Top Backend Developer Jobs in London

Reposted 2 Days AgoSaved
In-Office
London, UK
Expert/Leader
Expert/Leader
Fintech • Payments • Financial Services
Lead development projects focusing on customer experiences and operational management. Mentor other engineers, make strategic tech decisions, and solve complex challenges while contributing high-quality code.
Top Skills: GoJavaKotlin
Reposted 8 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Artificial Intelligence • Hardware • Information Technology • Security • Software • Cybersecurity • Big Data Analytics
The Senior Backend Software Engineer will develop and maintain a cloud-based video surveillance system, focusing on backend development, feature enhancement, and system scalability in a collaborative agile team environment.
Top Skills: C++GoJavaPythonRust
Reposted 11 Days AgoSaved
Hybrid
London, UK
Mid level
Mid level
Fintech • Mobile • Payments • Software • Financial Services
As the Engineering Lead, you'll design and build backend systems for business expense management, leading a diverse team and overseeing the technical roadmap to enhance business customer experiences.
Top Skills: Distributed Backend SystemsLlm Technologies
Reposted 12 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
As a Principal Backend Engineer, you will build scalable backend services with Java, design APIs, implement microservices, and work with AWS cloud technologies.
Top Skills: AWSCi/CdCloudFormationJavaKafkaSpring Boot
Reposted 4 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Healthtech
The Senior Software Engineer will design and build backend services for health data, improve reliability, and deliver robust solutions to enhance patient care.
Top Skills: FastapiGoGoogle Cloud PlatformNext.JsPostgresPythonTemporal CloudTypescript
17 Days AgoSaved
Hybrid
London, UK
Mid level
Mid level
Fintech • Mobile • Payments • Software • Financial Services
The role involves designing and developing backend services, maintaining RESTful APIs, and optimizing systems for financial transactions with a focus on automation and security best practices.
Top Skills: Apache KafkaAWSJavaKotlinPostgresRestful ApisSpring Boot
17 Days AgoSaved
Hybrid
London, UK
Mid level
Mid level
Fintech • Mobile • Payments • Software • Financial Services
As a Backend Software Engineer, you'll design and develop scalable services, lead development in event-driven architectures, and collaborate with cross-functional teams for global payment integration.
Top Skills: Domain-Driven Design (Ddd)Event-Driven DesignJava 8+KafkaMicroservices ArchitectureRelational DatabasesSpring Framework
Reposted 17 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
The role involves designing and building cloud-native applications using Java and Spring Boot, focusing on scalable microservices for financial institutions while leading agile practices.
Top Skills: AWSCi/CdCloudFormationJavaKafkaNoSQLSpring BootSQL
Reposted 8 Days AgoSaved
Easy Apply
In-Office or Remote
London, UK
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
Lead the technical strategy for GitLab Secrets Manager, focusing on secure, multi-tenant secrets management architecture, integration with OpenBao, and collaboration across teams.
Top Skills: GitlabGoHashicorp VaultJwtMtlsOpenbaoOpenid ConnectPkcs#11Ruby On Rails
10 Days AgoSaved
Easy Apply
Remote
London, UK
Easy Apply
Senior level
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
The Senior Software Engineer will lead the development of backend systems for payment processing, collaborating with teams, setting goals, and fostering quality and ownership in code development.
Top Skills: AWSKotlinKubernetesMySQLPython
Senior level
Fintech • Mobile • Payments • Software • Financial Services
As a Backend Engineer, you'll enhance accounting integrations, improve workflows, expand global offerings, and build a scalable platform architecture.
Top Skills: Database FundamentalsDistributed SystemsGoJavaKafkaPythonRestful Apis
14 Days AgoSaved
Easy Apply
In-Office or Remote
London, UK
Easy Apply
Senior level
Senior level
Cloud • Security • Software • Cybersecurity • Automation
As a Senior Backend Engineer, you'll manage Kubernetes clusters, implement GitOps workflows, establish infrastructure as code practices, and enhance platform reliability and security controls.
Top Skills: Amazon EksArgocdAzure AksBashGoGoogle GkeKubernetesPythonTerraform
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14 Days AgoSaved
Easy Apply
In-Office or Remote
London, UK
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
The Staff Backend Engineer enhances Developer Experience by improving engineering workflows, reducing testing flakiness, optimizing CI/CD pipelines, and fostering a culture of learning across teams.
