380 jobs for “Software Engineer”
Cloudflare London
Builds new features and systems for Cloudflare's edge web server, focusing on the rules engine and its control plane. Works in Rust and Go on large-scale distributed systems, performance engineering, and reliability across a platform serving over 100 million HTTP requests per second.
Cloudflare London €54,000 – €75,000 pa
Builds and operates microservices behind Cloudflare's Application Security products such as Rate Limiting and Web Application Firewall, working mainly in Rust and Go. Spans the full development lifecycle, from design and documentation to automated tests and production monitoring, with on-call duties and mentoring expected.
Nebius Israel; Netherlands; Remote - Europe; United Kingdom
You will modify Chromium's core (Blink, V8 integration, compositor, network service) to cut CPU, memory and startup cost per page, stripping out image/media decoding, font downloads and GPU work for agent workloads while preserving script behaviour. The role also covers profiling browser fleets, managing process models and building launch, pooling and recycling infrastructure.
Nebius London
Builds and operates web-scale crawling and ingestion infrastructure for an agent-native search platform, handling billions of URLs with a focus on coverage, freshness and reliability. Involves crawl scheduling, URL discovery, deduplication, content extraction and observability, working closely with indexing and ML teams.
CrowdStrike Romania
Builds and operates large-scale data processing pipelines, storage systems and presentation layers for the Intelligence team, owning systems from design and prototyping through production deployment and long-term maintenance. Works fully remotely across time zones, gathering requirements from analysts and choosing the technology stack, with existing Go and Python codebases to maintain and improve.
Amazon London
Builds and operates the software tools, services and components that automate and monitor AWS's global network infrastructure. The role spans designing new software, root-cause analysis, and improving testing, monitoring and deployment automation for internal network engineer customers. Requires UK national status and ability to obtain UK Government Security Clearance.
Harnham - Data and Analytics Recruitment London £80,000 – £90,000 pa
Join an early-stage connected hardware and software company as one of its first engineering hires, owning cloud backend services and infrastructure while building and enhancing mobile applications. Work across mobile, cloud and connected-device environments, including Bluetooth/BLE communications, and help bring development fully in-house alongside founders, product and design.
Harnham - Data and Analytics Recruitment Abingdon US$200,000 – US$220,000 pa
Owns machine learning solutions end to end, from model design and training through deployment, MLOps and production monitoring. Works on cloud infrastructure and scalability for a personalised health insights platform, collaborating with engineering, product and domain experts in a small technical team. Engineering-focused rather than pure research.
Microlise Langley Mill £45,000 pa
Improves delivery, reliability and operational maturity of software products and platforms, building and enhancing CI/CD pipelines, automating infrastructure and deployment, and strengthening observability. Works with engineering, test and infrastructure teams on release governance, IaC, containerisation and incident root-cause fixes. A 12-month fixed-term contract focused on business-critical projects.
Rise Technical Recruitment Abingdon US$90,000 – US$120,000 pa
Customer-facing engineering role owning pilots and implementations from requirements through to production. You'll write and debug TypeScript, build API integrations, and support cloud and on-premises deployments including configuration, access and networking, while running demos and workshops and feeding customer insight back to engineering and product. Based in Manhattan with at least four days a week in office.
Matchtech Surrey £50,000 – £75,000 pa
Design, build and run scalable batch and streaming data pipelines and data models that turn complex sensor and geospatial sources into reliable datasets for analytics and machine learning. Works across Azure plus edge and on-prem deployments with data scientists, analysts and platform engineers in a Kanban agile team, covering orchestration, data quality, testing and documentation.
Reperio Human Capital Dublin, Ireland £86,324 – £103,589 pa
Manage Kubernetes clusters for automated deployment and scale AWS cloud infrastructure using Terraform. Optimise platform performance, analyse potential disruptions, and build APIs for smooth integration. Works on cutting-edge AI technologies with a flexible culture requiring just one office day weekly.
eFinancialCareers London £60,000 – £80,000 pa
Design and build scalable backend services in Python within AWS cloud-native environments, working across the full software development lifecycle. Contribute to system design, architecture and engineering standards in a microservices setup, collaborating with Product and Design and mentoring engineers. Mid-senior level with hybrid working in Central London.
Corriculo Reading £45,000 – £50,000 pa
Builds event management software across C#/.NET, SQL Server, React, TypeScript, Python services and GCP, owning end-to-end delivery from design through tested, working software. A distinctive element is directing AI agents through specifications, implementation and regression testing, then critically reviewing their output before approving progression.
Corriculo Oxford £45,000 – £50,000 pa
Builds event management software across C#/.NET, SQL Server, React, TypeScript, Python services and GCP, owning end-to-end delivery from design to tested software. A distinctive element is directing AI agents through specifications, implementation and regression testing, then critically reviewing their output before approving progression.
