Quality Assurance Engineer (Healthcare)

TL;DR

Quality Assurance Engineer (AWS): Ensuring high quality, reliability, and scalability of backend services in a modern cloud-based environment with an accent on designing, developing, and documenting comprehensive test plans and test cases. Focus on implementing and managing API contract testing and integrating automated test suites into CI/CD pipelines for continuous quality gates.

Location: Hybrid work model in Asunción, Paraguay

Company

Tieto is a leading software and digital engineering services company with global market reach and capabilities, providing mission-critical solutions across various industries through specialized software businesses and consulting.

What you will do

• Partner with product, engineering, and design teams to refine user stories and acceptance criteria.
• Design, develop, and document comprehensive test plans and test cases for new and existing backend services.
• Develop and maintain Postman API tests and automated integration test suites for AWS components (SQS, SNS, DynamoDB, EventBridge).
• Implement and manage API contract testing to validate integrations and ensure data consistency.
• Design, execute, and maintain performance, load, and stress tests for critical backend infrastructure.
• Integrate automated test suites into CI/CD pipelines (GitHub Actions) to establish continuous quality gates.

Requirements

• 5+ years of experience in quality assurance, combining strong manual and automated testing capabilities.
• At least 3 years of hands-on experience testing AWS-based backend architectures using Kubernetes.
• Strong understanding of testing patterns for distributed systems and AWS services (SQS, SNS, DynamoDB, EventBridge).
• Proficiency in Python, Java, or TypeScript for writing and maintaining automated test suites.
• Proven experience designing and implementing automated integration, end-to-end, and component tests.
• Working knowledge of CI/CD principles and experience integrating automated tests into deployment pipelines.

Nice to have

• Experience in the healthcare domain.

Culture & Benefits

• Professional growth and meaningful projects in a growing and future-oriented sector.
• Open culture and strong work-life balance.
• Hybrid work model as part of the company culture.
• Commitment to curiosity, continuous learning, diversity, equity, and inclusion.