You'll work with AWS, GCP, SIEM, EDR, DLP, MDM, Python, Go, and TypeScript. Risk Ledger builds a network for supply-chain organisations to share security maturity and visualise risks. You'll mature security operations, detection, incident response, and cloud security across cloud, endpoint, and SaaS environments.

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.

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.

HSBC★4.0 (16k)· London

Work with Python, Docker, Kubernetes, Flask/FastAPI, PyTorch/TensorFlow, SQL Server/Postgres, and CI/CD pipelines to build and deploy production-grade ML and GenAI services. You will join the Growth AI programme within HSBC’s Corporate & Institutional Banking Data & Analytics, developing AI applications to identify business opportunities and mitigate client attrition.

NatWest Group★3.7 (1.2k)· London

You'll work with Mainframe hardware (DASD, SAN/FICON, IBM z), automation scripting (Python/Shell), infrastructure as code, GDPS, and CI/CD pipelines. As part of NatWest Digital X, you'll engineer hardware solutions for the Mainframe environment, applying automation to improve products. This technical lead role guides a team but no team size is specified.

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

Design, configure and manage Mainframe Hardware solutions including DASD, SAN/FICON connectivity, and network infrastructure, using automation scripting (Python or Shell). You will engineer infrastructure-as-code for the Mainframe environment at NatWest Digital X, supporting hardware migrations between IBM z Mainframes and GDPS architectures. This is a technical lead role.

You will work with Java, JavaScript, APIs, Microservices, AWS, CI/CD pipelines, and scripting in Python, Shell, or PowerShell (Docker, Kubernetes, Terraform, or CloudFormation are nice to have). As a Java Support Engineer, you will manage P1–P3 production incidents, perform root cause analysis, support deployments, improve monitoring and automation, and mentor junior engineers.

Appvia★0.0· London

Work with AWS, infrastructure as code, Linux, automation, CI/CD, containers, and DevOps practices within Appvia's AWS Practice. You will join a six-person cohort supporting a new platform engineering programme for a UK public sector customer.

Work with C++, Java, C#, Python, JavaScript, or PowerShell across Linux, Windows, and CI/CD pipelines. You will design and develop high-assurance software for mission-critical cyber and national security programmes.

You will work with Java, JavaScript, Python/Shell/PowerShell, AWS, CI/CD pipelines, and API/microservices debugging, with nice-to-have exposure to Docker, Kubernetes, Terraform, and CloudFormation. The role is a Support Engineer focused on technical troubleshooting across applications and infrastructure.

WPP Enterprise Solutions seeks a Principal Technical Architect to design AWS serverless and agentic AI platforms (Bedrock, RAG, MCP) using TypeScript/JavaScript, IaC (Terraform/CDK), and CI/CD. The role leads client engagements on scalable, production-grade commerce and agentic AI systems within the Commerce & Technology division, owning architecture, governance, and hands-on delivery.

VML★3.6 (80)· London

Lead and design agentic AI platforms and enterprise cloud applications on AWS, using serverless patterns, Bedrock, and orchestration/RAG/memory components alongside TypeScript/JavaScript, Terraform/CDK/CI/CD. The role, within VML's Commerce & Technology division, builds production-grade AWS solutions for global brand digital experiences and guides clients on Agentic Commerce standards.

You will work with JavaScript, TypeScript, and offensive security tools for penetration testing, reverse engineering, and vulnerability assessments. You join a specialist security team at a global leader in Computer Vision, AI, and biometric identity, acting as the bridge between Security and Engineering to embed security throughout web application development.

American Express★4.1 (9.7k)· London

You will work with PowerShell, Python, AWS, Azure, Google Cloud, Java, HTML5, JavaScript, .NET, DevOps, and SRE tools. The Enterprise Technology Services organization powers the company’s growth by delivering technology, digital, and data capabilities globally, and your team provides 24x7 support for technology engineering, architecture, and infrastructure to ensure high product availability.

International Rescue Committee★4.2 (794)· London

Work with Anthropic (Claude), OpenAI, Python, and JavaScript/TypeScript to administer enterprise AI platforms, build integrations, and manage API access, configurations, and automations. You will maintain the systems, infrastructure, and pipelines that power AI tools for the International Rescue Committee’s humanitarian programs and operations.

You will work with PowerShell, Python, Java, HTML5, JavaScript, .NET, AWS, Azure, Google Cloud, network protocols, automation tools, and DevOps practices. The Enterprise Technology Services team provides 24x7 global support for American Express’s technology engineering, infrastructure, and cloud services to ensure high product availability.

LSEG★3.7 (402)· London

Use tools like Burp Suite, command-line tools, custom scripts, and automation; cloud platforms (AWS, Azure, GCP) and containerized environments (Docker, Kubernetes); and secure coding practices in Java/Springboot, .NET, JavaScript/Node, or Python. The role bridges offensive security and engineering by translating penetration test results into remediation guidance for application and platform teams within LSEG's internal offensive security team.

NatWest Group★3.7 (1.2k)· London

You'll work with scripting and orchestration, Atlassian products (Jira, Confluence, Jira Service Management), Workato, Jamf Pro, MacOS, Google Workspace, Slack, GitHub, and IAM/SSO tools. As part of the Colleague Technology Services team, you'll automate and manage NatWest Boxed's internal technology environment and productivity solutions. This is a technical lead role.

The role involves Python, FastAPI, Docker, Kubernetes, CI/CD, MLOps tools (MLflow, Weights & Biases), and workflow orchestration (Airflow, Prefect, Kubeflow) for deploying and monitoring ML models in production. You'll build and maintain ML infrastructure, pipelines, and observability for an edge computing environment at a company scaling its ML platform.

You'll use scripting and orchestration tools, Atlassian products (Jira, Confluence, Jira Service Management), Workato, Jamf Pro, MacOS, Google Workspace, Slack, GitHub, and identity/access management tools. As part of the Colleague Technology Services team at NatWest Boxed, you'll manage and automate internal technology applications and operational processes to improve efficiency.

Python, JavaScript, AWS (EC2, S3, RDS, Lambda, VPC, IAM, CloudWatch), and Terraform (EKS), plus Docker and Kubernetes, to build scalable data pipelines and cloud-native platforms for the horse racing division of a sports performance data company. You will lead an engineering team and collaborate with Product, Data Science, UX, and DevOps teams.

LogicMonitor★4.1 (33)· London

LogicMonitor’s Senior Solutions Engineer works with Python, Go, Java, JavaScript, REST APIs, Docker, AWS and automation tools (Ansible, Chef, Puppet) to design, code and test custom integrations. The Professional Services team delivers complex technical solutions for enterprise customers, leading large-scale deployments.

CrowdStrike★3.8 (54)· London

You'll work with AWS, GCP, Kubernetes, Kafka, Golang, Python

Elliptic★0.0· London

Design, provision, and manage resilient infrastructure using Kubernetes, Terraform, AWS, GCP, CI/CD (GitlabCI, CircleCI, GitHub Actions), GitOps (ArgoCD, FluxCD), and observability tooling (Splunk, DataDog). You will support the engineering team behind Elliptic’s platform that traces and disrupts illicit crypto transactions across blockchains.