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QA Automation Engineer (API & Database Validation)

Nexaminds Mexico, Chihuahua, Mexico

remote
Posted Aug 8, 2026

**Role & seniority: ** QA Automation Engineer (backend/API automation); 3+ years experience

**Stack/tools: **

  • Languages: Java or Python

  • API testing: Postman; Rest Assured or Pytest

  • DB: SQL

  • Testing: automated API tests; end-to-end/multi-service validation; test plans/cases

  • Defect tracking: Jira

  • CI/CD (nice-to-have): Jenkins, GitHub Actions, GitLab CI

  • Cloud (nice-to-have): AWS/GCP/Azure

  • Perf/load (nice-to-have): JMeter/Locust/K6

  • Infra (nice-to-have): Docker/Kubernetes

  • Top 3 responsibilities:

    • Design/develop/maintain automated REST API test suites (schemas, status codes, business logic, data accuracy)

    • Perform SQL database validation to verify data integrity between backend and API responses

    • Run end-to-end tests across multiple distributed services; identify/track/retest defects

  • Must-have skills:

    • Strong Java/Python programming for QA automation

    • Proficiency with REST/HTTP/JSON/XML and API response validation

    • SQL skills for schema and data verification

    • Experience with API test frameworks and automated suite maintenance

    • Agile/Scrum collaboration; CI/CD integration experience (implied)

  • Nice-to-haves:

    • CI/CD test integration using Jenkins/GitHub Actions/GitLab CI

    • Cloud exposure (AWS/GCP/Azure)

    • Performance/load testing (JMeter/Locust/K6)

    • Docker/Kubernetes; microservices/distributed tes

Full Description

Unlock Your Future with Nexaminds! At Nexaminds, we're on a mission to redefine industries with AI. We're passionate about the limitless potential of artificial intelligence to transform businesses, streamline processes, and drive growth. Join us on our visionary journey. We're leading the way in AI solutions, and we're committed to innovation, collaboration, and ethical practices. Become a part of our team and shape the future powered by intelligent machines. If you're driven by ambition, success, fun, and learning, Nexaminds is where you belong. Nexaminds is looking for a QA Automation Engineer to join our engineering team. In this role, you'll play a key part in ensuring system reliability, data integrity, and seamless integration across distributed backend services. You'll design and maintain automated test frameworks, validate REST APIs, perform database testing, and ensure complex end-to-end workflows meet business and technical requirements.

Location: Remote, México

Qualifications we are looking for

  • 3+ years of professional experience as a QA Automation Engineer, with a focus on backend and API automation.
  • Strong programming skills in Java or Python.
  • Hands-on experience with API automation tools and frameworks such as Postman, Rest Assured, or Pytest.
  • Strong proficiency in SQL for backend validation, data integrity checks, and schema verification.
  • Deep understanding of RESTful APIs, HTTP methods, JSON/XML payloads, and response status codes.
  • Experience designing and maintaining automated test suites for API response validation, business logic, and integration flows.
  • Experience testing complex, multi-service workflows across distributed architectures.
  • Experience creating test plans, test cases, and test scenarios based on business and technical requirements.
  • Familiarity with defect tracking and management tools such as Jira.
  • Experience working in Agile/Scrum environments and collaborating with developers, DevOps, and product teams

Job duties

  • Design, develop, and maintain automated test suites for REST APIs, validating response schemas, status codes, business logic, and data accuracy.
  • Perform advanced SQL-based database validation to ensure backend data matches API responses and business expectations.
  • Execute end-to-end tests across multiple services and integration points to ensure system reliability.
  • Develop detailed test plans, test cases, and test scenarios aligned with product requirements.
  • Identify, document, track, and re-test defects in collaboration with development teams.
  • Integrate automated test suites into CI/CD pipelines to enable continuous testing and rapid feedback.
  • Collaborate with developers, DevOps engineers, and product managers to identify quality risks and improve testing strategies.
  • Maintain and improve automated testing frameworks and best practices.
  • Contribute to regression testing, integration testing, and overall test coverage.
  • Support continuous improvement of QA processes and engineering quality standards.

Nice to have

  • Experience integrating automated tests into CI/CD pipelines using Jenkins, GitHub Actions, or GitLab CI.
  • Exposure to cloud platforms such as AWS, GCP, or Azure.
  • Experience with performance and load testing tools such as JMeter, Locust, or K6.
  • Familiarity with Docker or Kubernetes.
  • Experience with automated testing in microservices and distributed systems.
  • What you can expect from us
  • Here at Nexaminds, we're not your typical workplace. We're all about creating a friendly and trusting environment where you can thrive. Why does this matter? Well, trust and openness lead to better quality, innovation, commitment to getting the job done, efficiency, and cost-effectiveness.
  • Stock options 📈
  • Remote work options 🏠
  • Flexible working hours 🕜
  • Benefits above the law
  • But it's not just about the work; it's about the people too. You'll be collaborating with some seriously awesome IT pros.
  • You'll have access to mentorship and tons of opportunities to learn and level up.
  • Ready to embark on this journey with us? 🚀🎉 If you're feeling the excitement, go ahead and apply!
JavaPythonAPI AutomationPostmanRest AssuredPytestSQLRESTful APIsJSONXMLJiraAgileScrumCI/CDBackend TestingData Integritymulti-location

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