Top Backend Developer Jobs in London

As a Senior Full-Stack Engineer at Sentium, you will participate in the development and scaling of SaaS products, focusing on designing and implementing event-driven backend systems and modern React-based user interfaces.

Develop websites and applications, work with data, internationalization, localization, cloud services, AI, and personalization. Partner with leaders, manage APIs, explore new technologies, lead projects, set high standards, and focus on quality. Communication with non-technical stakeholders, project management, server-side development, Git experience, front-end frameworks familiarity, attention to detail, and passion for best practices.

Maintain website and CMS, lead development of internal dashboard, interface with engineering teams. Experience in NextJS, Typescript, Tailwind, Strapi required. Bonus points for Monorepo experience, database migrations, crypto experience, and interest in deployment pipelines.

Join Doccla, a virtual ward company, as a Senior Software Engineer to build virtual healthcare platforms and services. Work on scaling existing solutions, designing microservices in Elixir, web frontends in Elm, and ensuring CI/CD processes. Make a difference in remote patient monitoring and healthcare outcomes.

Houseful is looking for a Full Stack Engineer to work on creating a high-performance website and other services at Zoopla. The ideal candidate should be experienced in frontend technologies like React and TypeScript, backend technologies like Node.js and GraphQL, and should have a willingness to work across various layers of the stack. Collaboration, commercial drive, and passion for building user-centric products are key qualities sought in this role.

Depop is seeking a Senior Backend Software Engineer to manage multiple services at the core of Depop's architecture. Responsibilities include collaborating with cross-functional teams, producing high-quality code, supporting applications, and contributing to continuous improvement initiatives.

Senior Back End Engineer role at Flagstone, focusing on revolutionizing the savings market by delivering high-quality systems using C#, .Net, Azure, and SQL. Responsibilities include working on Agile software teams, improving software engineering processes, and coaching junior resources.

Join a fully remote team at Remote working on building features, tools, APIs, and integrations with Elixir and Postgres. Competitive salary, stock options, and perks offered with freedom to organize work and life. Opportunity to impact and innovate in a supportive work environment.

Participate in full development life cycle, including design, implementation, quality polish, and release. Develop and optimize high performance data aggregation and analysis pipelines at scale. Required knowledge of Ruby on Rails (or Python and willing to learn Ruby on Rails). Nice to have experience with Clickhouse, MongoDB, Sidekiq, TypeScript, React.js, ES6.

Join Roxor Gaming as a Java Developer focusing on Third Party Integrations (TPI) to expand and enhance the Remote Gaming Platform (RGP). Collaborate with agile teams, integrate third-party games, identify efficiencies, and champion continuous improvement.

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.

Join our team as a Senior Backend Developer at Kraken, a technology company focused on creating a smart, sustainable energy system. Solve complex design and technical challenges in the UK utilities market using Python, Django, and other technologies. Work on domain modelling, processing large amounts of data, and contributing to a greener future.

As a Senior Software Engineer I at Pax8, you will lead the development of cutting-edge software, focusing on backend development and enhancing the Opportunity Explorer feature within the Pax8 Platform. Your role involves technical leadership, collaborating with teams, and mentoring fellow engineers to drive innovative solutions.

Seeking a Senior Full Stack Engineer to work on Dashboard UX and UI features, implement functionality, and contribute to feature enhancements and bug fixes in a global Core Experience group.

Principal Full Stack Engineer at Modus, responsible for supporting new feature development and improving existing features. Must have strong experience with large projects and be passionate about the latest industry trends. Required to create high-quality code from home and ship code daily. Must have overlap with EST hours and reliable high-speed internet. Will work on various projects as part of a remote-first company, including open source contributions, teaching and learning opportunities, client interactions, and access to learning benefits.

As a Full Stack Developer for the direct to consumer Platform Team, you'll design and develop innovative features for the e-commerce website, collaborate with a team, enhance the platform, and push the boundaries of web technology.

Seeking a Senior Mendix Developer with 4+ years of experience to lead the development of a cutting-edge application for a Fortune 500 company. Responsibilities include design, development, deployment using Mendix and React, collaboration with cross-functional teams, and ensuring alignment with business goals.