At CI&T;, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions.

With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy.

We are 8,000 CI&Ters; across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day.

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Responsibilities:• Design and execute test plans and test cases for a new integration/middleware layer connecting a partner portal to internal systems.

- Perform API-level functional, integration, and regression testing.
- Validate synchronous and asynchronous (event-driven) flows, including error handling and retry/dead-letter scenarios.
- Collaborate with the Business Analyst to translate documented business flows into test scenarios.
- Log, track, and verify defect resolution across environments (Development → QA → UAT → Production).
- Support automation of API test suites where applicable.
- Validate security and access-control behavior (authentication, authorization, data segregation).

Requirements:• 5+ years of QA experience,



with a focus on API/backend testing and independent ownership of test strategy.

- Experience testing REST APIs (Postman or equivalent tooling).
- Experience writing and maintaining structured test cases and test plans.
- Familiarity with CI/CD pipelines and testing within a GitLab CI (or equivalent) workflow.
- Experience in mortgage, lending, or financial services.
- Good English communication skills (B2+) — daily collaboration with a US-based team.

Nice to Have:• Experience with automated API test frameworks.

- Experience testing event-driven or asynchronous systems (message queues, notifications).
- Familiarity with security testing practices (OWASP-related checks).

nOur benefits include:

- Premium Healthcare
- Meal voucher
- Maternity and Parental leaves
- Mobile services subsidy
- Sick pay-Life insurance
- CI&T; University
- Colombian Holidays
- Paid Vacations

And many others.

Collaboration is our superpower, diversity unites us, and excellence is our standard.

We value diverse identities and life experiences, fostering a diverse, inclusive, and safe work environment. We encourage applications from diverse and underrepresented groups to our job positions.

📌 [Job-31548] Senior QA Engineer (Colombia)
🏢 CIu0026T
📍 Colombia