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Top Software Engineer Jobs in London

Reposted 6 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Food • Logistics • Transportation
As a Senior Software Engineer, you'll improve code architecture, lead projects, and collaborate with teams to enhance productivity and technical execution.
Top Skills: DynamoDBElasticsearchGoMemcacheMySQLPostgresPythonRuby on RailsRedisRubyRustScala
Reposted 6 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Information Technology • Legal Tech • Professional Services • Analytics • Business Intelligence
The Senior Software Engineer will modernize and enhance a key AI product, delivering features and optimizing services while mentoring junior developers and collaborating across teams.
Top Skills: .NetAngularAWSAzure PipelinesC#DatabricksJavaScriptPythonPyTorchScikit-LearnSQL
Reposted 6 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Energy • Renewable Energy
As a Senior Software Engineer at Ohme, you will enhance the backend infrastructure using Kotlin, contribute to technology strategies, mentor team members, and keep up with industry trends.
Top Skills: AWSKotlinSpring Boot
Reposted 6 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Artificial Intelligence • Healthtech
Design and build backend systems for Quadrivia's clinical AI platform, ensuring reliability, high availability, and compliance with healthcare regulations while collaborating with cross-functional teams.
Top Skills: DockerFastapiGCPKubernetesPythonTerraform
Reposted 6 Days AgoSaved
Hybrid
London, UK
Junior
Junior
Artificial Intelligence • HR Tech • Productivity • Software
You will be the first engineering hire responsible for developing a real-time AI decision-making platform for airport operations using Python and TypeScript, focusing on fault-tolerant agentic systems.
Top Skills: PythonTypescript
Senior level
Artificial Intelligence • HR Tech • Productivity • Software
Architect and build backend systems managing billions of data points, ensuring high performance for machine learning workflows, and scaling infrastructure during hyper-growth.
Top Skills: ClickhousePostgresPythonRust
Reposted 6 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Artificial Intelligence • HR Tech • Productivity • Software
As a Staff Software Engineer, you will develop user-facing features, focus on performance and usability, and collaborate with designers and product managers on high-quality code, owning features end-to-end.
Top Skills: ReactTailwindTypescript
Reposted 6 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fitness
Build, test and ship growth-focused user journeys and subscription funnels across web and app. Design and run experiments, implement instrumentation and tracking, own features end-to-end, collaborate with product/design/data, and improve CI/CD, testing and release workflows to increase conversion and engagement.
Top Skills: ApolloApp Store ConnectAws AppsyncAws LambdaDynamoDBEventbridgeFastlaneGithub ActionsGoogle Tag ManagerGraphQLIntercomJavaScriptKotlinMaestroMixpanelNext.JsNode.jsPlay StorePythonReact NativeRevenuecatS3SagemakerSentrySnowflakeSnsSqsSwiftSwiftuiTypescript
Reposted 6 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fitness
Lead growth-focused engineering work: implement and maintain ad tracking SDKs/MMPs, build tracking/tag manager setups, design and ship full-stack growth features, integrate CRM/lifecycle tooling, build internal automation tools (Python/Node), and collaborate with Growth, Marketing and Data to run experiments and A/B tests.
Top Skills: Apollo ClientApp Store ConnectAppsflyerAWSAws AppsyncDynamoDBEventbridgeFastlaneGithub ActionsGoogle AdsGoogle Tag ManagerGraphQLIntercomIterableJavaScriptLambdaMaestroMetaMixpanelNode.jsPlay StorePythonReactReact NativeRevenuecatS3SagemakerSentryServerlessSnowflakeSnsSqsSwiftuiTiktokTypescript
Reposted 6 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Software • Financial Services
The Senior Go Developer will design, implement, and maintain scalable microservices, integrating with Kafka, while ensuring high availability and fault-tolerance.
Top Skills: DockerGitGitlabGoKafkaKubernetesMongoDBMySQLPostgres
Reposted 6 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Music
Design and build the C++ integration layer for TV audio/video playback, integrate with native media frameworks (AVPlayer/ExoPlayer), own buffering/ABR/A-V sync, debug performance across OS and hardware, improve tooling and observability, and collaborate with platform and device teams to raise playback quality.
Top Skills: A/V SynchronizationAdaptive Bitrate (Abr)AvplayerC++CodecsExoplayerHardware AccelerationProfilersRustStreaming FormatsSystem Diagnostics ToolsTracingVendor Sdks
Reposted 6 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Gaming
Lead complex projects, develop scalable software solutions, mentor junior engineers, and ensure high standards of quality, performance, and security in game features.
Top Skills: C#Unity
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Reposted 6 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
eCommerce • Consulting
Senior full‑stack engineer to join a cross‑functional delivery team for a discovery-into-delivery project. Lead technical decisions, write production code, coach peers, work with clients, apply modern CI/CD, TDD and cloud-native practices, and support live systems as required. Hybrid role (2 days/week London), 6 months initially.
