SDET

6 Month contract

£425 – £475 per day Outside IR35

London/Hybrid – 2x days a week in London

• Design and develop automated testing frameworks and strategies with Selenium and Playwright using Javascript/Typescript.
• Create and maintain test scripts utilising WebDriver, Selenium, Gherkin, and Cucumber
• Performance testing using JMeter
• Write clear and concise test cases and scenarios using JSON data structures to validate application features.
• Conduct thorough testing of user interfaces, ensuring compliance with HTML and CSS standards.
• Collaborate with developers and product teams to define testing requirements and assist with continuous integration and delivery (CI/CD) practices.
• Utilise Fetch API to automate interactions with web services and validate data flows.
• Perform exploratory testing and contribute to the overall improvement in quality assurance processes.
• Identify and document defects and work closely with engineering teams to drive resolution.
• Mentor junior team members and provide expertise in test automation best practices.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Performance Tester

💼 Permanent | Hybrid | £55,000 – £65,000 + Bonus
📍 Peterborough (3 days onsite)

Are you passionate about delivering exceptional user experiences and ensuring software performs seamlessly at scale? We’re looking for a Performance Tester to join a global technology team, helping to refine and execute performance testing strategies for enterprise-scale applications.

In this role, you’ll work with cutting-edge tools such as LoadRunner, Splunk, and Dynatrace, collaborating with cross-functional teams to ensure systems meet performance, reliability, and scalability targets.

Responsibilities:

• Designing, executing, and analysing performance tests to identify bottlenecks and optimise system performance.

• Working in an Agile environment-participating in daily scrums, prioritising work, and communicating progress clearly.

• Collaborating with development and infrastructure teams to identify and resolve performance issues.

• Using your analytical mindset to interpret test results, metrics, and logs, and provide actionable insights.

• Supporting load and usage model creation to simulate real-world scenarios.

What You’ll Bring

• 3+ years of hands-on experience in performance testing or engineering.

• Proficiency with LoadRunner (VuGen, Controller, and Analysis components).

• Strong understanding of applications built with Microsoft technologies including SQL Server, IIS, .NET Framework, and Windows Server.

• Experience with Splunk and Dynatrace for log analysis and performance monitoring.

• Excellent problem-solving and communication skills, with the ability to influence technical teams.

• A degree in Computer Science, Engineering, or equivalent experience.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Job Title: Automation Test Engineer
Location: Remote / Milton Keynes on occasion
Clearance: SC
Salary: £50 – £55K

Overview:
We’re looking for an experienced Test Engineer to join an Agile team, providing hands-on testing expertise and supporting continuous improvement across functional and non-functional testing. You’ll contribute to best practices, process improvement, and may take on mentoring or team-leading responsibilities.

Key Requirements:

• Strong experience working within an Agile Testing Framework
• Cypress testing experience – essential
• Background in Agile sprint projects using JIRA and Confluence
• Understanding of test management, defect management, and test automation
• Skilled in improving testing processes and applying testing techniques
• Excellent communication and teamwork skills
• Proficient with common business tools (e.g. MS Office)

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Programme Test Lead

London – Largely remote

6-month initial contract – scope to extend

£700 – £800 per day – Umbrella engagement

Sanderson recruitment is currently partnered with a insurance business who require a Programme Test Lead to coordinate testing teams and 3^rd parties across a number of workstreams in a large pricing engine transformation.

• Lead the development and execution of end-to-end test strategies and plans aligned to project objectives.
• Oversee all phases of testing including system, integration, Penetration, performance data and user acceptance testing
• Foster clear and effective communication between testing teams and key stakeholders, including project managers, developers, and business analysts.
• Monitor testing progress, track key quality metrics, and manage defect lifecycles to ensure transparency and timely resolution.
• Uphold compliance with quality standards and industry best practices, proactively identifying and mitigating risks that could impact timelines or deliverables.
• Develop contingency plans to address potential testing issues and maintain delivery confidence throughout the project lifecycle.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.

Your role

We are looking for a Platform Manager to help strengthen and expand a busy, committed team of network professionals. Your role will involve:

• All aspects of maintaining and supporting a small Windows based Live Service Network, with a range of hosted applications
• Provide Level 3rd Line level support and troubleshooting to resolve issues
• Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network
• Assist various departments within the account to maintain network security
• Establishment and adherence of processes, procedures and work instructions
• Ensure accurate records are kept of network components, maintenance activities, network connections and inventory by maintaining appropriate databases
• Provide technical on call support out of hours on a 1 week in 3 basis

Your experience

• Strong knowledge of Windows systems
• Good understanding of networks
• Run and maintained a monthly security patching process
• PKI knowledge

Desirables

• An understanding of how to account for sensitive material
• Maintaining a document library
• Running and understanding daily environment checks

This role will require you to be willing and eligible to undergo a high level of UK security clearance

If you’re interested in the above, apply or reach out to [email protected]

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.