Senior Lead Software Engineer - Full Stack Reactjs, Java, Python, Aws, Ai/ml

JPMorgan Chase JPMorgan Chase · Banking · LONDON, United Kingdom · Corporate Sector

Senior Lead Software Engineer with full stack experience in ReactJS, Java, Python, and AWS, focusing on building and enhancing technology products for cloud migration. The role involves technical guidance, code development, and influencing product design, with a preference for experience in generative and agentic AI for development acceleration.

What you'd actually do

  1. Regularly provides technical guidance and direction to support the business and its technical teams, contractors, and vendors
  2. Develops secure and high-quality production code, and reviews and debugs code written by others
  3. Drives decisions that influence the product design, application functionality, and technical operations and processes
  4. Serves as a function-wide subject matter expert in one or more areas of focus
  5. Actively contributes to the engineering community as an advocate of firmwide frameworks, tools, and practices of the Software Development Life Cycle

Skills

Required

  • Full stack development
  • Technical leadership
  • React
  • TypeScript
  • Modern JavaScript (ES6)
  • HTML5
  • CSS3
  • API integration
  • Java
  • Python
  • AWS
  • System design
  • Application development
  • Testing
  • Operational stability
  • Cloud native experience
  • Computer Science
  • Computer Engineering
  • Mathematics

Nice to have

  • Leadership working with engineers, product, stakeholders
  • Knowledge of best practices for building user experiences that incorporate generative and agentic AI
  • Practical experience applying generative AI and agentic workflows to accelerate development (e.g., AI-assisted code and test generation, refactoring, documentation), with strong judgment, governance, and quality control over AI-produced outputs
  • Experience optimizing performance and reliability of AI-powered user interfaces
  • Proficiency in React framework
  • Understanding of REST APIs and GraphQL
  • Comfortable working with projects partially or fully using TypeScript & using latest React features such as Suspense and Hooks
  • End to end testing applications

What the JD emphasized

  • at least 3 years in a technical leadership or lead developer role
  • Expert proficiency in React, TypeScript, modern JavaScript (ES6), HTML5, and CSS3
  • Building enterprise grade system using Java, Python, AWS
  • Advanced knowledge of software applications and technical processes with considerable in-depth knowledge in one or more technical disciplines (e.g., cloud, artificial intelligence, machine learning, mobile, etc.)
  • Practical cloud native experience