Manual Functional Test Engineer

Company Details

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Industry: Telecommunications
Description: Tezza Business Solutions Ltd is a "niche” service provider of Software Development, Quality Assurance and Software Testing services. Tezza began its operations as Web Development company in 2000 in Overland Park, Kansas. Since then, we’ve evolved into a Services-oriented company who only engage in P… Tezza Business Solutions Ltd is a "niche” service provider of Software Development, Quality Assurance and Software Testing services. Tezza began its operations as Web Development company in 2000 in Overland Park, Kansas. Since then, we’ve evolved into a Services-oriented company who only engage in Product development as a value-add service to our customers who continue to appreciate our "Customer First” Service Delivery approach. Tezza opened its first office in Kenya in 2009 with a primary goal of building capacity of qualified software development and testing resources to work on outsourced projects from North America. Whilst we are partners and reseller of solutions today, our primary interest is in providing services; the products we sell are sold in conjunction with the services we provide. Since 2009, Tezza has grown in size and reputation with over 150 resources and offices in key 4 East and West African countries - Kenya, Nigeria, Tanzania and Uganda. Tezza has now become the #1 QA and Software Testi View more View less

Job Details

Job Type: Full Time
Workplace Type: On-site
Qualification: Diploma
Job Experience: Mandatory
Job Location: Nairobi County, Kenya
Closing Date: Undisclosed
Salary: Undisclosed
Other Pay: Benefits
Job Category: Telecommunications

Job Description

Role Overview

You will be the hands-on quality engineer for a mobile banking application spanning ten functional areas, from account opening to an AI-powered assistant. Each day you will execute test cases against a fast-moving build, uncover defects early, and help the team understand failure patterns before they reach customers. Your work directly determines whether the app is reliable, usable, and ready for each integration milestone.

Key Responsibilities

  • Run functional, integration, and end-to-end journey tests across all modules, including onboarding, cards, transfers, and the LEO AI assistant.
  • Perform non-security non-functional testing such as reliability, usability and accessibility, compatibility, localization, and data integrity checks.
  • Carry out concurrency and sequencing scenarios, upgrade and migration testing, and chaos or failure injection tests to expose system weaknesses.
  • Test conversational-AI behavior for the LEO assistant, covering different phrasings, edge-case inputs, and safety guardrails.
  • Log every defect with a clear severity level and likely root-cause area, then verify fixes and close them in a timely manner.
  • Take part in daily stand-ups and defect triage sessions, reporting progress and highlighting any blockers that affect test coverage.

Requirements & Qualifications

  • Prior experience testing mobile banking applications or fintech products.
  • Ability to work confidently in a continuously updating build environment with parallel testing activities.
  • At least one member of the testing team must be capable of designing and executing fault-injection experiments and multi-device concurrency setups.
  • Strong hands-on skills in manual test execution, using defect-tracking tools such as Jira, and testing on both iOS and Android devices.
  • Solid understanding of banking domain concepts, including account structures, payment flows, and card operations.
  • Familiarity with non-functional testing concepts and the ability to judge whether an app meets usability, reliability, and compatibility expectations.
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