Payments Engineer - Java

Payments Engineer - Java

Full-Time 70000 - 90000 £ / year (est.) No working from home possible
Fynity

At a Glance

  • Tasks: Build high-performance payment systems that power instant transactions for major banks.
  • Company: Leading payments consultancy focused on real-time financial solutions.
  • Benefits: Competitive salary, flexible working hours, and opportunities for professional growth.
  • Other info: Work in an Agile environment with a focus on innovation and collaboration.
  • Why this job: Join a dynamic team and make a real impact in the world of finance.
  • Qualifications: Experience in Java and building scalable, resilient systems.

The predicted salary is between 70000 - 90000 £ per year.

Are you a senior/lead hands-on Engineer who thrives in Banking, Financial Services or Payments environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity to work at the core of real-time payments infrastructure, helping to power instant transactions for some of the world's largest banks. We’re hiring on behalf of a leading payments consultancy delivering mission-critical, event-driven platforms that integrate deeply with bank infrastructure to enable secure, real-time payments at global scale.

What You’ll Be Doing:

  • You’ll play a senior individual-contributor role within a high-performing engineering team, 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.

Payments Engineer - Java employer: Fynity

Fynity is an exceptional employer, offering a dynamic work environment in Hemel Hempstead where you can contribute to vital Defence and National Intelligence systems. With a strong focus on employee growth, we provide opportunities for professional development and skill enhancement, all while fostering a collaborative culture that values innovation and teamwork. Join us to be part of a mission-driven team dedicated to tackling real-world threats, with the added advantage of working in a highly secure and supportive setting.

Fynity

Contact Details:

Fynity Recruitment Team

We think you need these skills to ace Payments Engineer - Java

Java
Asynchronous Programming
Event-Driven Architecture
Low-Latency Systems
High-Throughput Systems
Non-Blocking I/O
Concurrency