Cloud Performance Engineer - London

Salary: £62,000 - 102,000 per year

Requirements:

• We have 4+ years of experience working with Amazon Web Services (AWS), with deep knowledge of networking and compute services including EC2, VPC, and Direct Connect, plus a good overview of the AWS service landscape and core concepts such as IAM.
• We have experience using IaC tools such as Terraform to manage cloud infrastructure and a broad set of compute and networking resources, including Docker, Kubernetes, and Cisco devices.
• We have experience with network fundamentals, including DNS, DHCP, TCP/IP, routing, switching, HTTP, and major routing protocols.
• We have a solid understanding of Linux systems and the Linux network stack.
• We have a strong background in automation through Bash scripting and Python programming, ideally in conjunction with orchestration through serverless cloud services.
• We have demonstrable experience working with modern AI coding agents, balancing rapid prototyping with critical review to ensure simplicity and quality of deliverables.
• We are able to implement systems with a security-first mindset, adhering to firm-wide security policies and best practice implementations.
• We have strong problem-solving skills and the ability to independently drive work to completion.
• We have strong communication skills and the ability to collaborate across teams.
• Preferred: we have experience building data pipelines for centralizing structured data.
• Preferred: we have experience with Cisco routing and switching hardware.
• Preferred: we have experience working with Google Cloud Platform.
• Preferred: we have experience programming in a compiled language, preferably Go or C++.
• Preferred: we have experience with Linux kernel bypass techniques such as DPDK.

Responsibilities:

• We design and implement cloud and hybrid cloud architectures for latency-sensitive trading workloads.
• We build and maintain systems that continuously monitor the latency characteristics of distributed hybrid workloads.
• We work on orchestration tooling for provisioning cloud resources as well as networking configurations and server-side processes.
• We build backend systems for collecting performance metrics and tooling to query it.

Technologies:

• AI
• AWS
• Backend
• Bash
• Cloud
• Cisco
• Docker
• EC2
• Hardware
• HTTP
• IAM
• Kubernetes
• Linux
• Network
• Python
• Security
• Serverless
• TCP/IP
• Terraform
• Web
• DevOps

More:

We are DRW, a diversified trading firm with over three decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading at our own risk. We are headquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, and we trade a variety of asset classes including Fixed Income, ETFs, Equities, FX, Commodities, and Energy across all major global markets. We have also leveraged our expertise and technology to expand into three non-traditional strategies: real estate, venture capital, and cryptoassets. We operate with respect, curiosity, and open minds, and we are a place of high expectations, integrity, innovation, and a willingness to challenge consensus. We are seeking a Cloud Performance Engineer to join our Cloud Performance Team and work alongside cloud engineers, software developers, Linux- and network engineers to optimize performance end to end.

last updated 34 week of 2026