Deloitte★3.9 (14k)· London

You will design and continuously improve Next-Gen Detection and Response capabilities, working with SIEM/SOAR (Google SecOps), EDR/XDR (Crowdstrike, Microsoft Defender XDR), and NDR (Corelight) tools across hyperscaler environments. You bridge security strategy with technical blueprints, developing HLD/LLD documents within Agile, DevOps, or Kanban delivery models and using TOGAF. The role sits in Deloitte’s Cyber practice, solving clients’ toughest cyber security challenges.

AXA★3.9 (2.9k)· London

Design and implement secure architectures for enterprise security and AI/ML initiatives across AXA, using Docker, Kubernetes, cloud security, API security, micro-services, MLOps/MLSecOps platforms, threat modeling, and SSDLC. Defines technical security standards and reference architectures aligning with frameworks like NIST AI RMF and ISO/IEC 42001. Reports to the Chief Security Officer.

Vodafone★3.6 (3.2k)· London

Work with Elastic Stack, Python, Kubernetes, Terraform, Ansible, CI/CD, Git, and Linux on the Cyber Security/Prevent team, supporting security platforms and delivering hands-on automation engineering to improve reliability and resilience across Vodafone Group and local markets.

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.

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.

MAREX★3.2 (6)· London

Design and implement resilient data ingestion, orchestration, and provisioning using APIs, event streaming, CI/CD, and infrastructure-as-code for Marex's enterprise data products. This role supports the firm's global financial services platform by delivering trusted, reusable data assets and integration capabilities for operational, regulatory, and analytical use cases.

Nuffield Health★3.2 (939)· London

You will work with Java 21, Spring Boot, Maven, RabbitMQ, Apache Camel, Git, GitHub Actions, Docker, Azure DevOps, Terraform, Ansible, and SQL databases. The Integration Squad designs, develops, and supports microservices and APIs for Nuffield Health's digital healthcare platforms, enabling secure connectivity across internal and third-party systems.

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.

JPMorgan★3.9 (20k)· London

You will work with Java 17+, Spring/Spring Boot, REST APIs, AWS, Terraform, Infrastructure as Code, CICD, TypeScript, and React in a cloud platform engineering team that improves reliability, resilience, and observability of customer-facing digital banking services for Chase UK.

You will write KQL, Python, Terraform, and CI/CD pipelines, using Microsoft Sentinel, Azure, Kubernetes, M365 Defender, Entra ID, and Purview DLP. Collaborating with an in-house threat team and outsourced SOC, you build novel detection capabilities and tune security controls for a health-research organization aiming to prevent dementia, cancer, and other diseases.

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.

Morningstar★3.9 (185)· London

Design, build and maintain IAM solutions using Okta and Microsoft Entra ID, automating JML lifecycle with Okta Workflows and PowerShell. Integrate apps via SAML, OAuth, OIDC, SCIM, and support Active Directory, Group Policy, and Azure Application Proxy. The team underpins critical business services enabling key functions across the organization.

Principal Consultant combining cloud architecture expertise with consulting, delivery, and engineering leadership, using cloud technologies, DevSecOps, Infrastructure as Code, data engineering, analytics, and Generative AI. Provides technical leadership for client cloud adoption, optimization, and migration at Zuhlke, a consultancy specialising in tech strategy, business innovation, digital solutions, and device and systems engineering. Mentors and develops colleagues.

Use KQL, Microsoft Sentinel, and Microsoft Defender (Endpoint & O365) to design threat-led detections; maintain Azure cloud logging and Kubernetes environments. The role supports a biotech company that applies large-scale genetic data and AI to predict disease risk and advance precision healthcare, protecting sensitive genomic and AI-driven data.

You will work with AWS, Azure DevOps, GitHub, Kubernetes, Terraform, Docker, Linux, Python, and C#. This role is for a rapidly growing SaaS scale-up delivering a high-impact platform backed by major investment.

JPMorgan★3.9 (20k)· London

Lead a squad building scalable platform solutions, working with cloud-native systems, Kubernetes, Terraform/Crossplane, and enterprise-authorized AI-assisted development tools on GCP/AWS. You will drive engineering standards, manage production systems with a “you-build-it-you-run-it” model, and oversee incident response and automation. Manage and coach a team of software engineers within the Accelerator Business Platform Team at JPMorgan.

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.

Fitch Learning★3.5 (10)· London

You will work with AWS (VPC, EC2, ECS, EKS, ELB, S3, RDS), Docker, Kubernetes, Python/Go/PowerShell, Terraform, and ArgoCD. The role involves designing and managing CI/CD pipelines, implementing proactive monitoring and automation, and operating reliable cloud applications within the Cloud Infrastructure and Platform Engineering team at Fitch Learning.

JPMorgan★3.9 (20k)· London

You will build the next generation global-scale core banking platform using Go, Python, and/or Java, Kubernetes, Terraform, and cloud-native technologies, developing microservices, integrations, dashboards, and CI/CD pipelines. You will work on the Global Banking Platform team at JPMorgan Chase, with an initial secondment to a FinTech partner.

Design, build, and optimise enterprise-scale ETD middle office clearing platforms using Java, Spring Core, Spring Boot, and Python within Azure and Kubernetes environments. The role focuses on clearing solutions integrated with FIS CD Trade Clearing for critical trading operations.

Work with Azure (AKS, ACR, App Service, Functions, VNets, APIM, Front Door, Key Vault), Terraform/Bicep, GitHub Actions/Azure DevOps, Docker, and observability tools. Build and operate Azure-based CI/CD platform across multiple products for IP Development.

Work on an AWS Platform project using ECS, Lambda, IAM, CloudFront, and Terraform for Infrastructure as Code, with scripting in Python or Node.js and CI/CD pipelines.

You will work with Azure, AKS/Kubernetes, Terraform, and CI/CD tooling to build and improve CI/CD pipelines across multiple engineering teams. The company delivers technology solutions.

State Street★3.4 (3k)· London

You will design, build, and maintain automated test frameworks for digital asset platforms, focusing on API and backend testing of REST APIs and microservices deployed in containerized Kubernetes environments. The team develops mission-critical digital asset custody, tokenization, and settlement systems for a regulated financial services institution.

State Street★3.4 (3k)· London

Work with REST APIs, test automation frameworks, CI