Top Skills: GoRuby
14 Days AgoSaved
Easy Apply
In-Office or Remote
London, UK
Easy Apply
Mid level
Mid level
Cloud • Security • Software • Cybersecurity • Automation
As a Staff Backend Engineer at GitLab, you'll enhance backend infrastructure for CI, integrate AI features, and ensure reliability and performance in CI/CD workflows.
Top Skills: AICi/Cd WorkflowsPostgresRubyRuby On Rails
Reposted 25 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
The Senior Software Engineer will enhance the Acquiring Platform by designing and implementing payment methods, APIs, and managing stakeholder relationships. Responsibilities include building scalable infrastructure for merchant payment systems and optimizing distributed architectures.
Top Skills: GoJavaKafkaPythonRestful Apis
48 Minutes AgoSaved
In-Office
London, UK
Senior level
Senior level
Database
Seeking a Senior Backend Engineer proficient in Rust to develop secure and scalable backend systems for the Affinidi Elements platform, focusing on performance optimization, architectural direction, and collaboration across teams.
Top Skills: AWSDartRustTypescript
2 Hours AgoSaved
In-Office
London, UK
Senior level
Senior level
eCommerce • Social Media
As a Senior Backend Engineer, you will design solutions, produce quality code, manage production incidents, mentor colleagues, and work with diverse tech stacks.
Top Skills: AWSDynamoDBKafkaKubernetesPostgresPythonScalaTerraformTypescript
Reposted 14 Hours AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Software • Financial Services
Build and maintain backend services for iwoca's German market, owning projects end-to-end. Improve and automate operational workflows (underwriting, notifications, account management), evolve architecture for scale, advocate for engineering quality, and mentor teammates while reducing manual effort.
Top Skills: Ci/CdDjangoFastapiFlaskMySQLNinjaPostgresPythonReactTypescript
Reposted 19 Days AgoSaved
Remote
London, UK
Senior level
Senior level
Information Technology
As a Senior Backend Engineer at DuckDuckGo, you'll lead backend projects, mentor engineers, and develop AI-enhanced features for the company's privacy-centric product line.
Top Skills: Ai ToolingGoNode.jsPerlRag Pipelines
Reposted YesterdaySaved
In-Office
London, UK
Senior level
Senior level
Fintech • Payments • Financial Services
Design and develop scalable server-side components, integrate APIs, automate workflows, and collaborate with teams on financial solutions.
Top Skills: APIsDjangoMicroservicesPython
2 Days AgoSaved
In-Office
London, UK
Mid level
Mid level
Artificial Intelligence • Computer Vision • Machine Learning • Software
As a Backend Software Engineer, you will build scalable backend applications, influence product decisions, and work with cross-functional teams to achieve impactful results on Encord's AI platform.
Top Skills: CudaGCPKubernetesPythonPyTorchRayReactTypescript
2 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Music
As a Senior Backend Engineer, you'll build and scale backend platforms for AI systems, design infrastructure, develop evaluation frameworks, and improve developer workflows at Spotify.
Top Skills: KubernetesPythonTypescript
2 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Artificial Intelligence • Information Technology • Machine Learning • Natural Language Processing • Software
The Senior Backend Software Engineer will design, build, and maintain scalable backend systems. Responsibilities include collaboration with teams, API implementation, and ensuring best practices in software engineering.
Top Skills: AWSAzureDjangoDockerElasticsearchFlaskGCPGitNoSQLOpensearchPythonReactRestful ApiSQLTerraform
Reposted 2 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Software
As a Senior Backend Software Engineer, you will develop and maintain the SaaS platform, focusing on user-centric design and implementation using a variety of technologies. Your role involves collaborating with teams to meet customer needs and enhance the product.
Top Skills: .Net CoreC#Circle CiDockerGoogle Cloud PlatformKubernetesLinuxPostgresRabbitMQReactTerraformTypescript
Reposted 2 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Fintech • Financial Services • Cryptocurrency
Design and develop cloud services using JVM technologies, focusing on high availability and scalability while implementing automated delivery with CI/CD pipelines.
Top Skills: AWSGithub ActionsHibernateJooqKotlinKubernetesSpringVert.X
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