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Top Python Developer Jobs in London

Yesterday
Hybrid
London, UK
Senior level
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.
Top Skills: Python
Senior level
Financial Services
As a Lead Software Engineer, you'll design and develop scalable microservices, ensuring code quality and operational stability. You'll produce architectural artifacts, troubleshoot deployments, mentor engineers, and identify process improvements, all while collaborating within a dynamic fintech environment backed by J.P. Morgan.
Top Skills: GoPython
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.
Top Skills: GoPython
10 Days Ago
Hybrid
London, UK
Mid level
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.
Top Skills: GoJavaPython
10 Days Ago
Hybrid
London, UK
Senior level
Senior level
Financial Services
As a Lead Software Engineer, you will design and implement scalable microservices, produce architectural artifacts, manage deployments, mentor other engineers, and drive process improvements while working with cloud native technologies.
Top Skills: GoJavaPython
6 Days Ago
Remote
London, UK
Senior level
Senior level
Insurance
Lead discussions and collaborate on optimized pricing solutions, develop pricing algorithms with expert Python skills, and mentor a team of pricing engineers while managing multiple projects in a fast-paced environment.
Top Skills: Python
11 Days Ago
Hybrid
London, UK
Entry level
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.
Top Skills: GoJavaPython
7 Days Ago
London, UK
Mid level
Mid level
eCommerce • Fashion • Retail
As a Python Developer at Lyst, you will tackle various challenges in product development, including system design for trend detection and payment solutions. Collaborate with engineers, data scientists, and product managers to enhance user experience and build impactful features for a leading fashion platform.
Top Skills: JavaScriptPython
14 Days Ago
Hybrid
London, UK
Junior
Junior
Financial Services
As a Software Engineer II, you'll design and develop scalable microservices, write high-quality code, and automate testing. You'll troubleshoot deployments, collaborate with teams, and implement software engineering best practices within a major banking project.
Top Skills: GoJavaPython
14 Days Ago
Hybrid
London, UK
Senior level
Senior level
Financial Services
As a Lead Software Engineer at JPMorgan Chase, you will develop and enhance technology products and systems, collaborate with front office partners, automate solutions to improve software stability, and lead agile delivery for the QES platform using technologies such as Python and TypeScript.
Top Skills: PythonTypescript
14 Days Ago
Hybrid
London, UK
Mid level
Mid level
Financial Services
As a Software Engineer III, you will enhance and deliver technology products by developing solutions, reviewing code, and collaborating with front office teams. Your role involves building secure, high-quality production code and improving operational stability while driving awareness of new technologies.
Top Skills: PythonTypescript
10 Days Ago
Remote
London, UK
Mid level
Mid level
Big Data • Cloud • Healthtech • Software • Big Data Analytics
The Python Engineer will architect and develop innovative web applications, focusing on building scalable solutions, using technologies like Python and Django, and participating in technical planning. The role involves solving complex problems independently while maintaining communication with team members.
Top Skills: Python
3 Days Ago
Remote
London, UK
Mid level
Mid level
Software
The Full Stack Python Engineer will develop a data processing engine, integrate services using REST and gRPC, design cloud-based services, ensure software quality, and collaborate cross-functionally to meet business needs while adhering to agile principles.
Top Skills: JavaScriptPython
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.
Top Skills: PythonSQL
12 Days Ago
London, UK
Senior level
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.
Top Skills: Python
Junior
Financial Services
As a Quantitative Developer, you will develop and maintain a Python library for strategy implementation, create pipelines for research and trading, manage production systems, and utilize your skills in Python, Rust, and C to enhance platform performance.
Top Skills: CPythonRust
21 Hours Ago
London, UK
Junior
Junior
Fintech • Payments • Financial Services
As a Python Software Engineer, you will refine and advance trading systems, collaborate with quants, traders, and researchers to enhance system adaptability and scalability, and contribute to innovative trading applications.
Top Skills: Python
21 Hours Ago
London, UK
Security • Cybersecurity
Join Darktrace, a global leader in cyber security AI, as a Python Software Engineer. Contribute to innovative projects, develop existing platforms, and work on defending against cyber-attacks. Requires Python proficiency, experience with AWS, Azure, or GCP, familiarity with Docker, Linux, and interest in cybersecurity and machine learning.
Top Skills: Python
Yesterday
London, UK
Senior level
Senior level
Fintech • Payments • Software • Financial Services
As a Senior Software Engineer at Thredd, you'll design and develop scalable applications mainly using Python, work with cloud technologies, optimize application performance, lead junior engineers, and ensure high software delivery standards while collaborating with various teams.
Top Skills: Python
3 Days Ago
London, UK
Senior level
Senior level
Information Technology • Business Intelligence • Consulting
The Senior Python Developer will design, code, test, and maintain software solutions, focusing on CI/CD best practices, managing APIs and backend systems, and enhancing automation and observability. Collaboration with cross-functional teams is essential for delivering high-quality products and diagnosing production issues through a test-driven development process.
Top Skills: Python
16 Days Ago
Remote
London, UK
Mid level
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.
Top Skills: Python
7 Days Ago
London, UK
Senior level
Senior level
Fintech • Information Technology • Legal Tech • Natural Language Processing • Software • Financial Services
As a Senior Python Developer at Xapien, you will enhance Xapien Insights, focusing on developing scalable AI-powered reports. Responsibilities include applying Test-Driven Development, mentoring junior developers, and working cross-functionally to drive innovation in technology solutions related to business due diligence.
Top Skills: C#GoPython
7 Days Ago
London, UK
Senior level
Senior level
eCommerce • Fashion • Retail
As a Senior Python Developer at Lyst, you will design and develop scalable solutions for acquiring users, work with a collaborative team, and take ownership of projects from inception to deployment in a fast-paced environment.
Top Skills: JavaScriptPython
10 Days Ago
Hybrid
London, UK
Entry level
Entry level
Information Technology • Consulting
The Front Office Developer will create and enhance trading platforms, implement new trading products and algorithms, maintain system architecture, and ensure system reliability and efficiency. Interaction with traders and researchers for new features development is essential.
Top Skills: C#C++JavaPython
21 Hours Ago
London, UK
Junior
Junior
Information Technology • Consulting
The Quality Engineer will work within project teams to enhance software quality through functional and non-functional testing. Responsibilities include designing and executing tests, recording issues, and collaborating with clients and teams to advocate for quality. The role also involves using automation testing techniques and cloud technologies.
Top Skills: PythonSQL
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