380 jobs for “Software Engineer”
Cloudflare London
Join the Front Line group maintaining and developing Cloudflare's main web server, handling over 150 million HTTP requests per second. Work on a Rust-based platform to improve availability, safety, reliability, and observability, collaborating with over 20 teams on the same codebase.
Cloudflare London
Interns ship and deliver a project over 12-14 weeks with autonomy and mentor support, working cross-functionally on software that handles massive network traffic. Engineering teams use TypeScript/JavaScript, Go, Rust, C/C++ and Python in a microservices-based architecture, and interns present their work to the whole company at the end.
Nebius London
Builds and owns core components of a GPU-native serverless AI platform, spanning control plane, scheduler, runtime, autoscaler and customer-facing APIs. The role is end-to-end and high-ownership, tackling cold-start latency, GPU scheduling under contention, multi-tenant isolation and edge request routing while running the service with SRE practices.
Nebius London
Builds and maintains web access infrastructure for an agent-native search platform, diagnosing failed requests across network, TLS, HTTP/2 and browser layers. Develops browser-compatible clients and tooling, choosing fetch methods per host and tracking success at internet scale. Requires deep protocol, fingerprinting and client-side analysis expertise.
CrowdStrike Germany
Builds and operates large-scale data processing pipelines, storage systems and presentation layers for the Intelligence team, owning systems from design through prototyping, implementation and production operations. Works fully remotely across time zones, choosing your own tech stack and maintaining both new and legacy Go and Python services.
CrowdStrike Ireland
Builds and operates large-scale data processing pipelines, storage systems and presentation layers for the Intelligence team, owning systems from design through prototyping, implementation and production operations. Works fully remotely across time zones, choosing your own tech stack and maintaining both new and legacy Go and Python services.
The Business Connection London £100,000 – £130,000 pa
Join a core R&D team building high-performance, production-grade Rust for DTN products, platforms and APIs using gRPC and Protocol Buffers. You'll architect and scale distributed, cloud-native systems on Kubernetes, owning code from design through production, benchmarking performance for global deployments and supporting customer onboarding and integration.
Spectrum IT Recruitment London £90,000 – £100,000 pa
Lead software engineering on a government technology programme, building secure enterprise customer platforms. Day to day you'll write Python automation frameworks and internal tooling, create Terraform Infrastructure as Code, generate templates with Jinja2, automate Windows environments via PowerShell, manage Puppet configuration and build CI/CD integrations, working closely with cloud and platform teams.
ISR Recruitment United Kingdom £550 – £575 pd
Hands-on technical leadership role building backend services for a national data exchange platform, with no line management. You will code and design in Java and Spring Boot, build event-driven services with Kafka, deploy on Kubernetes/EKS across AWS and Azure, and mentor developers while ensuring zero-trust security and production readiness.
Team Energy Loughton £27,500 – £30,000 pa
Join an agile cross-functional team building large-scale enterprise software for UK energy suppliers, developing and maintaining Java and SQL applications, APIs and business services. You'll write automated tests, take part in code reviews, and gain exposure to DevOps, CI/CD, cloud and container technologies while supported by experienced engineers.
Databricks London
Embed with strategic enterprise customers to design, build and productionise custom fullstack data and AI applications on the Databricks Data Intelligence Platform. You own architecture and end-to-end delivery across data engineering, ML/AI integration and user-facing interfaces, partnering with Sales, Product and Field Engineering. Expect up to 50% travel to client sites.
Salt Search London £70,000 – £100,000 pa
A rapidly growing, well-funded AI technology company transforming the video security industry through computer vision, machine learning and real-time intelligence.They're expanding their London engineering team and seeking a talented Full Stack Software Engineer to build and scale their cloud-native AI...
Vantage Capenhurst £55,000 – £65,000 pa
Owns and improves cloud-hosted infrastructure, maintaining Azure DevOps CI/CD pipelines and provisioning with Terraform. Supports BAU operations, containerised applications and security controls while working closely with software development teams to streamline deployments and reduce their infrastructure burden.
The Portfolio Group London £100,000 pa
Designs, builds and maintains cloud-native platform infrastructure for large-scale AI and ML workloads, with Kubernetes environments, Terraform-based Infrastructure as Code and CI/CD automation as core duties. Works closely with software, data and ML engineers to improve reliability, observability and deployment workflows, with Kubeflow and ML tooling listed as desirable.
Catalyst Newcastle upon Tyne £60,000 – £100,000 pa
Design and build scalable data pipelines and platforms that support analytics and AI-driven products, integrating data from diverse sources. Develop production-grade applications and APIs while ensuring data reliability and quality. Work with cloud infrastructure and modern DevOps practices to deliver robust, automated data solutions.
