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Top Software Engineer Jobs in London

1,275+ Job Results
2 Days Ago
London, UK
1,000 Employees
Entry level
1,000 Employees
Entry level
Artificial Intelligence • Fintech • Other • Automation
As a Treasury Infrastructure Software Engineer, you will design, develop, and maintain treasury software solutions, collaborate with finance teams, optimize infrastructure, and ensure compliance and security of treasury systems.
2 Days Ago
London, UK
1,000 Employees
Senior level
1,000 Employees
Senior level
Artificial Intelligence • Fintech • Other • Automation
Senior Systems Software Engineer responsible for automating system engineering workflows, developing tools in Python, troubleshooting software bugs, and setting the direction for the Systems Python platform.
2 Days Ago
London, UK
Hybrid
6,000 Employees
Entry level
6,000 Employees
Entry level
Fintech • Mobile • Payments • Software • Financial Services
As a Software Engineer in the Treasury Safeguarding team, you will develop and improve scalable services ensuring the safety of customer funds. Your role involves collaborating with teams across Engineering and Analytics, implementing fault-tolerant solutions, and managing financial risks in compliance with regulations.
2 Days Ago
London, UK
Hybrid
289,097 Employees
Senior level
289,097 Employees
Senior level
Financial Services
As a Platform Engineer at JPMorgan Chase, you will maintain and enhance AWS cloud infrastructure, develop and manage CI/CD pipelines, and support application developers to optimize their software development lifecycle. You'll work in a collaborative environment, focusing on stability and performance while addressing queries from various business areas.
3 Days Ago
London, UK
502 Employees
Senior level
502 Employees
Senior level
Big Data • Cloud • Internet of Things • Productivity • Software • Business Intelligence • Infrastructure as a Service (IaaS)
The Senior Python Software Engineer will design and architect a file access and collaboration platform, develop backend API services, implement best practices for code standards, mentor junior engineers, and collaborate with cross-functional teams to enhance software functionality and user experience.
3 Days Ago
London, UK
3,900 Employees
Entry level
3,900 Employees
Entry level
Cloud • Information Technology • Security • Software • Cybersecurity
As a Distributed Systems Engineer at Cloudflare, you'll develop and maintain high-performance and secure distributed systems that operate on a massive scale across the globe, impacting services like TLS/HTTP proxies, DNS, and data pipelines.
3 Days 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'll build high-performance and secure distributed systems. Responsibilities include developing software that operates on a massive scale, optimizing services, debugging systems, and ensuring robust performance across various network applications.
3 Days Ago
London, UK
Hybrid
1,810 Employees
Senior level
1,810 Employees
Senior level
Cloud • Fintech • Information Technology • Machine Learning • Software • App development • Generative AI
As a Software Engineer, Back-End at BlackLine, you'll design, develop, and maintain scalable cloud-based applications while leading and mentoring other engineers. You'll collaborate with product management and other teams to translate requirements into technical solutions, ensuring high software quality and performance. You'll also evaluate new technologies and support the team’s coding practices.
3 Days Ago
London, UK
Hybrid
430 Employees
Mid level
430 Employees
Mid level
eCommerce • Information Technology • Marketing Tech • Software
The Software Engineer will implement software solutions for semi-complex problems, collaborate with cross-functional teams to address customer issues, maintain code quality through reviews, mentor junior engineers, and participate in debugging and optimization of the code. The role requires a focus on impact and customer-centric solutions.
3 Days Ago
London, UK
Hybrid
289,097 Employees
Senior level
289,097 Employees
Senior level
Financial Services
As a Lead Software Engineer, you will work within the Cloud Platform Engineering tribe at JPMorgan Chase, focusing on IAM technologies and public cloud (AWS). You'll collaborate across teams to uphold security standards, manage IAM technologies, implement industry standards, and communicate with various stakeholders, ensuring robust control frameworks are followed while working in a cutting-edge environment.
3 Days Ago
London, UK
Hybrid
289,097 Employees
Entry level
289,097 Employees
Entry level
Financial Services
Deliver end-to-end solutions using cloud-native microservice architecture applications and the latest technologies.
4 Days Ago
London, UK
1,000 Employees
Entry level
1,000 Employees
Entry level
Artificial Intelligence • Cloud • Information Technology • Security • Software • Cybersecurity • Data Privacy
As a Software Engineer at Snyk, you will build high-performance, reliable services while collaborating with cross-functional teams. Your role involves mastering technology, optimizing workflows, guiding teams, and tackling performance challenges to enhance application security.
6 Days Ago
London, UK
Remote
10,000 Employees
Entry level
10,000 Employees
Entry level
Cloud • Information Technology • Sales • Security • Cybersecurity
The role involves supporting UI engineers by improving developer productivity through tools, processes, and workflows, focusing on error handling, CI build processes, deployment, and documentation. You'll cultivate an inclusive culture while helping teams solve technical challenges and support self-sufficiency in their roles.
