Senior Manual QA (Big Data)

Lviv - Ukraine

Monthly Salary: Not Disclosed

Posted on: 7 hours ago

Vacancies: 1 Vacancy

Job Summary

N-iX is a global software development company founded in 2002 connecting over 2400 tech professionals across 40 countries. We deliver innovative technology solutions in cloud computing data analytics AI embedded softwareIoT and more to global industry leaders and Fortune 500 companies. Join us to create technology that drives real change for businesses and people across the world.

About the Client
Our client is involved in a large-scale Data Transformation project with a focus on solidifying the foundation of their data operations. They are aiming to ensure that data is accurate consistent and available at critical times to support their business needs.

Key Responsibilities:

Design and execute test strategies for real-time streaming workflows (Structured Streaming Azure Event Hub Topics & Queues).
Validate data products transitioning from monolithic to microservices architecture.
Perform API testing for data services and orchestration layers.
Implement observability checks using Prometheus & Grafana for monitoring pipeline health and performance.
Collaborate with DevOps teams to ensure Kubernetes-based deployments meet quality standards.
Conduct functional integration and performance testing for Azure Functions and orchestration workflows.
Ensure compliance with data governance and SLA optimization initiatives.
Document test cases results and maintain traceability in tools like Jira/Confluence.

Requirements:

QA experience in data engineering or real-time data platforms.
Strong knowledge of streaming technologies (Structured Streaming Kafka Azure Event Hub).
Hands-on experience with API testing (Postman REST Assured).
Familiarity with Kubernetes deployments and observability tools (Prometheus Grafana).
Proficiency in SQL and basic scripting (Python/PySpark preferred).
Experience with Azure Cloud services (Azure Functions ADF Event Hub).
Knowledge of orchestration frameworks (AirFlow preferably) and CI/CD pipelines.

Would be a plus:

Exposure to Iceberg and ClickHouse.
Understanding of Kappa Architecture and Data Mesh principles.
Experience with data product testing in microservices environments.
Familiarity with BI tools (Power BI Qlik).

We offer*:

Flexible working format - remote office-based or flexible
A competitive salary and good compensation package
Personalized career growth
Professional development tools (mentorship program tech talks and trainings centers of excellence and more)
Active tech communities with regular knowledge sharing
Education reimbursement
Memorable anniversary presents
Corporate events and team buildings
Other location-specific benefits

*not applicable for freelancers

Required Experience:

Senior IC