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, ob…

Why Choose Nebius?Nebius is at the forefront of a transformative era in cloud computing, dedicated to empowering the global AI economy. Our innovative tools and resources enable our clients to overcome tangible challenges and revolutionize industries without incurring hefty infrastructure costs or the necessity of developing extensive in-house AI/ML teams. Our workforce operates at the intersection of AI cloud infrastructure, collaborating with some of the most seasoned and creative leaders and engineers in the sector.Our Work EnvironmentLocated 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 consists of over 1400 professionals, including more than 400 highly skilled engineers with profound expertise in both hardware and software engineering, along with an internal AI R&D division.The RoleThe Virtual Private Cloud (VPC) team is responsible for constructing and managing the foundational networking layer of our cloud platform. We facilitate reliable communication between virtual machines by abstracting them from the physical network, ensuring seamless IP-based connectivity as workloads traverse the data center.Our team is tasked with designing secure, isolated private networks for our clients, connecting them to the public internet, and delivering essential networking services such as load balancers, firewalls, and security groups. Given that nearly every cloud application is network-dependent, VPC serves as a critical service for the entire platform.Prioritizing stability and resilience, we engineer systems to remain dependable and operational even amidst cloud component failures.Key Responsibilities:Enhance service scalabilityDevelop service functionality (e.g., IPv6 support, service endpoints, VPC peering, Layer 7 load balancers, and additional networking services)Refine internal architecture to optimize interaction with related servicesIn this role, your responsibilities will include:Developing control and data planes for Nebius Cloud network servicesEnhancing service performance and reliabilityAutomating complex cross-service interaction scenariosConducting load testing for services

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.

We are seeking a skilled Cloud Engineer to join our innovative team at dept. As a Cloud Engineer, you will play a pivotal role in designing, implementing, and managing cloud infrastructure and services. You will collaborate with cross-functional teams to ensure the seamless operation of cloud solutions that meet our clients' evolving needs.

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 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.

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!

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 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 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 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.

Sia is in search of talented and motivated Senior Consultants who are passionate about fostering relationships and achieving impactful results. We value candidates with a strong academic background and pertinent professional experience. Our philosophy emphasizes trust in our employees, encouraging you to assume responsibility and contribute to your personal growth from the outset.As a Senior Consultant, you will engage in various projects, focusing on the following key areas:Redesigning the financial organization for our clientsEstablishing robust business and financial controllership foundationsRegaining control over the financial implications of business processesEnhancing and expediting financial closing, consolidation, and the overall efficiency of planning, budgeting, and forecasting processesYou will also have the chance to play an active role in Sia’s internal initiatives:Contributing to the development and refinement of our service offerings by interpreting financial performance and strategic insightsEngaging in business development through defining client needs and participating in commercial initiativesWith an entrepreneurial spirit, you are invited to join us in a rapidly expanding company.

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.

Why Join Nebius?Nebius is pioneering a transformative approach in cloud computing, catering to the burgeoning global AI economy. We equip our clients with the essential tools and resources they need to tackle real-world problems and revolutionize industries—all while minimizing infrastructure costs and eliminating the necessity of building extensive in-house AI/ML teams. Our team operates at the forefront of AI cloud infrastructure, working alongside some of the most seasoned and innovative leaders and engineers in the industry.Our Work EnvironmentBased in Amsterdam and publicly traded on Nasdaq, Nebius boasts a global presence with R&D centers across Europe, North America, and Israel. Our workforce comprises over 1,400 employees, including more than 400 highly skilled engineers with extensive expertise in both hardware and software engineering, complemented by an in-house AI R&D team.Job Overview:Location: AmsterdamDuration: 3 monthsStart Date: June 2026Compensation: Paid InternshipEligibility: Current University student (in Computer Science or a related field), Recent Graduate, or Early Career SpecialistWork Authorization: Must be authorized to work in the job's location.Role ResponsibilitiesWe are seeking an Early Talent to assist in developing cloud-based integrations on Microsoft Azure. You will collaborate with seasoned engineers and gain practical experience in building API-driven and cloud-native integration solutions.