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Top Python Developer Jobs in London

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
Senior level
289,097 Employees
Senior level
Financial Services
As a Lead Software Engineer, you'll design and develop scalable microservices, write high-quality production code, ensure design constraints are met, manage deployments, mentor engineers, and lead software engineering practices at J.P. Morgan within the Global Banking Platform.
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.
6 Days Ago
London, UK
892 Employees
Mid level
892 Employees
Mid level
Fintech • Information Technology • Financial Services
As a Software Engineer, you will build and enhance a developer productivity platform, mentor junior engineers, and ensure code quality and security. Your responsibilities include collaborating with cross-functional teams, troubleshooting issues, and contributing to documentation while fostering a culture of continuous improvement.
2 Days Ago
London, UK
Remote
880 Employees
Mid level
880 Employees
Mid level
Cloud • Software
As a Python Engineer at Canonical, you will write and maintain high-quality Python software while collaborating with a distributed team. Responsibilities include debugging, technical documentation, and contributing to open-source community efforts. You will engage in global travel for company events.
3 Days Ago
London, UK
85,636 Employees
Senior level
85,636 Employees
Senior level
Aerospace • Logistics • Security • Software • Cybersecurity
The Python Developer will design, develop, and maintain backend infrastructure while ensuring scalability and robustness. They will be involved throughout the software development lifecycle and collaborate with cross-functional teams. The role includes mentoring junior developers and solving complex challenges in various projects within the cybersecurity and defense sectors.
10 Days Ago
London, UK
Hybrid
289,097 Employees
Senior level
289,097 Employees
Senior level
Financial Services
As a Software Engineer III at JPMorgan Chase, you will design, develop, and maintain applications in Python and SQL, build ETL/ELT pipelines, and architect cloud-based solutions on AWS. Your role includes troubleshooting, collaborating with teams, and mentoring others while adhering to best practices in software engineering and cybersecurity.
13 Days Ago
London, UK
1,825 Employees
Senior level
1,825 Employees
Senior level
Fintech • Financial Services
The Software Engineer will design and develop tools and infrastructure for Traders and Quantitative Researchers, manage proprietary trading system tech requirements, and enhance workflows. Responsibilities include writing performance-sensitive code, leading design discussions, mentoring, and collaborating on technology solutions that improve trading platforms.
8 Days Ago
London, UK
3,751 Employees
Senior level
3,751 Employees
Senior level
Software
As a Full Stack Python Engineer at FICO, you'll develop innovative solutions for digital decisioning platforms, focusing on data processing engines, REST and gRPC integrations, and cloud architecture. The role involves converting business requirements into technical solutions, ensuring quality and automated testing, and collaborating closely with cross-functional teams while following agile practices.
15 Hours Ago
London, UK
300 Employees
Mid level
300 Employees
Mid level
Artificial Intelligence • Software
The Software Engineer will build and manage data pipelines, work with data scientists to productionise machine learning models, and contribute to the development of AI solutions. The role requires strong programming skills in Python and experience in AI/ML environments.
15 Hours Ago
London, UK
Hybrid
393 Employees
Senior level
393 Employees
Senior level
AdTech • Cloud • Information Technology • Machine Learning • Security • Software • Cybersecurity
As a Sr. Python Engineer, you will design and maintain crawlers and data ingestion systems for Ad Tech standards. You'll collaborate with engineering, operations, and product teams while providing standards data to internal researchers and customers to improve compliance against ad fraud.
2 Days Ago
London, UK
Remote
880 Employees
Entry level
880 Employees
Entry level
Cloud • Software
The Software Engineer will design and deliver open source software operations code using Python, collaborate across the Linux stack, and ensure applications' reliability. This role also involves participating in software architecture decisions, implementing best practices in quality and testing, and contributing to a collaborative engineering culture at Canonical.
2 Days Ago
London, UK
Remote
880 Employees
Senior level
880 Employees
Senior level
Cloud • Software
As a Senior Software Engineer, you will develop a fully managed MongoDB solution on Juju, ensuring reliability and security across cloud and on-premise deployments. Your role includes operating MongoDB clusters, handling infrastructure deployment automation, and engaging in automatic testing.
