Backend Developer - (SD - 3)

OneShot AI; City Of London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A software development company is seeking a Backend Developer with expertise in Java and Spring Boot. The successful candidate will build scalable backend services, write clean code, and collaborate with cross-functional teams in an Agile environment. Additional experience with REST APIs and CI/CD practices is essential. Strong problem-solving skills are required for this role.

Qualifications

• 5+ years of experience in backend development with Java and Spring Boot.
• Solid knowledge of REST APIs and microservices architecture.
• Familiarity with CI/CD practices and debugging.

Responsibilities

• Build scalable backend services using Java & Spring Boot.
• Write clean, testable, modular code.
• Participate in Agile ceremonies and collaborate with cross-functional teams.

Skills

Backend development

Java

Spring Boot

REST APIs

Microservices

CI/CD pipelines

Debugging

Git

Agile

Tools

JUnit

Postman

Docker

AWS

GCP

Job description

Responsibilities

Technical Development

• Build scalable backend services using Java & Spring Boot.
• Write clean, testable, modular code.
• Participate in design discussions and code reviews.
• Contribute to evolving microservices architecture.

Code Quality & Testing

• Write and maintain unit/integration tests (JUnit, Postman).
• Support CI/CD pipelines and production-readiness.
• Collaborate with QA for comprehensive test coverage.

Collaboration & Agile

• Work with cross-functional teams to deliver features.
• Participate in Agile ceremonies (sprints, retros, demos).
• Estimate tasks and meet sprint goals.

Learning & Tools

• Use LLMs/AI tools to boost efficiency.
• Stay updated with new tech and suggest improvements.

Requirements

• 5+ years backend dev (Java, Spring Boot).
• Solid knowledge of REST APIs, microservices, Git, and CI/CD.
• Familiar with JUnit, Postman, and Agile practices.
• Strong debugging and problem-solving.
• Basic frontend (React/Angular) exposure.
• Docker, AWS/GCP familiarity.
• Understanding of secure coding & performance tuning.