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.

NiCE★3.4 (30)· London

You'll work with Python, Go, Java, C#, Bash, PowerShell, AWS (EC2, ECS, Lambda, DynamoDB), CloudFormation, Terraform, Jenkins, GitLab CI/CD, CircleCI, Docker, Kubernetes, Prometheus, Grafana, ELK stack, Cloudwatch, and optionally Grafana Observability Suite, Splunk, Datadog, PagerDuty, Rundeck, Ansible, Puppet, Chef. As an individual contributor, you'll run production, improve reliability, and support multiple large distributed software applications for NiCE, a provider of customer experience, financial crime, and public safety software.

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.

Cato Networks seeks a Senior Full Stack Engineer for their secured access team to design and build web security solutions and internal infrastructure platforms using Java, Go, Spring Boot, GraphQL, PostgreSQL, MySQL, MongoDB, and Redis. The role involves end-to-end development from large-scale data processing to web interfaces, working on enterprise SaaS microservices at scale across security products and infrastructure. Requires 6+ years backend development experience, SaaS microservices expertise, and familiarity with relational/non-relational databases in CI/CD environments.

Work with AWS, Kubernetes, Docker, Terraform, CloudFormation, Python, Go, Jenkins, GitLab CI/CD, Prometheus, and Grafana. You will run production environments, build and automate infrastructure, and improve reliability for NICE’s suite of distributed software solutions.

JPMorgan★3.9 (20k)· London

Works with AWS, Python, Grafana, Dynatrace, Prometheus, Datadog, Splunk, Jenkins, GitLab, Terraform, ECS, Kubernetes, and Docker. As a lead on the Infrastructure Platforms team, you improve reliability and stability of applications/platforms, conduct resiliency design reviews, and mentor engineers.

You will work with SIEM platforms (Splunk, Microsoft Sentinel, QRadar, Elastic, LogRhythm, ArcSight, Exabeam), SOAR tools, and scripting (Python, PowerShell). You will enhance and mature a global professional-services firm's security monitoring platform by onboarding log sources, developing detection use cases, and supporting incident response.

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 work with Java 11+, Spring Framework, Hibernate, REST microservices, AWS (Lambda, ECS, EKS), Terraform, and Kubernetes (deployments, ingress, autoscaling, monitoring). This role is with LA International Computer Consultants Ltd, an IT consultancy. No specific team or project scope is listed.

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.

Dynatrace★4.2 (100)· London

You will evangelize Dynatrace's telemetry pipeline using Bindplane, OpenTelemetry, Fluentd, Logstash, Fluent Bit, event-streaming (Kafka, Kinesis, Pub/Sub) and cloud-native ecosystems (AWS, Azure, GCP, Kubernetes). The role drives adoption of Dynatrace's AI-powered observability and security platform, advising on data routing and analytics. You will partner with Global Sales and Customer Success teams in a specialist pre-sales capacity.

Community Fibre Limited★3.3 (55)· London

You will work with AWS, Linux (Ubuntu, Debian, CentOS, RHEL), Python, Bash, Perl, Terraform, Puppet, Ansible, CI/CD pipelines, FreeRADIUS, Palo Alto Networks, FreeIPA, iptables, and OpenSearch/Elastic Stack. Community Fibre builds and operates London’s fastest 100% full-fibre broadband network. You will maintain both cloud and on-premises infrastructure, mentor other engineers, and act as a senior escalation point.

Supports log ingestion and transformation; develops, tests, and tunes SIEM detection rules using SQL, Splunk SPL, and Linux command-line tools. Works with AWS, Terraform, Ansible, Git, Bash, and Python to improve cyber threat detection across security, cloud, and infrastructure telemetry.

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.

You will work with SIEM platforms including Splunk, Microsoft Sentinel, QRadar, Elastic, ArcSight, LogRhythm, or Exabeam, along with SOAR tools, scripting in Python and PowerShell, and cloud platforms such as Azure, AWS, and GCP. Your role advances the maturity of the SIEM platform by onboarding log sources, optimizing data pipelines, and developing detection use cases aligned to MITRE ATT&CK to improve security monitoring and response.

Work with Dynatrace (OneAgent, ActiveGates, PurePath, Smartscape), AWS, Kubernetes, Docker, Java, Angular, Python, Shell, and OpenTelemetry. Lead design and optimization of application performance monitoring for enterprise systems in cloud and microservices architectures.

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.

You will work with AWS, Kubernetes (EKS), Terraform, Docker, Helm, CircleCI, Datadog, Cloudflare, Go, GraphQL, gRPC, MySQL, PostgreSQL, Redis, and GCP. The role owns infrastructure, developer experience, and platform reliability for a fast-growing workspace technology company. This is a hands-on engineering position spanning Platform Engineering, DevOps, Cloud Security, and backend development.

Herbert Smith Freehills★4.1 (52)· London

Design, implement and maintain observability frameworks using Nexthink, APM, and monitoring tools. Instrument microservices with distributed tracing, metrics, logging, and automation to provide full-stack visibility. Collaborate with SRE and DevOps teams to optimize performance across cloud and application layers at a global law firm.

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.

Visa★3.9 (1.2k)· London

Work with Kong API gateway (Lua plugins), Java/Spring Boot, Datadog, Kubernetes, and GenAI tools on Visa’s Edge team, which owns the API Gateway and authentication layer—the critical path for all external API calls. This is a small, high-leverage team designing and operating systems to keep the platform available, secure, and easy for partners to integrate with.

State Street★3.4 (3k)· London

Build Java REST APIs with Spring Boot, deploy containerized microservices on Kubernetes (AKS), and use Oracle databases. You will join the Digital Asset development team to build secure, resilient API services supporting institutional digital custody, tokenization, transfer agency, and digital cash/settlement workflows.

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.

Elliptic★0.0· London

Work with Kubernetes, CNCF tools (Istio, Linkerd, Cluster API, Kyverno, Flux, Flagger, Crossplane, OPA), Terraform, GitOps, and observability platforms like DataDog. The team builds and evolves the internal developer platform and infrastructure for Elliptic’s blockchain intelligence product that traces illicit crypto transactions. You will lead a team of DevOps engineers.

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.