Senior Developer

Sellick Partnership; Manchester; Hybrid; GBP 65,000 - 85,000; Full time

Job summary

Sellick Partnership is seeking a Senior Developer to join an established software business. The role focuses on backend development using Java and Spring, with a strong emphasis on TDD and automated testing within an Agile team.

You will collaborate with product specialists, UX designers and Test Analysts to deliver robust software. The position offers a hybrid work pattern: remote with one day per month onsite in Manchester.

Qualifications

• Backend development with Java and Spring in production systems.
• Experience implementing TDD and automated testing.
• Experience working in Agile teams (Scrum/XP).
• Strong collaboration, communication and problem-solving.
• Experience with AWS and cloud-native or serverless solutions.
• CI/CD experience including Jenkins.
• Familiarity with Docker, Kubernetes and IaC tools.
• Exposure to React and TypeScript is a plus.

Responsibilities

• Design, develop and maintain backend applications with Java and Spring.
• Collaborate with product, UX and Test Analysts to translate requirements.
• Apply TDD, automated tests and CI to deliver quality software.
• Contribute to technical design decisions and solve complex problems.
• Participate in pair programming and code reviews.
• Help improve development practices, performance and maintainability.

Skills

Java

Spring framework

TDD

AWS

React

TypeScript

CI/CD

Jenkins

Docker

Kubernetes

Terraform

Terragrunt

Tools

Jenkins

Docker

Kubernetes

Terraform

Terragrunt

Job description

Location: Remote, with one day per month onsite in Manchester

We're recruiting a Senior Developer to join an established software business building and improving products for a growing customer base.

This role has a strong backend focus, using Java and Spring to deliver reliable, maintainable software. You'll join a collaborative Scrum team that values technical ownership, knowledge sharing and continuous improvement.

Experience working in a test-driven development (TDD) environment is essential.

The role

• Design, develop and maintain backend applications and services using Java and Spring.
• Work closely with product specialists, UX designers and Test Analysts to turn customer requirements into effective technical solutions.
• Apply TDD, automated testing and continuous integration to deliver high-quality software.
• Contribute to technical design decisions and solve complex engineering challenges.
• Participate in pair programming and code reviews, sharing knowledge and supporting other developers.
• Help improve development practices, application performance and maintainability.

What we're looking for

• Strong commercial experience in backend development using Java and the Spring framework.
• Proven experience working in a TDD environment, including writing automated tests as part of the development process.
• Experience working within Agile teams, with an understanding of Scrum and XP practices.
• A collaborative approach to pair programming, code reviews and problem-solving.
• Strong communication skills and the ability to explain technical ideas clearly.
• The initiative to take ownership of technical challenges and contribute to the wider team’s development.
• AWS services and cloud-native or serverless application development.
• CI/CD tooling, including Jenkins.
• Docker, Kubernetes and infrastructure-as-code tools such as Terraform or Terragrunt.
• Exposure to React and TypeScript.

You'll have the opportunity to influence technical decisions, develop your expertise and contribute to new features and products within an established engineering team.