Cloud Performance Engineer

P2P; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

DRW in London is seeking a Cloud Performance Engineer to design and optimize latency-sensitive trading workloads in a hybrid cloud. You will work with cloud engineers, software developers, Linux- and network engineers to deliver end-to-end performance improvements.

The role emphasizes AWS, IaC with Terraform, Linux, Python and Bash automation, plus networking and security best practices. You should be comfortable prototyping with AI coding agents while maintaining simplicity and reliability.

Qualifications

• 4+ years of experience with AWS including EC2, VPC and Direct Connect
• Experience using Terraform to manage cloud infra and compute/network resources (Docker, K8s, Cisco devices)
• Experience in network fundamentals and routing protocols
• Strong Linux and Linux networking knowledge
• Automation experience with Bash and Python, with serverless orchestration
• Experience with AI coding agents for rapid prototyping and quality
• Security-minded implementation and adherence to policies
• Strong problem-solving and cross-team collaboration skills

Responsibilities

• Design and implement cloud and hybrid cloud architectures for latency-sensitive trading workloads.
• Build and maintain systems to monitor latency characteristics of distributed workloads.
• Work on orchestration tooling for provisioning cloud resources and networking configurations.
• Develop back-end systems for collecting performance metrics and querying them

Skills

AWS expert

Networking knowledge

Linux systems

Python scripting

Bash scripting

Go / C++

AI coding agents

Security mindset

Communication

Tools

Terraform

Docker

Kubernetes

Cisco devices

Google Cloud Platform

Job description

DRW is a diversified trading firm with over 3 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.

Headquartered in Chicago with offices throughout the U.S., Canada, Europe, and Asia, 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. The people who thrive here share our belief that it’s not just what we do that matters–it's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus.

We are seeking a Cloud Performance Engineer to work with technology teams across the firm to build high-performance cloud solutions for trading workloads. You will join the Cloud Performance Team, working alongside cloud engineers, software developers, Linux- and network engineers to optimize performance end to end.

The ideal candidate draws on experience in cloud technology, systems engineering, networking and automation.

What you will do in this role:

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

Required Qualifications:

• 4+ years of experience working with Amazon Web Services (AWS), with deep knowledge of networking and compute services (EC2, VPC, Direct Connect). Good overview of the AWS service landscape and core concepts such as IAM
• Experience in using IaC tools such as Terraform to manage both cloud infrastructure and a broad set of compute and networking resources (docker, K8s, Cisco devices)
• Experience in network fundamentals (DNS, DHCP, TCP/IP, routing, switching, HTTP) and major routing protocols
• Solid understanding of Linux systems and the Linux network stack
• Strong background in automation via Bash scripting and Python programming, ideally in conjunction with orchestration through serverless cloud services.
• Demonstratable experience working with modern AI coding agents, balancing rapid prototyping with critical review to ensure simplicity and quality of deliverables
• Able to implement systems with a security-first mindset, adhering to firm-wide security policies, and best practice implementations.
• Strong problem-solving skills and the ability to independently drive work to completion
• Strong communication skills and ability to collaborate across teams

Preferred Qualifications:

• Experience building data pipelines for centralizing structured data
• Experience working with Cisco routing and switching hardware
• Experience working with Google Cloud Platform
• Experience programming in a compiled languages (preferably Go or C++)
• Experience with Linux kernel bypass techniques such as DPDK.

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