Job Description

Location:

London, Greater London, England

Salary:

100k - 110k per year + None

Category

Software Engineering

Sector:

IT and Digital

Contract type

Permanent

Consultant:

Tom Lynch

Senior Java Software Engineer - Real-Time Payments Engineering Fintech - Java 17+, SpringBoot, Kafka, Akka, JMS, MQ, Messaging, Low Latency, Reactive Programming, MongoDB, AWS

We're looking for an experienced Java Software Engineer to join a global Fintech based in South West London. The company develops high-performance technology solutions for leading financial institutions, helping them strengthen and modernise their payments capabilities.


You'll join the core engineering team responsible for building and enhancing a real-time payments processing platform. The work involves designing and developing distributed systems that are highly scalable, resilient, and able to handle large transaction volumes.


The environment is highly agile, with a strong focus on pair programming, TDD and BDD, and you'll have the chance to influence technical decisions and shape how new features are delivered.


Tech environment

Java 17, Spring, Spring Boot Reactive programming with Akka Microservices architecture Kafka, JMS, RabbitMQ, ActiveMQ Docker / Kubernetes, AWS, MongoDB

What we're looking for

Solid hands-on experience with Java 11+ (ideally Java 21) Good understanding of Reactive Programming concepts with Akka, WebFlux, RxJava etc. Experience working with microservices and distributed systems Background with Kafka and JMS related messaging tools Knowledge of multithreading, concurrency, and performance tuning Familiarity with AWS and MongoDB Previous experience in financial services, ideally within payments

Why join

Work on systems used by major global banks Be part of a highly collaborative, engineering-driven culture Focus on real-time, high-throughput systems and modern Java technologies Hybrid working model - 2 days per week in the South London office

If you're passionate about engineering high-quality, real-time systems and want to work with talented engineers in a growing Fintech, we'd love to hear from you.


Sponsorship: Not available