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Manual / Functional Engineer

Tezza Business Solutions Ltd
Lagos Posted Aug 12, 2026
On-site

About this role

Manual / Functional Engineer

  • Job Type Contract , Onsite
  • Qualification BA/BSc/HND
  • Experience
  • Location Lagos
  • Job Field Engineering / Technical

Role Purpose

  • Executes the functional and non-security non-functional test suite across every module of the UBA Mobile Banking App, from Onboarding and Accounts through Cards, Transfers, and the LEO AI conversational assistant.

Key Responsibilities

  • Execute Functional, Integration, and End-to-End Journey test cases across all 10 application modules.

  • Execute non-security non-functional test categories: reliability, usability & accessibility, compatibility, localization, and data integrity.

  • Execute Concurrency & Sequencing, Upgrade & Migration, and Chaos & Failure Injection test cases.

  • Execute LEO AI Chatbot conversational-AI test cases, including phrasing-variant and guardrail checks.

  • Log defects with accurate severity and root-cause classification; retest fixes promptly.

  • Participate in daily stand-up and defect triage.

  • Required Qualifications & Experience

  • Mobile banking or fintech testing experience.

  • Comfortable executing against a continuously-changing build under a concurrent testing model.

  • At least one team member must be able to design and execute fault-injection and multi-device concurrency test setups.

Required Skills & Tools:

  • Manual test execution, defect-tracking tooling (e.g. Jira), mobile device testing across iOS and Android, banking domain knowledge.

What Success Looks Like:

  • Full functional and non-functional coverage executed on schedule per SIT increment, with defects logged accurately enough that root-cause patterns are visible.

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