Lead Tembo’s platform, reliability, and cloud infrastructure across AWS and Azure environments. You will work hands-on with Terraform, CI/CD pipelines, and infrastructure as code, maintaining systems for mortgage, savings, and operational platforms that support homeownership products. This director-level individual contributor role shapes infrastructure strategy, operational resilience, and production operations.

Build a production platform using FastAPI, React, GCP, PostgreSQL, Docker, Terraform, and Redis, developing agentic AI systems and evaluations for automated cyberattack investigations. You'll own reliability end-to-end, including CI/CD, SLOs, and incident response. This is a founding role at an AI-native Digital Forensics and Incident Response startup.

You'll develop high-assurance software using C++, Java, C#, Python, JavaScript, PowerShell, and Linux/Windows, with CI/CD and source-control tooling. The team delivers mission-critical cyber capabilities for UK national security programs, including secure-systems development, vulnerability research, and reverse engineering. No team size is stated.

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.

This role leads cybersecurity and internal systems for AIOS, which builds the world’s first full-stack AI doctor. You will own security strategy, identity and access management, endpoint security, incident response, and compliance with frameworks like HIPAA, GDPR, SOC 2, and ISO 27001, working across the company's healthcare, technology, and pharmacy platforms.

Build and scale Nxera Pharma’s computational drug discovery platform, working with Python, AWS, Docker, Prefect, GitHub Actions, Terraform/CDK, PostgreSQL, and Linux. You'll develop backend services, cloud infrastructure, CI/CD pipelines, and workflow orchestration alongside computational chemists and ML engineers. No team size is stated.

Work with Java (including JDK migration), Kotlin, Python, Kubernetes, ArgoCD, OpenTelemetry, and modern CI/CD pipelines to develop and maintain distributed services for ingesting and processing financial market reference data. You will modernize critical production systems, including a large-scale Java/JDK upgrade programme and improvements to platform reliability and cloud-native infrastructure.

Linux Engineers at Jane Street work with on-prem and cloud infrastructure, Linux, Nix, RPMs, and open-source tools across compute, storage, and networking. The role maintains the critical infrastructure underlying the firm’s technology, building in-house tools and automating systems.

DeepL★3.8 (4)· London

Work with Kubernetes, Terraform, ArgoCD, Go or Python, and AWS across hybrid on-prem and cloud infrastructure. The Hybrid Platform Engineering track builds and operates the compute layer—Kubernetes control plane, networking, storage, and core services—powering DeepL's language AI products and research. The role involves deepening the hybrid model and unifying workloads across on-prem and AWS.

Lead Azure/AKS and Terraform cloud infrastructure, build CI/CD pipelines and observability, and drive SOC 2/ISO 27001 compliance for Model ML, an AI platform serving global banks and private equity. As Head of Platform Engineering, you will scale the platform team from 3 to 9 engineers by 2026.

Work with Kubernetes, Docker, Java, Python, Go, JavaScript, Terraform, Ansible, CI/CD, and LLM/AI tooling. You’ll build and operate scalable services for UK government national-security data platforms, own production reliability, and deploy products into air-gapped estates via an in-house continuous-delivery engine.

FDJ UNITED★4.0 (96)· London

You'll lead a DataOps/MLOps team building an ML platform and data operations capability for FDJ United's Sportsbook, working with AWS, Terraform/CloudFormation, Spark, Kafka, and CI/CD pipelines for end-to-end ML lifecycle management. The role involves establishing best practices, monitoring, and governance while collaborating with Data Engineering, ML Engineering, Quants, and Data Science teams to personalize customer experiences and manage risk.

You will work with Microsoft Azure, Linux, Infrastructure-as-Code (Ansible, Terraform), monitoring tools (Zabbix, Azure Monitor), Azure Log Analytics, Power Automate, Cisco Meraki, and Palo Alto. The role supports the company's ambition to remain a technology leader by applying modern solutions and automation to its primarily cloud-based infrastructure.

You will work with AI, Azure, AWS, GCP, Terraform, Snowflake, and Foundry to accelerate public cloud AI maturity. This role bridges Front Office AI and Infrastructure teams, delivering AI expertise across the business at a FinTech firm.

This DevOps traineeship covers Linux, Git, Docker, container orchestration, AWS, Azure, Google Cloud, CI/CD, shell scripting, IaC, configuration management, monitoring, networking, and DevSecOps. It provides hands-on experience through realistic projects such as building CI/CD pipelines, deploying applications, managing containers, and automating processes, with no prior experience required.

Design, implement and maintain CI/CD pipelines, deploying and managing cloud infrastructure on AWS and/or Azure with Kubernetes. This role is with Closing Gap, a network placing DevOps engineers into enterprise-scale environments at leading UK technology organisations.

Senior Go engineers will work with Go, Kubernetes, cloud-native architecture, CI/CD, and large language models (LLMs). The role involves platform engineering and AI programme initiatives for a global financial leader, building secure, scalable AI platforms, agentic AI tooling, and deploying LLMs in a private enterprise environment.

You will conduct vulnerability research, reverse engineering, and exploit development using tools like IDA Pro, Ghidra, and Binary Ninja, working with C, C++, Assembly, or Rust. The team performs advanced cyber research on platforms, operating systems, and embedded systems to develop proof-of-concept exploits and bespoke tooling.

Microsoft★4.2 (9k)· London

Manage a team of Security Solution Engineers advising customers on Microsoft Security solutions including Defender XDR, Microsoft Sentinel, Microsoft Entra, and Microsoft Purview. The team supports customers in evaluating applications, recommending tailored solutions, and demonstrating technologies to win technical decisions.

Dataminr★3.6 (21)· London

Work with Palantir Foundry, Python, Java, SQL, TypeScript/JavaScript, Bash, Go, Docker/Podman, Kubernetes/OpenShift, and Linux. As a Forward Deployed Engineer, you deploy, build on, and operationalize Dataminr’s First Alert inside defense and NATO-aligned customer environments, designing data pipelines, ontologies, and applications on Foundry that fuse real-time intelligence with operational data.

As an IAM Senior Manager, you will work with IAM controls, automation, and solutions across identity, access, and privileged access management domains, as well as cloud identity controls and IAM software. You will lead complex IAM transformation and strategy engagements for Klynveld Peat Marwick Goerdeler International's corporate clients. You will manage engagement teams of 5-10 colleagues.

You will work with Azure DevOps Pipelines, CI/CD, Atlassian Confluence, Jira, PowerShell, Python, C#, SQL, and cloud deployments to Microsoft Fabric/Synapse/Azure, Snowflake, Power BI, and application security tools. You will help build automation, CI/CD pipelines, and release processes for in-house developed solutions at the Universities Superannuation Scheme pension scheme.

Work with AWS, Kubernetes, Terraform, Python, and IaC tools. Build and scale a critical AWS platform used across a bank, improving platform stability through new technology and processes.

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.