Top Software Engineer Jobs in London

Reposted 11 Days AgoSaved
Remote or Hybrid
London, UK
Senior level
Senior level
Artificial Intelligence • Computer Vision • Healthtech • Machine Learning • Software
As a Senior Software Engineer, you will develop secure, scalable medical imaging platforms, architect distributed systems, and work with AI diagnostic tools.
Top Skills: Ci/CdFastapiFlaskGoogle Cloud PlatformKubernetesRabbitMQReactSQLTypescript
Reposted 11 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Food • Logistics • Transportation
Lead and deliver iOS features, improve architecture and code quality, review and mentor engineers, plan projects, ensure operational readiness, collaborate across teams, and participate in hiring and team growth.
Top Skills: AutolayoutiOSObjective-CSwiftUikitXcode
Reposted 11 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 11 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Artificial Intelligence • Big Data • Information Technology • Software
The Senior Software Engineer will develop analytics applications using React and Next.js, ensure performance in Azure environments, and collaborate with cross-functional teams.
Top Skills: AzureAzure DevopsCSSCypressHTMLJavaScriptJestNext.JsReactRest ApisRtlTypescript
11 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Financial Services
Lead design, architecture and implementation of the STIRT front-to-back trading platform. Partner with traders, quants and stakeholders to modernize systems, drive low-latency pricing/workflows, adopt AI/ML, manage a global engineering team, and deliver resilient, observable, high-performance trading technology.
Top Skills: Ci/CdClaude CodeCloud-NativeCouchbaseDevinDockerGithub CopilotGrafanaJavaKdbKubernetesLlm ApisOpentelemetryPrometheusSolaceSplunkSpring Boot
Reposted 11 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Payments
The Lead Software Engineer will drive technical excellence, mentor engineers, shape architecture, and lead high-impact projects while remaining hands-on in development.
Top Skills: .Net.Net CoreAzureC#ReactRestful ApisSQL
Reposted 11 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
Reposted 11 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 11 Days AgoSaved
Hybrid
London, UK
Senior level
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 11 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 11 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 11 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Analytics
The Lead Software Engineer will develop AI-powered software, focusing on backend systems, APIs, microservices, and collaborating in agile teams to deliver technical solutions.
Top Skills: Ai/MlAWSAzureMicroservicesPython
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Reposted 11 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 11 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 11 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 11 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
Reposted 11 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Financial Services
The role involves designing, implementing, and deploying a core trading platform in C++. Responsibilities include troubleshooting and collaborating with cross-functional teams to enhance trading systems.
Top Skills: C++ 17Linux
25 Days AgoSaved
Remote
London, UK
Mid level
Mid level
Security • Software
The Software Engineer will design, develop, and maintain software components for Windows Endpoint protection while collaborating within an Agile team.
Top Skills: C++LuaWindowsModern C++ (C++ 11/14/17)Python
12 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Database
Design, architect, and implement full-stack features for a multi-component platform using TypeScript/React and Node.js. Improve performance, security, and scalability of microservices on AWS, write and maintain documentation, own complex features, apply TDD and REST API best practices, and mentor other engineers.
Top Skills: AWSC#CryptographyDartGoJavaJavaScriptMicroservicesNode.jsReactRest ApisRustTypescript
12 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Gaming • Sports
Design and deliver scalable, secure .NET microservices for real-time sports forecasting. Lead technical design, ensure code quality and testing, work with Redis, Kafka, SignalR, Kubernetes, Docker, and CI/CD. Mentor engineers and collaborate cross-discipline to meet product goals.
Top Skills: .Net.Net 8.Net 9.Net CoreAws CloudformationAws CloudwatchAws EcsAws EksAws LambdaAws S3C#Ci/CdDatadogDockerGitKafkaKubernetesMocking FrameworksMySQLRedisRestful ApisSignalrUnit Testing
12 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Software
Design, build, and lead development of AppGlass features; develop AI-first tooling and automation; implement enterprise integrations and deployments across Kubernetes and cloud; and improve reliability, testing, performance, and security for production use.
Top Skills: .NetAICloudJavaJvmKotlinKubernetesPython
12 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Software
Develop and maintain foundational Kotlin core libraries used by many developers; contribute to language features, tools, and specifications; participate on a design committee; become domain expert in CS topics; write design documents; focus on API design and performance engineering.
Top Skills: JavaJava Standard LibraryJitJvmKotlinUnicode
12 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Artificial Intelligence • Healthtech • Information Technology • Other • Analytics
Build and maintain scalable graph-based search services using Java and Spring Boot. Design GraphQL and REST APIs, integrate with databases and AWS services, ensure monitoring and reliability, mentor engineers, and collaborate with product teams to deliver advanced search and recommendation features.
Top Skills: Amazon KinesisAmazon RdsAmazon S3Amazon SnsAmazon SqsApollo RouterAWSAws Parameter StoreCoralogixDynamoDBEksGraphQLGraphql FederationJavaKubernetesNeo4JNew RelicRest ApiSpringSpring Boot
12 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Artificial Intelligence • Software
Build and ship features for DeepEditor and TrueSync across the full stack. Collaborate with science, product, and creative teams to design scalable, reliable AI-powered editing and localization systems. Drive projects from concept to production, improve performance and quality, mentor engineers, and influence architecture and engineering practices.
Top Skills: AIC#GoJavaPythonReactRubyTypescript
Reposted 2 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Cloud • Software
Lead backend platform development for National Security clients using cloud technologies, ensuring operational responsibility and agile practices.
Top Skills: Agile DevsecopsBig DataGitGitlabJavaKafkaKotlinPostgresRedisS3ScalaZero Trust Architecture
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