QA Test Engineer IR35

Tariff Tel is an innovative SaaS company specialising in
customs classification and trade compliance technology
. We build modern, scalable applications that help businesses reduce the cost and complexity of importing goods through accurate tariff classification and system integrations.

As part of our next phase of growth, we are investing in a new suite of applications built using modern engineering practices, cloud-native tooling, and clean architecture principles.

We are seeking an experienced
QA Test Engineer to play a key role in ensuring the quality, reliability, and usability of our flagship tariff classification systems.

You will work closely with developers, product stakeholders, and leadership, testing features with quick turnaround cycles and providing clear, actionable feedback. This role is focused on
functional and scope testing of active development work, with an eye toward improving overall product quality and readiness for scale.

Our technology stack includes.NET, SQL Server, Angular, and Azure
, supported by
Git Hub Actions, Jira
, and modern Dev Ops practices. Experience in this ecosystem is desirable.

This is a
fixed-term contract
, aligned with the delivery timeline of the product suite.

• Work independently while collaborating closely with developers and stakeholders
• Attend the London office2–3 days per week
• Test new features and enhancements with fast feedback cycles
• Create and maintain:
• Test plans and test cases
• Test scripts and datasets
• Test results, defect reports, and summaries for stakeholders
• Identify functional, usability, security, and performance risks early
• Clearly communicate defects and guide developers to problem areas
• Validate APIs and UI behaviour across environments
• Contribute to building a
  structured product and test documentation library
  , ensuring long-term retention of intellectual property
• Support the transition from
  manual testing toward automated testing
  , where appropriate

• Strong understanding of software testing principles with hands-on experience
• Proven experience in
  manual functional and scope testing
• Solid background in
  API and UI testing
• Good understanding of databases, data structures, and modern development workflows
• Experience working with
  Jira
• Ability to collaborate effectively and constructively with developers
• Experience working with
  Azure, Git Hub
  , and CI/CD pipelines
• Experience designing and maintaining automated test frameworks like Playwright
• Exposure to performance, security, or non-functional testing

• A strong individual contributor with a track record of improving product quality
• Someone who thinks beyond “does it work” and considers
  impact, usability, and risk
• Detail-oriented, well-organised, and committed to documentation
• Motivated by building high-quality products from the ground up

• Relevant QA experience in modern SaaS products
• Availability for a 6-month contract inside IR35
• Ideas on how effective testing can improve product quality and client outcomes

…we’d love to hear from you at