Top Software Engineer Jobs in London

YesterdaySaved
Hybrid
London, UK
Senior level
Senior level
Artificial Intelligence • Productivity • Sales • Software
Build and scale a next-generation data platform (mondayDB 3.0). Design architecture, implement backend-heavy full-stack features, collaborate with product and design, ensure CI/CD delivery, and improve performance and engineering practices for large-scale, user-facing systems.
Top Skills: AWSCi/CdElasticsearchMondaydbMySQLNode.jsReactRedisReduxRuby On Rails
Reposted 24 Days AgoSaved
Hybrid
London, UK
Internship
Internship
Artificial Intelligence • Information Technology • Software • Analytics • Consulting • Generative AI
The Forward Deployed Software Engineer will work with clients to build and maintain applications that solve business problems, enhance workflows, and drive value quickly. The role emphasizes collaboration, independent problem-solving, and a focus on customer success.
Top Skills: Coding Fundamentals
Reposted 24 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Software • Financial Services
Seeking a Senior Software Engineer for the Beacon Core Engineering team to design, build, deploy, and maintain software tools and assist clients using AI agents, focusing on quality code and collaboration.
Top Skills: C++JavaScriptPythonRustTypescript
2 Days AgoSaved
Hybrid
London, UK
Expert/Leader
Expert/Leader
Artificial Intelligence • Fintech • Payments • Business Intelligence • Financial Services • Generative AI
Lead end-to-end development of 0-to-1 fintech products: partner with executives, architect pragmatic full‑stack solutions, evaluate and implement AI capabilities, prototype rapidly, and bootstrap scalable product foundations for incubation.
2 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Artificial Intelligence • Fintech • Payments • Business Intelligence • Financial Services • Generative AI
Lead end-to-end design and rapid delivery of 0-to-1 fintech products with the Founders' Lab. Collaborate with executive leadership to define product direction, build MVPs, deploy to live users, iterate quickly, and balance rapid experimentation with sound backend architecture and occasional frontend/API work. Operate as a product-minded senior engineer in high-ambiguity, fast-paced environments.
Top Skills: Generative AiLlms
2 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Artificial Intelligence • Fintech • Payments • Business Intelligence • Financial Services • Generative AI
Design and build multi-tenant, high-scale embedded finance infrastructure. Own cross-domain features, architect enterprise integrations, lead multi-team initiatives, and collaborate with Product, Design, Compliance, and Sales to deliver production-grade, scalable systems.
Top Skills: JavaSpring Boot
2 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Artificial Intelligence • Fintech • Payments • Business Intelligence • Financial Services • Generative AI
Design and build multi-tenant, high-scale payments infrastructure and cross-domain product features. Architect integrations for enterprise customers, ensure production excellence, performance and scalability, and lead multi-team initiatives while collaborating with Product, Design, Compliance, and Sales.
Top Skills: Api DesignAWSAzureGCPJavaKafkaOauth2.0PostgresRedisSpring Boot
2 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
Senior backend engineer for Account Communications building and evolving a platform that delivers millions of customer messages daily. Improve delivery reliability, scalability, cost efficiency, and tooling; design asynchronous, reliable microservices; ensure accuracy and regulatory compliance; write clean, well-tested code and collaborate with product teams to improve user experience.
Top Skills: Ai-Assisted Development ToolsAsynchronous SystemsDistributed SystemsGoJavaJava ServicesKotlinMicroservicesPythonScalable Systems
Reposted 2 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Artificial Intelligence • Fintech • Greentech • Sales • Software • Travel • Hospitality
The Senior Software Engineer for Billing will architect and develop invoicing and tax systems with a focus on automation, integration, and performance. They will lead the technical vision, mentoring teammates, and collaborate with cross-functional teams to enhance the billing experience.
Top Skills: AIBackend DevelopmentCi/CdFrontend DevelopmentSystem Architecture
Reposted 3 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Software • Financial Services
Design, build, and maintain high-quality software while collaborating with teams and utilizing AI agents to enhance development processes.
Top Skills: C++JavaScriptPythonRustTypescript
Reposted 3 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Software • Financial Services
The role involves designing, building, and maintaining high-quality code with a focus on mathematical algorithms for financial systems, mentoring junior engineers, and collaborating with cross-functional teams.
Top Skills: Ai AgentsC++PythonRust
Reposted 3 Days AgoSaved
Easy Apply
Hybrid
London, UK
Easy Apply
Senior level
Senior level
Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
Lead the technical strategy for Samsara's Sustainability products, designing data-intensive systems to improve fuel and electric vehicle energy efficiency. Mentor engineers and drive technical decisions on sustainability initiatives.
Top Skills: Data ProcessingDistributed SystemsIotMachine Learning
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Reposted 3 Days AgoSaved
Remote or Hybrid
London, UK
Senior level
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Join CrowdStrike as a Senior Software Engineer to lead the development of innovative endpoint security solutions across multiple platforms, focusing on the sensor's kernel-level functionality and system performance.
