Resumen:
We are seeking a highly experienced QA Sr. Engineer to lead quality efforts for Java-based REST microservices and event-driven systems. This role goes beyond test execution and includes ownership of test strategy, release quality governance, production issue support, and strengthening collaboration between onshore and offshore QA teams.
**Responsabilidades**:
**QA Strategy & Technical Leadership**
- Define and evolve test strategies for microservices and event-driven architectures.
- Design comprehensive manual and automation-ready test coverage for APIs and messaging systems.
- Establish quality gates and release readiness criteria.
- Mentor junior QA engineers and guide offshore QA teams.
**Release Planning & Quality Governance**
- Represent QA in release planning and sprint planning discussions.
- Assess release risk and provide clear go/no-go recommendations.
- Coordinate regression efforts across teams.
- Ensure production deployments meet quality and stability standards.
**Production Support & Troubleshooting**
- Support production issue investigation, including log analysis and data validation.
- Partner with engineering and DevOps teams during incident triage.
- Perform root cause analysis and recommend preventive improvements.
- Improve test coverage based on production defect trends.
**Event-Driven & Backend System Validation**
- Lead testing of systems using AWS SQS, Kafka, Kinesis, ActiveMQ.
- Validate complex message flows, retry mechanisms, and failure scenarios.
- Ensure data consistency across PostgreSQL and MongoDB.




- Validate system resiliency, idempotency, and edge-case handling.
**Offshore-Onshore Collaboration Leadership**
- Improve communication frameworks between onshore and offshore teams.
- Define clear test documentation, handoff standards, and reporting structures.
- Ensure accountability and quality consistency across time zones.
- Conduct knowledge-sharing sessions and cross-team alignment reviews.
**Process Improvement & QA Excellence**
- Identify inefficiencies in QA processes and implement improvements.
- Drive automation readiness and collaborate closely with automation engineers.
- Track and report quality metrics (defect leakage, escape rate, regression coverage).
- Champion shift-left testing and early defect detection.
Calificaciones:
**Education**
Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
**Experience**
- 5-7+ years of experience in backend QA or quality engineering.
- Strong experience testing Java-based REST microservices.
- Proven experience with event-driven systems and messaging platforms.
- Experience participating in release governance and production support.




- Experience working with offshore QA teams.
**Must-Have Skills**
**Technical**
- Deep understanding of REST APIs, HTTP protocols, and JSON validation.
- Strong experience validating event-driven workflows.
- Advanced SQL skills and strong MongoDB query knowledge.
- Experience analyzing logs and debugging distributed systems.
- Familiarity with CI/CD pipelines and release processes.
- Ability to read and understand Java code for test impact analysis.
**Leadership & Process**
- Ability to define QA strategy and testing standards.
- Strong communication and stakeholder management skills.
- Experience improving QA processes and workflows.
- Strong risk assessment and decision-making capability.
- Comfortable presenting quality metrics to leadership.
**Nice-to-Have / Preferred Skills**
- Experience designing automation frameworks or automation strategies.
- Performance or load testing experience.
- Experience with containerized environments (Docker/Kubernetes).
- Exposure to monitoring tools (Splunk, Datadog, CloudWatch).
- Prior experience acting as QA lead for a product or domain.
**Additional Expectations**
- Acts as a quality advocate across the organization.
- Proactively identifies gaps in testing and system resiliency.
- Demonstrates ownership mindset for product quality.
- Drives measurable improvements in QA efficiency and defect reduction.
- Balances hands-on testing with strategic oversight.

📌 Sr. Engineer, QA (Ciudad de México)
🏢 LoJack
📍 Ciudad de México