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Top Full Stack Developer Jobs in London

393+ Job Results
9 Days Ago
London, UK
Remote
900 Employees
7+ Years of Experience
900 Employees
7+ Years of Experience
Blockchain • Software • Web3
Senior Backend Software Engineer role working on growing a multi-chain EVM Datalake for Metamask. Responsibilities include extracting and indexing on-chain data, design and leading complex feature areas autonomously.
Top Benefits:
401-K
Company Equity
Company Outings
+26 More
4 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 Senior Full Stack Engineer specializing in Node.js and React at Yassir, you will be responsible for designing and developing web applications, collaborating with teams to ship new features, ensuring application performance and quality, and participating in complex problem-solving. The role requires at least 3 years of experience in Node.js and React, familiarity with RESTful APIs, database experience, and knowledge of version control and modern tools.
12 Days Ago
London, UK
254 Employees
7+ Years of Experience
254 Employees
7+ Years of Experience
Healthtech • Software
Accurx is looking for a Senior Full Stack Engineer to join their team and contribute to scaling and innovating their product. The role involves working closely with the Product Team, influencing technical product choices, and supporting the growth of junior engineers within the team.
6 Days Ago
London, UK
245 Employees
3-5 Years of Experience
245 Employees
3-5 Years of Experience
Financial Services
As a Mid Backend Engineer at Flagstone, you will work with a Microsoft stack including C# and Azure cloud services to contribute to the development process, design systems, and deliver high-quality products in an Agile environment. Key responsibilities include collaborating with teams, designing RESTful APIs, utilizing Azure services, and ensuring code quality through testing methodologies. The role requires strong communication skills, emotional intelligence, and proactive problem-solving abilities.
5 Days Ago
London, UK
7+ Years of Experience
7+ Years of Experience
Artificial Intelligence • Healthtech • Information Technology • Other • Analytics
Experienced Software Engineer III needed to work on the development of the Researchfish platform. Responsibilities include developing front-ends in react.js, consuming APIs, collaborating with UX team, writing clean code, participating in code reviews, and guiding technical direction within the team.
Top Benefits:
401-K
Dental Insurance
Health Insurance
+3 More
8 Days Ago
London, UK
911 Employees
911 Employees
Blockchain • Fintech • Financial Services • Cryptocurrency • Web3
Revolutionizing cryptocurrency interactions, seeking Junior to Senior Back-End Engineers to work on exciting projects in a fast-paced environment. Responsibilities include building scalable services, optimizing systems, ensuring security, and collaborating with interdisciplinary teams. Requirements include proficiency in JVM-based languages, experience in building distributed backend systems, and a passion for crypto. Compensation includes full-time salary based on experience.
3 Days Ago
London, UK
1,168 Employees
7+ Years of Experience
1,168 Employees
7+ Years of Experience
Big Data • Cloud • Software • Database
Senior Software Engineer role in the Developer Productivity team at Fivetran, responsible for automations and internal tools to enhance productivity and efficiency. Collaborate with teams to identify areas for automation, develop custom tools, and provide technical support. Full-time position in Serbia office, involving technologies like TypeScript, React, Java, and GCP.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+54 More
7 Days Ago
London, UK
Remote
15 Employees
5-7 Years of Experience
15 Employees
5-7 Years of Experience
Artificial Intelligence • Insurance
Kalepa is hiring a Senior Full Stack Engineer to join their team. The engineer will work on a client facing application written in React and Redux, as well as backend services created in Python and pSQL. They will collaborate with a global team of engineers and bring a minimum of 5 years of relevant software engineering experience.
2 Days Ago
London, UK
Remote
2,135 Employees
5-7 Years of Experience
2,135 Employees
5-7 Years of Experience
Information Technology • Consulting
Work on a cross-platform desktop product in a fast-paced software engineering environment, focusing on C++ and QML development. Responsibilities include implementing new features, code review, refactoring, and providing effort estimations.
8 Days Ago
London, UK
Hybrid
724 Employees
7+ Years of Experience
724 Employees
7+ Years of Experience
Energy
Join our team as a Senior Backend Developer working on Core APIs at Octopus Energy. Help shape a more sustainable future in the energy industry by developing cutting-edge tools and frameworks. Tackle challenging technical problems and collaborate with a global engineering team. Python, Django, GraphQL, and API security are key components of this role.
8 Days Ago
London, UK
880 Employees
3-5 Years of Experience
880 Employees
3-5 Years of Experience
Cloud • Software
Seeking a Software Engineer passionate about open source software, Linux, and web services at scale. Responsibilities include writing scalable service APIs, developing observability and remote logging capabilities, collaborating with global teams, and enhancing IoT offerings.
Top Benefits:
401-K
Dental Insurance
Health Insurance
+3 More
9 Days Ago
London, UK
Remote
2,030 Employees
7+ Years of Experience
2,030 Employees
7+ Years of Experience
Financial Services
Senior Backend Engineer role at a fintech company focused on creating equitable environments and embracing diversity. Responsibilities include collaborating with cross-functional teams, writing application code in Go, and working with tools like Cassandra, Kafka, and Kubernetes.
