TypeScript, React Developer - Senior Lead Software Engineer

JPMorgan Chase & Co.; City of Westminster; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading financial services company in the City of Westminster is seeking a Senior Lead Software Engineer. You will design and deliver innovative technology products, focusing on creating high-quality user interfaces using React and TypeScript. This role emphasizes collaboration with UX/UI designers and mentoring junior developers. The ideal candidate will have strong problem-solving skills and experience in a fast-paced environment.

Qualifications

• Proven experience as a UI Developer with a strong portfolio showcasing your work.
• Proficiency in TypeScript and React.
• Solid understanding of HTML5, CSS3, and responsive design principles.
• Experience with version control systems, such as Git.
• Strong problem-solving skills and attention to detail.

Responsibilities

• Executes software solutions, design, development, and troubleshooting.
• Creates secure and high-quality production code and maintains algorithms.
• Develop and maintain high-quality user interfaces for web applications.
• Collaborate with UX/UI designers to translate design concepts.
• Troubleshoot and resolve front-end issues and bugs.

Skills

UI Development

TypeScript

React

HTML5

CSS3

Problem-solving skills

Communication skills

Education

Formal training or certification in software engineering

Tools

Git

Redux

Webpack

Babel

Job description

Overview

As a Senior Lead Software Engineer at JPMorgan Chase within the Commercial and Investment Bank, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable way. You are responsible for carrying out critical technology solutions across multiple technical areas within various business functions in support of the firm's business objectives.

Responsibilities

• Executes software solutions, design, development, and technical troubleshooting with the ability to think beyond routine or conventional approaches to build solutions or break down technical problems.
• Creates secure and high-quality production code and maintains algorithms that run synchronously with appropriate systems.
• Develop and maintain high-quality user interfaces for web applications using JavaScript and modern JavaScript frameworks, with a preference for React/Angular.
• Collaborate with UX/UI designers to translate design concepts into interactive and responsive user interfaces.
• Ensure the technical feasibility of UI/UX designs and optimize applications for maximum speed and scalability.
• Write clean, maintainable, and efficient code while adhering to best practices and coding standards.
• Conduct code reviews and provide mentorship to junior developers to foster a culture of continuous improvement.
• Stay up-to-date with the latest industry trends and technologies to ensure our applications remain at the forefront of innovation.
• Troubleshoot and resolve front-end issues and bugs in a timely manner.
• Work closely with backend developers to integrate APIs and ensure seamless data flow between the front-end and back-end systems.
• Adds to team culture of diversity, equity, inclusion, and respect.

Qualifications

• Proven experience as a UI Developer, with a strong portfolio showcasing your work.
• Proficiency in TypeScript and React.
• Solid understanding of HTML5, CSS3, and responsive design principles.
• Experience with version control systems, such as Git.
• Strong problem-solving skills and attention to detail.
• Excellent communication and collaboration skills.
• Ability to work independently and as part of a team in a fast-paced environment.
• Formal training or certification on software engineering concepts and proficient advanced experience.

Preferred qualifications, capabilities, and skills

• Experience with state management libraries such as Redux or Context API.
• Familiarity with front-end build tools and package managers, such as Webpack, Babel, and npm/yarn.
• Knowledge of testing frameworks and tools, such as Jest or Enzyme.
• Experience with performance optimization techniques and tools.