Senior Sdet

September 20, 2026

Hybrid

Senior

Reigate, UK

Description

We are looking for an SDET to join a growing engineering organisation developing market leading InsurTech solutions, with an increasing focus on cloud/SaaS products and modern UX. The role is pivotal in providing technical testing capability within a close-knit Scrum team to ensure products meet agreed levels of reliability, maintainability, usability, and performance. As a Senior SDET you will define test strategies, build and document test environments and frameworks, and drive extensive automation covering all levels of the test pyramid.

Responsibilities

Define test strategies to support the development of major new features or new applications
Design, implement and document test environments and frameworks supporting the agreed strategy
Work with the Product Owner to define User Stories and acceptance criteria
Define technical test plans focused on extensive automation covering all levels of the test pyramid
Develop unit, integration, system and end-to-end tests in an automated fashion
Develop performance, load, stress and soak test solutions
Execute a wide range of functional and non-functional tests, both manual and automated
Review and debug product and test code to find defects or performance bottlenecks
Support the Product Owner to close stories, confirming acceptance criteria and defect fixes
Analyse test data and produce test reports for relevant checkpoints or milestones
Participate in Agile/scrum activities including sprint planning, stand-ups and retrospectives
Participate in software design meetings to ensure testability and best practices are built into product architecture
Investigate new test tools and methodologies and integrate them into continuous integration processes

Requirements

Proven work experience in software quality assurance in technical SDET roles
Significant understanding of software testing concepts and processes: testing levels, methods, types, and test estimation techniques
Experience in building test frameworks from scratch supporting testing at all levels of the testing pyramid
Strong experience developing test automation solutions for web-based products
Experience developing test automation solutions in .NET using C#
Experience testing and developing test automation solutions for distributed systems
Experience building performance test benchmarking solutions to support .NET solutions
Effective communication and teamwork skills for interacting with team members and stakeholders
Natural curiosity with advanced analysis and problem-solving skills and meticulous attention to detail
Ability to work in a fast-paced Agile team and environment
Extensive experience of utilising continuous integration and delivery tooling
Awareness of advances in engineering tooling and practice, especially within the testing discipline
Hands-on experience with Azure Cloud services and deployment of infrastructure using Infrastructure as Code
Experience with containerisation technologies including Docker, ACA and Kubernetes
Experience in chaos engineering and testing tooling
Experience in automated security test tooling
General knowledge of the Insurance Industry
Degree-educated in Computer Science, Engineering, Mathematics or a relevant discipline

Conditions

25 days of annual leave plus one additional day off
Comprehensive health and wellbeing offering including private healthcare, life insurance and group income protection
Regular health assessments as part of the wellbeing package
Defined contribution pension scheme with matched company contributions up to 10%
Hybrid working options
Access to an employee assistance programme
Fully paid volunteer day
Optional perks including electric vehicle car scheme, share scheme and cycle-to-work programme
Dental and optical cover plus critical illness protection

.NETC#CI/CDinsurtech / insuranceAzureDockerKubernetes

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