Sr Lead Software Engineer - UI Developer - React

Testing Site - JPMC; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

JPMorganChase in London seeks a Senior Lead Software Engineer to lead the delivery of secure, scalable technology in the Equities Sales and Trading Technology group. You will guide cross-functional teams, drive architectural decisions, and implement robust software across front-end and back-end stacks.

The role emphasizes cloud-native delivery, performance optimization, and high-quality production code, with collaboration across fintech domains and a strong focus on security and reliability.

Qualifications

• Formal training or certification on software engineering concepts and 5+ years of applied experience.
• Hands-on experience delivering system design, application development, testing, and operational stability.
• Proficiency in at least one programming language.
• Strong knowledge of cloud native architectures and related processes.
• Ability to solve design problems independently with minimal oversight.
• Education in Computer Science, Computer Engineering, Mathematics, or a related technical field.

Responsibilities

• Regularly provides technical guidance and direction to support the business and its technical teams, contractors, and vendors.
• Develops secure and high-quality production code, and reviews and debugs code written by others.
• Drives decisions that influence the product design, application functionality, and technical operations and processes.
• Serves as a function-wide subject matter expert in one or more areas of focus.
• Actively contributes to the engineering community as an advocate of firmwide frameworks, tools, and practices of the Software Development Life Cycle.
• Influences peers and project decision-makers to consider the use and application of leading-edge technologies.
• Adds to the team culture of diversity, opportunity, inclusion, and respect.

Skills

Experience

System design

Programming languages

Cloud native

Independent problem solving

Education

Computer Science

Tools

React 17+

AG Grid

AWS

Job description

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products.

As a Senior Lead Software Engineer at JPMorganChase within the Equities Sales and Trading Technology, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Drive significant business impact through your capabilities and contributions, and apply deep technical expertise and problem-solving methodologies to tackle a diverse array of challenges that span multiple technologies and applications.

Job responsibilities

• Regularly provides technical guidance and direction to support the business and its technical teams, contractors, and vendors
• Develops secure and high-quality production code, and reviews and debugs code written by others
• Drives decisions that influence the product design, application functionality, and technical operations and processes
• Serves as a function-wide subject matter expert in one or more areas of focus
• Actively contributes to the engineering community as an advocate of firmwide frameworks, tools, and practices of the Software Development Life Cycle
• Influences peers and project decision-makers to consider the use and application of leading-edge technologies
• Adds to the team culture of diversity, opportunity, inclusion, and respect

Required qualifications, capabilities, and skills

• Formal training or certification on software engineering concepts and 5+ years of applied experience
• Hands-on practical experience delivering system design, application development, testing, and operational stability
• Advanced in one or more programming language(s)
• 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.)
• Ability to tackle design and functionality problems independently with little to no oversight
• Practical cloud native experience
• Experience in Computer Science, Computer Engineering, Mathematics, or a related technical field

Preferred qualifications, capabilities, and skills

• Expertise in React 17+ and modern front-end development practices
• Experience with AG Grid or similar advanced data grid libraries
• Proven ability to optimize web applications for performance and responsiveness
• Familiarity with handling high-frequency data updates in UI applications
• Strong understanding of application profiling and tuning techniques
• Knowledge of AI integration or cloud technologies, especially AWS
• Experience working in fast-paced, agile environments within financial services