Payment Gateway Integration

Jan 2026

Role: Full-Stack Developer

Project Link Access to this project is restricted because it runs in an internal environment.
Payment Gateway Integration thumbnail
Tech Stack

Overview

This ongoing project connects BRIX operational data such as stock-related information with a payment gateway flow. It is a newer challenge in the engagement because it moves beyond website and internal content management into transaction-oriented integration work that is still actively being developed.

In Collaboration With: Direct Client and Related Operational Stakeholders

Responsibilities

  • Researched the payment integration domain as a first-time implementation area in this engagement
  • Mapped how operational data such as stock-related context should connect into a payment-oriented workflow
  • Designed and implemented backend logic needed to support transaction-related processing
  • Prepared data flow handling between internal records and payment integration requirements
  • Worked iteratively because the project is still progressing and the integration model continues to evolve
  • Balanced caution and experimentation because this was a newer technical area compared with earlier BRIX work

Outcome

The integration work has started building a more connected foundation between operational data and payment-related processing. Even in progress, it already represents a meaningful step beyond content and website work into transactional system development.

Detailed Breakdown

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Operational data and payment handling were still separated, which limited the ability to move toward a more connected transaction workflow. At the same time, the integration area introduced new technical unknowns because this was the first time I was building this kind of payment-related flow in the BRIX context.

The solution has been to approach the work iteratively: research the payment gateway requirements, map the operational data relationship carefully, then build backend integration logic in stages so the transaction flow can become more connected without rushing into unsafe assumptions.

Data Mapping Flow

01

Review which internal operational records need to participate in the payment-related process.

02

Map the fields and dependencies required to connect those records with the gateway workflow.

03

Prepare backend-side handling so the resulting integration remains structured and traceable.

Integration Flow

01

Study the payment gateway requirements and the request-response pattern needed for integration.

02

Implement transaction-related backend logic carefully in smaller stages.

03

Refine the connection as real operational needs and integration constraints become clearer over time.

This project is still in progress, so the portfolio framing focuses on the integration direction and the type of system thinking involved rather than claiming a finished transaction platform. The work sits at the intersection of internal data modeling, backend processing, and third-party payment integration considerations.

Implementation Flow

01

Operational data structures are reviewed first so the integration does not ignore the realities of stock and transaction-related context.

02

Payment gateway request-response behavior is researched and translated into backend-side handling patterns.

03

The integration is implemented incrementally so validation, data mapping, and transaction flow assumptions can be refined safely over time.

Implementation Details

  • Ongoing backend integration work rather than a fully closed delivery
  • Connects internal operational records with payment-oriented process design
  • Requires careful data mapping between existing records and transaction flow needs
  • Introduces third-party integration concerns beyond earlier website-focused work
  • Built with iterative validation because the requirements continue to evolve
  • Represents a new technical learning track within the same BRIX engagement

Because the project is still active, some implementation details are intentionally generalized and the portfolio copy reflects progress responsibly rather than overselling a finished state.

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