Top Backend Developer Jobs in London
Join as a Freelance Senior Software Engineer focusing on a lifestyle product app. Responsibilities include stabilization, refactoring, building new features, and leading a tech team. Hybrid work model in London with immediate interviews. Requires expertise in Elixir and Phoenix frameworks.
Seeking an experienced Staff Frontend Software Engineer to help set technical direction and develop a modern web UI application at Neptune, a platform aiming to become an MLOps standard for data scientists worldwide. Responsibilities include leading the development of scalable, portable, and flexible features, collaborating with other engineers, defining architecture, and driving technical initiatives. Required skills include JavaScript, TypeScript, and proficiency in React. Full-time remote work with office in Warsaw available.
The Software Development Engineer - Growth role at GoCardless focuses on driving Product-led Growth by working on business problems that impact company growth and revenue. They use a tech stack including React, TypeScript, JavaScript, Ruby on Rails, Postgres, BigQuery, and Google Cloud Platform to improve activation rates, convert payers into customers, and drive growth through partner integrations.
As a Senior Full Stack Developer at Konrad, you will work on web application development in JavaScript, collaborate with the software development team to deliver high-quality software, research new technologies, and communicate effectively with team members.
Senior Engineer on Growth Adoption Core team at HubSpot, responsible for writing and shipping production code, building new features, collaborating with cross-functional teams, and helping customers meet their goals.
Ebury, a hyper-growth FinTech firm, is looking for a Full Stack Engineer to join their Growth team. The role involves developing complex web applications using Python/Django, Node.js, React, and VueJS. The engineer will collaborate with cross-functional teams, take ownership of products, and stay updated on emerging technologies.
As a Software Engineer III at Walmart U.S., you will collaborate with frontend engineers to develop a seamless checkout experience. You will work on optimizing products on Cloud Infra, document software aspects, mentor team members, troubleshoot technical issues, and interact with various stakeholders. Required skills include Java, JavaScript, SQL, NOSQL, and expertise in agile software development.
As a Senior Software Engineer at Uswitch, you will be responsible for supporting and improving the team's delivery and technical expertise, collaborating with cross-functional disciplines, having autonomy over technical decisions, utilizing data-driven approaches, enhancing engineering culture, and sharing knowledge in a continuous learning environment. Responsibilities include feature development, defining team processes, developing domain models, maintaining the full stack, building CI/CD pipelines, and optimizing UX and performance across devices.
Seeking a Senior Software Engineer - React/ReactNative to deliver associate-centric people experiences within the People Technology and Services organization. Responsibilities include software development, troubleshooting, expertise application, business solution implementation, and compliance with company standards.
Collaborate with frontend engineers to develop a seamless checkout experience for self-checkout kiosks. Work on optimizing products on Cloud Infra, mentor team members, address technical issues, and develop strong working relationships with other employees. Requires BS or MS in Computer Science and 5+ years of industry experience.
Quantexa is looking for Mid to Senior level Frontend Engineers to build and shape the next generation of products that transform how organizations use data. Responsibilities include developing new investigation features, building data visualizations, and improving UX for fraud and financial crime cases. The role involves working with modern front-end tools and frameworks such as TypeScript, Angular, and ngrx.
Lead design and architecture of impactful open source projects. Code in Golang, Rust, Python, C/C++, or Typescript/React. Collaborate with a global team, mentor colleagues, and provide technical leadership. Debug issues, produce high-quality code, and contribute to technical documentation. Work remotely with occasional global travel for company events.
Ebury is a hyper-growth FinTech firm seeking a Principal Full Stack Engineer to join their Growth Team in London. The role involves developing complex web applications using Python/Django & Node.js. Candidates should have a strong entrepreneurial spirit, be proficient in communication, and stay updated with emerging technologies.
Design and develop full-stack components for Cleo's integration software products. Collaborate with the product development team, troubleshoot and resolve bugs, and contribute to CI/CD pipelines and training material. Mentor less experienced engineers and evaluate external technologies for product enhancement.
As a senior software engineer, you will help build and scale the systems and services that form the foundation of Alpaca and empower millions of users that are trading billions of dollars worth of assets. You will be responsible for building a modern clearing and settlements platform and contribute to architectural decisions for designing scalable and reliable systems.
This Lead Engineer role at Blenheim Chalcot's Fintech Engineering team requires an experienced software engineer to lead projects, manage a team, and champion innovation. The ideal candidate will have expertise in React.js, Next.js, Node.js, Python, DevOps, CI/CD, and more, with strong communication and collaborative skills.
As a Frontend Software Engineer at Checkout.com, you will collaborate with Product and Design teams to develop UI for products and services, ensuring an optimal experience for merchants. Responsibilities include designing, developing, testing, deploying, and maintaining software solutions. Essential skills include modern web application development, OOP concepts, RESTful design, and CI/CD workflows.
As a Senior Full Stack Engineer, you will play an active role in an Agile software team, fostering best practice and automation to ensure software quality. You will work collaboratively on new features, software engineering processes, and software architecture.
Seeking a Senior Full Stack Software Engineer to join the Growth Engineering Team at DataCamp. Responsibilities include developing web applications, contributing to technical direction, and guiding users towards educational content. Required skills include TypeScript, ReactJS, GraphQL, and NodeJS.
Global payments are complex and ever-evolving. Software engineers at Checkout.com develop next-generation payment technologies for merchants to enhance acceptance rates, cut costs, fight fraud, and create exceptional customer experiences. This role involves working on critical projects, leading priorities, designing, developing, testing, deploying, and enhancing software solutions.
Seeking an exceptional Senior Full Stack Software Engineer to join the vibrant Growth Engineering Team at DataCamp. Responsible for developing cutting-edge web applications to enhance user experiences and guide learners towards educational content. Key contributor to the Growth platform's technical direction and product growth features. Requires 4+ years of web development experience with JavaScript, TypeScript, ReactJS, GraphQL, and NodeJS.
The Software Engineer at Epic Games will be responsible for backend development and improving the verification experience for parents and ensuring online safety for kids. They will work on cloud-based applications, databases, and queues containing sensitive data. The role also involves collaborating with other teams, scaling services, and contributing to cross-team projects.
As a Senior Software Engineer at Mastercard, you will be responsible for designing and developing state-of-the-art service-oriented software architectures and building high-value analytics off of large data sets. You will work on real-time interactive applications for clients worldwide, leveraging Mastercard data and other third-party data to empower clients to track performance and identify underperforming groups of customers.
Collaborate with frontend engineers to develop a seamless checkout experience for self-checkout kiosks. Work on optimizing products on Cloud Infra and mentoring development team members. Address technical issues, develop relationships with other team members, and have expertise in coding, database design, design patterns, agile software, and CI/CD. Strong soft skills and communication skills are required.
The Senior Software Engineer will provide software design, development, and application support for a clinical trial endpoint technology company's Trial Application Platform (TAP). They will work on new and existing feature development, write testable code, collaborate with cross-functional teams, and continuously improve code and product quality.
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