Case Study // 2026

Digital Banking: Dynamic Self-Service Flows on a Modular Architecture

A regional financial institution focused on consumer banking and credit cards set out to accelerate the digitization of its key transactional processes. The goal: enable secure self-service flows for its card customers — balance transfers, express transfers, and transfers to other banks — with a simple experience and parameterization wired directly into the banking core. Andes Development designed and built a web platform with a modular architecture on Laravel that models each flow as a configurable entity, delivering two end-to-end flows in just six weeks.

// The challenge

The bank needed to enable transactional self-service without giving up control, security, or brand consistency. The key challenges were:

  • Complete Self-Service Flows Balance transfers, express transfers, and transfers to other banks — including immediate withdrawal to savings accounts — all from the customer experience.
  • A Dual Requirement A simple user experience on the outside, and on the inside an application capable of creating and adjusting flows dynamically, with strict parameterization tied to the banking core.
  • Corporate Security Standards Compliance with the financial group's security guidelines and corporate UX/UI standards: brute-force attack mitigation, cookie policies, and detailed step-by-step telemetry.
  • Tight Budget and Timeline Early value delivery with room to extend later, on internal infrastructure (Red Hat) and a simple, maintainable DevOps pipeline. This demanded a modular, governed design that would avoid technical debt and ensure functional compliance.

// The technology solution

Andes Development designed a mixed, modular architecture that models flows as configurable entities, letting the bank administer and evolve them from the CMS without deep rewrites — while preserving the mandatory dependencies and parameterization the core requires to minimize operational errors.

  • A Configurable Flow Model Four abstractions make up the platform: Products (group what the customer can manage, such as cards), Blueprints (each flow within a product), Nodes (the sequential steps of each blueprint), and Components (visual and functional pieces — calculators, core calls, validations — embedded in nodes). Every real execution is recorded as an Artifact with all of its step-by-step data.
  • A Modern, Robust Stack A Laravel 12 backend, a PostgreSQL 18 database, a Filament admin panel, and a Vue frontend, served with Nginx on on-premise Red Hat.
  • A CMS with Access Governance Administration restricted by IP and ranges, with MFA and passkeys for administrator authentication.
  • Security by Design reCAPTCHA integration against brute-force attacks, authentication encryption compliant with the group's corporate standards, and CSP compliance (nonce, with unsafe-inline mitigated) to pass banking security evaluations.
  • Telemetry and Measurement A tagging and event system traces every step of the flow, enabling conversion analysis and node-by-node optimization of the funnel.
  • Brand Consistency and Reuse A UI aligned with the bank's corporate transactional design, a cookie banner per its policies, and reuse of existing modules (such as the digital card) to speed delivery and standardize components.
  • Infrastructure and DevOps Installation of the database, Nginx, and application on Red Hat, with a simple deployment pipeline from Bitbucket for fast, controlled updates.

// Results and key wins

Despite the tight budget and timeline, the project delivered critical value early and left the bank with a scalable, self-managed platform:

  • 6 Weeks

    Two critical end-to-end flows (backend and frontend) in production, enabling balance transfers and transfers with immediate withdrawal.
  • 100% Configurable

    The bank creates and adjusts flows — blueprints, nodes, and components — directly from Filament, under controlled business rules and dependencies.
  • Bank-Grade Security

    Access restricted by IP, MFA and passkeys, reCAPTCHA against brute force, and CSP compliance, aimed at the group's security evaluations.

// Conclusion

The dynamic, secure, and manageable flow platform positions the institution to scale its self-service capabilities, add new use cases, and maintain corporate security and experience standards. The modular architecture turns every new flow into a configuration rather than a new build: the bank gains autonomy, step-by-step funnel measurement, and brand consistency — accelerating its digital banking roadmap without tying itself to rewrites or outside vendors.

Direct_Answers

Frequently asked questions

Here we delivered two complete end-to-end flows in a month and a half. That is possible because the architecture models each flow as a configurable entity, so the second flow reuses nearly all of the first one's foundation.

That each self-service flow, balance transfer, express transfer, or transfer to another bank, is an entity configured from the CMS rather than programmed separately. Adding a new flow becomes configuration, not development.

Yes, and that was the project's dual requirement: a simple experience on the outside and strict parameterization tied to the banking core on the inside. The customer sees three steps; the bank keeps every validation and every limit.

Laravel, with the flow logic modeled as configurable entities. The choice reflects the need to iterate quickly on business rules that change, without giving up the controls a financial institution requires.

READY TO ENABLE SELF-SERVICE FOR YOUR CUSTOMERS?

REQUEST A TECHNICAL ASSESSMENT