Create automated tests using Cypress.io and backend testing tools for API and ETL
Participate in code reviews to ensure code quality and promote knowledge sharing
Contribute to and enhance the existing test automation framework
Conduct POCs to expand non-functional testing frameworks
Deploy tickets to test environments and production using BitBucket pipelines
Work alongside data engineers, developers, and DevOps to improve data deployment processes
Influence and help shape the roadmap for SDET
Coach junior team members
Champion and embed shift-left testing practices within the Data team
Contribute to and evolve Semble's shift-left testing strategy

Requirements

5+ years of professional experience as SDET or Test Automation Engineer
Commercial experience with JavaScript/TypeScript automation frameworks (Cypress is a plus) focusing on backend and API testing
Commercial experience with Python automation frameworks (pytest, pytest-mock; PySpark experience is a plus)
Proven experience in building automation frameworks from scratch
Familiarity with automating E2E tests using POM and BDD syntax
Experience with API testing using an automation framework
Experience with performance testing tools (Artillery or K6 is a plus)
Knowledge of non-functional testing
Exposure to DevOps tools such as Jenkins, BitBucket, DataDog, and AWS cloud infrastructure (S3, Delta, Databricks)
Strong written and verbal communication skills
Experience driving shift-left testing culture in engineering teams
Experience with AI testing, including familiarity with evaluation strategies
French language ability is a welcome bonus but not a ‘must have’.

Benefits

36 days off: 25 holidays + bank holidays + 3 extra days (birthday and ‘feel good’ days)
Company Equity - Everyone is eligible for Semble share options!
Private Health Insurance – covering physical and mental health, as well as dental and optical!
Hybrid & flexible work environment – work from anywhere in the UK, with flexibility to work across Europe.
Get the tech you need - latest MacBook and ergonomic equipment for home office.
Fantastic office space in Central London - barista coffee, tea, fruits, and happy hours.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

automated testingCypressJavaScriptTypeScriptPythonpytestAPI testingperformance testingnon-functional testingshift-left testing

Soft Skills

communicationcoachingknowledge sharinginfluenceteam collaboration