2 Days Ago
London, UK
Remote
880 Employees
Senior level
880 Employees
Senior level
Cloud • Software
As a Senior Observability Platform Developer, you will create a resilient and scalable cloud-native monitoring stack leveraging open-source tools. Your role involves writing high-quality code, debugging, collaborating with a distributed team, and representing Canonical at conferences. You will work on monitoring applications in diverse cloud environments, fostering a great user experience.
2 Days Ago
London, UK
Remote
880 Employees
Mid level
880 Employees
Mid level
Cloud • Software
The Python Software Engineer will join Canonical's Certification team to develop and maintain test automation tools for certifying hardware with Ubuntu. The role involves enhancing certification processes, creating software for hardware testing, and automating existing tasks, ensuring a high-quality experience for users of Ubuntu on various devices.
2 Days Ago
London, UK
110 Employees
Senior level
110 Employees
Senior level
Software • Analytics
As a Senior Python Developer at Landytech, you will design and build services within a micro-services architecture, work with large financial data models, and integrate processes into ETL pipelines. You will also communicate with front-end teams, write tests, and participate in code reviews.
2 Days Ago
London, UK
Remote
2,000 Employees
Mid level
2,000 Employees
Mid level
Healthtech • Information Technology • Software • Analytics • Consulting • Cybersecurity • App development
The Data Engineer will develop databases and data pipelines, create end-to-end data solutions, and maintain scalable data solutions while collaborating with various stakeholders to ensure data security and project success.
3 Days Ago
London, UK
Remote
880 Employees
Mid level
880 Employees
Mid level
Cloud • Software
The Software Engineer will develop and maintain container images, implement CI/CD automation, ensure security compliance, and collaborate with internal and external teams. The role involves mentoring junior team members and participating in community engagement around open-source software.
4 Days Ago
London, UK
Remote
689 Employees
Senior level
689 Employees
Senior level
Cloud • Marketing Tech • Sales • Software
As a Senior Python Engineer at PandaDoc, you will develop and improve the infrastructure for services, enhance communication methods, deploy and monitor services across clusters, and mentor product teams in engineering best practices.
5 Days Ago
London, UK
Remote
689 Employees
Mid level
689 Employees
Mid level
Cloud • Marketing Tech • Sales • Software
The Senior Python Engineer at PandaDoc will take technical ownership of features, collaborate extensively with teams, and contribute to agile processes. Responsibilities include building and maintaining application architecture to support reliable document workflows.
7 Days Ago
London, UK
Hybrid
93 Employees
Junior
93 Employees
Junior
Fintech • Financial Services • Cryptocurrency
As a Core Developer at Wintermute, you'll work on various projects involving Python and C++, focused on high-frequency trading solutions. Responsibilities include developing systems for data acquisition, reconciliation, user interfaces for traders, automated settlement, and supporting quantitative research efforts. Strong interpersonal skills are essential as collaboration with various teams is key.
7 Days Ago
London, UK
145 Employees
Junior
145 Employees
Junior
Cloud • Information Technology
As a Python Software Engineer at Yellowbrick Data, you will develop and maintain the engineering platform, create reusable libraries, analyze performance tests, and support best practices in test automation. The role emphasizes collaboration and continuous skill development while working with Python and addressing cloud-based software solutions.
8 Days Ago
London, UK
Remote
60 Employees
Senior level
60 Employees
Senior level
Software
As a Software (ML Product) Engineer, you will enhance the user experience of ML tools by optimizing workflows and processes. You will collaborate with technical product managers, contribute to defining efficient ML practices, and improve DVC, an open-source tool for machine learning. A strong background in deep learning and system design is necessary to transform current workflows and engage with the ML community.
9 Days Ago
London, UK
300 Employees
Senior level
300 Employees
Senior level
Artificial Intelligence • Software
The Principal Software Engineer will enhance the Engine systems for client project delivery. Responsibilities include ensuring seamless functionality, strategic architecture design for scalability, collaborating with the Blocks Team for reliable delivery, and mentoring team members to maintain engineering excellence.
10 Days Ago
London, UK
2,008 Employees
Senior level
2,008 Employees
Senior level
Financial Services
The Senior Python Engineer will manage technical objectives, provide leadership, and handle hands-on development related to complex data pipelines and AI/ML systems. Responsibilities include mentoring junior engineers, conducting code reviews, and making architectural decisions in collaboration with various teams.
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