Farringdon, Central London£119,600 – £140,400 / yearContractPosted Today
Job Description
Queen Square Recruitment Ltd
London, EC1
£460 - £540/day
Contract
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 Stats for this job Salary comparison: This job National average IT Jobs average London average Salaries The number of jobs in each salary range for all: Receive