Developer in Test – API & Mobile Testing Specialist

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.

Requirements

Key Responsibilities

• 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, Spring Boot

• 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

Must-Have Experience

• 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.

Nice to Have

• 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.

Highlights

You’ll be part of a supportive team that encourages growth and offers opportunities to work on exciting projects with leading clients.