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Top Backend Developer Jobs in London

Yesterday
London, UK
Hybrid
2,000 Employees
Junior
2,000 Employees
Junior
Cloud • eCommerce • Fintech • Payments • Financial Services
The Software Engineer will join the Backend team to enhance the merchant-facing platform, building new API connections with Payment Service Providers and optimizing existing integrations while collaborating with the Product team on new features.
Yesterday
London, UK
Remote
18 Employees
Senior level
18 Employees
Senior level
Software
As a Senior Engineer, you will improve web applications that help utility companies manage climate crisis risks. Your role includes enhancing product performance, scalability, and minimizing manual tasks in vegetation analysis. You will lead initiatives, mentor engineers, and collaborate with cross-functional teams in a remote-first environment.
22 Days Ago
London, UK
Hybrid
9,574 Employees
Senior level
9,574 Employees
Senior level
Music
The Senior Backend Engineer will work with a team to create scalable backend systems for client-facing experiences. Responsibilities include collaborating with engineers and product teams, architecting backend services, taking operational responsibility, and coaching team members to improve processes. A strong focus is on quality code and problem-solving in complex systems.
Yesterday
London, UK
43 Employees
Senior level
43 Employees
Senior level
Agriculture • Manufacturing
The role involves collaborating with product, design, and data teams to enhance CarbonChain's carbon accounting platform. Responsibilities include developing features, building enterprise applications, and ensuring accurate carbon data delivery for customers.
23 Days Ago
London, UK
150 Employees
Mid level
150 Employees
Mid level
Fintech • Software • Sports
Design, implement, and maintain complex designs/features written in Python and Rust. Help reinforce code quality standards, improve engineering processes, and mentor teammates. Collaborate with product and engineering teams to lead projects aligned with business goals. Champion the tech stack by implementing functionalities effectively.
23 Days Ago
London, UK
Remote
60 Employees
Mid level
60 Employees
Mid level
Software
The Staff/Senior Software Engineer will work on the backend of a SaaS product, taking ownership of the full development lifecycle, including planning, execution, testing, and production support. Responsibilities include discussing issues, designing features, and ensuring code quality while collaborating effectively in a remote team environment.
4 Days Ago
London, UK
911 Employees
Senior level
911 Employees
Senior level
Blockchain • Fintech • Financial Services • Cryptocurrency • Web3
The Senior Software Engineer at Blockchain.com will design and develop scalable back-end systems and APIs for financial and crypto-native products. They will advocate for technical best practices, ensure system performance, and collaborate with interdisciplinary teams to enhance user experience.
4 Days Ago
London, UK
Remote
134 Employees
Mid level
134 Employees
Mid level
Social Impact
As a Fullstack Developer at Manara, you'll work on enhancing the core product by implementing workflows in a Next.js/Node application, building AWS infrastructure, and collaborating with the team. Focus on improving user experience, engaging in problem-solving, and maintaining code quality with tests. You will contribute to upskilling users and building a supportive tech community in MENA.
3 Days Ago
London, UK
Remote
6,000 Employees
Senior level
6,000 Employees
Senior level
Big Data • Cloud • Healthtech • Software • Big Data Analytics
The Senior Engineer will architect and develop innovative web applications, utilizing technologies like Python, Typescript, GraphQL, and AWS. Responsibilities include building scalable applications, crafting REST and GraphQL APIs, and participating in technical planning and problem-solving.
5 Days Ago
London, UK
Remote
195 Employees
Senior level
195 Employees
Senior level
Sports • Analytics
As a Senior Backend Engineer, you will enhance the reporting and analytics platform by rearchitecting the system for scalability and performance, developing data pipelines, ensuring code quality, and collaborating with product teams. Your role requires expertise in backend development and leadership in technical projects.
6 Days Ago
London, UK
Remote
700 Employees
Senior level
700 Employees
Senior level
Cloud • Mobile • Sales • Software
As a Senior Software Engineer, you will design, develop, deploy, and operate real-time services that enhance customer value. You will oversee architectural decisions, improve platform resilience and scalability, and handle critical system issues. Collaboration across teams and mentoring is vital in this role.
6 Days Ago
London, UK
85,636 Employees
Junior
85,636 Employees
Junior
Aerospace • Logistics • Security • Software • Cybersecurity
As a Backend Developer at Northrop Grumman UK, you'll design, develop, and maintain backend infrastructure, collaborating with cross-functional teams. Your responsibilities will include the entire software development lifecycle from requirements gathering to deployment, and mentoring junior developers.
