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Top Software Engineer Jobs in London

2 Days Ago
London, UK
Hybrid
289,097 Employees
Mid level
289,097 Employees
Mid level
Financial Services
As a Software Engineer III in the Equity Derivatives Group at JPMorgan, you will collaborate with engineers, project managers, and traders to develop innovative software solutions for financial systems. You'll engage in the full software lifecycle within an Agile environment, aiming to enhance business processes and support high-quality software development.
4,500 Employees
Mid level
Aerospace • Artificial Intelligence • Hardware • Robotics • Security • Software • Defense
As a Mission Software Engineer, you will address technical challenges by integrating and optimizing Anduril's software systems for military applications. You will design and implement solutions for data processing, API development, and system integration while ensuring the seamless operation of Anduril products under real-world conditions.
5 Hours Ago
London, UK
3,900 Employees
Junior
3,900 Employees
Junior
Cloud • Information Technology • Security • Software • Cybersecurity
As a Software Engineer on the Workers Onboarding & Integrations team, you will collaborate with various stakeholders to design, build, and support large-scale customer-facing systems. You'll drive projects from inception to release, working across all layers of the software stack while using multiple technologies and programming languages.
2 Days Ago
London, UK
Hybrid
289,097 Employees
Entry level
289,097 Employees
Entry level
Financial Services
As a Software Engineer II at JPMorgan Chase, you will engage in software design, development, and troubleshooting as part of an agile team, enhancing and delivering secure and scalable software solutions while contributing to a culture of diversity and inclusion.
2 Days Ago
London, UK
4,500 Employees
Senior level
4,500 Employees
Senior level
Aerospace • Artificial Intelligence • Hardware • Robotics • Security • Software • Defense
The Senior Mission Software Engineer on the Maneuver Dominance team will develop software solutions for autonomous systems, collaborating across teams to address complex functionality. Responsibilities include coding, debugging, testing, and enhancing product capabilities while maintaining user needs and engineering constraints. Travel up to 20% may be required.
3,900 Employees
Mid level
Cloud • Information Technology • Security • Software • Cybersecurity
As a Software Engineer in the Zero Trust team, you will develop the Zero Trust desktop client, focusing on high-performance networking solutions while ensuring code quality through robust testing and documentation. You will engage with various programming languages and collaborate closely to design impactful features that meet strict security and performance standards.
2 Hours Ago
London, UK
3,900 Employees
Junior
3,900 Employees
Junior
Cloud • Information Technology • Security • Software • Cybersecurity
As a Distributed Systems Engineer at Cloudflare, you'll develop and operate software for massive scale applications serving millions of users. Responsibilities include optimizing performance, debugging systems, and designing APIs to improve internet properties globally.
2 Hours Ago
London, UK
3,900 Employees
Mid level
3,900 Employees
Mid level
Cloud • Information Technology • Security • Software • Cybersecurity
As a Distributed Systems Engineer at Cloudflare, you will build and optimize software systems that enhance Internet performance and security. Your role involves developing reliable, high-performance distributed systems and tackling challenges that impact millions of users globally. You will work closely with various teams, applying your programming skills in Go and Rust to create scalable, efficient solutions.
5 Hours Ago
London, UK
Hybrid
1,810 Employees
Mid level
1,810 Employees
Mid level
Cloud • Fintech • Information Technology • Machine Learning • Software • App development • Generative AI
As a Back-End Software Engineer, you will design, develop, and maintain cloud-based applications, focusing on backend platforms, RESTful APIs, and microservices. You’ll collaborate with teams to drive technical decisions, mentor junior engineers, and maintain high standards of code quality while innovating with new tools and technologies.
3,900 Employees
Mid level
Cloud • Information Technology • Security • Software • Cybersecurity
As a Software Engineer on the Zero Trust team, you will develop a desktop client that secures corporate devices by sending traffic to Cloudflare's network. You'll work with Rust and other low-level languages to improve code quality and document work, while solving complex networking and security challenges across multiple platforms.
2 Days Ago
London, UK
600 Employees
Senior level
600 Employees
Senior level
eCommerce • Mobile
As a Senior Software Engineer in Ads, you'll be responsible for building scalable ad systems and products, working across the full ads stack, and ensuring high-quality features that help sellers grow their businesses. You'll need to prioritize user needs and deliver impactful features swiftly while taking ownership of various engineering challenges.
4 Days Ago
London, UK
Remote
4,700 Employees
Junior
4,700 Employees
Junior
Cloud • Fintech • Information Technology • Machine Learning • Software
As an Intermediate Software Engineer at Xero, you will develop software applications, contribute to technical designs, conduct automated testing, resolve development issues, and maintain engineering standards. You'll work collaboratively in a cross-functional environment to implement software solutions for customer problems and ensure robust delivery processes.
