Senior QA Engineer, Message Squad

il y a 2 jours

Paris, Paris, France Empresa confidencial Travail à distance Temps plein

Diabolocom builds AI-first, cloud-native contact center infrastructure designed for high availability, low latency, and global scale. As both a software provider and a telecom operator, we combine a fully owned carrier-grade voice backbone with a programmable CCaaS platform that supports real-time, high-volume communications across 60+ countries.

Our architecture integrates proprietary AI models purpose-built for customer interactions and covers data enrichment, intent detection, call summarization, transcription, quality scoring, workflow automation and more. These services run on a modular, service-oriented stack accessible through APIs and engineered for multi-language, multi-region deployments.

We operate a distributed infrastructure optimized for deterministic performance, observability, and resilience, supported by deep CRM integrations, intelligent routing engines, and a high-throughput outbound dialer that enables sub-second decisioning.

A dedicated Diabolocom Research team keeps us at the forefront of technological innovation, designing new proprietary systems—from advanced AI pipelines to telecom optimization—that help our clients gain a competitive advantage in the market.

With more than 20 years of telecom and software engineering experience, Diabolocom offers engineers the opportunity to build and scale enterprise-grade systems that blend AI, cloud infrastructure, and mission-critical communications.

As part of our exponential growth, we are strengthening our internal engineering team and opening a Senior QA Engineer position in our Message Squad.

About the Message Squad

Message Squad develops and enhances services that enable clients to communicate seamlessly across various text-based channels. Originally focused on email, we have expanded to a broader solution that integrates multiple messaging platforms (voicemail, SMS, social network).

QA Strategy

On the QA side, we develop and maintain automated tests using Kotlin and Gherkin. Our test coverage extends across:

- UI tests

- Backend API tests

- RabbitMQ interactions (produce and consume RabbitMQ events to validate integration points)

We strongly believe in a testing pyramid approach: most checks should live close to the code (unit, component, API, contract and integration tests), with UI and end-to-end tests focused on critical user journeys rather than “testing everything through the UI”.

We practice a shift-left approach, involving QA from the earliest stages of feature planning. This ensures we maintain a user-centric perspective, influence implementation details when necessary, and distribute test coverage responsibilities among QA, frontend, and backend teams.

You will:

Co-design test strategies with the team for new features and refactorings.Implement and maintain automated tests in Kotlin at multiple levels.Challenge designs and technical solutions from a risk and testability perspective.Continuously improve our pipelines, tooling, and test reliability.

Technical Stack:

Languages & Frameworks: Kotlin, Spring Boot, CucumberBuild Tool: GradleCI/CD: GitLabBrowser control tool: SeleniumReporting: Allure Report with Allure Server

Our team currently consists of:

3 QA engineers7 backend developers2 frontend engineers1 team lead

What We’re Looking For:

Minimum 6 years of experience, among which at least 3 recent years as a test automation engineer using Java / Kotlin / Groovy / Scala.Strong coding skills in a JVM language (ideally Kotlin or Java), with the ability to read and understand production code, review merge requests, and write clean, maintainable automated tests.Strong system-level and architectural thinking – you understand how services interact, how data flows through the system, and you use this understanding to design an effective test strategy.Hands-on experience building test suites across the testing pyramid (unit, component/service, API, contract, integration, and UI/e2e), and a clear opinion on which level is appropriate for each type of scenario.A mindset opposite to “cover everything with system-level e2e tests”: you prefer fast, reliable checks close to the code, and use e2e tests sparingly for end-to-end risk and critical flows.Experience working with CI/CD pipelines (ideally GitLab CI), test reporting, and quality gates.At least 1 year of experience with Selenium.Experience with UI, API testing, database testing.Critical thinking and a “bug hunter” attitude: you actively look for edge cases, failure modes, and real user behavior, beyond the happy path.High curiosity and willingness to dive deep into how the product and its ecosystem work (infrastructure, messaging, integrations, deployment pipeline)Strong autonomy and leadership potential.Excellent communication skills, proactivity, self-learning.

What We Offer:

A collaborative and innovative team environment.The opportunity to work on cutting-edge distributed communication systems.Real ownership on quality for a core domain of our platform – your decisions on test strategy and automation will significantly influence how safely and quickly we shipCareer growth opportunities within a fast-growing global company.Flexible work arrangements and remote work options.A supportive team that values innovation and knowledge-sharing.

Recruitment Process:

Technical challenge on HackerRank platform to assess general levelQuick review of your background, experience and fit for the projectLive coding interview with Team Lead of the squadTest Strategy interview with the squad QA Lead and Head of QAFinal interview with Alexander, our Head of Software Engineering

At Diabolocom, diversity and inclusion are in our DNA. All qualified applicants will receive equal consideration for employment without regard to color, language, religion, sex, sexual orientation, gender identity, national or social origin, opinion disability, age.

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