6 Days Ago
London, UK
85,636 Employees
Senior level
85,636 Employees
Senior level
Aerospace • Logistics • Security • Software • Cybersecurity
The Python Developer will design, develop, and maintain backend infrastructure while ensuring scalability and robustness. They will be involved throughout the software development lifecycle and collaborate with cross-functional teams. The role includes mentoring junior developers and solving complex challenges in various projects within the cybersecurity and defense sectors.
5 Days Ago
London, UK
Remote
504 Employees
Senior level
504 Employees
Senior level
Edtech
As a Senior Full Stack Engineer at DataCamp, you will develop and enhance their learning platform, contribute to its technical direction, and tackle complex challenges. You will work on both the frontend and backend technologies while mentoring other engineers and improving user-centric features.
7 Days Ago
London, UK
Remote
151 Employees
Senior level
151 Employees
Senior level
Healthtech
The Senior Software Engineer will design, build, and maintain Doccla's Virtual Ward and remote patient monitoring platform. Responsibilities include improving team standards, working across various tech stacks, and minimizing friction through automation in a regulated environment. The role involves collaboration to deliver high-quality software within a high-growth B2B healthcare business.
9 Days Ago
London, UK
15 Employees
Senior level
15 Employees
Senior level
Software • Automation
As a Fullstack Software Engineer, you will develop features for existing software and new products, write clean code, participate in code reviews, create documentation, and stay updated on software development trends in a remote team environment.
9 Days Ago
London, UK
8,216 Employees
Entry level
8,216 Employees
Entry level
Cloud • Hardware • Software • Semiconductor
The role involves full stack software engineering to develop a web application for simulating and managing data centre digital twins. Responsibilities include collaboration with team members, front-end and back-end development, debugging, implementing tests, code reviews, and security enhancements.
9 Days Ago
London, UK
900 Employees
Senior level
900 Employees
Senior level
Cloud • Information Technology • Software
As a Principal Engineer at Intercom, you will lead strategic initiatives, contribute to both back-end and front-end systems, mentor other engineers, and enhance technical architecture while ensuring agility and operational excellence. You will also oversee project progress and promote high technical standards.
9 Days Ago
London, UK
Hybrid
4,266 Employees
Senior level
4,266 Employees
Senior level
Fintech • Financial Services • Cryptocurrency • NFT • Web3
Design, develop, and maintain software for ventures projects. Involved in designing scalable applications from frontend UI to backend infrastructure. Responsible for proposing architectural decisions, code review, implementation, and solving complex problems in the blockchain protocol.
9 Days Ago
London, UK
43 Employees
Mid level
43 Employees
Mid level
Artificial Intelligence • Information Technology • Insurance • Natural Language Processing • Software
The Full-Stack Engineer is responsible for building features on a real-time ML platform that delivers AI solutions, collaborating with teams across the business to understand needs and own the delivery process. Key technologies include React and Python with a focus on quality assurance and infrastructure-as-code practices.
9 Days Ago
London, UK
27 Employees
Senior level
27 Employees
Senior level
Artificial Intelligence • Software
As a Senior Software Engineer, you will develop AI-driven applications, collaborating with cross-functional teams to enhance user experiences. Responsibilities include designing both front-end and back-end components, optimizing web applications, troubleshooting software defects, and participating in code reviews.
10 Days Ago
London, UK
Remote
59 Employees
Senior level
59 Employees
Senior level
Software
As a Full Stack Software Engineer at OfferFit, you will design, implement, and enhance modular components for an AI-driven platform. This involves using TypeScript and JavaScript to build extensible web applications while collaborating with various teams to ensure customer success and product improvement.
11 Days Ago
London, UK
Remote
357 Employees
Junior
357 Employees
Junior
Financial Services
The Front-end Developer will collaborate with product managers to optimize product functions and develop web front-end pages. Responsibilities include working with designers on interaction effects, building application features with back-end engineers, and maintaining front-end infrastructure and component abstraction.
16 Days Ago
London, UK
Remote
578,950 Employees
Senior level
578,950 Employees
Senior level
Big Data • Cloud • Logistics • Machine Learning • Retail
Design and develop scalable backend services for Walmart's Scan and Go App while championing software development best practices and guiding junior team members. Focus on continuous deployment and creating operational dashboards to enhance customer experience across various platforms.
17 Days Ago
London, UK
Hybrid
55 Employees
Mid level
55 Employees
Mid level
Big Data • Software • Big Data Analytics
As a Backend Engineer at Conduktor, you'll build advanced streaming tools for Apache Kafka, collaborate with Product and Frontend teams, enhance customer experiences, and contribute to code quality and best practices in a hybrid work environment.
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