Senior Java Software Engineer
V-35238

£75,000 - £110,000 Per Annum

Full Time

Permanent

London, Greater London

IT

Posted 2 days ago

Expires In 26 Days

Job Description

Senior Java Software Engineer – Real-Time Systems | £75k - £115k + 20% Bonus
 
Location: London (Hybrid, 1-2 days per week)
 
Are you an experienced Java Software Engineer looking to take on a hands-on role while mentoring the next generation of top talent? Do you want to work on high-performance, real-time systems that process millions of transactions in milliseconds?
 
We’re recruiting for multiple Senior level Java Software Engineer positions for a leading payments technology consultancy, working with some of the world’s largest financial institutions to redefine the future of real-time payments.
 
This company is setting the bar high, so rest assured, you will be working alongside some of the industries most talented Developers and Engineers.
 
 
The Role
As a Senior Software Engineer, you’ll be at the forefront of building asynchronous, event-driven systems using Java 17+, Spring WebFlux, AKKA, Kafka, and more. You’ll be working fully hands-on in a high-volume, low-latency environment, contributing to architecture and design, while also mentoring and guiding other engineers to raise the technical bar across the team.
 
  • Design and develop high-performance, scalable applications for real-time payments.
  • Lead technical discussions and drive best practices in TDD & BDD methodologies.
  • Optimise applications for high availability, resilience, and scalability.
  • Mentor and support mid-level and junior engineers, fostering a collaborative engineering culture.
  • Work in a highly agile Kanban/Scrum environment, contributing to continuous improvement.
 
 
What We’re Looking For:
  • Expert-level experience in Java 11+ (ideally Java 17) and Reactive Programming (Spring WebFlux, AKKA).
  • Strong knowledge of asynchronous request handling and distributed systems.
  • Proven experience with event-driven architectures and real-time messaging (Kafka, JMS).
  • A strong advocate for Agile methodologies (TDD, BDD) and CI/CD best practices.
  • Mentorship experience, helping to upskill and guide engineers within the team.
  • Experience building high-performance, mission-critical systems (Payments, Banking, or any real-time transactional systems).
  • Excellent soft skills, you’ll be working in a collaborative team with stakeholders from across the business.
 
 
Not from a Banking/Payments background? If you’ve worked on complex real-time systems in other industries, we still want to hear from you!
 
 
What’s in It for You?
  • £75k - £115k salary (depending on experience)
  • 20% bonus (based on both company and personal performance)
  • Work with cutting-edge technology in a high-impact role
  • Shape the future of payments at a global scale
  • Flexible hybrid working (London office, 1-2 days per week)
 
Apply now and be part of the next evolution in real-time payments technology!

If you are interested please apply ASAP. The People Network is an employment agency and will respond to all applicants within three - five working days. If you do not hear within these timescales please feel free to get in touch.

Tyler Ross

Tyler.Ross@Fynitytalent.io

01793 641115

Division 439

The People Network Swindon

15 Pine Court

Kembrey Park

Swindon

SN2 8AD

01793 641115

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