At a Glance
- Tasks: Build high-performance payment systems with leading banks and cutting-edge tech.
- Company: Join a dynamic team in a product-led, engineering-first environment.
- Benefits: Competitive salary, annual bonus, and hybrid working options.
- Other info: Collaborate with top engineers in an Agile environment.
- Why this job: Make a global impact by developing real-time payment solutions.
- Qualifications: Strong Java experience and knowledge of asynchronous programming required.
The predicted salary is between 90000 - 115000 £ per year.
Are you a senior/lead hands-on Engineer who thrives in Payments environments? Do you have a background in building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter?
This is a great opportunity to work with some of the world's leading Banks on their real-time payments infrastructure. The ideal person will have a background working on SWIFT, ISO 2002, Open Banking, PSD2, BACS, CHAPS, etc.
What You’ll Be Doing
- You’ll work directly with some of the world's leading banks in their high-performing engineering teams, building asynchronous, message-driven systems designed for scale, resilience, and near-zero downtime.
- Design and implement high-throughput, low-latency systems processing millions of real-time payment events.
- Build event-driven architectures using modern Java and reactive frameworks.
- Work extensively with non-blocking I/O, asynchronous flows, back-pressure, and concurrency.
- Contribute to system and API design, focusing on scalability, fault tolerance, and observability.
- Collaborate closely with architects, engineers, and client teams across Europe.
- Operate in Agile environments (Scrum / Kanban) with a strong engineering culture.
Tech Stack (current & evolving):
- Java 17+, Spring WebFlux, Akka, MongoDB, Kafka, reactive streams, distributed messaging, cloud-native tooling.
What You Bring
- Strong hands-on experience with Java 11+ (ideally Java 17) in production environments.
- Deep understanding of asynchronous and reactive programming models.
- Proven experience with event-driven architectures and real-time messaging (Kafka, JMS, Akka, etc.).
- Solid grasp of distributed systems concepts: concurrency, idempotency, fault tolerance, and resilience.
- Experience building and testing production-grade systems using TDD/BDD and CI/CD pipelines.
- Comfortable working on complex, long-lived systems where performance and reliability are critical.
- NoSQL experience, ideally MongoDB.
Bonus (not essential):
- Experience in banking, payments, or financial systems, or if you’ve built real-time platforms at scale.
What’s In It for You
- £90,000 – £115,000 base salary (DOE).
- 20% annual bonus.
- Work on event-driven, real-time systems with global impact.
- Hybrid working – 1 day a week onsite (more if you prefer).
- Exposure to major international banks and payment networks.
- A product-led, engineering-first environment where technical decisions matter.
Digital Engineer - Quality in London employer: Fynity
Join a forward-thinking company that prioritises innovation and excellence in the Payments sector, offering a dynamic hybrid work environment in London. With a strong focus on employee growth, you will have the opportunity to collaborate with leading banks while working on cutting-edge technologies that drive real-time payment solutions. Enjoy a competitive salary, generous bonuses, and a culture that values your technical expertise and contributions.
StudySmarter Expert Advice🤫
We think this is how you could land Digital Engineer - Quality in London
✨Tip Number 1
Network like a pro! Attend industry meetups, conferences, or even online webinars related to payments and engineering. You never know who you might bump into – it could be your future boss or a colleague who can refer you!
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving Java, asynchronous systems, or real-time messaging. This is your chance to demonstrate your hands-on experience and make a lasting impression.
✨Tip Number 3
Prepare for technical interviews by brushing up on your knowledge of distributed systems and event-driven architectures. Practice coding challenges and system design questions that reflect the tech stack mentioned in the job description.
✨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!
We think you need these skills to ace Digital Engineer - Quality in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experiences that match the job description. Highlight your hands-on experience with Java, asynchronous programming, and any relevant projects in payments or banking.
Craft a Compelling Cover Letter:Use your cover letter to tell us why you're passionate about working in payments and how your background aligns with our needs. Share specific examples of your work with event-driven architectures and real-time systems.
Showcase Your Problem-Solving Skills:In your application, don’t just list your skills; demonstrate how you've used them to solve complex problems. We love engineers who can think critically and adapt to challenges in high-pressure environments.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to see your application and get you into our hiring process quickly. Plus, it shows you’re keen on joining our team!
How to prepare for a job interview at Fynity
✨Know Your Tech Stack
Make sure you’re well-versed in the tech stack mentioned in the job description. Brush up on Java 17+, Spring WebFlux, and Kafka. Be ready to discuss how you've used these technologies in your previous roles, especially in building low-latency, high-throughput systems.
✨Showcase Your Problem-Solving Skills
Prepare to share specific examples of how you've tackled challenges in asynchronous programming or event-driven architectures. Think about times when you had to ensure fault tolerance or resilience in your systems and be ready to explain your thought process.
✨Understand the Payments Landscape
Familiarise yourself with key concepts in the payments industry, such as SWIFT, PSD2, and Open Banking. Being able to speak knowledgeably about these topics will show that you’re not just a techie but also understand the business context of your work.
✨Emphasise Collaboration
Since the role involves working closely with architects and client teams, be prepared to discuss your experience in Agile environments. Share examples of how you’ve collaborated effectively in cross-functional teams to deliver high-quality solutions.
