Posted Oct 31, 2026

Senior Full-stack QA Engineer

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🧠 Tech Level: Senior

πŸ—£ Language Proficiency: Requires fluent Russian, as part of the team communication is conducted in Russian

🧾 Employment type: Full time

🌍 Candidate Location: Poland,other EU countries, Armenia, Georgia, Kazakhstan

πŸ• Working Time Zone: CET

πŸš€ Start: asap

🧭 Planned Work Duration: Preliminary 3 months with potential for extension

πŸ‘₯ Customer Description:

The customer is a global mobility and urban services platform offering ride-hailing, intercity travel, delivery, and task assistance.

🧩 Project Description:

Data-collection platform spanning a worker mobile application, back office, and backend services.

βš™οΈ Project Phase: Ongoing

πŸ‘¨β€πŸ’»Project Team: frontend, 2 backend, QA, product manager

πŸ’‘ Hard Skills / Must Have:

β€’ Functional, integration, API, and end-to-end testing across onboarding, task processing, data capture, review, earnings, and payouts

β€’ Testing TTL, expiry, reassignment, quotas, targeting, financial flows, privacy, consent, retention, and erasure

β€’ Experience testing financial flows, such as accruals, balances, batch payouts, and reconciliation with third-party payout providers; understanding of data privacy requirements, including consent management, data retention, and erasure.

β€’ Experience testing integrations with internal and third-party services, such as authentication, CRM and push notifications, payout partners, LLM providers, and cloud storage (S3).

β€’ Strong understanding of microservices, event-driven and asynchronous architectures, including retries, timeouts, idempotency, duplicate events, and eventual consistency.

β€’ REST/gRPC API testing and automation with Postman

β€’ Automated testing with Playwright, Cypress, Appium, or similar frameworks

β€’ Troubleshooting using logs, metrics, traces, databases, message queues, SQL/MySQL, Kafka, Grafana, Kibana, and CloudWatch

β€’ Ability to validate consistency across the mobile app (Kotlin), WebView, back office, backend APIs, and distributed services, and troubleshoot partial failures and partner/service outages.

β€’ CI/CD, Docker, AWS, distributed-service testing, test strategy, release validation, and production issue analysis

✨ Hard Skills / Nice to Have:

β€’ Experience testing media capture and upload on mobile devices (photo, voice, video, text), including device fragmentation, permissions, poor or unstable networks, resumable uploads, and on-device validation.

β€’ Experience testing ML/LLM-powered features and validating AI-generated outputs.

πŸ“Œ Responsibilities and Tasks:

β€’ Own test strategy, test planning, and release sign-off for the platform

β€’ Test mobile media capture and upload under real-world device and network conditions

β€’ Verify task lifecycle, quotas, submissions, review workflows, segmentation, and isolation

β€’ Validate financial, compliance, consent, erasure, and audit flows

β€’ Build and maintain end-to-end and API automation in CI, including load testing

πŸ§ͺ Technology Stack: Kotlin, Playwright/Cypress/Appium, Postman, REST/gRPC APIs, SQL (MySQL), Kafka, Grafana, Kibana, AWS (S3, CloudWatch), Docker, CI/CD

πŸ“ž Interview stages:

β€’ English check (15 minutes)

β€’ Internal technical interview (1-1,5 hour)

β€’ Client interview (1 hour)

β€’ Client interview – cultural fit (45 minutes)

πŸ’Ό What we offer

🏒 About

is a family-owned IT staff augmentation team based in Lisbon. We build engineering teams for product companies and IT consultancies across Europe and the US.

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