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Top Backend Developer Jobs in London

362+ Job Results
24 Days Ago
London, UK
Hybrid
1,500 Employees
7+ Years of Experience
1,500 Employees
7+ Years of Experience
Productivity • Software
Senior Software Engineer role at monday.com in London, responsible for developing infrastructure features from UI to database using a tech stack including React, Redux, Node.js, Ruby on Rails, AWS, Elastic Search, Redis, and MySQL. This is a hybrid position with 3 days/week in the London office.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+63 More
16 Days Ago
London, UK
Hybrid
289,097 Employees
3-5 Years of Experience
289,097 Employees
3-5 Years of Experience
Financial Services
Join the Alternatives Technology team at JPMorgan Asset Management as a Java and React JS developer in London. Work directly with the Global Transportation Group on building a bespoke portfolio management platform. Responsibilities include capturing business requirements, designing and implementing solutions, and collaborating with the business users.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+19 More
20 Days Ago
London, UK
234 Employees
7+ Years of Experience
234 Employees
7+ Years of Experience
Mobile • Software
As a Senior Backend Engineer at Wheely, you will be responsible for identifying problems in the current systems, researching and implementing fault-tolerant server solutions, and collaborating with fellow engineers to maintain these solutions. The role requires expertise in algorithmic foundations, proficiency in one of the specified programming languages, and experience in backend development.
21 Days Ago
London, UK
Remote
170 Employees
3-5 Years of Experience
170 Employees
3-5 Years of Experience
Fintech • Mobile • Payments • Software
Backend Engineer role at SQUIRE on the Payments product team, responsible for building and maintaining high-quality product features for service applications using Node.js. Collaborate with the team to ensure seamless integration with frontend and mobile applications. Participate in code reviews and troubleshoot software defects.
Top Benefits:
401-K
401-K Matching
Company Equity
+38 More
12 Days Ago
London, UK
Remote
164 Employees
5-7 Years of Experience
164 Employees
5-7 Years of Experience
Software
Senior Kotlin Backend Developer at Flip responsible for optimizing domain for users and customers, providing a unique user experience, and coaching less experienced colleagues. Requires at least 5 years of experience in backend systems, full cycle development, and expertise in Kotlin and Micronaut.
23 Days Ago
London, UK
Remote
1,213 Employees
3-5 Years of Experience
1,213 Employees
3-5 Years of Experience
Information Technology • Mobile • Consulting
As a Backend Staff Engineer at Yassir, you will drive technical standards in the Last Mile Delivery domain, provide leadership in tech roadmaps and architecture decisions, mentor junior developers, and contribute to the scaling up of Backend engineers. Responsibilities include designing, building, and maintaining features, conducting design and code reviews, and improving engineering standards and processes.
19 Days Ago
London, UK
Hybrid
1,500 Employees
7+ Years of Experience
1,500 Employees
7+ Years of Experience
Productivity • Software
As a Senior Software Engineer at WorkForms, you will lead the development of new features and impact the product's future. Responsibilities include working on a unique product integrated with the monday.com platform, collaborating with a hybrid team, influencing product architecture, and implementing technical solutions for growth.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+63 More
4 Hours Ago
London, UK
64 Employees
7+ Years of Experience
64 Employees
7+ Years of Experience
Software • Design
Mixam, a technology start-up in Watford, England, is seeking a Senior Full Stack Developer with 10 years of experience. Responsibilities include ideating software solutions, designing architecture, maintaining a document-based database, writing APIs, testing software, troubleshooting, and collaborating with data scientists. Required skills include Java, JavaScript, React, HTML, MongoDB, and AWS. Knowledge of UI/UX design, code testing methodologies, and mobile and desktop application development is essential. Degree in Computer Science or relevant field is required.
11 Days Ago
London, UK
Remote
175 Employees
3-5 Years of Experience
175 Employees
3-5 Years of Experience
Security • Cybersecurity
Join a cloud software company as a Senior Backend Engineer, responsible for building and maintaining high-throughput, low-latency systems. Must have 5+ years of software engineering experience and expertise in Python, Golang, AWS, Django, and more.
45 Seconds Ago
London, UK
20 Employees
5-7 Years of Experience
20 Employees
5-7 Years of Experience
Legal Tech
Seeking a Senior Full Stack Engineer to build platform, sites, and AI products for an online legal platform focused on providing access to legal help. Responsibilities include product development, technical decision-making, user experience enhancement, and ensuring code quality.
2 Days Ago
London, UK
Remote
151 Employees
7+ Years of Experience
151 Employees
7+ Years of Experience
Healthtech
Join Doccla, a virtual ward company revolutionizing healthcare. Build and maintain virtual ward platform for remote patient monitoring. Work with functional programming (Clojure, Elixir) for backend and React/TypeScript for frontend. Drive engineering standards, automation, and growth in a B2B healthcare setting.
24 Days Ago
London, UK
Hybrid
224 Employees
7+ Years of Experience
224 Employees
7+ Years of Experience
Artificial Intelligence • Machine Learning • Natural Language Processing • Software • Generative AI
Senior/Staff Backend Engineer responsible for developing backend services and web applications, working in a collaborative team environment, and staying updated with new technologies to improve performance and reliability.
