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Senior Manual QA Engineer - E2E Testing & API Specialist

IBM

IBM

Quality Assurance, Software Engineering
Guadalajara, Jalisco, Mexico
Posted on Aug 29, 2025
Introduction

In this role, you'll work in one of our IBM Consulting Client Innovation Centers (Delivery Centers), where we deliver deep technical and industry expertise to a wide range of public and private sector clients around the world. Our delivery centers offer our clients locally based skills and technical expertise to drive innovation and adoption of new technology.

A career in IBM Consulting is rooted by long-term relationships and close collaboration with clients across the globe.

You'll work with visionaries across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. Your ability to accelerate impact and make meaningful change for your clients is enabled by our strategic partner ecosystem and our robust technology platforms across the IBM portfolio; including Software and Red Hat.

Curiosity and a constant quest for knowledge serve as the foundation to success in IBM Consulting. In your role, you'll be encouraged to challenge the norm, investigate ideas outside of your role, and come up with creative solutions resulting in ground breaking impact for a wide network of clients. Our culture of evolution and empathy centers on long-term career growth and development opportunities in an environment that embraces your unique skills and experience.

In this role, you'll work in one of our IBM Consulting Client Innovation Centers (Delivery Centers), where we deliver deep technical and industry expertise to a wide range of public and private sector clients around the world. Our delivery centers offer our clients locally based skills and technical expertise to drive innovation and adoption of new technology.

Your role and responsibilities

We are seeking a Manual QA Tester with a strong QA mindset and the ability to quickly ramp up across diverse systems and applications. This person will play a key role in ensuring test coverage across backend and frontend systems while collaborating closely with developers, product owners, and stakeholders.

The ideal candidate should understand product requirements deeply, identify gaps in coverage, and take ownership of test activities across the software development lifecycle.

They will work using standard enterprise tools such as Jira, Confluence, and Postman, and manage access through ServiceNow tickets and cloud-based portals accessed via SLID credentials.

Key Responsibilities

  • Analyze user stories and requirements to understand both functional needs and upstream/downstream impacts
  • Proactively identify missing requirements or potential system impacts that could compromise quality
  • Design, write, execute, and manage manual test cases for multiple applications, including UI, backend microservices, and APIs
  • Maintain and evolve test case repositories using Jira as the primary test case management and documentation tool
  • Collaborate closely with developers to validate features and ensure proper integration
  • Conduct backend testing, including API validation using Postman, database queries, and service-level verifications
  • Support testing for a wide variety of internal applications, including user-facing apps, third-party integrations, and internal microservices
  • Access systems and environments via cloud-based URLs, using their SLID credentials
  • Request additional system or environment access through ServiceNow tickets

Required education
Bachelor's Degree
Preferred education
Bachelor's Degree
Required technical and professional expertise

  1. Strong QA Analytical Mindset
    Ability to think critically, identify gaps, and ensure comprehensive test coverage.
  2. Manual Test Design and Execution Experience
    Proven ability to create and run test cases for UI, backend, and APIs.
  3. API Testing with Postman
    Essential for validating backend services and integrations.
  4. Test Case Management in Jira
    Experience documenting and managing test cases using Jira.
  5. Quick Ramp-Up on New Applications
    Ability to understand complex systems and workflows quickly.

Preferred technical and professional experience

  • Experience with Confluence for documentation
  • Familiarity with database testing and service validation
  • Experience working with cloud-based tools and SLID credentials
  • Submitting/tracking access via ServiceNow
  • Exposure to AWS, Kubernetes, or containerized services
  • Understanding of Sales/Post-Sales flows
  • Experience with Mobile App testing (iOS/Android)
  • Knowledge of deployment pipelines
  • Experience with third-party integrations
  • Exposure to internally developed UI-based applications

ABOUT BUSINESS UNIT

IBM Consulting is IBM’s consulting and global professional services business, with market leading capabilities in business and technology transformation. With deep expertise in many industries, we offer strategy, experience, technology, and operations services to many of the most innovative and valuable companies in the world. Our people are focused on accelerating our clients’ businesses through the power of collaboration. We believe in the power of technology responsibly used to help people, partners and the planet.

YOUR LIFE @ IBM

In a world where technology never stands still, we understand that, dedication to our clients success, innovation that matters, and trust and personal responsibility in all our relationships, lives in what we do as IBMers as we strive to be the catalyst that makes the world work better.

Being an IBMer means you’ll be able to learn and develop yourself and your career, you’ll be encouraged to be courageous and experiment everyday, all whilst having continuous trust and support in an environment where everyone can thrive whatever their personal or professional background.

Our IBMers are growth minded, always staying curious, open to feedback and learning new information and skills to constantly transform themselves and our company. They are trusted to provide on-going feedback to help other IBMers grow, as well as collaborate with colleagues keeping in mind a team focused approach to include different perspectives to drive exceptional outcomes for our customers. The courage our IBMers have to make critical decisions everyday is essential to IBM becoming the catalyst for progress, always embracing challenges with resources they have to hand, a can-do attitude and always striving for an outcome focused approach within everything that they do.

Are you ready to be an IBMer?

ABOUT IBM

IBM’s greatest invention is the IBMer. We believe that through the application of intelligence, reason and science, we can improve business, society and the human condition, bringing the power of an open hybrid cloud and AI strategy to life for our clients and partners around the world.

Restlessly reinventing since 1911, we are not only one of the largest corporate organizations in the world, we’re also one of the biggest technology and consulting employers, with many of the Fortune 500 companies relying on the IBM Cloud to run their business.

At IBM, we pride ourselves on being an early adopter of artificial intelligence, quantum computing and blockchain. Now it’s time for you to join us on our journey to being a responsible technology innovator and a force for good in the world.

IBM is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, neurodivergence, age, or other characteristics protected by the applicable law. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

OTHER RELEVANT JOB DETAILS

All our positions are eligible for people with disabilities PwD or rehabilitated.