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Top Software Engineer Jobs in London

Reposted 8 Days AgoSaved
Hybrid
London, UK
Mid level
Mid level
Artificial Intelligence • Machine Learning • Generative AI
Build end-to-end features for a TypeScript/Node/Electron desktop app and IDE extension. Design integrations with Rust services and the Codex CLI, own IPC architecture, implement orchestration for long-running tasks, and improve observability, reliability, and performance while partnering with product and design.
Top Skills: CliElectronIde ExtensionIpcNode.jsRustTypescript
Reposted 8 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Artificial Intelligence • Machine Learning • Generative AI
Design and build distributed systems for large-scale AI training, focusing on performance, stability, monitoring, and debugging of infrastructure.
Top Skills: AIConcurrencyDistributed SystemsHigh-Performance ComputingLow-Level SoftwareNetworkingSystems Engineering
Reposted 8 Days AgoSaved
Remote or Hybrid
London, UK
Mid level
Mid level
Fintech • Software • Financial Services
As a Software Engineer at Upvest, you will develop and enhance investment API infrastructures using Go, Docker, and Kubernetes while adhering to an agile methodology to improve reliability and performance.
Top Skills: DockerGoKafkaKubernetesPostgres
Reposted 9 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Financial Services
The role involves implementing FX trading systems, designing system architecture, and collaborating with teams to enhance deliverables while following best practices and procedures.
Top Skills: Low-Latency Development
Reposted 9 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Financial Services
The role involves hands-on implementation of FX trading systems, collaborating with multiple teams, designing system architecture, and enhancing deliverables while maintaining documentation and best practices.
Top Skills: AIFx Trading SystemsLow-Latency DevelopmentSoftware Development
Reposted 9 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Financial Services
This role involves hands-on development of FX trading systems, collaborating with teams to design system architecture, and enhancing quality deliverables while advocating best practices.
Top Skills: Fx Trading SystemsLow-Latency Development
9 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Marketing Tech • Software
As a Backend Engineer, you will develop features using Java and collaborate with teams to improve applications' performance and scalability.
Top Skills: CouchbaseDockerElasticsearchGradleHibernateJava 17+KafkaSpring BootSQL
9 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Software • Energy
Responsible for delivering discovery work and technical improvements for the API Platform, enhancing developer experience, and collaborating with cross-functional teams.
Top Skills: AvroAWSCi/CdDynamoDBInfrastructure As CodeKafkaKubernetesTypescript
9 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Fintech • Payments • Software
Join Ebury as a Software Engineer to design, develop, and deploy scalable software solutions for a global financial platform while collaborating with cross-functional teams.
Top Skills: AWSAzureDockerGCPGoJavaKubernetesPython
9 Days AgoSaved
In-Office
London, UK
Internship
Internship
Artificial Intelligence • Cloud • Social Impact • Software • Wearables
As a Software Engineer I at Axon, you'll engage in high-impact projects, develop AI-assisted software, collaborate on code reviews, ensure high code quality, and learn from experienced engineers.
Top Skills: C#GoJavaScala
9 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
eCommerce • Fitness • Retail
As a Full Stack Software Engineer, you will develop features for the Mirror App, Mobile Apps, and web applications, collaborating with product, QA, and customer support teams, while contributing to a revolutionary fitness technology.
Top Skills: AIApi GatewayAWSCloudFormationDynamoDBFlutterJIRALambdaS3
Reposted 9 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Cloud • Information Technology
Develop complex distributed systems using Java, Kafka, and Kubernetes. Mentor team members and contribute to all phases of the product lifecycle.
Top Skills: FlinkJavaKafkaKafka StreamsKubernetesSpark
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Reposted 9 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Artificial Intelligence • Logistics • Software • Automation
As a Full-Stack Engineer, you'll collaborate with the engineering team to design and launch products across the entire stack, from front-end to back-end and infrastructure.
