Software Engineer III - Python/Test Automation

Salary: £62,000 - 102,000 per year

Requirements:

• Hands-on practical experience in Python, Playwright/Selenium, PyTest, application development, testing, and operational stability
• Demonstrated expertise in managing multiple automation deliveries and diverse stakeholders while consistently ensuring high-quality outcomes under pressure
• Experience developing, debugging, and maintaining code in a large corporate environment using Python and SQL
• Hands-on experience with FastAPI, Web UI, API, and database automation
• Experience with agile methodologies such as CI/CD, application resiliency, and security
• Solid understanding of HTTP protocol and REST APIs
• Experience handling and automating large volumes of diverse input files, including CSV, JSON, and XML
• Demonstrated ability to take full ownership of deliverables, maintain high quality, and adhere to project timelines
• Preferred: exposure to cloud technologies such as AWS, Azure, or GCP
• Preferred: exposure to LLM models such as ChatGPT and Google Bard
• Preferred: exposure to LangChain, RAG, and fine-tuning of LLM models
• Preferred: exposure to PySpark and Databricks for data pipeline creation
• Preferred: familiarity with modern front-end technologies
• Preferred: experience with ReactJS front-end development

Responsibilities:

• Design, develop, and maintain robust, scalable test automation frameworks for a complex, high-performance Payments system
• Architect and build test automation solutions and reference services using Java to validate software functionality and performance
• Apply test automation frameworks intelligently to enhance and execute the overall test landscape
• Execute software solutions, design, development, and technical troubleshooting beyond routine approaches
• Produce architecture and design artifacts for complex applications, ensuring software code meets design constraints
• Gather, analyze, and visualize large, diverse data sets to drive continuous improvement of software systems
• Proactively identify hidden problems and patterns in data to improve coding hygiene and system architecture
• Contribute to software engineering communities of practice and participate in events exploring new technologies
• Collaborate as part of a global team and conduct detailed peer code reviews
• Work closely with stakeholders to define test requirements and strategies

Technologies:

• API
• AWS
• Architect
• Azure
• ChatGPT
• CI/CD
• Cloud
• Databricks
• FastAPI
• Fine-tuning
• GCP
• HTTP
• JSON
• Java
• LLM
• Playwright
• Python
• PySpark
• RAG
• REST
• SQL
• Security
• Selenium
• Web
• XML
• pytest
• UX UI Design
• Support

More:

We are JPMorganChase, a global leader in financial services, and this role sits within our Commercial & Investment Bank, specifically in Payments Technology. We offer the opportunity to take your software engineering career to the next level as a Software Engineer III - Python/Test Automation, working as a seasoned member of an agile global team to deliver trusted, market-leading technology in a secure, stable, and scalable way. We value diversity and inclusion, provide reasonable accommodations where needed, and are committed to building trusted, long-term partnerships with our clients across more than 100 countries.

last updated 34 week of 2026