Software Engineer Iii- Front End React- Nutmeg- Madrid

Nutmeg is a J.P. Morgan company within the International Consumer Bank – Chase division, offering award-winning investments, products, and digital wealth management services to over 250,000 investors in the UK. We built the business from scratch, with constant innovation at our core. Our goal is to provide clients with the best digital investing experience, ensuring security and customer satisfaction, giving you the opportunity to make a real difference.

Role Overview

As an engineer at JPMorgan Chase within Nutmeg, you will join a team with ambitious goals. We aim to develop a top-tier suite of mobile and web apps to deliver the best investment experience for our clients.

Our team is central to this mission, focused on transforming innovative ideas into practical solutions for our customers. We seek individuals with a curious mindset, who thrive in collaborative squads, and are passionate about building quality software that makes a significant impact in a fast-paced environment. Our team members are solution-oriented, commercially savvy, and have a strong interest in fintech. We operate in tribes and squads dedicated to specific products and projects.

Job Responsibilities

• Collaborate with the Product team to understand user needs and follow an Agile SDLC to develop and deliver features for the Nutmeg Webapp.
• Take ownership of tasks from estimation through to release and post-production support.
• Identify, troubleshoot, and resolve defects, prioritizing issues effectively.
• Write comprehensive tests for all code, adhering to best practices and standards to ensure high quality.
• Participate in code reviews to maintain high code quality and foster continuous learning.
• Share knowledge actively, participate in skill-sharing sessions within the Web team and broader Engineering department.
• Contribute to technical initiatives aimed at improving and evolving the existing codebase and tools.
• Focus on solving core problems rather than just addressing symptoms.
• Ensure accessibility (WCAG), security, observability, and performance are considered in all deliverables.

Minimum Qualifications

• Proficiency in English, with the ability to work effectively with the London team.
• Proven experience building and maintaining customer-centric web applications / SPAs.
• Strong proficiency in React and its core principles.
• General networking knowledge : HTTP, IP, DNS, caching.
• Experience with testing frameworks such as Jest, RTL, Cypress, or Playwright.
• Understanding of build tools like Webpack, Vite, Parcel, and preprocessors such as SASS, CSS Modules, JS compilation.
• Knowledge of CI / CD platforms like Jenkins and GitHub Actions.
• Experience with monitoring and alerting for production applications.
• Good understanding of REST APIs and working with APIs.
• Strong communication skills for effective teamwork and cross-organizational interactions.
• Curiosity about new working methods and openness to innovative ideas.
• Passion for self-development and keeping up with latest Web / React trends.
• Proactive attitude and willingness to contribute ideas.

Preferred Qualifications

• Experience with TypeScript, GraphQL, AWS.
• Experience with feature flagging and A / B testing.
• Experience with design systems, UI development, and white-labelling.
• Background in FinTech sector.
• Showcase your work via GitHub, Stack Overflow, or other portfolios.

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