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Top Backend Developer Jobs in London

Reposted 7 Hours AgoSaved
Hybrid
London, UK
Senior level
Senior level
Digital Media • Gaming • Information Technology • Software • Sports • Esports • Big Data Analytics
As a Senior Software Engineer, develop systems and APIs, ensure scalable features, and lead engineering efforts in a fast-paced environment.
Top Skills: AWSC#JavaSQL
Reposted YesterdaySaved
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
4 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
As a Senior Software Engineer, you will enhance the account details platform, focusing on backend development to support cross-border payments and improve customer onboarding.
Top Skills: GoJavaPythonRestful Apis
Reposted 5 Days AgoSaved
Remote or Hybrid
London, UK
Mid level
Mid level
Artificial Intelligence • Productivity • Sales • Software
Lead and develop a high-performing engineering team, drive technical leadership, and evolve architecture and processes to enhance product scalability and data capacity.
Top Skills: AWSElasticsearchMySQLNode.jsReactRedisReduxRuby On Rails
Senior level
Fintech • Mobile • Payments • Software • Financial Services
As a Senior Backend Engineer, you will enhance accounting integrations and reporting, improve workflows, localize offerings, and build an extensible platform.
Top Skills: Database SystemsDistributed SystemsGoJavaKafkaPythonRestful Apis
8 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
10 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 expanding payment methods, optimizing APIs, and working on global ecommerce integrations while mentoring fellow engineers.
Top Skills: DatabaseDistributed SystemsGoJavaKafkaPythonRestful Apis
3 Days AgoSaved
Easy Apply
Remote
London, UK
Easy Apply
Senior level
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
Responsible for setting technical strategy, collaborating across teams on backend systems, ensuring operational reliability, fostering team culture, and developing team talent.
Top Skills: AWSKotlinKubernetesMySQLPythonSpark
17 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
23 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
25 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Fintech • Mobile • Payments • Software • Financial Services
Join Wise's Consumer Onboarding team as a Senior Software Engineer to build scalable onboarding systems and enhance customer experience.
Top Skills: GoJavaPythonRestful Apis
Reposted 7 Hours AgoSaved
Hybrid
London, UK
Entry level
Entry level
Artificial Intelligence • Computer Vision • Machine Learning • Software
Join a collaborative team to build and optimize the AI infrastructure. You'll work on various projects with end-to-end ownership and make significant impacts. Engage in problem-solving and contribute to enhancing products using modern technologies.
Top Skills: CudaGCPKubernetesPythonPyTorchRayReactTypescript
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YesterdaySaved
Hybrid
London, UK
Mid level
Mid level
Information Technology • Cybersecurity
The Back End Engineer role involves maintaining and improving Perl-based systems, developing features, ensuring operational stability, and collaborating on system improvements with a proactive approach to incident response and reliability.
Top Skills: AWSDockerEc2GitGoKubernetesMariadbMySQLPerlPuppetRdsS3SQLSqsTypescriptUnix
YesterdaySaved
Easy Apply
Hybrid
London, UK
Easy Apply
Senior level
Senior level
Enterprise Web • Marketing Tech • Software
As a Senior Software Engineer, you'll innovate and maintain content storage infrastructure, collaborate on scaling services, and anticipate operational risks.
Top Skills: AWSDatadogGoKafkaKubernetesPostgresSplunkTerraformTypescript
Reposted 19 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
Reposted YesterdaySaved
Hybrid
London, UK
Senior level
Senior level
Artificial Intelligence • Healthtech
The Senior Backend Engineer will develop backend features for an AI product in healthcare, focusing on systems architecture, data storage, and API integration, while ensuring code quality and scalability.
Top Skills: MongoDBPythonRedis
Reposted YesterdaySaved
Easy Apply
In-Office
London, UK
Easy Apply
Senior level
Senior level
Agriculture • Manufacturing
The Senior Backend Engineer will design and build scalable backend systems, manage projects from design to deployment, write clean code, and collaborate with product teams to address customer problems.
Top Skills: Ci/CdIacPythonTerraformTypescript
Reposted 2 Days AgoSaved
Remote or Hybrid
London, UK
Senior level
Senior level
Fintech • Payments • Financial Services
As a Staff Engineer at LemFi, you'll drive technical strategies for the Remittance Platform, ensuring scalable systems and mentoring engineers. You will shape the architectural decisions and improve engineering standards to enhance productivity across teams.
Top Skills: AWSDockerGoKafkaPostgresRedis
2 Days AgoSaved
In-Office or Remote
London, UK
Mid level
Mid level
Music
The Backend Engineer will build backend systems for personalized content delivery, collaborate with ML teams, and ensure production reliability for Spotify's services, focusing on user engagement and A/B testing.
Top Skills: AIJavaJvm
Reposted 2 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
eCommerce • Retail
As a Staff Software Engineer, you will design and deliver backend services and APIs, lead cross-team initiatives, support production services, and mentor junior engineers in a DevOps-oriented environment.
Top Skills: Cloud-Native ApplicationsGrafanaJavaKotlinNoSQLPrometheusSpring BootSQL
3 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Artificial Intelligence • HR Tech • Productivity • Software
Join as the second backend engineer to build scalable infrastructure for real-time voice interpretation, owning the core API platform, and architecting systems for high concurrency.
Top Skills: AzurePython
Reposted 3 Days AgoSaved
In-Office or Remote
London, UK
Senior level
Senior level
Beauty • Fashion • Retail
Lead the architecture and development of backend services and APIs for e-commerce platforms, ensuring scalability and security while collaborating across teams.
Top Skills: AWSDockerGCPGraphQLKafkaNode.jsRestTerraformTypescript
4 Days AgoSaved
In-Office
London, UK
Senior level
Senior level
Artificial Intelligence • HR Tech • Productivity • Software
As a Senior Back-end Engineer, lead development of scalable microservices and RESTful APIs for a fintech B2B SaaS platform, with a focus on integration and performance.
Top Skills: AWSFlywayJava 21KubernetesSpring BootSQL
Senior level
Artificial Intelligence • HR Tech • Productivity • Software
Join Userled.io as a Senior Product Engineer, where you'll design backend systems, develop REST APIs, and collaborate on strategic decisions in a PM-free environment.
Top Skills: AWSBigQueryC#GoJavaKafkaRedisRust
4 Days AgoSaved
Hybrid
London, UK
Senior level
Senior level
Artificial Intelligence • HR Tech • Productivity • Software
Design and scale backend systems for an AI-native fashion marketplace, integrating complex payment workflows and mentoring junior engineers.
Top Skills: AIComputer VisionNode.jsTypescript
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