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Top Software Engineer Jobs in London

1,269+ Job Results
3 Days Ago
London, UK
1,763 Employees
Mid level
1,763 Employees
Mid level
Security • Cybersecurity
As a Software Engineer in the Respond team, you will develop and improve cyber defense software using Python and Rust, prototype new ideas, enhance existing products, and explore unique methodologies to combat cyber threats. The role requires creativity and collaboration within a hybrid working environment.
9 Days Ago
London, UK
Remote
190 Employees
Senior level
190 Employees
Senior level
Artificial Intelligence • Enterprise Web • Software
As a Senior Software Engineer on the Content Lake DX team, you will design and develop scalable distributed systems, improve caching and query performance, mentor teammates, influence team processes, and respond to critical incidents. Your work will contribute to a better developer experience and open-source solutions.
9 Days Ago
London, UK
Remote
190 Employees
Senior level
190 Employees
Senior level
Artificial Intelligence • Enterprise Web • Software
As a Senior Software Engineer, you will work full-stack using React and Node.js to develop AI-assisted collaborative content creation tools. Your responsibilities include innovating with large language models, mastering prompt engineering, collaborating with design teams, and developing robust systems for LLM responses.
3 Days Ago
London, UK
Remote
578,950 Employees
Mid level
578,950 Employees
Mid level
Big Data • Cloud • Logistics • Machine Learning • Retail
As an Android Engineer III, you will develop and maintain Android applications, collaborate with product and design teams, participate in code reviews, diagnose bugs, and stay updated on Android trends to enhance user experience.
3 Days Ago
London, UK
Remote
578,950 Employees
Senior level
578,950 Employees
Senior level
Big Data • Cloud • Logistics • Machine Learning • Retail
The role involves working within the Global Finance sector on SAP ECC and S4 environments. Responsibilities include collaborating with stakeholders, designing and implementing solutions, driving projects, and utilizing agile methodologies to resolve incidents and improve financial processes.
3 Days Ago
London, UK
Remote
578,950 Employees
Expert/Leader
578,950 Employees
Expert/Leader
Big Data • Cloud • Logistics • Machine Learning • Retail
As a Distinguished Software Engineer for Workday, you will provide strategic guidance to engineering teams, drive innovation, and lead complex projects. Responsibilities include mentoring, implementing best practices in Workday's Core HR modules, facilitating system integration, and ensuring high-quality delivery of scalable solutions while staying updated on emerging tech trends.
3 Days Ago
London, UK
Remote
578,950 Employees
Senior level
578,950 Employees
Senior level
Big Data • Cloud • Logistics • Machine Learning • Retail
As a Senior Software Engineer at Walmart, you will develop and optimize systems for enterprise learning solutions, ensuring operational metrics align with SRE principles. Responsibilities include working with observability tools, designing resilient systems, and building infrastructure at scale. You will provide scalable applications, work with containerization, engage in CI/CD processes, and ensure system reliability.
3 Days Ago
London, UK
236 Employees
Mid level
236 Employees
Mid level
Fintech • Financial Services
The role involves developing trading software in C++ and Python, implementing trading strategies, connecting to exchanges, and designing trader interfaces. It requires collaboration with software engineers, traders, and quants within a global distributed system.
3 Days Ago
London, UK
Remote
185 Employees
Mid level
185 Employees
Mid level
Healthtech
The Frontend Developer will enhance i2 products by developing and maintaining efficient, reusable, and reliable frontend code using HTML5, CSS3, JavaScript, TypeScript, and React. Responsibilities include collaborating with cross-functional teams, ensuring UI/UX design feasibility, testing, and mentoring junior developers to promote knowledge sharing.
10 Days Ago
London, UK
Hybrid
200,000 Employees
Senior level
200,000 Employees
Senior level
AdTech • Digital Media • News + Entertainment
The Lead Software Engineer will oversee an engineering squad in the Identity Engineering organisation, focusing on technical decisions and roadmap influence. Responsibilities include leading software development of secure APIs and microservices in a cloud environment, promoting Agile methodologies, mentoring engineers, and collaborating with cross-functional teams.
10 Days Ago
London, UK
3,900 Employees
Expert/Leader
3,900 Employees
Expert/Leader
Cloud • Information Technology • Security • Software • Cybersecurity
The Senior Software Engineer in Durable Objects will work with a high-caliber engineering team to develop and enhance Cloudflare’s distributed coordination API. Responsibilities include ensuring reliability, implementing new features, and owning the code from inception to release, interacting with languages and technologies like JavaScript, Typescript, Rust, and C++.
10 Days Ago
London, UK
3,900 Employees
Senior level
3,900 Employees
Senior level
Cloud • Information Technology • Security • Software • Cybersecurity
As a Senior Software Engineer at Cloudflare, you will define and build future capabilities for D1, a serverless database, enabling developers to create full-stack applications. You will leverage your experience in building web applications, APIs, and knowledge of databases.
