Backend Developer - Java/Spring Boot - Warwickshire - Permanent

Crimson Limited; Royal Leamington Spa; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A leading technology firm in Royal Leamington Spa is seeking a Backend Developer to design and optimize scalable services and APIs. This hybrid role requires 2-3 days on-site per week and offers competitive compensation. The ideal candidate will have strong Java and Spring Boot experience, along with familiarity in cloud environments and AI-based applications.

Benefits

Hybrid working model

Competitive salary

Qualifications

• Strong experience in backend development using Java and Spring Boot.
• Ability to design and optimize databases for efficient data handling.
• Experience with DevOps tools and cloud platforms is a plus.

Responsibilities

• Develop scalable server-side applications for AI-based solutions.
• Build high-performance APIs for frontend integration.
• Collaborate with teams to deliver cohesive solutions.

Skills

Java

Spring Boot

Microservices architecture

RESTful APIs

MySQL

PostgreSQL

Code quality

JUnit

Mockito

Docker

Jenkins

AWS

GCP

OAuth2

JWT

Job description

Backend Developer - Java/Spring Boot - Warwickshire - Permanent

Hybrid working – this opportunity requires 2-3 days per week on site in Warwickshire.

Competitive salary offering.

Backend Developer required for a leading client based in Warwickshire. You will come on board to design, build, and optimise scalable services and APIs, relating to AI-based applications, ensuring seamless integration with the frontend.

Key skills & responsibilities

• Develop scalable server-side applications using Java Spring Boot and microservices architecture.
• Build secure, high-performance RESTful APIs to support front‑end integration.
• Design and optimise relational databases (MySQL, PostgreSQL) for efficient data management.
• Resolve performance bottlenecks and enhance system scalability and reliability.
• Apply best practices in code quality, testing (JUnit, Mockito), and CI/CD pipelines.
• Collaborate with cross‑functional teams to deliver cohesive, end‑to‑end solutions.
• Familiar with DevOps tools (Docker, Jenkins) and cloud platforms (AWS, GCP).
• Knowledgeable in application security, including OAuth2 and JWT authentication.
• Interested in leveraging AI and automation to improve back‑end processes.
• Interested? Please submit your updated CV to Crimson for immediate consideration.

Crimson is acting as an employment business regarding this vacancy.