing for our global clientele.Your ResponsibilitiesDevelop and maintain the WoodWing Studio Server product utilizing PHP/SQL on our AWS cloud platform.Design, implement, and sustain automation processes for deploying and managing cloud environments using Infrastructure as Code.Collaborate with the team to enhance our platform, refine software, and facilitate customer migration to our cloud solution.Contribute to architectural and platform improvements with an emphasis on scalability and reliability.Participate in the on-call rotation.Create tools to streamline the management of customer environments.

About WoodWingAt WoodWing, we empower brands, agencies, and publishers to articulate their narratives effectively. Our cutting-edge digital asset management and multi-channel content creation solutions enhance operational efficiency, streamline workflows, and ensure timely content delivery across marketing and audience channels. Renowned for optimizing the content creation, management, and distribution processes, WoodWing's products are indispensable in publishing environments and are increasingly embraced by diverse industries for their digital content management and multi-channel publishing needs. About the RoleElevate our Assets platform on AWS. Engage with Java/Kotlin, Terraform, and Kubernetes—and make a global impact.As a Full Stack / Cloud Engineer, you will play a vital role in our DevOps team, fueling our transition into a SaaS enterprise. Your responsibilities will encompass both our product and platform as you develop and manage our Assets DAM product while enhancing our AWS cloud infrastructure. Your efforts will directly contribute to the stability, security, and performance of our cloud products for clients worldwide.Your ResponsibilitiesDevelop and maintain the WoodWing Assets product utilizing Java/Kotlin, Spring, and Elasticsearch on our AWS cloud platform.Design, implement, and uphold automation for deploying and managing cloud environments through Infrastructure as Code.Collaborate with the team to refine our platform, enhance the software, and facilitate customer migrations to our cloud solution.Contribute to architectural and platform improvements with a focus on scalability and reliability.Participate in the team's on-call rotation schedule.Develop tools to streamline the management of customer environments.

Are you passionate about the future of containers and do you thrive in a Kubernetes environment? As a vital member of our Platform Engineering team, you will take charge of establishing and managing our Kubernetes infrastructure to empower our international teams in both the Netherlands and Ukraine.What does a Platform Engineer do at Budget Thuis?In this pivotal role, you will contribute significantly to our dynamic Platform team. Collaborating with fellow Platform Engineers, your focus will be on the development and enhancement of container- and cloud-native solutions, particularly utilizing Kubernetes. You will strive to automate the build and deployment processes using Infrastructure as Code (IaC) principles, while also working on creating an Internal Developer Platform (IDP) solution.You will also take pleasure in providing technical guidance and support to fellow developers, fostering their growth and success. There is ample opportunity for you to evolve into a tech lead role as you progress in your career.Our team is compact, international, and driven, with a robust emphasis on collaboration. We are excited to explore emerging technologies from diverse perspectives and develop solutions tailored to our company's needs. We maintain an informal atmosphere where transparency and communication are highly valued. Each day begins with a stand-up meeting to discuss ongoing projects and offer support where needed.

As a Platform Engineer, you play a crucial role in enhancing the user experience for our clients and their communities. Your technical expertise allows you to simplify the daily lives of thousands, whether it’s by optimizing package delivery windows, improving travel plans with real-time train information, or developing our internal chatbot. Your contributions truly make a difference!You will design and build robust, secure, and scalable cloud infrastructures that serve as the foundation for our Data Engineering team’s efforts. Embracing Agile and DevOps methodologies, you are always keen to stay ahead of the latest technological advancements. Additionally, you will mentor your colleagues, enhancing their knowledge and skills through shared insights.Curious to learn more about this position? Check out the interview with our Platform Engineer Mark to discover his experiences.About UsThe Platform Engineering cluster consists of approximately 15 Engineers, Tech Leads, and Architects. What do we stand for? Technology, innovation, and exciting initiatives. We host hackathons, enjoy laser tag at the office, and bond over games of pétanque. A healthy dose of humor is always welcome!Hot ITem Conclusion believes in agile, data-driven organizations that stay ahead of the competition by quickly adapting to new developments. Everything we do aims to significantly enhance the performance of individuals, departments, and organizations in collaboration with our clients, based on high-quality data and insights into crucial matters.