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- Tasks: Build sleek React applications that simplify currency hedging for finance teams.
- Company: Exciting Series A fintech startup revolutionising financial infrastructure.
- Benefits: Competitive salary, modern tech stack, and a collaborative team environment.
- Other info: Work in a fast-paced, innovative environment in London.
- Why this job: Join a small team and directly influence product direction from day one.
- Qualifications: 0-3 years experience in React and TypeScript with a strong design sensibility.
The predicted salary is between 50000 - 70000 £ per year.
A job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. The next step is to speak to Jack.
Company Description: $25M Series A FCA-regulated fintech building an FX copilot for fast-growing businesses.
Job Description: You will build polished React applications that simplify complex currency hedging for finance teams. Working directly with the CTO, you'll own the frontend architecture, design trade flows, and create data visualizations for over 200 companies. This role combines deep engineering with a strong product sensibility to make sophisticated financial infrastructure feel effortless.
Location: London, UK
Why this role is remarkable:
- Work at the intersection of high-growth fintech and elite product craft, shipping features used by industry leaders like Paddle, Tines, and ManyChat.
- Join a small, high-output team of ~10 people where you have direct influence over product direction and frontend architecture from day one.
- Leverage a modern tech stack and cutting-edge AI development tools (Cursor, Claude Code) to move faster while maintaining world-class engineering standards.
What You Will Do:
- Build and ship production-ready React and TypeScript features across the core web application, including dashboards and trade workflows.
- Partner with the founding team to prototype and iterate on complex UI/UX challenges, ensuring high visual hierarchy and interaction quality.
- Take full ownership of the frontend lifecycle, from identifying rough edges in the user journey to deploying robust, stateful interfaces.
The ideal candidate:
- 0-3 years of professional experience with a portfolio of complex side projects, open-source contributions, or freelance work that proves deep technical expertise.
- Advanced proficiency in React and TypeScript with a refined eye for design details like typography, spacing, and intuitive loading states.
- Based in London and excited to collaborate in-person 5 days a week within a high-velocity, Series A startup environment.
Frontend Engineer at $25M Series A London fintech employer: Jack & Jill
Contact Detail:
Jack & Jill Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Frontend Engineer at $25M Series A London fintech
✨Tip Number 1
Network like a pro! Reach out to people in the fintech space, especially those who work at companies you're interested in. A friendly chat can open doors and give you insights that might just land you an interview.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your React and TypeScript projects. Make sure it’s easy to navigate and highlights your best work. This is your chance to impress potential employers with what you can do!
✨Tip Number 3
Prepare for the chat! If you get a call from Jack or anyone else, be ready to discuss your past projects and how they relate to the role. Think about how your experience can help them simplify complex currency hedging.
✨Tip Number 4
Apply through our website! It’s the easiest way to get noticed. Plus, we love seeing candidates who take the initiative to connect directly with us. Don’t miss out on this opportunity!
We think you need these skills to ace Frontend Engineer at $25M Series A London fintech
Some tips for your application 🫡
Show Off Your Skills: Make sure to highlight your experience with React and TypeScript in your application. We want to see your technical expertise, so don’t hold back on showcasing any side projects or open-source contributions that demonstrate your skills.
Tailor Your Application: Take a moment to customise your application for this specific role. Mention how your background aligns with building polished applications and solving complex UI/UX challenges. We love seeing candidates who take the time to connect their experience with what we’re looking for!
Be Personable: Don’t be afraid to let your personality shine through in your written application. We’re a small team and value collaboration, so showing us who you are can make a big difference. A friendly tone can go a long way!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it makes the process smoother for everyone involved!
How to prepare for a job interview at Jack & Jill
✨Know Your Tech Stack
Make sure you’re well-versed in React and TypeScript, as these are crucial for the role. Brush up on your knowledge of modern frontend practices and be ready to discuss how you've used these technologies in your projects.
✨Showcase Your Portfolio
Bring along examples of your work, whether they’re side projects or open-source contributions. Be prepared to explain your thought process and the challenges you faced while building those applications.
✨Understand the Product
Familiarise yourself with the fintech space and the specific challenges around currency hedging. This will help you demonstrate your understanding of the product and how your skills can contribute to solving real-world problems.
✨Ask Insightful Questions
Prepare thoughtful questions about the company’s vision, the team dynamics, and the tech stack. This shows your genuine interest in the role and helps you assess if it’s the right fit for you.