Hussan جعفر

Flutter-based and native iOS & Android e-commerce food delivery app | 250+ merchant configurations
- Defined and owned the end-to-end QA strategy for a high-scale e-commerce food delivery app, reducing critical defect
escape rate to zero across 12 consecutive production releases.
- Led and mentored a team of 3 QA analysts — establishing testing standards, running QA-focused sprint ceremonies, and
improving team defect-detection consistency within two sprint cycles.
- Eliminated 5 critical pre-production security vulnerabilities by designing OWASP-aligned mobile penetration tests and
implementing iXGuard/DexGuard obfuscation with HMAC-based integrity checks — achieving zero security incidents in
production.
- Accelerated shift-left testing by extending the Appium/TestNG automation framework with merchant-specific mocks and
environment stubs, enabling QA pipeline execution independent of live backend services and cutting regression cycle time by
35%.
- Achieved 98%+ regression pass rates across every release by owning a 300+ test case suite covering Flutter, native iOS,
and Android — functional, exploratory, and usability scenarios included.
- Validated end-to-end order workflows — browsing, checkout, payment, and delivery tracking — across 250+ merchant
configurations using Postman (REST API) and SQL-based data checks, catching data inconsistencies invisible to functional
testing alone.

• Eliminated 5 critical pre-production security vulnerabilities - including reverse-engineering
exposure and transaction integrity failures - by designing and executing OWASP-aligned mobile
penetration tests (OWASP ZAP, Apktool, Hopper Disassembler) across every iOS and Android
release cycle.
• Reduced defect leakage to under 2% per release by owning end-to-end QA metrics reporting -
tracking pass rates, regression coverage, and open defect aging - and presenting sprint
dashboards to product and engineering stakeholders each sprint.
• Hardened payment transaction integrity across 250+ merchant configurations by implementing
iXGuard/DexGuard obfuscation with HMAC-based integrity checks, achieving PCI-DSS-equivalent
data protection with zero security incidents in production.
• Accelerated shift-left testing by building and managing structured test data sets, merchant
specific mocks, and environment stubs that enabled QA pipeline execution independent of live
backend services.
• Sustained a 300+ test case regression suite across iOS, Android, and web - covering functional,
exploratory, and usability testing scenarios - validating unique business logic for each of 250+
merchant configurations and maintaining 98%+ pass rates per release.
• Ran baseline performance and load tests using JMeter against payment gateway endpoints,
establishing benchmarks and flagging threshold breaches before every production release.
• Standardised iOS and Android build configuration across all merchant deployments using Xcode
and Android Studio, cutting manual release preparation errors by 40% per deployment cycle.
• Mentored 3 junior QA analysts in STLC, defect lifecycle management, and Agile ceremonies,
lifting team defect-detection consistency within two sprint cycles.

• Prevented downstream financial data corruption by identifying 8 critical defects before go-live
across ERP procurement, settlement, and reconciliation workflows - validated through SQL
based data integrity checks invisible to functional testing alone.
• Expanded automation coverage by 25% by engineering Selenium WebDriver/TestNG
(Java/Maven) test scripts for recurring ERP workflows, reducing manual re-test effort per sprint
by 30%.
• Enforced PCI-DSS data-access compliance by auditing and verifying role-based access controls
and user permission configurations across all ERP system roles before every production release.
• Established end-to-end test traceability across 200+ test cases in TestRail and Jira - covering
functional, integration, regression, and UAT phases - providing requirement-to-sign-off coverage
for every ERP module.
• Validated REST API integration endpoints across Finance, HR, and Inventory modules using
Postman, confirming correct request/response behaviour, error handling, and data mapping
across 15+ integration touchpoints.
• Ran baseline performance and load tests using JMeter against ERP transaction endpoints,
establishing performance baselines that flagged 3 threshold breaches before go-live.
• Closed 12+ specification gaps per sprint by collaborating with developers, BAs, and
stakeholders during Agile ceremonies, preventing defects before test execution.

Odoo ERP — financial and operational modules: Accounting, Purchase, Inventory, Sales, CRM & HR | ESAF Small Finance Bank
— web & mobile banking application (Odoo-based ERP)
- Delivered UAT sign-off across 6 quarterly release cycles by leading end-to-end UAT execution for Accounting, Inventory, and
Purchase modules — guiding business users through real workflow scenarios and validating outcomes against business
requirements.
- Eliminated 8 critical pre-go-live defects by developing comprehensive UAT test plans, test scenarios, and scripts from
business requirements — preventing downstream financial data corruption across Accounting and Inventory workflows.
- Built a 200+ test case traceability matrix in Jira and TestRail, mapping every UAT scenario to a business requirement and
achieving zero coverage gaps across 6 ERP modules — reducing audit documentation effort by ~20%.
- Closed 12+ specification gaps per sprint by partnering with functional consultants and stakeholders to identify gaps between
business requirements and system functionality before UAT execution — cutting mid-sprint rework significantly.
- Validated cross-module financial data integrity across Purchase-to-Inventory, Sales-to-Invoicing, and CRM-to-Sales pipelines
— identifying integration defects invisible to isolated functional testing.
- Enforced role-based access control across 50+ Odoo user profiles, verifying permissions aligned with business rules and
financial audit standards.
- Executed end-to-end UAT for ESAF Small Finance Banks Odoo-based web and mobile banking application — validating
core banking workflows including account management, loan processing, and digital transaction flows against regulatory and
business requirements.
- Coordinated UAT sign-off with ESAF business stakeholders across multiple banking modules, ensuring all functional
scenarios — including fund transfers, balance enquiries, and statement generation — met acceptance criteria before each
release.
- Identified and logged 15+ critical banking workflow defects during ESAF mobile application testing — covering session
handling, OTP authentication, and transaction reconciliation — preventing potential customer-facing failures at go-live.
- Collaborated with ESAFs compliance team to validate data privacy and access control requirements across the mobile
banking platform, ensuring alignment with RBI guidelines and internal audit standards.
- Tested cross-platform compatibility of the ESAF banking mobile application on iOS and Android devices — identifying UI/UX
inconsistencies and functional gaps across screen sizes and OS versions.

• Achieved 95%+ developer acceptance rate on 120+ logged defects across Mortal Kombat
Mobile by writing precise, reproducible bug reports with full platform specs, severity ratings,
and step-by-step reproduction paths in Jira.
• Reduced uncaught release issues by expanding edge-case and exploratory test coverage across
character combat, in-app purchase payment flows, and online leaderboard transactions on
Android and iOS.
• Delivered consistent on-schedule release sign-off across a two-year engagement by designing
and owning structured regression test plans for every post-fix validation cycle on Android and
iOS.

- Achieved 95%+ developer acceptance rate on 120+ defects logged in Jira by producing precise, reproducible bug reports
with full severity ratings — delivering on-schedule release sign-offs across a two-year engagement.