Top Backend Developer Jobs in London
Seeking a Staff Backend Software Engineer to set technical direction and develop a distributed system at scale effectively in a company aiming to become an MLOps standard. Responsibilities include leading building larger strategic features, defining architecture, driving technical initiatives, and more. Requires 10+ years of experience in Software Development of distributed systems, proficiency in Java, knowledge of Kubernetes and containerization, and expertise in data storage technologies.
Senior Backend Software Engineer role at Grafana Cloud's Databases team, responsible for telemetry databases like Mimir, Loki, Tempo, and Pyroscope. The role involves designing, building, and maintaining critical systems, contributing to open-source projects, and collaborating with a remote-first global team.
Lead Engineer, Client Frontend at JPMorgan Chase's Platform Team in London. Responsible for creating web and mobile app experiences, developing demo suites, collaborating with teams, validating client requirements, and participating in software releases. Requires technical skills in front-end development, infrastructure, and CI/CD, with experience in mobile app development being a plus.
The Senior Back End Engineer will be responsible for implementing and thinking with the team about technical design of requested features, providing input on modifying existing logic, and estimating software changes. Key areas of focus include implementing data models, writing integrations with third party APIs, participating in technical design discussions, and providing pragmatic solutions. Required skills include 6+ years of web application backend development experience with Django, proficiency in backend development methodologies, building ETL pipelines, experience with Postgres and AWS, and excellent interpersonal skills in a startup environment.
Senior Backend Engineer role at Mimir focusing on maintaining and optimizing telemetry databases and working on large-scale metrics processing. Remote position with international team collaboration and emphasis on open-source contributions.
Lead Software Engineer role focusing on developing and maintaining React components for the Salt Design System, collaborating with designers and product managers, and contributing to frontend development processes. Experience in React, Typescript, JavaScript, HTML, CSS, and version control systems required.
We are looking for a Senior Backend Engineer to join our team and work on cutting-edge technology, including NLP, firmographic data, and entity resolution. You will be responsible for solving interesting problems at the intersection of large and performant data pipelines, distributed systems, machine learning models, and robust infrastructure. We value excellent development skills and offer competitive salary and significant equity options.
Looking for a Back End Developer with at least 3 years of experience, strong foundation in programming, expertise in Ruby on Rails (or Python), and familiarity with cloud environments and AWS. Must have experience in full development life cycle and optimizing data pipelines.
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Freelance Senior Software Engineer for a fintech company working on a full stack greenfield platform build primarily in Kotlin and Spring framework. Hybrid working model in London office. Responsible for providing engineering expertise, employing modern development practices, and adapting to new technologies.
Seeking an Engineering Manager to lead the Affinidi Elements team in developing features and improvements using Typescript & React. Responsibilities include analyzing complex data, collaborating with stakeholders, guiding the team in technical problem-solving, and mentoring engineers for career growth.
Seeking a Senior Developer (Backend) with 5+ years of experience in software development. Responsibilities include leading the development, testing, and debugging of production software systems, collaborating with cross-functional teams, and providing regular updates to stakeholders. Requires strong skills in MySQL, Postgres, Rest API, message queues, and debugging techniques.
Design, implement, and maintain complex designs/features written in Python and Rust. Help reinforce code quality standards, improve engineering processes, and mentor teammates. Collaborate with product and engineering teams to lead projects aligned with business goals. Champion the tech stack by implementing functionalities effectively.
Design, build, and maintain efficient, reusable, and reliable Ruby/Elixir code in a fast-paced environment. Work on switching from monolith to microservice architecture, focusing on domain-driven design. Collaborate with the team on different layers of the infrastructure at Fresha.
Participate in the full development life cycle, including design, implementation, quality testing, and release. Leverage strengths to work on full feature implementation, develop high-performance data analysis pipelines, optimize systems, and collaborate with the Product team to deliver innovative solutions.
Participate in the full development life cycle, develop and optimize high-performance data aggregation and analysis pipelines, work closely with the Product team to deliver innovative solutions, minimize errors and repetitive human effort with automation.
Senior Staff Backend Engineer at Monzo working in the Financial Crime team, responsible for technical leadership, architectural discussions, fostering a culture of quality, and mentoring other engineers.
Design and implement new games and supporting services in Java, participate in design and code reviews, support third parties developing games on the platform.
Staff Software Engineer needed to join the Forms Frontend team at HubSpot to build and innovate on the Forms product within Marketing Hub. Responsibilities include writing production code, collaborating with cross-functional teams, implementing experiments, and contributing to company growth. Seeking engineers with strong programming fundamentals and a passion for clean, scalable code and product innovation.
Develop highly-scalable mobile internet backends for millions of users using Java, Spring Boot, Spring Cloud, Docker, Kubernetes, MySQL, MongoDB, Redis, and RabbitMQ. Participate in code reviews, respond to support calls, mentor team members, and adhere to standard architecture patterns.
Develop highly-scalable mobile internet backends for millions of users. Work on core logic of complex systems. Utilize technologies like Spring Boot, Docker, Kubernetes, MySQL, MongoDB, Redis, and more. Participate in code reviews, support calls, and team ceremonies. Mentor team members and potentially take on-call responsibilities. Must have strong communication skills and ability to work independently.
We are looking for a Backend .Net Developer to build software using languages and technologies of the .NET framework. You will create applications from scratch, configure existing systems and provide user support.
Develop and take ownership of the service managing innovative products for large businesses at Octopus Energy. Work on various innovation projects and collaborate with commercial and data teams. Required skills include Python/Django, knowledge of Python ecosystem, ability to discuss vision and features within a team, writing robust software, Git proficiency, and familiarity with CI/CD.
The back-end developer at Gozem is responsible for managing data exchange between the server and users, developing server-side logic, maintaining the central database, ensuring high performance, and integrating front-end elements. Collaboration with global developers is key.
Develop highly-scalable mobile internet backends for millions of users, work on complex systems accessed by millions of users, participate in code reviews, mentoring, and team ceremonies, and respond to support calls for applications in production.
Senior Backend Engineer at OakNorth, responsible for designing and engineering large-scale systems, focusing on business impact, embracing DevOps culture, collaborating cross-functionally, and mentoring colleagues. Tech stack includes Python, PostgreSQL, TypeScript, React, Jest, Kubernetes, AWS, and GCP. Involves continuous improvement, understanding user needs, and continuous deployment practices.
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