Top Software Engineer Jobs in London

Reposted 6 Days AgoSaved
Hybrid
London, UK
Mid level
Mid level
AdTech • Software
The Senior Software Engineer will innovate payment and billing solutions, manage financial reporting systems, and support team development in an ad-tech environment.
Top Skills: AWSGoKafkaPythonSnowflakeSqs
Reposted 6 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Hardware • Information Technology • Software • Sports • Wearables
The Senior Software Engineer will lead the Core Data team to improve APIs, systems, and data pipelines, focusing on backend engineering and team mentoring.
Top Skills: AWSC#ElasticGraphQLMongoDB
Reposted 29 Days AgoSaved
In-Office or Remote
London, UK
Mid level
Mid level
Blockchain • Fintech • Information Technology • Payments • Software • Financial Services • Cryptocurrency
Build the frontend for a perpetual trading platform, focusing on performance and real-time UI. Collaborate with team members and own features from design to production.
Top Skills: ReactSolanaTypescript
Reposted 29 Days AgoSaved
In-Office or Remote
London, UK
Junior
Junior
Artificial Intelligence • Security
The Software Engineer will develop AI-based capabilities, maintain software stacks, mentor others, and tackle engineering challenges across various technical fields.
Top Skills: ArrowAWSAzureC++DockerElkGoGrafanaGraphQLGrpcJavaPrometheusProtocol BuffersPythonRestRustSQL
Reposted 7 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Artificial Intelligence • HR Tech • Productivity • Software
As a Senior Software Engineer, you will build and evolve backend systems for health platforms using Ruby on Rails and TypeScript, collaborating with cross-functional teams to develop solutions for complex data challenges.
Top Skills: AWSCi/CdJestKubernetesRspecRuby On RailsTerraformTypescript
Reposted 7 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Software
The Principal Software Engineer will architect AI-enabled platforms, mentor senior engineers, and lead cross-team architectural discussions, with a focus on secure, scalable solutions on AWS.
Top Skills: AWSCdkNode.jsRestful ApisTerraformTypescript
Reposted 7 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Artificial Intelligence • Information Technology • Software
The Senior Software Engineer will define technical foundations, support product scaling, mentor junior engineers, and drive system improvements.
Top Skills: AWSDockerExpressKubernetesNext.JsPostgresPrismaPythonPyTorchReactTerraformTypescript
Reposted 7 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Artificial Intelligence
Design and build reliable systems, manage technical projects, write high-quality Python code, and collaborate with researchers to deliver functional software solutions.
Top Skills: AWSKubernetesOpenai-Compatible ApisPythonPyTorchSlurm
Reposted 7 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Financial Services
The Software Developer will design and maintain applications for market making, ensuring high performance and security while collaborating with various stakeholders.
Top Skills: AWSCi/CdDevOpsDockerGraphQLJavaScriptNode.jsReactTypescript
Reposted 7 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Food • Logistics • Transportation
As a Senior Software Engineer, you will improve code structure, lead projects, and mentor team members while focusing on Android application development.
Top Skills: AndroidAndroid SdkAndroid StudioAndroidxJavaKotlin
Reposted 7 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Information Technology • Consulting
Design, develop, and maintain secure applications using Node.js and other technologies, focusing on building REST APIs, microservices, and contributing to government projects.
Top Skills: Aws CognitoAws EcsAws SqsDockerGitlabJavaJavaScriptKafkaNode.jsRest ApisTerraform
Reposted 7 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Information Technology • Consulting
The role involves leading software development for UK government projects, providing technical guidance, mentoring developers, and ensuring delivery of secure and scalable solutions.
Top Skills: Aws CognitoAws EcsCi/CdDockerGitlabJavaKafkaMicroservices ArchitectureNode.jsRest ApisSqsTerraform
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Reposted 7 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Blockchain • Financial Services • Cryptocurrency • Web3 • Quantitative Trading
Design, build, and maintain core components for the XRP Ledger, focusing on programmability and performance while integrating WebAssembly. Lead discussions, ensure coding standards, and engage throughout the software development lifecycle.