Top Skills: AWSDockerKotlinPythonReactTypescript
Reposted 9 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Artificial Intelligence • Logistics • Software • Automation
As a Forward Deployed Software Engineer, you will work directly with customers to develop software solutions, utilizing full stack technologies and having autonomy over projects.
Top Skills: AWSDockerKotlinReactTypescript
Reposted 9 Days AgoSaved
In-Office
London, UK
Junior
Junior
Big Data • Fintech • Information Technology • Machine Learning • Financial Services
As a Software Engineer, you will develop solutions for a cutting-edge trading system, enhance a petabyte-scale data platform, and apply engineering best practices.
Top Skills: Big Data TechnologiesC#C++Distributed TechnologiesF#JavaPythonWeb Technologies
Reposted 9 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Legal Tech
Maintain and improve PHP/Laravel applications and contribute to newer Python projects. Ship full-stack improvements, fix production issues, support security/compliance, and own small-to-medium projects while collaborating with the engineering team and participating in code reviews and sprint ceremonies.
Top Skills: GitLaravelPHPPostgresPython
Reposted 9 Days AgoSaved
Hybrid
London, UK
Mid level
Mid level
Consumer Web • eCommerce • Software
As a Software Engineer, you will enhance TodayTix's e-commerce platform by ensuring its scalability, performance, and stability while collaborating with cross-functional teams and integrating GenAI technologies.
Top Skills: AWSGraphQLHibernateJavaMySQLNext.JsNode.jsPythonReactTerraformTypescript
Reposted 9 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Software • Design
We are seeking an experienced Software Engineer to join our growing technology team focusing on Defence and Cyber Security projects.
Top Skills: AngularAWSAzureDockerElasticsearchJavaJavaScriptKubernetesMernNeo4JPythonReactTypescriptVue
Reposted 9 Days AgoSaved
Hybrid
London, UK
Entry level
Entry level
AdTech • Software
Design, implement, and operate scalable systems and services across the full software lifecycle. Build proofs-of-concept, improve automation, maintain reliability and monitoring, participate in on-call duties, and collaborate with cross-functional teams to deliver high-quality software.
Top Skills: JavaPython
Reposted 9 Days AgoSaved
Hybrid
London, UK
Mid level
Mid level
Enterprise Web • Marketing Tech • Software
As a Full Stack Software Engineer, you will design, develop, and maintain scalable applications while collaborating across teams to enhance automation and workflows.
Top Skills: AWSAzureDockerGCPKubernetesNode.jsReactTypescript
Reposted 3 Days AgoSaved
Remote
London, UK
Junior
Junior
Cloud • Software
As a Software Engineer, you'll develop software for Ceph and distributed storage, collaborating with a global team to enhance cloud solutions.
Top Skills: CephGoKubernetesLinuxOpenstackPython
10 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Financial Services
As a Software Developer, support operational processing systems across various asset classes, ensuring data integrity and compliance while developing applications for post-trade operations.
Top Skills: AWSC# .NetCi/CdDevOpsDockerGraphQLJavaScriptNode.jsNoSQLRdbmsReactTerraformTypescript
10 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Gaming • Internet of Things • Machine Learning • Software
Design and implement features in React Native for SDK and mobile applications, collaborating on technical requirements and enhancing app performance.
Top Skills: GitJavaScriptReact NativeTypescript
Reposted 8 Hours AgoSaved
Remote
London, UK
Mid level
Mid level
Blockchain • Financial Services • Cryptocurrency • Web3
Design and implement robust Rust services for trading and payments while focusing on reliability and performance, collaborating on distributed systems architecture.
Top Skills: KafkaRust
Reposted 8 Hours AgoSaved
Remote
London, UK
Mid level
Mid level
Blockchain • Financial Services • Cryptocurrency • Web3
Design and implement robust Rust services and foundational libraries for Kraken's core infrastructure, ensuring security and maintainability while collaborating on distributed systems architecture.
Top Skills: Asynchronous CodeDistributed SystemsKafkaRpc ProtocolsRust
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