Lovable★4.0 (43)· London

Uses Go, Rust, TypeScript; AWS, Azure, Google Cloud, Cloudflare; Kubernetes, Terraform, Temporal, OTEL, CI/CD; PostgreSQL, ClickHouse, Firestore, Spanner, BigQuery. Builds the platform for Lovable Enterprise enabling secure, cloud-agnostic deployment, defining architecture for sandboxing, networking, encryption, identity, and mentoring engineers.

Lead DevOps Engineer: work with AWS, Azure, GCP, Terraform, Linux/Unix, Python/Go/PowerShell/Nodejs/C#, and CI/CD tools (Octopus/TeamCity/Jenkins/Azure DevOps). Role is at a tech consultancy building and running cloud infrastructure, automating deployments with IaC, and managing a team of engineers.

Work with Terraform, Ansible, Kubernetes, Python, Bash, Go, Jenkins, GitHub Actions, Prometheus, and Grafana to build infrastructure automation platforms supporting python-based quantitative research and trading systems. Manage on-premises resources across Ubuntu and Windows Server environments.

You will work with Unix/Linux, JavaScript, a ticketing system, and networking infrastructure tools. As a Support Engineer on the Global Support Engineering team, you will resolve technical issues with ExtraHop's network detection and response (NDR) product and assist customers with hardware, firmware, and third-party integrations.

Manage a team of test and DevOps engineers building CI/CD, Yocto-based embedded Linux, test automation, and cloud infrastructure (Python, C/C++, AWS/GCP/Azure) for non-invasive neuromonitoring medical devices.

The role involves troubleshooting network infrastructure, hardware, firmware, and third-party integrations using a ticketing system and video/phone channels. Preferred technologies include Unix/Linux

Lead a team of test and DevOps engineers owning CI/CD, Yocto-based embedded Linux, and test automation infrastructure. The role uses Python, C/C++, infrastructure-as-code (Terraform, CDK), and cloud platforms (AWS/GCP/Azure) for a non-invasive neuromonitoring medical device company.

Lovable★4.0 (43)· London

Build enterprise deployments using Go, Rust, and TypeScript on AWS, Azure, and Google Cloud, with Kubernetes, Terraform, and Temporal. You will build the platform that allows large customers to run Lovable securely and at scale across every major cloud provider.

Apple★4.1 (14k)· London

Use Golang, C++, Java, or Python along with Kubernetes, Cassandra, Zookeeper, Kafka, Redis, and other open-source tools to build and support Apple's next-generation infrastructural platform for iCloud and backend services at hyperscale. The role includes technical leadership of projects or small teams, developing resilient API-driven services.

Apple★4.1 (14k)· London

You'll work with Go, Python, Linux, and distributed systems including object stores, databases, and data pipelines on private/hybrid cloud. The team builds and operates the data platform infrastructure behind Apple’s services (iCloud, iTunes, Siri, Maps), keeping petabyte-scale workloads reliable and performant.

TEKsystems★3.8 (4.7k)· London

Building distributed backend services using Java, Kotlin, and TypeScript with AWS and Infrastructure as Code (AWS CDK). The team designs and operates large-scale cloud services supporting millions of customers globally.

At Axon Labs you will own production infrastructure across multi-region cloud and latency-sensitive environments using AWS, Python, C++, Kubernetes, Terraform, CI/CD, PostgreSQL, TimescaleDB, Kafka, Redis, low-latency messaging, Grafana, Prometheus, and Loki. The company is a systematic trading and research lab that builds decision engines running in live markets, with multiple strategies already in production across venues.

You will work with Keyfactor, EJBCA, Azure AD, ADCS, ADFS, NDES, PowerShell, HSM, and CLM tools. This contract role involves designing, deploying, and managing certificate lifecycles in PKI and cloud identity platforms.

Cboe Global Markets★3.7 (14)· London

You will work with Cisco, Arista, Palo Alto; BGP, OSPF, MPLS, multicast, HSRP; AWS; UNIX/Linux; packet analysis tools (tcpdump, Wireshark, tshark); and scripting/automation. As a NOC Engineer, you operate and support network connectivity across distributed, latency-sensitive trading platforms for Cboe Global Markets, a market

Build and operate a Kubernetes-native cloud platform for GPU inference workloads, using Python or Go. You'll lead technical designs, own areas like request routing and adaptive scheduling, and implement optimizations such as speculative decoding and KV-cache reuse, working with Prometheus, Grafana, and OpenTelemetry.

Build and own the cloud infrastructure for live AI-driven trading systems, using AWS, Kubernetes, Terraform, Python, Kafka, PostgreSQL, Redis, and ClickHouse. You will design deployment pipelines, multi-region environments, and observability with Grafana, Prometheus, and Loki. This is a founding engineering role, giving you direct ownership of the platform and architecture.

Design and build fault-tolerant, high-performance systems for serving LLMs, working with Python, Go, Rust, or C++, Docker, Kubernetes, AWS, or GCP, and LLM serving frameworks.

Work with Cisco, Arista, Palo Alto, AWS, BGP, OSPF, MPLS, multicast, HSRP, tcpdump, Wireshark, UNIX/Linux, scripting, and APIs. As a NOC Engineer, you operate and support network connectivity across latency-sensitive trading platforms spanning on-prem and cloud environments. No team scope is stated.

You’ll work in Rust, C, or C++ on the Agave client’s block-production pipeline, designing shared-memory systems and optimizing scheduling, verification, and throughput for the Solana network at a Solana R&D lab.

You will design and build the agent sandboxing platform using Go or Rust, working with containerization (Docker, Firecracker, gVisor) and virtualization technologies on Linux. The team provides a secure, high-performance code execution layer for agentic workflows deployed across internal and customer-managed environments.

IG Group★2.7 (13)· London

You will work with Honeycomb, OpenTelemetry, Java, Python, C++, and Terraform. You will build and maintain the observability platform for IG Group’s globally distributed microservices trading systems. This individual contributor role is part of the Observability team within SRE and Platform Engineering.

Morgan Stanley★3.8 (5.4k)· London

Work with routing/switching (OSPF, BGP, VxLAN), Cisco and Arista platforms, Ansible, Python, Terraform, Git, Jira/Agile, and monitoring tools. You'll deploy and support enterprise network infrastructure (data centers, campus, branch) for the firm's internal and customer-facing platforms as part of the Infrastructure Production Management & Reliability Engineering team, providing Tier-3 support and leading major incident response.

You will use Red Hat Enterprise Linux, Python, SaltStack, Puppet, Chef, Git, Jenkins, and CI/CD tools to automate configuration, patching, and deployment for a global investment bank’s large-scale Linux platform. You will also develop infrastructure tooling, troubleshoot hardware, OS, network, and storage issues, and contribute to new platform solutions.

You will work with RedHat Linux, SaltStack, Puppet, Chef, Python, Git, Jenkins, CI/CD, and container technologies. The team maintains and enhances a large-scale, globally deployed RedHat Linux platform, driving automation, scalability, and platform reliability.

CrowdStrike★3.8 (54)· London

You will work with Go (Golang) or C++, AWS/GCP/Azure/Kubernetes, Kafka, Cassandra, Docker, and Redis. This role is on the CrowdStrike Detection Engine platform team, which builds a next-generation platform for creating advanced, unified detections across CrowdStrike’s Falcon products, processing internet-scale data streams for real-time detection generation.