Top Skills: ApolloCircleCICqrsCSSDockerElasticsearchEvent SourcingGitGithub ActionsGoGraphQLHTMLJavaScriptJenkinsKubernetesMicroservicesNode.jsObservability ToolingPostgresPulumiReactRedisRelayRustServerlessTerraformTest Driven DevelopmentTypescriptVmsVuejs
Reposted 6 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Hardware
This role involves leading Android platform development, resolving system-level issues, deep technical triage for customer escalations, and collaborating with partners to enhance video collaboration devices.
Top Skills: AndroidAospCC++HdmiJavaKotlinSelinuxWebrtc
Reposted 6 Days AgoSaved
In-Office
London, UK
Expert/Leader
Expert/Leader
Machine Learning • Software
Lead design and delivery of cloud-native Data Integration Services: define scalable data access patterns, storage integrations, dataset lifecycle and permissioning, ensure observability and governance, and mentor engineers to drive platform adoption.
Top Skills: AlluxioAzure BlobFsxGoGoogle Cloud StorageHTTPJuicefsMinioObject StoragePosixPythonS3-CompatibleWebdav
Reposted 6 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Artificial Intelligence • Natural Language Processing • Generative AI
Lead the development and maintenance of large-scale AI infrastructure systems, ensuring reliability and scalability while mentoring team members and collaborating with stakeholders.
Top Skills: AWSGCPGoGpusInfrastructure As CodeJavaKubernetesLinuxPythonRustTpusTrainium
Reposted 6 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Edtech • Information Technology • Software
Lead technical direction across platform squads, ship and operate critical platform services, improve CI/CD and delivery workflows, drive reliability (SLOs, observability, runbooks), remediate production issues, mentor engineers, and participate in on-call and incident response to raise platform quality and developer experience.
Top Skills: A/B TestingArtifact ManagementAWSCi/CdDevOpsDjangoIdentity And Access ManagementInfrastructure AutomationMonitoringNetworkingObservabilityPython
Reposted 20 Days AgoSaved
In-Office or Remote
London, UK
Mid level
Mid level
Cloud • Software
Canonical seeks open-source enthusiasts to optimize Ubuntu for new silicon technologies, collaborating with teams and customers to enhance software quality and performance across various platforms.
Top Skills: CC++DockerKubernetesLinux Distribution PackagingOciPerformance OptimizationPythonSecurity Best Practices
Reposted 20 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Fintech • Financial Services
The Software Engineer will design, develop, and support the MEMX Trading system software, focusing on production support during US evening hours.
Top Skills: ConfluenceDeephavenFix MessagingGitGradleJavaJenkinsJIRAJunitLinuxTcp/IpUdpWireshark
Reposted 7 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Software • Financial Services
Design, build and maintain infrastructure tooling for deployment, observability, orchestration, disaster recovery and CI/CD to support scalable, highly available production systems and customer integrations.
Top Skills: AWSAzureCircleCIDockerDuckdbGCPGithub ActionsGitlabGoGrafanaJenkinsKafkaKubernetesOpentelemetryPostgresPrometheusPythonVault
8 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Information Technology • Insurance • Software
As a Senior Backend Engineer, you will architect and build scalable data systems using Kotlin, design distributed analytics infrastructure on AWS, and deliver analytics features for insurers, improving their risk decision-making.
Top Skills: AirflowAWSDbtKotlinSparkTerraform
Reposted 8 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Financial Services
The Senior Software Engineer will develop and maintain a large-scale calculation engine, mentor other developers, optimize performance, and support customer needs for distributed calculations.
Top Skills: AWSAzureCassandraCi/CdDockerGCPJavaJunitKubernetesMockitoMongoDBNoSQLPythonQuarkusRestful ApiSpringSpring Boot
8 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Financial Services
Join the Customer Identity & Fincrime team to develop critical systems for identity verification, fraud detection, and financial security using Java and cloud technologies.
Top Skills: AWSGrafanaJavaKubernetesPostgresTeamcityTerraform
8 Days AgoSaved
In-Office
London, UK
Entry level
Entry level
eCommerce
The role involves learning from senior engineers, contributing to the Motorway platform, and using AI tools for development. It emphasizes collaboration and personal growth.
Top Skills: Ai ToolsJavaScriptKiroPythonTypescript
8 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Artificial Intelligence • Healthtech • Information Technology • Other • Analytics
The Senior Software Engineer II will design and implement generative AI services, drive architectural standards, mentor engineers, and collaborate across teams to enhance data solutions.
Top Skills: Ci/CdEksJavaKubernetesPython
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