Senior ReactJS Web Developer - Boardroom Team

J.P. Morgan; Glasgow; On-site; GBP 50,000 - 90,000; Full time

Job summary

An established industry player is seeking a Senior ReactJS Web Developer to enhance their dynamic Boardroom team. This role involves designing, developing, and maintaining high-quality web applications that optimize user experience and performance. As a key member of the development team, you will tackle complex problems, implement best practices in coding and testing, and collaborate with both front-end and back-end developers. This position offers the chance to work in a vibrant environment that values diversity and innovation, while contributing to projects that have a significant impact on client experience.

Qualifications

• Experience in system design and application development.
• Hands-on experience with React, JavaScript, and TypeScript.
• Knowledge of CI/CD and RESTful API design.

Responsibilities

• Design and maintain high-quality web applications using ReactJS.
• Collaborate with scrum teams to deliver MVP and target state.
• Write clean, testable code and conduct code reviews.

Skills

React

JavaScript

TypeScript

CSS

HTML

Automated Testing

CI/CD

RESTful APIs

Agile Methodologies

Software Development Life Cycle

Education

Formal training in software engineering

Tools

React Testing Library

Cypress

Vitest

Jenkins

Job description

Are you ready to advance your career in web development? We are seeking an experienced Senior ReactJS Web Developer to join our dynamic Boardroom team. As a key member of our development team, you'll design, develop, and maintain high-quality web applications using ReactJS, contributing to enhanced user experience and optimized application performance.

Job Responsibilities

• Execute software solutions, design, development, and technical troubleshooting, thinking beyond routine approaches to build solutions or break down technical problems.
• Create secure and high-quality production code and maintain algorithms that run synchronously with appropriate systems.
• Produce architecture and design artifacts for complex applications, ensuring design constraints are met by software code development.
• Create clean and testable code, writing unit/integration/end-to-end/performance tests for the codebase.
• Gather, analyze, synthesize, and develop visualizations and reporting from large, diverse data sets to continuously improve software applications and systems.
• Proactively identify hidden problems and patterns in data, using insights to drive improvements to coding hygiene and system architecture, ensuring issues do not resurface.
• Be an active member of our scrum team, governing the overall platform.
• Act like an owner, ensuring a best-in-class client experience.
• Collaborate with the team to form sprints that lead to the MVP and target state.
• Set direction and best practices around automated testing, platform framework, SDLC, and guide junior developers on best practices.
• Collaborate with other Front-end and Back-end developers, engaging in code reviews and building and maintaining our platform for future readiness.
• Contribute to software engineering communities of practice and events exploring new and emerging technologies.
• Add to team culture of diversity, equity, inclusion, and respect.

Required Qualifications, Capabilities, and Skills

• Formal training or certification on software engineering concepts and advanced applied experience.
• Hands-on practical experience in system design, application development, testing, and operational stability.
• Proficient in React/JavaScript/Typescript.
• Experience building enterprise-level applications with React/Typescript.
• Experience in developing, debugging, and maintaining code in a large corporate environment with modern programming languages and database querying languages.
• Overall knowledge of the Software Development Life Cycle.
• Commercial experience working with React.
• Experience building and maintaining client-facing platforms.
• Knowledge of web technologies (CSS/HTML/JavaScript).
• Experience in developing, debugging, and automated testing (e.g., react testing library / cypress / vitest) within a commercial setting.
• Solid understanding of CI/CD (e.g., Jenkins), Application Resiliency, and Security.
• Experience collaborating with backend technology teams in designing scalable and reusable RESTful APIs.

Preferred Qualifications, Capabilities, and Skills

• Exposure to frontend libraries such as Redux and Typescript.
• Knowledge of modern software architecture patterns and ability to choose suitable technologies for long-term goals.
• Exposure to performance tuning complex UIs and past mobile development experience is advantageous.
• Understanding of Agile Software Development Lifecycle.
• Experience with DevOps principles and practices.