Test Engineer – Integration Platforms (MuleSoft)

djr; Manchester; Hybrid; GBP 42,000 - 50,000; Full time

Job summary

A leading enterprise SaaS platform in Manchester is seeking a Test Engineer to join their team. This hybrid role involves designing and executing test strategies for integration platforms, primarily focusing on MuleSoft-based APIs. The ideal candidate will have strong API testing skills and experience with automation frameworks. Joining this growing team offers an exciting opportunity to influence testing approaches and contribute to high-impact integrations, with clear progression as the platform scales.

Benefits

Hybrid working

Investment in quality and automation

Opportunities for progression

Qualifications

• Experience testing integration platforms, APIs, or middleware, preferably MuleSoft.
• Strong API testing skills using Postman, SoapUI, or similar tools.
• Experience with automation frameworks is a plus.

Responsibilities

• Design and execute test strategies for integration platforms.
• Test MuleSoft-based APIs and integration flows.
• Develop and maintain automated test suites.
• Perform API, regression, and exploratory testing.
• Collaborate with engineers to resolve defects early.

Skills

Testing integration platforms

API testing (Postman, SoapUI)

Test automation frameworks

Programming or scripting experience

Agile delivery environments

Attention to detail

Job description

Test Engineer – Integration Platforms (MuleSoft)

Enterprise SaaS Platform | Central Manchester | Hybrid (2 days onsite)

Location

Central Manchester (Hybrid working – 2 days per week onsite)

Salary

Up to £50,000

Hiring Plan

x2 roles available due to continued team growth.

The Opportunity

Our client is expanding its Integration & Automation capability and is hiring two Test Engineers to support a growing portfolio of enterprise integrations built on MuleSoft.

This role sits within a modern SaaS engineering environment where quality is embedded throughout the delivery lifecycle. You’ll work closely with Integration Engineers, Product, and Platform teams to ensure complex integrations are reliable, scalable, and production-ready.

If you enjoy testing systems that move data at scale, validating APIs, and improving automation frameworks in a collaborative engineering culture, this role offers both challenge and long-term development.

What You’ll Be Doing

• Designing and executing test strategies for integration platforms
• Testing MuleSoft-based APIs and integration flows
• Developing and maintaining automated test suites
• Performing API, regression, and exploratory testing
• Collaborating closely with engineers to resolve defects early
• Driving continuous improvement in test automation and quality practices

Skills & Experience

• Experience testing integration platforms, APIs, or middleware (MuleSoft experience highly desirable)
• Strong API testing skills (Postman, SoapUI or similar)
• Experience with test automation frameworks
• Programming or scripting experience to support automation
• Understanding of Agile delivery environments
• Strong attention to detail and a quality-first mindset

Why Join

• Enterprise SaaS platform with complex, high-impact integrations
• Growing team with real investment in quality and automation
• Hybrid working with a Manchester-based engineering hub
• Opportunity to shape testing approaches for integration services
• Clear scope for progression as the platform scales