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Top Software Engineer Jobs in London

Reposted 11 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Information Technology • Software • Financial Services
Software Engineers at Citadel develop, maintain, and support high-performance trading platforms, focusing on custom software solutions and system stability.
Top Skills: C++
Reposted 11 Days AgoSaved
Hybrid
London, UK
Junior
Junior
Cloud • Information Technology • Security • Software • Cybersecurity
Join the Workers Runtime team to enhance performance and security of customer code execution at scale by leveraging C++ or Rust expertise.
Top Skills: C++LinuxRustWebassembly
Reposted 11 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
The role involves designing secure access controls, building tooling for internal applications, mentoring junior engineers, and improving Wise's security posture.
Top Skills: Java 17Microservice Architecture
Reposted 11 Days AgoSaved
Hybrid
London, UK
Expert/Leader
Expert/Leader
Cloud • Information Technology • Security • Software • Cybersecurity
Lead architectural decisions for Cloudflare's R2 object storage platform, designing reliable, high-throughput systems while collaborating with engineers and stakeholders to align goals.
Top Skills: Cloud InfrastructureDistributed SystemsNetworkingStorage Systems
Reposted 2 Days AgoSaved
Remote or Hybrid
London, UK
Senior level
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
As a Software Engineer on the cloud detection engine team, you will architect and implement a detection system processing billions of events in multi-cloud environments, collaborating with researchers to enhance security measures.
Top Skills: AWSAzureCassandraDockerGCPGitGoKafkaKubernetesRedis
Reposted 2 Days AgoSaved
Easy Apply
Remote
London, UK
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
As a Senior Full Stack Engineer, you'll design and implement authorization systems and optimize performance, working across teams to enhance security and developer experience.
Top Skills: Caching StrategiesPolicy LanguagesPostgresRuby On RailsVue
Reposted 2 Days AgoSaved
Easy Apply
Remote or Hybrid
London, UK
Easy Apply
Senior level
Senior level
Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
As a Senior Software Engineer in Release Management, you'll design and build systems for feature lifecycle management, collaborate with teams to ensure safe feature delivery, and mentor peers while driving initiatives for feature adoption and reliability.
Top Skills: GoReactTypescript
Reposted 6 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Software
As a Software Engineer on the Mission Dev team, you'll build custom applications, design data integrations, and provide technical expertise to clients while ensuring seamless customer experiences and feedback integration into product development.
Top Skills: Data IntegrationsData PipelinesScriptingSoftware Engineering
Reposted 6 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Financial Services
Develop and implement reliability features, improve system performance, provide L2 support, and create automation tools for operational stability.
Top Skills: AirflowAmpsC++GitKafkaKdb/QLinuxPythonSlurm
Reposted 6 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Artificial Intelligence • Machine Learning • Generative AI
As a Software Engineer on the Storage Infrastructure team, you will design, build, and operate systems for managing large-scale research data securely and reliably across multiple regions.
Top Skills: AzureCloud ComputingDistributed SystemsExascale Data ManagementProgramming
Reposted 6 Days AgoSaved
Easy Apply
In-Office
London, UK
Easy Apply
Entry level
Entry level
Financial Services
Software Engineers at Jane Street engage in collaborative technology-driven work, using functional programming with OCaml and Python for various business problems.
Top Skills: OcamlPython
Reposted 6 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Greentech
The Backend Software Engineer will design and maintain backend systems using Go, leveraging AI tools, and managing AWS infrastructure to support sustainability initiatives.
Top Skills: Ai ToolsAWSGoReactTypescript
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Reposted 6 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Greentech
The Frontend Software Engineer will build web interfaces using React and TypeScript, collaborating with design and backend teams, and utilizing AI tools for development.
Top Skills: Ai-Assisted Development ToolsCSSGoHTMLReactTypescript
Reposted 6 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
AdTech • Big Data • Information Technology • Software
As a Software Engineer at Permutive, you'll contribute to developing scalable data pipelines and robust backend services, leveraging technologies like Scala and Kubernetes for advanced data processing solutions.
Top Skills: BigQueryBigtableCatsDoobieFlinkFs2GrafanaHttp4SKafkaKubernetesPostgresScalaTerraform
Reposted 6 Days AgoSaved
In-Office
London, UK
Junior
Junior
HR Tech • Software
As a Software Engineer at Humaans, you will build end-to-end features, improve infrastructure, and support customers using TypeScript and ReScript in a collaborative development environment.
Top Skills: GitGoogle Cloud PlatformJavaScriptKubernetesNode.jsPostgresReactRedisRescriptTypescript
Reposted 6 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Software • Cryptocurrency
As a Software Engineer, you'll develop backend services for crypto trading, optimize systems, and collaborate with product teams throughout the development lifecycle.
Top Skills: C#C++GoJavaPython
Reposted 6 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software • Generative AI
As a Software Engineer on the Applied ML team, you will design and implement solutions for customers, utilizing AI and ML technologies throughout the product lifecycle.
Top Skills: GoHuggingfaceLang ChainLlama IndexNext.JsNltkNode.jsPythonReactSpacy
Reposted 6 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software • Generative AI
Build and operate Kubernetes clusters, optimize infrastructure for AI workloads, and collaborate with researchers to enhance model training systems.
Top Skills: GoInfrastructure As CodeKubernetesLinuxPython
Reposted 6 Days AgoSaved
Easy Apply
In-Office
London, UK
Easy Apply
Entry level
Entry level
Information Technology
Join our team as a Software Engineer focused on building a high-performance calculation engine using Rust, contributing to software design, testing, and production delivery, while supporting stability in production environments.
Top Skills: AWSDockerGCPJavaKotlinKubernetesRust
Reposted 6 Days AgoSaved
Easy Apply
In-Office
London, UK
Easy Apply
Mid level
Mid level
Information Technology
Develop and maintain Neo4j Aura, a Kubernetes-based Graph Database-as-a-Service, focusing on custom Kubernetes operators for managing Neo4j clusters.
Top Skills: AWSAzureBashGCPGithub ActionsGoKubernetes
Reposted 6 Days AgoSaved
Easy Apply
In-Office
London, UK
Easy Apply
Senior level
Senior level
Information Technology
As a Senior Cloud Network Engineer, you'll develop and maintain cloud networking foundations, collaborating with teams to enhance our cloud services and tackle engineering challenges.
Top Skills: AWSAzureDnsGoGCPIpv6KubernetesMtlsSniTls
Reposted 6 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Retail • Software
As an Intermediate Rails Engineer, you will enhance CI/CD pipelines, manage cloud infrastructure, support reliability, and improve developer experience at Zipline.
Top Skills: AWSCircleCIDockerElasticsearchGitJavaScriptKubernetesPostgresReactRedisRuby On RailsTerraformTypescriptWebpack
Reposted 6 Days AgoSaved
Easy Apply
In-Office
London, UK
Easy Apply
Expert/Leader
Expert/Leader
Artificial Intelligence
As a Principal Software Engineer, you will lead backend projects, enhance engineering stability, and drive cross-team collaboration within a large engineering organization.
Top Skills: AIPythonReactSaaS
7 Days AgoSaved
In-Office
London, UK
Junior
Junior
Angel or VC Firm
Join Odin as a Software Engineer to develop features for a full-stack platform, utilizing AI tools, and improving private market investment processes.
Top Skills: AIGoReact
7 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Financial Services
Join the DB Transformation team to design and maintain cloud-native services, APIs, and front-end applications, while promoting DevOps culture.
Top Skills: AzureAzure DevopsDockerFastapiHelmKubernetesNext.JsPythonReactSQL ServerTerraformTypescript
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