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Top Python Jobs in London

849+ Job Results
1,000 Employees
Not Specified
Artificial Intelligence • Fintech • Other • Automation
Market Structure Optimization Engineer at Hudson River Trading responsible for employing data-driven methodologies to minimize friction in real-time interaction with financial markets. Analyzing network and exchange protocol captures, researching exchange features, automating metric collection, conducting experiments, improving fill rate, and reducing cancel-reject responses.
10 Days Ago
London, UK
1,000 Employees
Mid level
1,000 Employees
Mid level
Artificial Intelligence • Fintech • Other • Automation
Join Hudson River Trading as a Data Production Engineer to work with live trading teams, support automated trading systems, classify and reconcile data, analyze data sets, and provide technical support in a production trading environment.
10 Days Ago
London, UK
1,000 Employees
Senior level
1,000 Employees
Senior level
Artificial Intelligence • Fintech • Other • Automation
Seeking a Trading Systems Performance Engineer to optimize worldwide trading infrastructure, conduct performance testing, analyze network captures for low-latency performance, and enhance trading systems efficiency. Responsibilities include managing trading infrastructure, optimizing system components, and conducting technical projects. Required expertise in Linux systems, TCP/UDP protocols, and strong understanding of low-latency optimization. Desired experience with Python, FPGA, Microwave, and Wireless technologies. Must have 7+ years of experience in trading environment.
10 Days Ago
London, UK
1,100 Employees
Entry level
1,100 Employees
Entry level
Cloud • Software
The Site Reliability Engineer, Observability will design and implement monitoring strategies for the ThousandEyes platform, focusing on cloud-native tools and services. Responsibilities include enhancing visibility, maintaining alerting systems, and contributing to incident response. Strong coding skills in Python or Go and familiarity with observability concepts are essential.
10 Days Ago
London, UK
Remote
10,000 Employees
Senior level
10,000 Employees
Senior level
Cloud • Information Technology • Sales • Security • Cybersecurity
The Software Engineer III, SDET role involves validating the cloud-side software and endpoint agent code for the Detections Platform at CrowdStrike. Responsibilities include building validation pipelines, verifying features for reliability and performance, participating in code reviews, and improving automated testing processes using cutting-edge tools and frameworks.
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.
11 Days Ago
London, UK
Remote
2,780 Employees
Senior level
2,780 Employees
Senior level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
As a Software Engineering Manager, you will lead multiple engineering teams focusing on coaching, mentoring, and technical guidance. Your role includes developing personnel resources, managing training needs, and ensuring collaboration within teams to improve performance and quality of software solutions.
6,500 Employees
Senior level
Gaming • Information Technology • Mobile • Software
You will manage automation and policies for user accounts, support IAM systems, administer Active Directory and Microsoft Exchange environments, and maintain email hygiene solutions. The role requires troubleshooting, documentation, and participation in on-call support.
5 Days Ago
London, UK
133 Employees
Mid level
133 Employees
Mid level
Artificial Intelligence • Edtech
As a Senior Software Engineer at Constructor, you will design and develop APIs, create Kubernetes operators, conduct code reviews, and collaborate with the team to implement new features and architecture. Your role involves resolving performance bottlenecks and bugs while contributing to the overall development of the platform.
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.
13 Days Ago
London, UK
Remote
10,000 Employees
Senior level
10,000 Employees
Senior level
Cloud • Information Technology • Sales • Security • Cybersecurity
The Senior Infrastructure Engineer will lead internal automation efforts, managing the Infrastructure Lifecycle, and developing infrastructure services to support CrowdStrike's DevOps model. Key tasks involve using Infrastructure as Code, testing and building Terraform modules, and rewriting services in Golang.
7 Days Ago
London, UK
880 Employees
Entry level
880 Employees
Entry level
Cloud • Software
The Python Software Engineer role involves developing engineering solutions using Python, collaborating on designs and code reviews, deploying services, and mentoring colleagues. The focus is on automating SaaS user management and integrating data sources to enable data-driven decisions.
14 Days Ago
London, UK
Remote
900 Employees
Senior level
900 Employees
Senior level
Cloud • Enterprise Web • Other • Productivity • Software • Analytics • Design
The Team Lead DevOps Engineer will optimize CI/CD processes, mentor team members, and build scalable infrastructure, while managing relationships with software development. Responsibilities include deploying, monitoring, and scaling application services with a strong focus on automation and cloud technologies.
