At a Glance
- Tasks: Design and build APIs for payments and data security, owning features end-to-end.
- Company: Exciting VC-backed fintech startup in London with a lean, high-performance team.
- Benefits: Competitive salary, impactful work, and the chance to shape product culture.
- Other info: Dynamic environment with opportunities for rapid career growth and ownership.
- Why this job: Join a mission-critical team and make a real difference in global transactions.
- Qualifications: Strong technical skills in full stack development, networking, and data security.
The predicted salary is between 60000 - 80000 £ per year.
Company Description: VC-backed fintech infrastructure startup
Location: London, UK
You will join a high-performance team building core payments infrastructure and data security primitives. This role involves owning the entire product lifecycle from customer discovery to shipping production-grade APIs. You will work across the stack to develop solutions for tokenization, network integrations, and 3D Secure for major global merchants.
Why this role is remarkable:
- Work on mission‑critical infrastructure where security and precision are paramount for global transaction volume.
- Backed by top‑tier VCs with a lean team of approximately 25 people, ensuring high impact and ownership.
- Opportunity to shape the product roadmap and technical culture of a rapidly scaling developer‑first company.
What you will do:
- Design and build developer‑facing APIs and full‑stack primitives for card data security and payments.
- Collaborate directly with customers to understand their payment stacks and debug complex technical integrations.
- Own features end‑to‑end, contributing to everything from backend services and SDKs to technical documentation.
The ideal candidate:
- Deeply technical with strong fundamentals in systems, networks, and distributed infrastructure beyond just frameworks.
- Product‑minded engineer with "founder energy" who prioritises developer experience and impact over simple output.
- Excellent communicator with a high bar for quality in code, API design, and visual documentation.
Required Skills:
- Full Stack Development
- Networking
- Distributed Systems
- Data Security
Languages: English
Product Engineer at VC-backed fintech infrastructure startup employer: Jack & Jill
As a Product Engineer at our VC-backed fintech infrastructure startup in London, you will thrive in a dynamic and innovative environment that prioritises high performance and ownership. With a lean team of around 25 people, you will have the unique opportunity to shape the product roadmap and contribute to mission-critical infrastructure, all while enjoying a culture that fosters collaboration, technical excellence, and significant personal growth.
StudySmarter Expert Advice🤫
We think this is how you could land Product Engineer at VC-backed fintech infrastructure startup
✨Tip Number 1
Network like a pro! Reach out to people in the fintech space, especially those who work at startups. Use platforms like LinkedIn to connect and engage with them. You never know who might have the inside scoop on job openings!
✨Tip Number 2
Show off your skills! Create a portfolio that highlights your projects, especially those related to payments and data security. This will give potential employers a taste of what you can bring to the table.
✨Tip Number 3
Prepare for technical interviews by brushing up on your full-stack development skills. Practice coding challenges and be ready to discuss your thought process. Remember, they want to see how you think, not just the final answer!
✨Tip Number 4
Apply through our website! We love seeing candidates who take the initiative. Tailor your application to highlight your experience with APIs and developer-facing solutions, and let us know how you can contribute to our mission.
We think you need these skills to ace Product Engineer at VC-backed fintech infrastructure startup
Some tips for your application 🫡
Show Your Passion for Fintech:When you're writing your application, let your enthusiasm for fintech shine through! We want to see that you’re not just looking for any job, but that you’re genuinely excited about building core payments infrastructure and tackling data security challenges.
Highlight Your Technical Skills:Make sure to showcase your technical prowess in systems, networks, and distributed infrastructure. We’re looking for someone who can own the product lifecycle, so don’t hold back on detailing your experience with full-stack development and API design!
Communicate Clearly:As an excellent communicator, your application should reflect that! Use clear and concise language to explain your past experiences and how they relate to the role. Remember, we value quality in documentation just as much as in code.
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 this exciting opportunity. Don’t miss out on the chance to shape our product roadmap!
How to prepare for a job interview at Jack & Jill
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of full-stack development, networking, and distributed systems. Be ready to discuss specific technologies you've worked with and how they relate to the role. This will show that you're not just familiar with the concepts but can apply them in real-world scenarios.
✨Showcase Your Problem-Solving Skills
Prepare to share examples of how you've tackled complex technical challenges in the past. Think about situations where you debugged integrations or improved a product's performance. This will demonstrate your ability to own features end-to-end and contribute meaningfully to the team.
✨Communicate Clearly and Effectively
As an excellent communicator, you should practice explaining technical concepts in a way that's easy to understand. Be prepared to discuss your approach to API design and documentation, as this is crucial for a developer-facing role. Clear communication can set you apart from other candidates.
✨Embrace the 'Founder Energy'
This role calls for a product-minded engineer who prioritises developer experience. Show your passion for building impactful products and your willingness to take ownership. Share your vision for how you would shape the product roadmap and contribute to the technical culture of the company.
