Software Engineer III - React / TypeScript, Gen AI, Frontend in London

Software Engineer III - React / TypeScript, Gen AI, Frontend in London

London Full-Time 60000 - 80000 € / year (est.) No home office possible
hackajob

At a Glance

  • Tasks: Design and develop innovative software solutions using React and TypeScript.
  • Company: Join J.P. Morgan, a global leader in financial services.
  • Benefits: Competitive salary, diverse work culture, and opportunities for professional growth.
  • Other info: Collaborate with cross-functional teams in an inclusive workplace.
  • Why this job: Make a real impact with AI-driven technology in a dynamic environment.
  • Qualifications: Experience in software engineering, particularly with React, TypeScript, and AI tools.

The predicted salary is between 60000 - 80000 € per year.

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III in the Securities Services team within the Commercial & Investment Bank, you will design and deliver secure, scalable technology products that drive business success. You will build and evolve a shared front‑end platform and reusable UI patterns, focusing on performance, accessibility, and developer experience. You will help deliver AI‑enabled user experiences and accelerate engineering velocity by responsibly using modern AI developer tools. Your work will directly impact our customers and the way we build technology.

This is a pure front‑end position with a strong AI focus: you will help deliver AI‑enabled user experiences and raise engineering velocity by using modern AI developer tools responsibly (e.g., AI‑assisted coding, debugging, and test generation), while maintaining a high bar for correctness, security, and quality.

Job Responsibilities

  • Design, develop, and troubleshoot creative software solutions for technical challenges.
  • Write secure, high‑quality production code and maintain UI logic that integrates with shared platforms.
  • Develop and maintain reusable React components and UI patterns for complex workflows.
  • Build high‑performance, data‑intensive user interfaces using profiling and optimization techniques.
  • Engineer accessible, inclusive experiences by partnering with UX and design teams.
  • Write and maintain automated tests (unit, integration, end‑to‑end) to ensure reliability and quality.
  • Collaborate with UX designers, product stakeholders, and developers to build custom UI components.
  • Develop tools and automated processes to streamline development and enhance developer experience.
  • Build Generative AI interface solutions using React and TypeScript, following CI/CD standards.
  • Work closely with Product, UX, and cross‑functional partners to deliver capabilities in agile sprints.
  • Actively use AI development tools for code generation, refactoring, debugging, documentation, and testing.

Required Qualifications, Capabilities, And Skills

  • Formal training or certification in software engineering.
  • Expertise in HTML, CSS, JavaScript, React, TypeScript, and state management.
  • Experience optimizing and debugging performance and memory issues in web applications.
  • Strong communication and collaboration skills with cross‑functional teams.
  • Familiarity with agile methodologies, production readiness, and security‑aware development.
  • Experience maintaining production UI code in large development teams.
  • Understanding of user experience principles and customer‑oriented development.
  • Testing experience with component/unit and end‑to‑end tools (e.g., React Testing Library, Cypress, Playwright).
  • Experience building or integrating Generative AI features in frontend products.
  • Proficiency with CLI, Git, and CI/CD practices.
  • Regular use of AI coding tools with strong validation and code‑quality practices.

Preferred Qualifications, Capabilities, And Skills

  • Exposure to cloud technologies and modern web delivery.
  • Experience with shared UI platforms or component libraries.
  • Strong accessibility engineering, including WCAG compliance and remediation.
  • Experience improving developer experience at scale.
  • Understanding of software best practices, development lifecycle, and Agile tools.

Software Engineer III - React / TypeScript, Gen AI, Frontend in London employer: hackajob

At J.P. Morgan, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration. As a Software Engineer III, you will have the opportunity to work with cutting-edge technologies, including Generative AI, while contributing to impactful projects that shape the future of financial services. Our commitment to employee growth is evident through continuous learning opportunities and a diverse, inclusive environment that values every team member's unique contributions.

hackajob

Contact Detail:

hackajob Recruiting Team

StudySmarter Expert Advice🤫

We think this is how you could land Software Engineer III - React / TypeScript, Gen AI, Frontend in London

Tip Number 1

Network like a pro! Reach out to your connections in the industry, attend meetups, and engage with professionals on platforms like LinkedIn. You never know who might have the inside scoop on job openings or can refer you directly.

Tip Number 2

Show off your skills! Create a portfolio showcasing your best projects, especially those involving React, TypeScript, and AI features. This will give potential employers a taste of what you can do and set you apart from the crowd.

Tip Number 3

Prepare for interviews by brushing up on common technical questions and coding challenges. Practice with friends or use online platforms to simulate real interview scenarios. Confidence is key, so be ready to demonstrate your expertise!

Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who are proactive about their job search. Let’s get you that Software Engineer III role!

We think you need these skills to ace Software Engineer III - React / TypeScript, Gen AI, Frontend in London

React
TypeScript
HTML
CSS
JavaScript
State Management
Performance Optimisation

Some tips for your application 🫡

Tailor Your Application:Make sure to customise your CV and cover letter for the Software Engineer III role. Highlight your experience with React, TypeScript, and AI tools, as these are key to what we’re looking for!

Showcase Your Projects:Include links to your GitHub or any relevant projects that demonstrate your skills in building high-performance, data-intensive user interfaces. We love seeing real examples of your work!

Be Clear and Concise:When writing your application, keep it straightforward. Use clear language to describe your experiences and how they relate to the job. We appreciate a well-structured application that gets to the point!

Apply Through Our Website:Don’t forget to submit your application through our website! It’s the best way for us to receive your details and ensures you’re considered for this exciting opportunity.

How to prepare for a job interview at hackajob

Know Your Tech Stack

Make sure you’re well-versed in HTML, CSS, JavaScript, React, and TypeScript. Brush up on your state management skills too! Be ready to discuss how you've used these technologies in past projects, especially in building high-performance, data-intensive user interfaces.

Showcase Your AI Knowledge

Since this role has a strong AI focus, be prepared to talk about your experience with AI development tools. Share specific examples of how you've integrated Generative AI features into frontend products or used AI for coding, debugging, and testing.

Collaboration is Key

Highlight your communication and collaboration skills. Discuss how you've worked with UX designers, product stakeholders, and other developers to create custom UI components. J.P. Morgan values teamwork, so showing that you can work well in cross-functional teams will set you apart.

Prepare for Problem-Solving Questions

Expect to tackle some technical challenges during the interview. Practice explaining your thought process when designing and troubleshooting software solutions. Being able to articulate your approach to optimising performance and debugging issues will demonstrate your expertise.