15 Days Ago
London, UK
Remote
165 Employees
Expert/Leader
165 Employees
Expert/Leader
Information Technology • Software • Analytics • Business Intelligence • Consulting
As a CCaaS Application Architect, you will engineer and design complex Contact Center applications, manage project initiatives, and assist clients by addressing their digital transformation goals. Your expertise will allow you to handle technical challenges, guide the development team, and ensure high-quality standards in solutions provided to enterprise clients.
15 Days Ago
London, UK
Hybrid
5,300 Employees
Entry level
5,300 Employees
Entry level
Digital Media • Gaming • Information Technology • Software • Sports • eSports • Big Data Analytics
As a Machine Learning Engineer, you'll integrate statistical and machine learning models into production, write production quality code, utilize MLOps for ML workloads, and ensure model accuracy. Collaboration with product teams is vital to move projects from ideation to deployment.
15 Days Ago
London, UK
Remote
804 Employees
Senior level
804 Employees
Senior level
Artificial Intelligence • Cloud • Software • Database
As a Senior Sales Engineer at EDB, you will support the sales team with technical presentations, demos, workshops, and account management. You will collaborate with sales, partners, and product teams to communicate technical requirements, focusing on the Benelux region.
10 Days Ago
London, UK
880 Employees
Mid level
880 Employees
Mid level
Cloud • Software
As a Telco Cloud Engineer at Canonical, you will lead the design and delivery of advanced cloud solutions for the telco industry using OpenStack and Kubernetes. You will provide technical consulting, implement multi-tenant private clouds, and deploy customer solutions while working with automation and best practices in open source technology.
17 Days Ago
London, UK
Remote
850 Employees
Senior level
850 Employees
Senior level
Fintech • HR Tech • Payments • Social Impact • Financial Services
As a Data Engineer II, you will build and maintain ETL and data pipelines, produce and support data reports and dashboards, design data testing and optimization capabilities, and improve the performance of the data infrastructure. You'll collaborate on analytics engineering efforts and maintain monitoring and alerting systems.
17 Days Ago
London, UK
Remote
242 Employees
Senior level
242 Employees
Senior level
Artificial Intelligence • Machine Learning • Natural Language Processing • Conversational AI
As a Senior Backend Engineer, you will enhance the platform by designing, developing, and deploying backend services and APIs, ensuring optimal performance and security while collaborating across teams. Your role involves troubleshooting production issues and participating in code reviews.
11 Days Ago
London, UK
3,780 Employees
Senior level
3,780 Employees
Senior level
Security • Cybersecurity
As a Staff Software Engineer, you will focus on developing the Tessian Defender product, working with Python and AWS to create robust distributed systems for processing sensitive data. Your role involves cross-functional collaboration to enhance customer security against email threats while providing guidance and feedback to team members.
11 Days Ago
London, UK
300 Employees
Senior level
300 Employees
Senior level
Artificial Intelligence • Software
The Principal Software Engineer will enhance delivery systems for client projects, focusing on dependable and performant builds. Responsibilities include collaborating with product and technical teams, ensuring high-quality code development, and managing existing infrastructure. The role blends leadership with technical contributions in an innovative tech environment.
18 Days Ago
London, UK
Remote
1,200 Employees
Senior level
1,200 Employees
Senior level
Information Technology • Machine Learning • Software • Conversational AI • Generative AI • Manufacturing
The Senior ML Engineer will design and engineer innovative projects focused on Natural Language Processing, Data Capturing, Content Understanding, and Information Retrieval. The role involves optimizing LLM-based solutions and deep learning pipelines while ensuring efficient architectures and delivering AI/ML solutions into production.
18 Days Ago
London, UK
1,300 Employees
Mid level
1,300 Employees
Mid level
HR Tech • Software • Travel
As a Site Reliability Engineer (SRE) at TravelPerk, you will design and maintain cloud infrastructure, monitor system performance and reliability, improve automation processes, and collaborate with development teams to enhance application scalability while participating in on-call rotations to resolve production issues.
13 Days Ago
London, UK
Remote
14 Employees
Senior level
14 Employees
Senior level
Digital Media
The Senior Software Engineer will lead the development of features for the EnrollWise platform, focusing on building scalable and efficient software. Responsibilities include collaborating on product design, maintaining quality standards, participating in agile processes, and providing leadership on emerging technologies. The role requires strong experience in Python and Django, along with familiarity in AWS and API integrations.
14 Days Ago
London, UK
Remote
60 Employees
Mid level
60 Employees
Mid level
Software
The Staff Software Engineer will lead development of the DVC product ecosystem, participating in discussions, managing large tasks, writing code and documentation, and engaging with the community to enhance user experience. Strong expertise in Python and contribution to open-source projects are required.
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