We are seeking a Senior Backend Test Automation Engineer to strengthen quality, automation, and validation for a containerized edge-to-cloud platform running Python services on Linux devices. You will build reliable automated coverage for security-sensitive, failure-prone, and intermittently connected environments. Apply now to help raise the bar on end-to-end reliability!ResponsibilitiesDesign an automation strategy that covers the full device-to-cloud lifecycle across critical workflowsBuild automated test suites for unit, integration, system, end-to-end, resilience, security, and upgrade scenariosValidate containerized Python applications on Linux edge devices, including capture, processing, packaging, encryption, and upload flowsCreate synthetic datasets and fixtures to exercise malformed, partial, duplicated, out-of-order, and oversized file casesVerify data integrity controls, including metadata, checksums, encryption handling, and secure transfer behaviorAutomate authentication and provisioning scenarios, including identity registration, OAuth token flows, and failure conditionsTest behavior under real-world constraints such as intermittent connectivity, timeouts, retries, resume, backoff, and replayValidate idempotency and effectively-once processing expectations across uploads and processing pipelinesAssess observability via audit logging, structured logs, health checks, metrics, and alerting signalsIntegrate automated suites into CI/CD with coverage reporting, quality gates, and promotion checksDefine testability requirements with engineers such as dependency injection, mockable interfaces,



and deterministic boundariesRequirements3+ years in QA/software test engineering with a strong test automation focusProficiency in automated testing with Python (or equivalent) — fixtures, mocking, parametrized tests, integration harnesses, test isolationBackground in testing containerized apps and Linux services — process lifecycle, config, logs, networking, resource constraintsExperience testing REST APIs and distributed device-to-cloud systems — auth, retries, timeouts, failure recoveryExpertise in validating file-processing/sync/upload/gateway workflows where integrity and resumability are criticalStrong understanding of idempotency, replayability, ordering, eventual consistency, and exactly-once semanticsCompetency in testing OAuth2/JWT auth — token expiration, refresh, revocation, secure credential handlingSkills in CI/CD and automated quality gates (Azure DevOps, GitHub Actions, or similar)Knowledge of test coverage practices and enforcing meaningful thresholdsFamiliarity with Docker, as well as cloud services, device management, message brokers, object storage, or KubernetesPractical experience with AI coding assistants (Copilot, Claude Code, Codex, or similar)Upper-Intermediate English (B2)



proficiency for clear collaboration and documentationNice to haveHealthcare tech or regulated-industry experience (HIPAA or similar)Qualifications in testing edge computing, IoT, gateway, offline-first, or fleet-management platformsFamiliarity with pytest, Docker Compose, Linux networking, TLS, AWS, Kafka, OAuth2, REST, device provisioningSecurity testing background — threat modeling, pen-test coordination, secrets management, TPM, secure boot, encrypted storageExperience validating monitoring, alerting, automated remediation, updates, rollback, and disaster recoveryCapability to perform hardware-in-the-loop testing, power-loss/network emulation, bandwidth shaping, physical device labsShowcase of testing DICOM, medical imaging metadata, or clinical data-transfer workflowsExperience with DABs or comparable multi-environment deployment automation, as well as Spec-Driven DevelopmentWe offerInternational projects with top brandsWork with integral teams of highly skilled, diverse peersHealthcare benefitsEmployee financial programsPaid time off and sick leaveUpskilling, reskilling and certification coursesUnlimited access to the LinkedIn Learning library and 22,000+ coursesGlobal career opportunitiesVolunteer and community involvement opportunitiesEPAM Employee GroupsAward-winning culture recognized by Glassdoor, Newsweek and LinkedInEPAM is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.
#J-18808-Ljbffr

📌 Senior Backend Test Automation Engineer (Python) (México)
🏢 Epam Systems
📍 México