Full Stack QA Engineer (Java/Kotlin)

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MidZdalnie·WarszawaFull-time

#473565·Dodano wczoraj·2

Źródło: justjoin.it

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Tech Stack / Keywords

QAAQAJava Kotlin AppiumSelenideSelenium

Podsumowanie oferty

Own the test strategy for a data-collection platform supporting end-to-end AI data pipelines. The role covers the worker app, back office, and backend services, including automated testing with Java/Kotlin and API testing.

Wymagania

3+ years of experience as a Full Stack QA Engineer.
Experience in functional, integration, API, and E2E testing across the full user journey: onboarding and consent, task queue, data capture and upload, review, earnings, and payouts.
Automation experience in Java/Kotlin.
Strong experience in API automation (REST and/or gRPC), including tools such as Postman.
Experience working with Selenium/Selenide.
Hands-on experience with Appium.
Understanding of microservices and event-driven architecture: retries, timeouts, idempotency, duplicate events, eventual consistency.
Experience testing financial flows: accruals, balances, batch payouts, reconciliation with third-party payout providers.
Understanding of data privacy requirements: consent management, data retention, erasure.
Experience testing time- and quota-based logic: TTL-based task reservations, expiry and reassignment, volume limits, targeting by country/language/segment.
Ability to investigate issues using logs, metrics, traces, databases, and message queues (Grafana, CloudWatch, Kibana, Kafka, SQL/MySQL).
Experience working with CI/CD, Docker, and AWS-based environments.
Ability to validate consistency across the mobile app, WebView, back office, backend APIs, and distributed services, and troubleshoot partial failures and partner/service outages.
Experience contributing to test strategy, requirements reviews, release validation, and production issue analysis with a focus on business risk.
English at Intermediate+ level or above.

Nice to have:

Knowledge of JavaScript/TypeScript for automation.
Knowledge of Playwright/Cypress.
Experience testing media capture and upload on mobile devices (photo, voice, video, text): device fragmentation, permissions, unstable networks, resumable uploads, and on-device validation.
Experience testing integrations with external services: authentication, CRM, push notifications, payout partners, LLM providers, and cloud storage (S3).
Experience with load and performance testing.

Obowiązki

Own the test strategy for a data-collection platform spanning the worker app (WebView inside the main app), the back office, and backend services, from test plans through release sign-off.
Test media capture and upload in real-world conditions: photo, voice, video, and text across a wide range of Android/iOS devices, poor networks, interrupted and resumed uploads, and on-device pre-checks.
Verify complex business flows and state machines: task reservation and expiry, quotas and campaign auto-stop, submission statuses, review and rework cycles, labeling consensus, and buyer isolation between segments.
Ensure correctness of money and compliance flows: accruals, balances, payout batches and reconciliation, consent versioning and withdrawal, data erasure, and audit trails for every action.
Build and maintain end-to-end and API test automation in CI, plus load testing of the task queue and ingestion under peak traffic (e.g. after mass push notifications).

Benefity

Opportunity to earn up to an additional 1,000 EUR per month, depending on expertise, included in the annual bonus for participating in company activities.
Access to the corporate training portal and its knowledge base.
Certification compensation (e.g. AWS, PMP).
Referral program.
Private health insurance.
Compensation for sports activities.
Corporate events and activities, including parties, pizza days, movies, and access to PlayStation.
Fruits, coffee, and snacks.

Premie

Dofinansowanie szkoleń

Spotkania integracyjne

Ubezpieczenie

Napoje w biurze

Darmowe przekąski

Andersen

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