CareerPlanSign in

Software Development Engineer in Test (SDET)

Nottingham, Nottinghamshire💼 Full-time🗓 2026-03-31 → 2026-08-07

Core

Develop and execute automated tests to ensure quality and reliability of CPaaS software products, including internal APIs, ETL processes, and public API implementations.

Role type

Software Development Engineer in Test (SDET)

Builds

Automated test suites for messaging platforms, CPaaS APIs, and ETL data pipelines

Domain

CPaaS (Communication Platform as a Service), API testing, ETL

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

SQL, API testing (Postman/Insomnia), automated testing frameworks (NUnit, SpecFlow, Playwright), exploratory testing, C#, regression testing, agile methodologies (TDD, BDD, Scrum, Kanban), defect tracking (JIRA, TFS, Bugzilla, ALM)

Preferred skills

DevOps experience, cloud testing (VSTS, Azure, AWS), transactional messaging knowledge, version control (GIT), CI tools (Jenkins, CircleOne, Azure DevOps), ROI analysis for test automation

Technologies

NUnit, SpecFlow, Playwright, Postman, Insomnia, C#, JIRA, TFS, Bugzilla, ALM, GIT, Jenkins, CircleOne, Azure DevOps, VSTS, Azure, AWS

Responsibilities

Develop and execute automated tests across evolving platforms; Test internal APIs for ETL of customer data; Plan and strategize testing while maintaining traceability matrices; Design and deploy automated performance tests; Monitor and resolve automated test failures within CI pipelines

Seniority

Mid-level, hands-on IC

Sourced via adzuna · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.