Top Tech Jobs & Startup Jobs in London

Support and advance the application security program: review designs and architecture, advise engineering/DevOps on secure SDLC practices, run static/dynamic scans and manual assessments, triage external pentest and bug-bounty findings, and drive security process improvements.

Senior Software Engineer on the Customer Analytics Engineering team building scalable backend services in Java (JDK11+). Design, develop, and maintain analytics platform features, optimize SQL for MySQL and Snowflake, troubleshoot production issues, improve architecture and performance, participate in code reviews, mentor teammates, and drive modernization and technical debt reduction.

Collaborate with development teams to deploy and maintain applications on GCP using Kubernetes, Docker, Helm, ArgoCD and Terraform. Build automation pipelines, support deployments/upgrades/troubleshooting, manage infrastructure as code, document processes, and participate in on-call rotation.

Support and automate application and data infrastructure: deploy and maintain Kubernetes containerized applications, build automation pipelines, manage Linux servers, assist with data pipelines/ETL, troubleshoot deployments and third-party services, and document operational best practices while collaborating with developers and data engineers.

Technical lead and architect for infrastructure, automation, and deployments. Own IaC, CI/CD, release engineering, observability, and production reliability across Windows and Linux platforms. Design Windows HA/clustering, build Terraform/Ansible standards, manage Octopus/GitHub deployments, set monitoring/alerting with VictoriaMetrics/Prometheus, lead incident response, mentor engineers, and maintain runbooks and platform roadmaps.

Design, implement, and operate shared Resource Plane services (event streaming, messaging, caching, object storage, logging). Run Kafka, RabbitMQ, Redis, and Elasticsearch in production, apply SRE practices, build IaC/GitOps automation, define platform guardrails, integrate services into the IDP, participate in on-call, lead incident response and reliability improvements, and contribute to architecture and roadmap planning.

Design, build, and maintain backend API and database services for a cloud PBX platform. Drive architecture, performance optimization, debugging, CI/CD and test automation, and collaborate with QA. Mentor peers and raise engineering standards while safely evolving high-load, networked systems.

Hands-on technical lead for a small engineering team building and maintaining complex VoIP/PBX systems. Own delivery, code quality, technical direction, sprint activities, code reviews, story refinement, and act as escalation for complex technical issues.

Maintain and automate cloud infrastructure and CI/CD for a globally available WebRTC video conferencing service. Build IaC with Ansible and Terraform, manage AWS resources, deploy to Linux, Windows and Kubernetes, troubleshoot test environments, lead incident response and root cause analysis, and automate repetitive tasks to support development and production delivery.

Source and engage technical talent across Europe for engineering, cloud, security, AI, and product roles. Build pipelines via LinkedIn, GitHub, Stack Overflow, and events; conduct outreach and qualification; partner with recruiters and hiring managers; provide market intelligence; maintain candidate data in Pinpoint ATS and track sourcing metrics.