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Top Backend Developer Jobs in London

139+ Job Results
2 Days Ago
London, UK
1,200 Employees
Expert/Leader
1,200 Employees
Expert/Leader
Digital Media • eCommerce • Gaming • Mobile • News + Entertainment
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.
6,000 Employees
Entry level
Fintech • Mobile • Payments • Software • Financial Services
As a Backend Product Engineer at Wise, you will design and implement scalable backend microservices using Java and Spring Boot, collaborate with various teams to support partner integrations, and mentor junior engineers. You will contribute to expanding Wise's global payment network by developing and integrating high-quality services.
2 Days Ago
London, UK
Hybrid
6,000 Employees
Senior level
6,000 Employees
Senior level
Fintech • Mobile • Payments • Software • Financial Services
The Senior Backend Engineer will work in the Receive Risk team to create a scalable and secure global platform for money transactions, improve user experience through data-driven solutions, and prevent fraud. Responsibilities include developing web applications, collaborating across teams, and employing best coding practices.
2 Days Ago
London, UK
Hybrid
6,000 Employees
Senior level
6,000 Employees
Senior level
Fintech • Mobile • Payments • Software • Financial Services
The Senior Backend Engineer will join the Receive Adoption team to develop features that facilitate third-party payments for customers. Responsibilities include optimizing databases, writing testable code, integrating systems, and enhancing automated processes to scale the product effectively.
2 Days Ago
London, UK
Hybrid
6,000 Employees
Entry level
6,000 Employees
Entry level
Fintech • Mobile • Payments • Software • Financial Services
As a Backend Engineer in the Spend Clearing & Transactions team, you will develop scalable and reliable services for processing payments via Wise Cards. You'll work with Java and Spring, focusing on transaction lifecycles, customer experiences, and continuous improvement of the product.
3 Days Ago
London, UK
Hybrid
1,810 Employees
Senior level
1,810 Employees
Senior level
Cloud • Fintech • Information Technology • Machine Learning • Software • App development • Generative AI
As a Software Engineer, Back-End at BlackLine, you'll design, develop, and maintain scalable cloud-based applications while leading and mentoring other engineers. You'll collaborate with product management and other teams to translate requirements into technical solutions, ensuring high software quality and performance. You'll also evaluate new technologies and support the team’s coding practices.
3 Days Ago
London, UK
Remote
Hybrid
1,200 Employees
Senior level
1,200 Employees
Senior level
Information Technology • Productivity • Software • Infrastructure as a Service (IaaS)
The Senior Software Engineer will design and develop Java and Kotlin backend applications, maintain existing systems, and contribute to the NinjaOne product suite in an agile environment. Responsibilities include improving current applications, monitoring system performance, documenting projects, and executing software test plans.
3 Days Ago
London, UK
Hybrid
289,097 Employees
Entry level
289,097 Employees
Entry level
Financial Services
Deliver end-to-end solutions using cloud-native microservice architecture applications and the latest technologies.