11 Days Ago
London, UK
Hybrid
9,574 Employees
3-5 Years of Experience
9,574 Employees
3-5 Years of Experience
Music
Deliver backend services with a focus on high availability, low latency, and scalability. Collaborate with cross-functional teams to streamline features and system capabilities. Take operational responsibility for owned services and participate in on-call rotations.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+17 More
16 Days Ago
London, UK
Remote
55 Employees
3-5 Years of Experience
55 Employees
3-5 Years of Experience
HR Tech
Looking for an experienced back-end developer to contribute to the 2.0 version of Jibble, built on .NET Core. Responsible for building key integrations to Jibble 2.0 API, participating in the design process, and working with a cutting-edge tech stack. Fully remote work environment.
12 Days Ago
London, UK
110 Employees
5-7 Years of Experience
110 Employees
5-7 Years of Experience
Software • Analytics
Landytech is seeking a Java/Kotlin Backend Lead Developer to design and build solutions based on business requirements, coach and help the team, deploy pipelines with Azure DevOps, work on REST APIs, database access, and more. The ideal candidate should have a Bachelor's degree in Computer Science, 4-6 years of experience in Java Backend development, familiarity with micro-services/cloud architecture, and experience with various technologies including Java, Kotlin, Spring Boot, and Docker.
2 Days Ago
London, UK
Remote
248 Employees
1-3 Years of Experience
248 Employees
1-3 Years of Experience
Artificial Intelligence • Software
Lead the development of dynamic tracing for JavaScript applications, contribute to backend services optimization, resolve performance issues, engage in code design, collaborate with clients, mentor developers, and promote best software development practices.
3 Days Ago
London, UK
Remote
6,766 Employees
7+ Years of Experience
6,766 Employees
7+ Years of Experience
Software
Senior Software Engineer role at HubSpot focusing on building tools and components to drive product adoption and enhance user experience. Responsibilities include writing production code, collaborating with cross-functional teams, and implementing user experiments. Strong frontend development and user-centric mindset are key qualifications.
14 Hours Ago
London, UK
Remote
6,766 Employees
1-3 Years of Experience
6,766 Employees
1-3 Years of Experience
Software
Join HubSpot as a Staff Software Engineer on the Forms Frontend team within Marketing Hub. Help build the future of the Forms product, write and ship production code, collaborate with cross-functional teams, and contribute to product innovation. Experience with React and TypeScript is preferred. Passion for clean code, product development, and mentoring is essential.
23 Days Ago
London, UK
65 Employees
5-7 Years of Experience
65 Employees
5-7 Years of Experience
Artificial Intelligence • Software • Automation
Enhance and scale the backend systems powering the Mimica platform, design and implement scalable architecture, develop and optimize backend services and APIs, improve performance and reliability, take operational responsibility for built components, shape technical direction, processes and culture.
21 Hours Ago
London, UK
45,929 Employees
5-7 Years of Experience
45,929 Employees
5-7 Years of Experience
AdTech • Marketing Tech
Lead Full-Stack Sitecore Developer spearheading website designs and build projects, guiding a team of developers, designing backend services, integrating backend services with frontend, and maintaining high coding standards.
44 Employees
1-3 Years of Experience
Gaming • Software
Design, develop, implement, and debug a high performance, reliable, and highly scalable backend infrastructure. Collaborate with other developers to integrate online backend features and work with industry-standard engines like Unity and UE5. Identify technical risks and provide feedback on task timeframes.
4 Days Ago
London, UK
8 Employees
3-5 Years of Experience
8 Employees
3-5 Years of Experience
Other
Backend engineer role at SmartRecruiters working on SmartPal, an advanced conversational AI for the recruiting industry. Responsibilities include full product lifecycle participation, designing and developing services, building APIs, and bringing product ideas to life. Must have experience with Python, AWS, Docker, Kubernetes, MongoDB, and RESTful APIs.
13 Days Ago
London, UK
Remote
145 Employees
3-5 Years of Experience
145 Employees
3-5 Years of Experience
Blockchain • Consulting
Experienced QA Engineer - backend needed to join MultiversX team. Responsibilities include testing MultiversX services, triaging test failures, collaborating with development teams, and ensuring product quality and security. Required skills include testing theory, modern languages, backend solutions, open-source test frameworks, load testing tools, Linux, GitHub, and blockchain technology. Experience with build automation tools and problem-solving skills are also desired. Competitive salary and flexible working hours offered.
13 Days Ago
London, UK
123 Employees
5-7 Years of Experience
123 Employees
5-7 Years of Experience
Information Technology • Software
Zaizi is seeking a Software Developer to develop software to meet user needs, follow best-practice guidelines, write clean and secure code, coach junior colleagues, and operate services. Must have Java and AWS experience, attention to detail, and excellent communication skills. Nice to have DevOps, web technologies, secure coding knowledge, Terraform, AWS Lambda, and database experience. SC Clearance required for UK projects. Salary: £40,000 - £65,000, along with various benefits and training opportunities.
2 Days Ago
London, UK
Hybrid
56 Employees
1-3 Years of Experience
56 Employees
1-3 Years of Experience
Artificial Intelligence • Information Technology
Join Emitwise as a Software Engineer to work on delivering new versions of their core product, contributing to creating unique user flows, expanding company data database, and more. The role requires expertise in React for front end and general purpose programming language for backend development.
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