13 Hours Ago
London, UK
Hybrid
744 Employees
Mid level
744 Employees
Mid level
Enterprise Web • Marketing Tech • Software
As a Full Stack Software Engineer at Contentful, you will design and maintain scalable features, collaborate with product teams, enhance platform insights, and improve customer experience through data-driven development and continuous improvement. You will work with APIs, cloud platforms, and implement best coding practices.
3 Days Ago
London, UK
1,900 Employees
Entry level
1,900 Employees
Entry level
Information Technology • Software • Financial Services
As a Software Engineer at Citadel Securities, you will create technological tools, develop high-performance platforms for large data research, and work collaboratively in small teams to build innovative solutions for trading strategies.
2 Days Ago
London, UK
Hybrid
289,097 Employees
Mid level
289,097 Employees
Mid level
Financial Services
The role involves collaborating with data scientists and engineers to develop and maintain data pipelines and scalable infrastructure for AI products. You'll be responsible for automating CI/CD processes, improving deployment velocity, and contributing to architectural discussions.
2 Days Ago
London, UK
Remote
1,200 Employees
Mid level
1,200 Employees
Mid level
Big Data • Cloud • Software • Database
As a Software Engineer II in the Observability team, you will build and maintain features for our data pipeline service, ensuring reliable operation while focusing on software architecture improvements. Your responsibilities include writing Java code, creating data connectors, enhancing product features, and participating in team duties.
2 Days Ago
London, UK
4,500 Employees
Mid level
4,500 Employees
Mid level
Aerospace • Artificial Intelligence • Hardware • Robotics • Security • Software • Defense
As a Mission Software Engineer on the Maneuver Dominance team, you'll develop operationally relevant multi-asset autonomy, creating robust algorithms in robotics for effective collaboration among autonomous systems. Responsibilities include coding, troubleshooting issues, collaborating with teams, and ensuring seamless integration of Anduril products in real-world applications.
3 Days Ago
London, UK
Hybrid
289,097 Employees
Entry level
289,097 Employees
Entry level
Financial Services
As a Software Engineer II at JPMorgan Chase, you will be responsible for designing, implementing, and developing scalable microservices using best practices. You will write secure code, automate tests, troubleshoot deployments, and collaborate with other engineering teams. Knowledge of software development life cycle tools is essential.
2 Days Ago
London, UK
Hybrid
289,097 Employees
Senior level
289,097 Employees
Senior level
Financial Services
As a Software Engineer III, you will be responsible for designing and delivering technology solutions, developing high-quality code, and supporting various technical areas aligned with business objectives. You will also analyze data for continuous improvement of applications and actively contribute to team culture.
2 Days Ago
London, UK
Hybrid
289,097 Employees
Mid level
289,097 Employees
Mid level
Financial Services
As a Software Engineer III at JPMorgan Chase, you will design, implement, and develop scalable microservices for the Global Banking Platform. Your role includes writing high-quality code, automated tests, and managing deployments. You'll interface with engineering teams, contribute to best practices, and add to a culture of inclusivity while ensuring the system architecture is robust and secure.
2 Days Ago
London, UK
Hybrid
289,097 Employees
Mid level
289,097 Employees
Mid level
Financial Services
The Software Engineer III role at JPMorgan Chase involves designing and developing scalable microservices, writing secure code, managing deployments, and improving coding hygiene. The position emphasizes collaboration with other teams and contribute to engineering practices, all while supporting the transition to cloud-based services within the Global Banking Platform.
2 Days Ago
London, UK
Hybrid
289,097 Employees
Mid level
289,097 Employees
Mid level
Financial Services
As a Software Engineer II at JPMorgan Chase, you will design, implement, and develop scalable microservices and apply software engineering best practices. You'll write automated tests, troubleshoot deployments, and collaborate with engineering teams to enhance and deliver technology products.
289,097 Employees
Mid level
Financial Services
As a Front-end Developer for the Salt Design System, you will develop React components, collaborate with designers, and ensure the delivery of high-quality user interfaces. You will maintain coding standards, conduct code reviews, and contribute to team culture, while staying updated with the latest front-end technologies.
3,900 Employees
Mid level
Cloud • Information Technology • Security • Software • Cybersecurity
As a Software Engineer on the Zero Trust team, you will develop and enhance the desktop client for secure device traffic management. You will write high-performance networking code, improve code quality, and engage with multiple programming languages while collaborating with teams to implement impactful features in a demanding environment.
2 Days Ago
London, UK
Hybrid
289,097 Employees
Mid level
289,097 Employees
Mid level
Financial Services
As a .NET / React Software Engineer, you will collaborate with cross-functional teams to solve business challenges through software solutions. Your role includes developing applications using .NET Core and React, focusing on clean code and architecture principles, unit testing, and building microservices while following secure coding practices.
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