Senior Software Developer in Test (Senior SDET)

DVT
Charing Cross, United Kingdom
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Remote
Charing Cross, United Kingdom

Tech stack

Testing (Software)
Java
API
Amazon Web Services (AWS)
iOS
JIRA
Unit Testing
Code Coverage
Continuous Integration
DevOps
Mobile Application Software
JUnit
Microsoft UI Automation
Nunit
E2e Testing
Test Management
Strategies of Testing
YAML
Openapi
Postman
React
Delivery Pipeline
Grafana
Spring-boot
Vert.x
Gitlab
Kubernetes
Playwright
React Testing Library
JestJS
REST
Api Management
Amazon Web Services (AWS)
Docker
SDET
Jenkins
Programming Languages

Job description

Are you passionate about driving quality through code? DVT is on the lookout for a highly skilled API-focused Developer in Test with deep expertise in contract testing, mobile automation, and unit testing best practices. This role is ideal for someone who thrives in coaching environments, champions shift-left testing, and can influence development teams to adopt robust testing strategies across the stack., * Lead the creation, review, and optimisation of unit, component, and contract tests for APIs and mobile applications.

  • Coach and mentor developers on test design, risk-based testing, and test strategy, with clear articulation of the distinctions between test types.
  • Evaluate test coverage and placement based on risk, code complexity, stability, and historical defects.
  • Drive shift-left testing practices and embed quality early in the development lifecycle.
  • Champion mobile testing using tools like Espresso (Android) and XCUITest (iOS), both at UI and service levels.
  • Build and maintain scalable test automation frameworks for mobile and API layers.
  • Influence and track improvements in test coverage and automation maturity across teams.

Tech Stack

  • Languages & Frameworks: Java, React, Vert.x (primary), Spring Boot (secondary)
  • Mobile Testing: Espresso, XCUITest
  • Contract Testing: Pact, PactFlow, OpenAPI Spec
  • CI/CD & DevOps: GitLab, Jenkins, YAML, Docker, Kubernetes (k9s), AWS EKS
  • Monitoring & Reporting: Grafana, SonarCloud
  • Test Management: Qmetry, Xray, JIRA
  • Nice to have: Kubernetes (k8s), AWS EKS

Requirements

  • Mobile API testing expertise with a mobile-first testing approach
  • Test architecture design
  • Proven experience implementing the test pyramid and shift-left strategies.
  • Strong background in unit and component testing using JUnit/NUnit.
  • Hands-on experience with contract testing for mobile APIs using Pact/PactFlow or OpenAPI Spec.
  • Skilled in configuring SonarCloud for optimal test scanning.
  • Solid understanding of QA principles, with the ability to explain and apply them across test levels.
  • Experience with GitLab, YAML scripting, and Jenkins pipeline creation.
  • UI automation framework development for Android and iOS.
  • Familiarity with accessibility testing and relevant plugins.
  • RESTful service testing using Rest Assured, Postman, and similar tools.
  • Comfortable working in complex data environments., * Experience in the airline domain.
  • Exposure to React testing using React Testing Library (re3/re4).
  • Experience with Playwright for end-to-end testing.
  • AWS cloud services knowledge.

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