Top Skills: AgileC++GitLinuxmacOSWindows
Reposted 3 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Develop and maintain scalable cloud ecosystems using Golang and Python, enhancing backend microservices and collaborating within a fast-paced team.
Top Skills: AWSCassandraDockerEc2ElasticsearchGitGoKafkaKubernetesLambdaOpensearchPythonRedisS3
Reposted 4 Days AgoSaved
Remote or Hybrid
London, UK
Expert/Leader
Expert/Leader
Artificial Intelligence • Cloud • Information Technology • Security • Software • Cybersecurity • Data Privacy
As a Staff Software Engineer, lead the design and implementation of secure, large-scale software solutions while mentoring junior engineers and driving consensus in complex technical challenges.
Top Skills: AWSAzureDockerGCPGoKubernetesTypescript
Reposted 4 Days AgoSaved
Remote or Hybrid
London, UK
Senior level
Senior level
Artificial Intelligence • Cloud • Information Technology • Security • Software • Cybersecurity • Data Privacy
As a Senior Software Engineer, you will design and implement solutions, mentor junior engineers, and ensure the reliability and scalability of systems.
Top Skills: GoPythonTypescript
5 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Design, build, and operate highly scalable real-time streaming microservices and data pipelines (Java/Python/Go) using Kafka, Flink/Spark on Kubernetes across multi-cloud and on-prem. Own design, deployment, monitoring, observability, and on-call support while improving platform reliability and developer experience.
Top Skills: Apache FlinkApache KafkaSparkApache StormAvroAWSCi/CdDatadogDistributed TracingGCPGitopsGoGrafanaJavaKubernetesOciParquetPrometheusProtobufPulsarPythonRabbitMQRestful ApisSplunk
5 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Design, architect, and develop scalable Go-based microservices and REST APIs for threat detection, case management, and incident response. Lead system design, own technical initiatives, mentor engineers, integrate AI/LLM capabilities, operate cloud-native services on Docker/Kubernetes and cloud platforms, participate in on-call rotation, and drive reliability and architectural improvements.
Top Skills: Agentic Ai FrameworksAWSC#C++DockerGCPGoJavaKubernetesLlm IntegrationMicroservicesPythonRag PipelinesRestful ApisSIEMSoar
Reposted 5 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Healthtech • Software • Biotech • Pharmaceutical
Design and develop technology solutions in partnership with global teams, addressing challenges in cancer care through innovative software engineering practices.
Top Skills: AWSC#JavaPythonSnowflakeSQL
Reposted An Hour AgoSaved
In-Office
London, UK
Mid level
Mid level
Artificial Intelligence • Healthtech • Information Technology • Other • Analytics
Contribute to enhancing ScienceDirect's cloud-hosted applications. Collaborate in an Agile team to design, develop and deploy software solutions.
Top Skills: AWSDockerGithub ActionsIntellijJavaJavaScriptJestKibanaKubernetesMockitoNewrelicOpensearchPlaywrightReactSpringSpring BootTerraformTypescriptVscode
Reposted An Hour AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Payments • Financial Services
Design and evolve core banking services, ensuring scalability, resilience, and security while influencing technical direction and mentoring team members.
Top Skills: Aws Aurora PostgresC#DockerKafkaKubernetes
Reposted An Hour AgoSaved
In-Office
London, UK
Senior level
Senior level
Information Technology • Software
The role involves developing digital solutions, leading teams in Agile and DevOps environments, and mentoring while ensuring high-quality Java-based systems development and testing.
Top Skills: AntAtlassianBootstrapCSSDockerGitGradleHTMLJavaKubernetesMavenMySQLPostgresSpring Boot
Reposted An Hour AgoSaved
In-Office
London, UK
Junior
Junior
Cloud • Information Technology • Software • Design
As a Junior Backend Software Engineer, you will design and implement scalable backend services, collaborate on features, and optimize performance while gaining mentorship and experience in a supportive environment.
Top Skills: AWSAws CdkDockerDynamoDBMySQLOpensearchPostgresS3TerraformWebsockets
Reposted An Hour AgoSaved
In-Office
London, UK
Mid level
Mid level
Cloud • Information Technology • Software • Design
As an AI/ML Software Engineer, you'll develop systems that transform audio and video data into structured insights, focusing on prompt engineering, agent systems, and model optimization.
Top Skills: C/C++GoLlm ApisPythonReactVue
Reposted An Hour AgoSaved
In-Office
London, UK
Mid level
Mid level
Biotech
As a Software Engineer, you will design and manage cloud infrastructure, enhance DevOps practices, and collaborate with teams to drive innovation in drug discovery.
Top Skills: Ci/CdDockerGCPGrafanaHelmKapitanKubernetesKustomizePrometheusPythonSplunkTerraform
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