Top Full Stack Developer Jobs in London

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.

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.

As a Backend Staff Engineer at Yassir, you will drive technical standards, provide leadership, mentor junior developers, and contribute to scaling up Backend engineers. Responsibilities include designing, building, and maintaining features, managing dependencies, conducting design and code reviews, and participating in architecture discussions. The role also involves conducting technical interviews and improving engineering standards and processes. Must have at least 10 years of experience in backend engineering with NodeJS, strong programming fundamentals, excellent communication skills, and experience with Git and testable code.

Join Copper as a Software Engineer in the Exchanges team to build new back-end microservices and integrate with cryptocurrency exchanges. Contribute to the development of ClearLoop and Walled Garden products, enhancing security and efficiency in digital asset trading.

Plum is seeking a Senior Backend Engineer to design scalable systems using Python and related technologies. The role involves identifying system issues, contributing to product development, and working in a collaborative environment. The ideal candidate should have at least 6 years of experience and be proficient in software engineering best practices.

As a Full Stack JavaScript Developer at Konrad, you will be responsible for developing web applications using JavaScript, collaborating with the software development team, and ensuring high-quality software delivery. Ideal for ambitious developers with strong technical skills and a passion for innovation.

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.

As a Senior Software Engineer, Backend at HubSpot, you will write and ship production code with meaningful impact, collaborate with cross-functional teams, and contribute to company growth. The ideal candidate has backend development experience, focuses on user needs, and can solve technical problems with creative solutions.

Seeking a Senior Software Engineer to work on server-side microservice development and architectures using NodeJs, JavaScript, TypeScript, C#, Java, and various cloud technologies. Responsibilities include working on front-end web code, back end services, data stores, and infrastructure systems. The candidate must be experienced in Agile methodologies and possess skills in encryption schemes, modern APIs, and front-end frameworks.

Seeking an experienced Backend Software Engineer to join a high-performing team at Encord. You will have end-to-end ownership of projects, autonomy to make decisions, and collaborate with a lean and high-trust team. Responsible for developing and maintaining systems, driving impact for customers, and tackling complex domains with simple solutions.

Join Upwork as a Staff Backend Engineer to collaborate with engineering teams and product managers, design and optimize software systems, lead technical strategies, mentor engineers, and enhance system performance and scalability. This is a contract position with potential for renewal based on project needs and accomplishments towards deliverables.

Looking for a Lead .NET Full Stack Engineer to join a big-scale customer project in the shipping business. Responsibilities include designing and developing web applications, team-leading, and ensuring project deliverables are met on time. Required skills include .Net core, React.JS, MSSQL, Oracle, MySQL, IONIC, CMS, UI/UX, Cloud, Kubernetes, and more. Fluent English and strong communication skills are a must. Azure experience, accessibility knowledge, Umbraco CMS knowledge, and Angular JS familiarity are a plus. The job offers flexible working options, competitive salary, career growth opportunities, professional development tools, and various benefits.

Senior Fullstack Engineer at Infura working on scalable and easy-to-use APIs and cloud solutions for blockchain and decentralized application developers. Responsible for managing development tasks, minimizing technical debt, and crafting well-tested code. Remote first company with a focus on innovation and technology.

As a Full-Stack Software Engineer at Blueground, you will be responsible for architecting, designing, and building new services using a variety of technologies. You will participate in Agile ceremonies, code services and APIs, write unit tests, automate tasks, and collaborate with cross-functional teams.

As a Senior Full Stack Engineer at Alpaca, you will be responsible for designing and implementing web applications, working closely with cross-functional teams, delivering high-visibility features, and mentoring junior developers. You will have the opportunity to contribute to the technical strategy of the company and push the boundaries of technology.

The Senior Software Engineer II, Backend at HubSpot's Flywheel Product Team is responsible for writing and shipping production code with user and business impact. They collaborate with cross-functional teams and work on complex problems related to data management and user experiences.

Seeking a Senior Backend Engineer to lead the development and optimization of streaming technologies at SoundCloud, focusing on audio/video codecs, streaming protocols, and container technologies. Must have 10+ years of experience in software development, proficiency in Go, expertise in cloud platforms, and strong problem-solving skills.