Senior Software Engineer In Test, Python

October 9, 2026

Hybrid

Senior

Cambridge, England, United Kingdom

Worth knowing

Mandatory office attendance

Description

A fast-growing public TV streaming company is hiring a Senior Software Engineer in Test (SDET) for its OS QA team, focused on transforming testing through AI and advanced analytics. The role involves designing intelligent test analysis systems, using LLMs and predictive analytics to identify quality gaps, and establishing new standards for test effectiveness beyond simple coverage metrics. The position is hybrid and based in Cambridge, England, with four days a week in the office.

Responsibilities

Design and implement intelligent test analysis systems that identify quality gaps and optimize testing effectiveness
Design systems that collect, analyze, and utilize testing data for continuous improvement of quality processes
Implement systematic regression tracking and processes to prevent their recurrence
Develop new methodologies for measuring and improving testing quality beyond simple pass/fail metrics
Use AI tools for automatic analysis of failures, root cause identification, and test flakiness assessment
Identify and implement architectural patterns that make testing more efficient, maintainable, and aligned with business outcomes

Requirements

Ability to design, implement, and optimize solutions based on LLM, agentic AI systems, and predictive analytics for quality control
Experience working with autonomous test agents capable of independently finding, executing, and adapting test strategies
5+ years of hands-on experience in test architecture and automation system design
8+ years of programming experience in multiple languages, including Python
Proven experience leading initiatives to improve testing effectiveness and reduce production incidents
Knowledge of continuous integration tools (Jenkins/GitLab, TeamCity, AWS) and their optimization for quality gates
Experience analyzing test flakiness, recognizing failure patterns, and automatically identifying root causes
Excellent verbal and written communication skills and ability to influence senior leadership and cross-functional teams
Basic hands-on knowledge of C++
Leadership experience in mentoring engineers and implementing organizational changes in testing practices
Certifications or training in AI/ML or AI testing (e.g., ISTQB AI Testing Foundation)

Conditions

Hybrid work format: teams work in the office Monday to Thursday, with Friday flexible for remote work
Global access to mental health and financial wellness support
Local benefits may include medical insurance (medical, dental, vision), life insurance, accident, disability, transportation, and pension options (401k/pension)
Leave and time off in accordance with local leave policies

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