4 Days Ago
London, UK
Remote
4,900 Employees
Senior level
4,900 Employees
Senior level
Fintech • Payments
The Senior Java Software Engineer will design, develop, and maintain scalable microservices and event-driven architectures. Responsibilities include collaborating with teams, writing clean code, mentoring junior engineers, and ensuring smooth integration with external systems. The role requires ownership of the entire software lifecycle, continuous improvement, and keeping up with emerging technologies.
4 Days Ago
London, UK
Hybrid
2,000 Employees
Entry level
2,000 Employees
Entry level
Cloud • eCommerce • Fintech • Payments • Financial Services
As a software engineer, you'll develop next-gen payment technologies to enhance merchants' acceptance rates and cut processing costs. Collaborate with cross-functional teams, design scalable systems, and lead project priorities while ensuring high-quality code delivery.
4 Days Ago
London, UK
Hybrid
2,000 Employees
Senior level
2,000 Employees
Senior level
Cloud • eCommerce • Fintech • Payments • Financial Services
The Senior C# Software Engineer will work throughout the software development lifecycle, focusing on the design, development, testing, deployment, and monitoring of payment processing solutions within a modern AWS cloud environment. The role emphasizes collaboration with multidisciplinary teams, feature delivery, and adherence to coding standards and best practices.
4 Days Ago
London, UK
Remote
10 Employees
Mid level
10 Employees
Mid level
Artificial Intelligence • Big Data
The Full Stack Software Engineer will architect and build data-driven solutions using cloud technologies and programming languages like Java and Python. Responsibilities include collaborating with teams, managing scrum roles, and ensuring successful implementation in an Agile environment. Ideal candidates should also have experience with CI/CD and web services.
4 Days Ago
London, UK
Remote
220 Employees
Entry level
220 Employees
Entry level
Cloud • Security • Software
The Associate Software Engineer (DevOps) at Chainguard will be responsible for maintaining the Linux distribution and Chainguard container images, resolving issues related to package and image builds, creating patches for CVEs, and working with build tools and programming languages.
10 Days Ago
London, UK
Hybrid
200,000 Employees
Senior level
200,000 Employees
Senior level
AdTech • Digital Media • News + Entertainment
As a Lead Software Engineer, you will guide a team in designing and deploying microservices and lambdas in a cloud environment, while promoting Agile methodologies. You will mentor engineers, collaborate with various stakeholders, and help develop Consumer Identity and Access Management capabilities for Disney's diverse services.
10,000 Employees
Mid level
Cloud • Information Technology • Sales • Security • Cybersecurity
As a Sr. Software Engineer, SDET, you will enhance and develop testing frameworks for the Windows Sensor team, focusing on automation and integration tests, while collaborating with developers to improve the Detections Platform.
10 Days Ago
London, UK
471 Employees
Expert/Leader
471 Employees
Expert/Leader
Fintech • Software • Financial Services
Lead a team focused on enhancing security infrastructure and optimizing developer experience. Design and implement security solutions, fortify software supply chains, and collaborate with Infrastructure and Security teams. Advocate for developer-friendly security practices and promote security awareness among engineers.
3,222 Employees
Junior
Cloud • Security • Software • Generative AI
As a Software Engineer on the Application Experience QA team, you will enhance test frameworks and infrastructure for Kibana and Machine Learning features. You will automate testing processes, collaborate with other teams, and contribute to maturing test systems, ensuring high software quality and knowledge sharing.
4 Days Ago
London, UK
Remote
578,950 Employees
Mid level
578,950 Employees
Mid level
Big Data • Cloud • Logistics • Machine Learning • Retail
As an Android Engineer in the Walmart+ team, you will design, develop, and maintain mobile applications using technologies like Kotlin and Java. You will troubleshoot production issues, collaborate with cross-functional teams, enhance user interface solutions, and ensure project requirements are met while supporting company policies.
11 Days Ago
London, UK
Remote
2,800 Employees
Senior level
2,800 Employees
Senior level
Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
As a Staff Software Engineer at Samsara, you will lead technical design and architecture, pushing Samsara's technological capabilities forward. You will work on critical projects, driving technology choices and implementing services for scalable software that impacts industries reliant on physical operations.
11 Days Ago
London, UK
2,800 Employees
Senior level
2,800 Employees
Senior level
Artificial Intelligence • Cloud • Computer Vision • Hardware • Internet of Things • Software
As a Staff Engineer at Samsara, you will lead technical design and architecture efforts while developing software solutions that enhance their platform. You'll drive technology choices, collaborate with engineers to ensure scalable product delivery, and participate in strategic conversations affecting the engineering culture.
7 Days Ago
London, UK
Remote
578,950 Employees
Senior level
578,950 Employees
Senior level
Big Data • Cloud • Logistics • Machine Learning • Retail
Seeking a Senior Software Engineer to lead the design, development, and maintenance of software systems for Enterprise telemetry solutions. Responsibilities include collaborating with engineers and data scientists, integrating hardware, developing data processing algorithms, and ensuring software performance and security. The role involves optimizing telemetry products for Enterprise Device Management and Telemetry.
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