We are looking for a Senior Quality Engineer to join our team, focused on safeguarding software quality through testing, automation and robust QA processes. This is a senior, hands-on position: you will define the QA approach that different projects need and take ownership of implementing it yourself, acting as the go-to reference for quality across the teams you support.
What you will work on:
· Provide QA support across different projects, defining the right testing procedures and implementing the tests each one needs.
· Define test strategies and plans for products or projects.
· Lead test automation and its integration into CI/CD.
· Drive quality metrics and continuous improvement.
· Contribute to technical scoping and client proposals..

Requirements
5+ years of professional experience
Experience in software testing (manual and automated)
Experience with test automation frameworks (Selenium, Cypress, pytest or similar)
Strong experience testing REST APIs, microservices and service-to-service integrations, including API contracts and asynchronous workflows.




Experience testing distributed and event-driven systems, including Kafka-based workflows, asynchronous processing, retries, failure scenarios and service dependencies.
Hands-on experience with load, stress and endurance testing for high-volume data ingestion, APIs and distributed services.
Experience validating ETL/data pipelines, data transformations, data consistency, completeness and accuracy across large datasets.
Knowledge of testing methodologies and QA best practices
Familiarity with CI/CD and version control
Strong analytical and problem-solving skills
English level B2+

Nice to have
Experience with performance and load testing tools
Knowledge of API testing (Postman, REST Assured)
Programming skills (Python, Java or JavaScript)
​Familiarity with mobile network KPIs, alarms, OSS concepts and 4G/5G network data structures.

Benefits
Competitive salary, health insurance and Adaptable Compensation Plan as

📌 Quality Assurance Engineer (España)
🏢 Future Connections
📍 España