Top Backend Developer Jobs in London

CoW DAO seeks a Senior Backend Engineer to build decentralized trading protocols, focusing on backend services in Rust and contributing to the evolution of blockchain applications.

Responsible for building scalable distributed systems, mentoring teammates, innovating on technical solutions, and improving team processes. Requires expertise in backend languages, especially Golang and Typescript.

Design and develop scalable server-side components, integrate APIs, automate workflows, and collaborate with teams on financial solutions.

The Backend Developer will manage and evolve microservices, implement features, maintain database scripts, debug issues, and ensure service reliability in a cloud-native environment.

Develop and maintain Apache Spark applications and RESTful APIs, deploy applications in cloud-native environments, and support production systems.

The Senior Backend Engineer will develop features, improve code quality, mentor others, and manage the development lifecycle while focusing on customer priorities and technical decisions.

Design and develop cloud services using JVM technologies, focusing on high availability and scalability while implementing automated delivery with CI/CD pipelines.

The Senior Software Engineer will develop backend services, improve back-office systems, tackle market-specific challenges, and maintain high coding standards.

The Software Engineer (Python) role involves developing and maintaining an AI platform, building scalable APIs, and collaborating with cross-functional teams to enhance AI workflows for financial firms.

As a Software Engineer, you'll design and build backend systems, develop APIs and microservices, and ensure system reliability while collaborating with cross-functional teams.

As a Senior Backend Engineer, you'll design and maintain core libraries for blockchain transactions, enforce security boundaries, and contribute to best practices in a post-quantum environment.

As a Backend Engineer, you will design and maintain scalable backend systems, focusing on performance and reliability, primarily using Rust or C++. You will work with distributed systems and various databases while contributing directly to production infrastructure.

The Senior Backend Engineer will design and build scalable systems, mentor junior engineers, identify process efficiencies, and communicate technical challenges effectively.

You will design and build APIs to simplify travel systems, ensuring high code quality and excellent developer experiences.

As a Senior Backend Engineer at Contentful, you will develop AI integrations and platform features to enhance the internal AI ecosystem while collaborating with cross-functional teams to innovate AI-driven solutions.

As the first engineering hire, you will design Mubit's core infrastructure, focusing on high-performance systems for memory retrieval and shared state management while collaborating with the founding team.

As a Senior Backend Engineer, you will design and build scalable Java services, optimize data pipelines, and improve backend systems while collaborating with cross-functional teams at Spotify.

As a Backend Staff Engineer, you will lead technical standards, mentor junior engineers, conduct code reviews, and drive feature development in a fast-growing on-demand services environment.

The role involves developing digital solutions, leading teams in Agile and DevOps environments, and mentoring while ensuring high-quality Java-based systems development and testing.

The role involves developing and improving SaaS platform features, mentoring team members, and participating in on-call rotations for customer support, all while working remotely.

Design, build, test, and maintain backend services and APIs for the casino platform. Ensure reliability, scalability, and code quality; participate in reviews, shape architecture, collaborate with product and vendors, and ship continuously in a fast-paced environment.

The Senior Backend Engineer will enhance back-end development with Python/Django, implement new features, and improve architecture while collaborating with an Agile team.

As a Backend Software Engineer, you'll design scalable backend systems, optimize database performance, and collaborate with front-end and DevOps teams.

Lead and mentor engineering teams, design and build Python microservices, ensure system resilience and scalability, and improve CI/CD processes.

The Full-Stack Engineer will enhance backend functionality, collaborate with teams, and maintain platform performance and security, requiring expertise in Python.