Featured Jobs

5 Days Ago
London, UK
Remote
2,800 Employees
Senior level
2,800 Employees
Senior level
Artificial Intelligence • Cloud • Fintech • Professional Services • Software • Analytics • Financial Services
The Staff Backend Engineer will lead the development and enhancement of backend services for the Workiva Carbon application, mentor junior engineers, ensure code quality, and collaborate with cross-functional teams to optimize user experience and performance.
6 Days Ago
London, UK
Remote
242 Employees
Senior level
242 Employees
Senior level
Artificial Intelligence • Machine Learning • Natural Language Processing • Conversational AI
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.
8 Days Ago
London, UK
Remote
242 Employees
Senior level
242 Employees
Senior level
Artificial Intelligence • Machine Learning • Natural Language Processing • Conversational AI
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.
11 Days Ago
London, UK
Remote
190 Employees
Senior level
190 Employees
Senior level
Artificial Intelligence • Enterprise Web • Software
As a Senior Software Engineer on the Content Lake DX team, you will design and develop scalable distributed systems, improve caching and query performance, mentor teammates, influence team processes, and respond to critical incidents. Your work will contribute to a better developer experience and open-source solutions.
11 Days Ago
London, UK
Remote
10,000 Employees
Senior level
10,000 Employees
Senior level
Cloud • Information Technology • Sales • Security • Cybersecurity
As a Senior Backend Software Engineer at CrowdStrike, you will design and build scalable distributed systems, troubleshoot production issues, and collaborate with product managers and engineers on platform-level initiatives. You will utilize a variety of technologies to enhance a no-code security application development platform and implement solutions for critical production challenges.
12 Days Ago
London, UK
Hybrid
1,810 Employees
Mid level
1,810 Employees
Mid level
Cloud • Fintech • Information Technology • Machine Learning • Software • App development • Generative AI
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.
12 Days Ago
London, UK
Hybrid
289,097 Employees
Entry level
289,097 Employees
Entry level
Financial Services
As a Software Engineer III - Java at JPMorgan Chase, you will be responsible for building innovative solutions to solve real-world problems and enhance customer experiences. You will work in collaborative teams to deliver high-quality products using Java. The role emphasizes domain modeling, software structuring, scalability, security, performance optimization, and continuous learning and improvement of technologies and patterns.
12 Days Ago
London, UK
Hybrid
21,000 Employees
21,000 Employees
Artificial Intelligence • Hardware • Information Technology • Security • Software • Cybersecurity • Big Data Analytics
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.
12 Days Ago
London, UK
Hybrid
341 Employees
Mid level
341 Employees
Mid level
Fintech • Software • Financial Services
As a Backend Engineer at CAIS, you will design, develop, and maintain applications across the platform, utilizing technologies like Kotlin and Spring while focusing on CI/CD practices. You will collaborate in a cross-functional team, contributing to innovative solutions and maintaining a DevOps culture.
13 Days Ago
London, UK
700 Employees
Junior
700 Employees
Junior
Cloud • eCommerce • Information Technology • Retail • Software • Database
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.
13 Days Ago
London, UK
Remote
10,000 Employees
Senior level
10,000 Employees
Senior level
Cloud • Information Technology • Sales • Security • Cybersecurity
The Sr. Software Engineer, Backend will develop and enhance cloud-based systems for the Detections Platform, ensuring quick response to threat changes while collaborating across teams to design and implement solutions using primarily Go and some Python. Responsibilities include code review, technical guidance, and focusing on engineering best practices.
16 Days Ago
London, UK
6,000 Employees
Senior level
6,000 Employees
Senior level
Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
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.
16 Days Ago
London, UK
6,000 Employees
Senior level
6,000 Employees
Senior level
Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
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.
18 Days Ago
London, UK
Hybrid
18,000 Employees
Entry level
18,000 Employees
Entry level
Cloud • Fintech • Machine Learning • Analytics • Financial Services
As a Back End Engineer, you will analyze, develop, and design solutions for application's software. Responsibilities include coding, testing, and deploying new features, leading Associate Application Engineers, remediating issues, and contributing to technology communities. Expect a collaborative Agile environment focused on delivering quality code and managing potential risks.
18 Days Ago
London, UK
Hybrid
18,000 Employees
Senior level
18,000 Employees
Senior level
Cloud • Fintech • Machine Learning • Analytics • Financial Services
The Senior Associate Application Engineer is responsible for programming features and test cases, contributing to agile ceremonies, participating in system design decisions, and learning complex software engineering practices. This role involves managing risks and customer-impacting issues and supporting production systems.
18 Days Ago
London, UK
Hybrid
18,000 Employees
Senior level
18,000 Employees
Senior level
Cloud • Fintech • Machine Learning • Analytics • Financial Services
The Principal Application Engineer is responsible for delivering impactful software solutions, analyzing, designing, coding, testing and deploying complex solutions. This role involves both technical proficiency and strategic decision-making, as well as risk management and problem-solving in various technical domains.
18 Days Ago
London, UK
6,000 Employees
Junior
6,000 Employees
Junior
Fintech • Professional Services • Consulting • Energy • Financial Services • Cybersecurity • Generative AI
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.
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