At a Glance
- Tasks: Own features end-to-end and develop real-time pricing capabilities.
- Company: Join a dynamic fintech company building a cutting-edge payments platform.
- Benefits: Hybrid work model, competitive salary, and opportunities for mentorship.
- Other info: Collaborative team culture with genuine architectural influence.
- Why this job: Make a real impact in the fintech space with ownership and growth potential.
- Qualifications: Strong TypeScript skills and experience in payments or fintech environments.
The predicted salary is between 70000 - 90000 £ per year.
Do you have strong TypeScript skills across both frontend and backend? Have you built production systems within a payments or fintech environment? Are you comfortable with event-driven architecture at scale? Are you looking for a hands‑on senior engineering role in a company building its core payments platform from the ground up? If yes, this could be for you:
We are partnering with a regulated fintech business to appoint a Senior Full Stack Engineer at a pivotal point in their product build. The business is building a payments platform designed to move money faster and more efficiently across borders for UK businesses. The engineering team is small, collaborative and focused on doing things the right way from day one. This is a role with genuine ownership. You will work across the full stack, contributing to architecture decisions as well as hands‑on implementation.
What You Will Do
- Own features end-to-end across backend and frontend
- Contribute to the in‑house transaction and ledger model
- Develop real‑time pricing capabilities and integrate with KYC, KYB and AML providers
- Support infrastructure, CI/CD pipelines and compliance considerations
- Mentor the Mid‑Level Engineer on the team
What We Are Looking For
- Strong TypeScript experience across frontend and backend
- Payments or fintech background
- Experience building event‑driven, high‑volume systems
- Full stack capability including React with TypeScript
- Solid understanding of API design, distributed systems and security
- SST, hexagonal architecture or DynamoDB experience is a plus
- Mentoring experience is welcome but not required
Practicalities
- Location: Canary Wharf, London (hybrid, minimum 2 to 3 days in office)
- Reporting to: Lead Engineer
- Start: As soon as possible
This is a rare opportunity to join a small, talented engineering team at the build phase of a regulated payments platform, with real architectural influence and room to grow.
Senior Full Stack Engineer | FinTech / Payments in London employer: Mostyn Chase
Join a dynamic fintech company at the forefront of revolutionising payments, where your expertise as a Senior Full Stack Engineer will be valued and impactful. Located in the vibrant Canary Wharf, our hybrid work culture promotes collaboration while offering flexibility, and we prioritise employee growth through mentorship and hands-on involvement in architectural decisions. With a focus on building a cutting-edge payments platform, you'll have the opportunity to shape the future of financial transactions while working alongside a talented and supportive team.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Full Stack Engineer | FinTech / Payments in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the fintech space, especially those who might know about opportunities at companies building payment platforms. A personal referral can make all the difference in getting noticed.
✨Tip Number 2
Show off your skills! If you’ve got a portfolio or GitHub with projects showcasing your TypeScript expertise and full stack capabilities, make sure to highlight that in conversations. It’s a great way to demonstrate your hands-on experience.
✨Tip Number 3
Prepare for technical interviews by brushing up on event-driven architecture and API design. Be ready to discuss how you've tackled challenges in previous roles, especially in high-volume systems. We want to see your problem-solving skills in action!
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our team and contributing to our exciting journey.
We think you need these skills to ace Senior Full Stack Engineer | FinTech / Payments in London
Some tips for your application 🫡
Show Off Your TypeScript Skills:Make sure to highlight your strong TypeScript experience in both frontend and backend. We want to see how you've used it in real-world projects, especially in payments or fintech environments.
Talk About Your Experience:Share specific examples of systems you've built, particularly those that are event-driven and high-volume. This will help us understand your hands-on experience and how you can contribute to our core payments platform.
Be Clear and Concise:When writing your application, keep it clear and to the point. We appreciate straightforward communication, so make sure your skills and experiences shine through without unnecessary fluff.
Apply Through Our Website:Don't forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity with our talented engineering team.
How to prepare for a job interview at Mostyn Chase
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in TypeScript, both frontend and backend. Brush up on your knowledge of React and any relevant frameworks or libraries. Be ready to discuss your past projects and how you’ve applied these technologies in real-world scenarios.
✨Understand the FinTech Landscape
Familiarise yourself with the current trends in the payments industry. Knowing about KYC, KYB, and AML processes will show that you’re not just a tech whiz but also understand the business side of things. This can set you apart from other candidates.
✨Prepare for System Design Questions
Expect questions around event-driven architecture and distributed systems. Think through how you would design a high-volume payment system and be ready to explain your thought process. Use examples from your experience to illustrate your points.
✨Show Your Mentoring Side
Even if mentoring isn’t a requirement, it’s a great way to demonstrate leadership potential. Share experiences where you’ve helped others grow or contributed to team success. This shows you’re a team player and can help elevate the whole engineering team.
