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03QA & Compliance EngineeringFullstack Engineer
SaaS

Automating certification workflows for payment terminal validation.

A cloud-based platform designed to streamline certification processes for payment terminals. The system provides visibility into test execution, transaction validation, and compliance reporting for international payment schemes.

ReactNode.jsComplianceFintech QAData Visualization

Certification Suites

Visa L20/8
Pass 0
Fail 0
Skip 0
MC Kernel0/7
Pass 0
Fail 0
Skip 0
AMEX L30/9
Pass 0
Fail 0
Skip 0
EMV Contact0/6
Pass 0
Fail 0
Skip 0

Execution Matrix

Compliance State

Executed

0/30

Pass Rate

--

State

Running

Context

Certification processes for payment terminals are critical but often slow and manual. Engineers must validate transaction logs against strict scheme specifications while coordinating across multiple stakeholders. Without centralized tooling, certification cycles can become difficult to track and manage.

Challenge

The main challenge was to transform a fragmented certification workflow into a structured platform capable of orchestrating tests, validating transaction data, and providing real-time visibility to stakeholders involved in the certification process.

Constraints

  • Handle large volumes of transaction logs.
  • Validate data against scheme specifications.
  • Provide clear QA visibility for multiple stakeholders.
  • Generate structured compliance reports automatically.
  • Support real-time monitoring of certification progress.

Approach

How the system was designed

A structured overview of the implementation strategy, from architecture decisions to developer-facing tooling.

Test Suite Orchestration Dashboard

A centralized dashboard was designed to manage and monitor certification test suites, allowing engineers to track execution status and results across multiple devices and configurations.

Transaction Validation Engine

A validation layer analyzes transaction logs and compares them against scheme specifications to identify inconsistencies or compliance issues.

Automated Compliance Reporting

The platform generates structured certification reports, reducing manual documentation work and accelerating the approval process.

Engineering Decisions

Trade-offs, structure, and technical intent

The goal was not just to ship a feature, but to build something maintainable, legible, and credible in a high-constraint environment.

Data-Driven QA Workflows

The platform focuses on structured data pipelines rather than manual validation processes, ensuring consistent results and repeatable certification cycles.

Clear Operational Visibility

Real-time dashboards provide stakeholders with insight into certification progress, test failures, and validation outcomes.

Scalable Architecture

The system was designed to support growing volumes of tests and transaction data without compromising performance.

Outcomes

  • Significantly reduced certification cycle duration.
  • Improved transparency across QA and compliance teams.
  • Reduced manual effort involved in certification reporting.
  • Enabled faster onboarding of new payment terminals.

Metrics

Certification Cycle Reduction

50%

Automated Reports Generated

Hundreds

Supported Payment Schemes

International

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