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
United Kingdom
Hybrid / Remote Options
Posted