Top Skills: C++RustWebassembly (Wasm)
Reposted 8 Days AgoSaved
Remote or Hybrid
London, UK
Senior level
Senior level
Retail • Software
The Staff Software Engineer will build and maintain high-quality platforms, mentor junior engineers, drive DevOps practices, and ensure code quality while contributing to engineering community objectives.
Top Skills: AWSAzureDynatraceGCPGithub ActionsJava
8 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Big Data • Marketing Tech • Analytics
Design, build, and operate backend services and APIs across the full SDLC. Implement, test, deploy, monitor, and support production systems on AWS. Collaborate with engineers, product, and data scientists to deliver reliable, data-focused solutions and communicate technical trade-offs to stakeholders.
Top Skills: APIsAutomated TestingAWSPythonTest Driven Development (Tdd)
Reposted 8 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Artificial Intelligence • Natural Language Processing • Generative AI
As a Staff Software Engineer, you'll work on large-scale distributed systems, optimizing performance for AI inference, and managing complex infrastructure challenges.
Top Skills: AWSGCPKubernetesPythonRust
Reposted 8 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Artificial Intelligence • Natural Language Processing • Generative AI
The role involves building and maintaining critical systems for AI inference, optimizing compute efficiency, and supporting research and deployment of AI models.
Top Skills: AWSGCPKubernetesPythonRust
Reposted 8 Days AgoSaved
Hybrid
London, UK
Junior
Junior
Travel • Hospitality
Junior Software Engineers at loveholidays develop expertise in supplier integration, search systems, real-time pricing, AI solutions, and modern user experiences.
Top Skills: GoJavaPythonRustSQLTypescript
8 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Gaming
Design, build, and maintain internal tools, services, and pipelines for game development. Own delivery from design through release, improve systems, write tests and docs, support studios, and drive engineering standards and reliability.
Top Skills: Automated TestingC#C++Ci/CdObservabilitySource Control
8 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
AdTech • eCommerce • Information Technology • Travel • Generative AI
Design, develop, and deliver scalable systems and APIs. Mentor junior engineers, lead complex engineering initiatives, troubleshoot production issues, and improve code and system efficiency. Collaborate cross-functionally, apply software design principles, and present technical findings to stakeholders.
Top Skills: APIsDatabasesMonitoring ToolsSoftware FrameworksTesting Tools
8 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Payments
Design, build, and maintain scalable backend systems and third-party integrations. Develop APIs, services, and event-driven solutions. Participate in architecture and design, ensure system reliability and performance, conduct code reviews, collaborate with Product and external partners, and mentor engineers.
Top Skills: APIsAWSBullC#Event-Driven ArchitecturesMessaging SystemsMongoDBMssqlNode.jsRabbitMQRedisRestSoapWebhooks
Reposted 8 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Artificial Intelligence • Machine Learning • Software
The Senior Full Stack Engineer will design and develop scalable backend services, APIs, and infrastructure while collaborating with clients and team members. Responsibilities include end-to-end delivery, Agile methodologies, and participating in a high-performing engineering team.
Top Skills: AWSAzureDockerEcsGCPJavaJvmKotlinKtorKubernetesReactReduxRxjavaSQLTailwindTerraformTypescript
Reposted 8 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Artificial Intelligence • Cloud • Information Technology • Machine Learning • Software
Lead the design and development of AI-powered applications, mentor engineers, and collaborate across teams while ensuring high coding standards and deployment in cloud environments.
Top Skills: AWSAzureCi/CdDockerGCPJavaKubernetesPythonReactTypescript
Reposted 8 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Information Technology • Software
As a Senior Software Engineer, you'll develop RESTful Java APIs, integrate third-party APIs, collaborate with the project team, identify bottlenecks, and mentor team members.
Top Skills: AWSCi/CdJavaKotlinRestful Java Apis
Reposted 8 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Software
Drive design, development, and deployment of .NET-based microservices, assist transition from monolith to microservices, enforce coding standards, perform profiling and tuning, collaborate with cross-functional teams, troubleshoot production issues, and participate in an on-call rota.
Top Skills: .Net 6C#DockerElastic SearchGraphQLPostgresRabbitMQRest
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