Top Backend Developer Jobs in London

As a Staff Back-End Software Engineer, you will design, develop, maintain, and optimize cloud-based backend services while collaborating with teams to build new features and mentor junior engineers. Your role will significantly impact the delivery of high-quality releases and innovative solutions to customers.

Design and develop scalable and secure payment systems, integrate and support major PSP providers, work on backend server-side systems, and collaborate with cross-functional teams to ensure technical excellence in payment solutions.

The Principal Software Engineer in Partner Engineering at Crunchyroll will lead deployments, optimize implementations, and manage integrations to enhance partnerships. Responsibilities include improving operations, defining new solutions, automating partner operations, and overseeing projects with various teams. The role entails technical engagement and creative problem solving to elevate user experiences.

As a Senior Backend Engineer, you will design and implement scalable backend services and APIs, optimize performance and security, and troubleshoot production issues. You'll collaborate with cross-functional teams and participate in code reviews while ensuring the backend services meet customer needs.

As a Senior Backend Engineer, you will enhance the platform by designing, developing, and deploying backend services and APIs, ensuring optimal performance and security while collaborating across teams. Your role involves troubleshooting production issues and participating in code reviews.

As a Senior Backend Engineer at Contentful, you will enhance our content discovery capabilities by building and improving search engine systems, REST and GraphQL APIs, and leveraging AWS, Docker, and Kubernetes. You will work closely with cross-functional teams to deliver high-quality digital experiences, focusing on innovative AI solutions and large-scale database systems.

Analyzes, develops, designs, and maintains software for the organization’s products and systems. Performs system integration of software and hardware to maintain throughput and program consistency. Develops, validates, and tests structures and user documentation.

As a Senior Backend Engineer at Capco, you will develop cloud-based platforms in the financial services industry, utilizing Java, Spring Boot, AWS, and Agile methodologies. The role requires deep technical knowledge, contributions to critical business applications, and effective communication of complex ideas.

As a Principal Backend Engineer at Capco, you will lead the development of cloud-based platforms, focusing on Java and Spring Boot. You will utilize Agile methodologies, influence the design and testing strategies, and mentor engineers while ensuring the delivery of high-quality software to transform financial services.

Backend Engineer position at Capco focusing on Java development for applications in the financial services industry. Responsible for demonstrating engineering best practices, contributing to projects, and staying updated on new technologies in the finance sector.

As a Backend Engineer in Engineering Productivity at GitLab, you will enhance developer efficiency by optimizing workflows, measuring productivity, and implementing improvements to get insights into engineering performance. You will collaborate on tooling development, contribute to KPI initiatives, and actively improve the developer experience.

As a Senior Backend Engineer at OakNorth, you will design and engineer large scale systems, embrace DevOps culture, and contribute to cross-functional teams focused on building innovative financial solutions. Your mentorship and collaborative skills will help grow colleagues while enhancing business impacts through technology.

The Senior Java Backend Engineer will be responsible for contributing to product engineering, implementing features for users of data streaming technology (Apache Kafka), collaborating with product and front-end teams, ensuring operational robustness for critical customer systems, and improving code quality and best practices.

The Senior Backend Engineer will design and develop Scala microservices connecting applications to CRMs and third-party tools, contribute to product architecture, and integrate external services using OAuth2.0. Strong programming skills in Java or C#, along with experience in Agile development, are essential.

The role involves designing, developing, and maintaining backend systems, collaborating with cross-functional teams to integrate AI models, optimizing backend services for performance, ensuring data integrity, and staying current with industry trends.

Design, build, and maintain efficient, reusable, and reliable Ruby/Elixir code in a fast-paced environment. Work on switching from monolith to microservice architecture, focusing on domain-driven design. Collaborate with the team on different layers of the infrastructure at Fresha.

Senior Staff Backend Engineer role at Fresha, leading marketplace platform for beauty & wellness. Responsible for technical vision, strategy, and execution, ensuring system reliability and scalability. Hands-on coding skills, ownership of architecture, technical guidance, and cross-team initiatives.