Location: Knutsford (2 / 3 days per week on-site)
Salary/Rate: Up to £450 per day
Start Date: Jan / Feb 2026
Job Type: 6-month contract (Inside IR35 contract)

Company Introduction
We are currently recruiting for a Salesforce full-stack developer with experience in Java, Apex and RESTful API development for an exciting contract at our global client in the finance sector. . The role involves designing scalable Salesforce solutions, building high quality integration's, and contributing to automated testing and CI/CD practices across development workflows.

Required Skills/Experience:
The ideal candidate will have the following:

* 5 years of development experience combining Salesforce (Apex, LWC, Visualforce) and Java.
* Strong experience in RESTful API design and backend service development.
* Hands-on proficiency in OpenAPI (OAS) and API documentation in YAML.
* Strong understanding of unit testing approaches for both Salesforce and Java components.
* Practical expertise with GitLab, branching strategies, and code review workflows.
* Proven experience working with CI/CD pipelines and automated deployment processes.
* Familiarity with integration patterns, data modelling, and relational databases.
* Clear understanding of Salesforce best practices, platform limitations, and performance considerations.

Job Responsibilities/Objectives:

• Design and develop Salesforce applications using Apex, Visualforce, and Lightning Web Components (LWC).
• Build and maintain backend components using Java and related frameworks.
• Develop and document RESTful APIs, ensuring high performance, security, and reusability.
• Create and maintain API specifications using OpenAPI Specification (OAS) / YAML.
• Build integration's between Salesforce and external systems using REST/SOAP APIs or custom integration frameworks.
• Write high-quality, testable code using unit testing frameworks (Apex Test Classes, JUnit, Mockito).
• Manage version control, branching, and code reviews using GitLab.
• Implement and maintain CI/CD pipelines for automated build, test, and deployment processes.
• Collaborate with product owners, architects, and cross-functional teams to translate business requirements into technical solutions.
• Troubleshoot application issues and perform performance optimisations within Salesforce and integrated components.
• Ensure adherence to Salesforce development best practices and compliance with governor limits.

If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.

Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.
Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.