Backend Developer

Backend Developer

Location: London or Edinburgh - Hybrid – 2 days per week onsite

Start Date: ASAP

Contract Rate: £460 to £540 per day inside IR35

Duration: 6 months initially

Role Overview

Our client is seeking an experienced Backend Developer to design and build scalable backend systems for enterprise-grade platforms within the financial services domain. This role involves working with modern Java technologies, microservices architectures, and cloud‐ready solutions, contributing to high‐volume, high‐performance transactional systems.

Key Responsibilities

  • Design, develop, and maintain robust backend services using Java 9+ and the Spring Framework
  • Build and enhance RESTful APIs and integration layers for enterprise applications
  • Contribute to microservices architectures with a focus on scalability, performance, and resilience
  • Collaborate with product owners, architects, and cross‐functional engineering teams
  • Implement event-driven patterns using messaging or streaming platforms
  • Ensure code quality through unit testing, integration testing, and peer reviews
  • Support deployments and release activities across multiple environments
  • Diagnose and resolve application issues in production environments
  • Maintain adherence to security, performance, and compliance standards
  • Participate fully in Agile/Scrum ceremonies and continuous improvement initiatives

Skills & Experience

Essential

  • 5–10 years of software development experience, including 4+ years of hands-on Java development
  • Strong experience with Java 9+
  • Expertise in Spring Boot, Spring MVC, and Spring Core
  • Proven experience building backend services, APIs, and microservices
  • Strong understanding of OO design principles, patterns, and clean code
  • Experience working in Agile/Scrum environments
  • Excellent problem-solving and debugging skills
  • Ability to work effectively in distributed, multi-team environments

Desirable

  • Experience with SaaS-based architectures
  • Exposure to event-driven architectures (Kafka, JMS, or equivalent)
  • Background in system integration and enterprise messaging
  • Knowledge of cloud platforms (GCP preferred)
  • Familiarity with CI/CD pipelines and DevOps practices

If you have the relevant skills and experience, please do apply promptly to be considered.

Job Details

Company
Queen Square Recruitment
Location
City of London, London, United Kingdom
Hybrid / Remote Options
Posted