7 Days Ago
London, UK
Hybrid
53 Employees
5-7 Years of Experience
53 Employees
5-7 Years of Experience
Information Technology
Lead work on complex and challenging projects to drive transformative change for top-tier Financial Services clients. Develop software in front-end frameworks with a focus on design and building the next generation of technology.
7 Days Ago
London, UK
287 Employees
3-5 Years of Experience
287 Employees
3-5 Years of Experience
Beauty • Software
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.
9 Days Ago
London, UK
Remote
3,700 Employees
1-3 Years of Experience
3,700 Employees
1-3 Years of Experience
Cloud • Fintech • Cryptocurrency • NFT • Web3
Aspiring backend engineers are sought by Coinbase to build the next generation of crypto-forward products and features. The role involves solving complex technical problems, working on web-scale applications and blockchain technology, and making cryptocurrency accessible to a global audience through real-time applications and secure infrastructure.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+38 More
19 Days Ago
London, UK
Remote
1,029 Employees
1-3 Years of Experience
1,029 Employees
1-3 Years of Experience
Marketing Tech
The Web Developer at Marigold is responsible for delivering customer-focused projects, troubleshooting issues, and translating business use-cases into technical data requirements. They must have experience in SQL, HTML, CSS, JavaScript, and more, and collaborate with local and remote teams. English fluency is required with Dutch as a nice-to-have.
10 Days Ago
London, UK
349 Employees
5-7 Years of Experience
349 Employees
5-7 Years of Experience
eCommerce
Looking for a Senior Software Engineer to build a new line of payments products with a focus on payments optimization and deep understanding of web payments infrastructure. Responsibilities include developing new products, mentoring software engineers, and working with diverse technologies. Must have 5 years of diverse software development experience and expertise in back-end development, Javascript, and high-scale systems.
Top Benefits:
401-K
Company Outings
Dental Insurance
+14 More
8 Days Ago
London, UK
Remote
1,004 Employees
7+ Years of Experience
1,004 Employees
7+ Years of Experience
HR Tech
Senior Backend Engineer role at Remote focused on building tools, APIs, and integrations for one of their products. Responsibilities include leading team projects, product work, code reviews, and contributing to the shared codebase. Must have experience with Elixir, Postgres, and CI/CD tools.
9 Days Ago
London, UK
1-3 Years of Experience
1-3 Years of Experience
eCommerce • Retail
Join dunnhumby as an Associate Software Engineer and work on building the world's first omnichannel retail media portal. Collaborate with a talented team on a tech stack including React/JS, .NET/C#, and Google Cloud. Enjoy a comprehensive rewards package and personal flexibility with thoughtful perks like flexible working hours.
6 Days Ago
London, UK
660 Employees
3-5 Years of Experience
660 Employees
3-5 Years of Experience
Blockchain • Fintech • Cryptocurrency
Software Engineer role at Nifty Gateway, a department of Gemini, focusing on building NFTs and working with artists and creative minds. Responsibilities include maintaining core systems, developing new features, troubleshooting technical issues, and collaborating with team members. Ideal candidate has 4+ years of experience as a Full Stack software engineer and a customer-focused mindset.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+30 More
7 Days Ago
London, UK
Remote
6,766 Employees
7+ Years of Experience
6,766 Employees
7+ Years of Experience
Software
As a Senior Backend Engineer at HubSpot, you will write and ship production code with meaningful impact, build new features, collaborate with cross-functional teams, and contribute to company growth. This role requires backend development experience with a focus on users and technical challenges.
7 Days Ago
London, UK
287 Employees
3-5 Years of Experience
287 Employees
3-5 Years of Experience
Beauty • Software
Seeking a Full Stack Engineer proficient in React, NextJS, GraphQL, gRPC, and more to design and develop APIs for a marketplace platform for beauty & wellness. The role involves implementing new functionality, maintaining APIs, identifying bugs, and contributing to a collaborative engineering culture.
2 Days Ago
London, UK
1,000 Employees
3-5 Years of Experience
1,000 Employees
3-5 Years of Experience
Artificial Intelligence • Big Data • Machine Learning • Software • Analytics
As a Software Engineer at Dataiku, you will work on improving scalability, latency, and security of their platform. You will support new cloud services, databases capabilities, and deploy machine learning models at scale. The technical stack includes Java, JavaScript, and Python.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+43 More
78 Employees
5-7 Years of Experience
eCommerce • Consulting
Freelance Senior Software Engineer with full-stack TypeScript experience needed for a 6-month project at Red Badger. Responsibilities include providing engineering expertise in a cross-functional team, using modern development practices, and coaching peers.
9 Days Ago
London, UK
5,360 Employees
1-3 Years of Experience
5,360 Employees
1-3 Years of Experience
Payments • Software
Backend / API Engineer responsible for designing, building, and operating APIs and services within the Funding team at Stripe. Collaborate with cross-functional partners to support users and ship high-quality products. Lead technical projects, align technical decisions with strategic initiatives, and mentor team members.
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