Haystack
← Back to Jobs
Remote
Full time
Technology
AM

Senior Java Engineer - Payments

Anson McCadeLondon🇬🇧United KingdomPosted 31 Aug 2026

Why This Role Stands Out

Advance your career by developing cutting-edge, cloud-based payment platforms for major banking clients, leveraging your expertise in Java, Spring Boot, and AWS within a remote-first, flexible environment. You'll thrive in this role if you are a seasoned Java engineer with ICON IPF experience, eager to contribute to impactful, large-scale projects and collaborate with a reputable technology consultancy. Apply today to seize this exciting opportunity with competitive compensation.

Quick Overview

Seniority
Mid Senior
Employment type
Full Time
Work mode
Remote
Location
London, United Kingdom
Posted
14 hours ago
MicroservicesSpringSpring BootAWSApacheJavaKafka

Job Description

£60,000 TO 80,000 GBP

Onsite WORKING

Location: Central London, Greater London - United Kingdom Type: Permanent

Senior Java Engineer - Payments

UK Wide or Dublin | Remote First | Permanent

We are currently recruiting for an experienced Senior Java Engineer to join a leading technology consultancy delivering large-scale payment transformation programmes for major banking clients.

This is a hands-on engineering role focused on the development and delivery of modern, cloud-based payment platforms. You'll work with experienced engineering teams and banking stakeholders to build highly scalable, secure and resilient payment solutions.

ICON IPF experience is essential for this position.

The Role

As a Senior Java Engineer, you will:
  • Develop and deliver large-scale payment solutions using Java 11, Spring Boot and microservices.
  • Work extensively with ICON IPF within complex payment environments.
  • Design and implement scalable, cloud-based solutions within AWS.
  • Build and integrate asynchronous, event-driven services using Apache Kafka.
  • Work with ISO 20022 payment standards, schemes and payment types.
  • Contribute to technical design, development, testing and deployment across the full software development lifecycle.
  • Work closely with banking clients and technical stakeholders to understand requirements and deliver robust payment solutions.
  • Collaborate with architects, developers, business analysts and wider delivery teams.
  • Support the development of high-quality, maintainable code within modern engineering practices.
About You

We're looking for a Senior Java Engineer who has a strong background in payments and can demonstrate genuine hands-on ICON IPF experience.

You'll ideally have:
  • Extensive commercial experience with Java 11.
  • Strong Spring Boot and microservices experience.
  • Hands-on experience with ICON IPF.
  • Strong AWS experience.
  • Solid experience with Apache Kafka and asynchronous messaging.
  • Strong understanding of ISO 20022, including payment types and schemes.
  • Experience delivering technology solutions for major banking organisations.
  • Strong software engineering fundamentals and experience working within modern cloud architectures.
  • Excellent communication skills, with the ability to work effectively with both technical and non-technical stakeholders.
Desirable
  • 18+ months' experience working with the ICON platform.
  • ICON IPF certification.
  • Experience working across complex banking/payment transformation programmes.
Location & Working Model

This is a remote-first role and candidates can be based anywhere in the UK or Dublin.

Dublin-based candidates will also be expected to attend the client site approximately twice per month.

What's on Offer?
  • Competitive salary depending on location and experience.
  • Up to £75,000-£80,000
  • Flexible, remote-first working.
  • Opportunity to work on complex, large-scale payment technology programmes with major financial institutions.
Interested?

If you're an experienced Java Engineer with genuine ICON IPF payments experience and are looking for your next opportunity within a large-scale banking transformation environment, we'd be keen to hear from you.

ICON IPF experience is essential

Similar jobs