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,

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