10 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 develop high-performance tools and platforms that support trading strategies and create resilient technology in a fast-paced environment. You will collaborate with small teams to build advanced analytics systems using innovative techniques.
11 Days Ago
London, UK
1,400 Employees
Mid level
1,400 Employees
Mid level
Aerospace • Artificial Intelligence • Hardware • Robotics • Security • Software • Defense
As a Mission Software Engineer on the Maneuver Dominance team at Anduril, you'll develop software solutions for autonomous systems, focusing on C++, Rust, and Python while ensuring effective integration for mission capabilities. You will analyze metrics, troubleshoot issues, and collaborate across teams, maintaining a customer-focused approach to deliver high-quality outcomes.
11 Days Ago
London, UK
1,400 Employees
Mid level
1,400 Employees
Mid level
Aerospace • Artificial Intelligence • Hardware • Robotics • Security • Software • Defense
As a Mission Software Engineer at Anduril Industries, you'll develop, integrate, and deploy software solutions that enhance military capabilities. Your role focuses on solving operational challenges through data processing, systems integration, and algorithm development while working closely with customers to address their needs.
11 Days Ago
London, UK
Hybrid
744 Employees
Entry level
744 Employees
Entry level
Enterprise Web • Marketing Tech • Software
As a Full Stack Software Engineer at Contentful, you will develop and maintain both frontend and backend features, work closely with cross-functional teams, solve technical problems, enhance customer satisfaction, and contribute to code reviews while emphasizing clean coding practices and scalability.
11 Days Ago
London, UK
Remote
10,000 Employees
Senior level
10,000 Employees
Senior level
Cloud • Information Technology • Sales • Security • Cybersecurity
As a Senior Backend Software Engineer at CrowdStrike, you will design and build scalable distributed systems, troubleshoot production issues, and collaborate with product managers and engineers on platform-level initiatives. You will utilize a variety of technologies to enhance a no-code security application development platform and implement solutions for critical production challenges.
11 Days Ago
London, UK
1,000 Employees
Junior
1,000 Employees
Junior
Artificial Intelligence • Cloud • Information Technology • Security • Software • Cybersecurity • Data Privacy
As a Software Engineer on the IDE team, you'll develop and support IDE plugins, enhance the developer experience, and contribute to security solutions for software development. You'll engage in collaborative coding, iterating on projects, and working closely with design and product teams to deliver high-quality features.
11 Days Ago
London, UK
Hybrid
3,900 Employees
Mid level
3,900 Employees
Mid level
Cloud • Information Technology • Security • Software • Cybersecurity
As a Distributed Systems Engineer, you will develop robust, secure, and high-performance distributed systems, working on code deployed globally. Your responsibilities include building applications for traffic filtering, content optimization, and operating high-scale services while ensuring system reliability and performance.
11 Days Ago
London, UK
Hybrid
3,900 Employees
Junior
3,900 Employees
Junior
Cloud • Information Technology • Security • Software • Cybersecurity
Join the Workers Onboarding & Integrations team to design, build, and support large-scale customer-facing systems for Cloudflare. You'll work collaboratively with a diverse team to drive projects from ideation to release, using modern languages and technologies to enhance user experience and system performance.
12 Days Ago
London, UK
Remote
10,000 Employees
Mid level
10,000 Employees
Mid level
Cloud • Information Technology • Sales • Security • Cybersecurity
The Software Engineer will design and maintain a semantic data framework, ensuring data interoperability while collaborating on data modeling and system architecture. Responsibilities include developing data services, owning features from design to delivery, and providing expertise in data modeling and distributed systems.
12 Days Ago
London, UK
4,000 Employees
Entry level
4,000 Employees
Entry level
Information Technology • Software • Financial Services • Big Data Analytics
As a Software Engineer at Citadel, you will develop high-performance technology tools to implement trading strategies, contribute to research platforms, and collaborate in small teams to innovate in the finance sector.
12 Days Ago
London, UK
4,000 Employees
Junior
4,000 Employees
Junior
Information Technology • Software • Financial Services • Big Data Analytics
Software Engineers at Citadel build systems for investment processes such as research, trading, and risk management. They collaborate with business leaders to create software solutions, receive mentorship, and develop technical and quantitative skills under the guidance of senior leadership.
12 Days Ago
London, UK
4,000 Employees
Senior level
4,000 Employees
Senior level
Information Technology • Software • Financial Services • Big Data Analytics
As a Software Engineer at Citadel, you'll design and build systems for investment processes, working closely with investors and quantitative researchers. Key responsibilities include software design and development, problem-solving, and collaboration in a dynamic environment.
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