Modernization Architecture & Technical Framework

Our modernization approach is engineered for enterprise environments running critical, decades-old systems — AS/400, mainframes, monoliths, host screens, ESB/SOAP services, message queues, and legacy HTML/JSP interfaces. We modernize the experience layer while respecting every operational, security, compliance, and integration constraint of your core.

How We Modernize Complex Enterprise Front-Ends

We do not “rebuild the UI” — we restructure the front-end architecture so it can evolve independently of your core systems. The process is based on API mediation, controlled rollout, coexistence with legacy modules, and strict backend compatibility.

  • We decouple the front-end from the core by introducing an integration layer that mediates between modern JSON/REST and legacy protocols (tramas, SOAP, MQ messages, fixed-length structures).
  • We rebuild the UI using React, Angular, or Vue with TypeScript-first standards, ensuring stability, consistency, and predictable behavior in regulated environments.
  • We create a modular front-end architecture designed for partial migrations, microfrontends or progressive rollout — without interrupting operations or modifying your backend.
  • We implement a governance-ready Design System with tokens, accessibility rules (WCAG 2.2 AA), versioning, usage guidelines, and controlled contribution workflows for internal teams.
  • We establish performance budgets and implement advanced optimization (memoization, virtualization, lazy hydration, concurrency scheduling, caching strategies).
  • We integrate CI/CD pipelines with automated testing, contract validation, code scanning, and audit trails required for financial and regulated institutions.
  • The migration is progressive, reversible, and compatible with your legacy systems at all times.

Core Technical Pillars

Modular Front-End Architecture

We define a modular or microfrontend-ready structure that allows your teams to migrate one module at a time. This includes shared libraries, state isolation, routing boundaries, backward compatibility, and a coexistence model with your current channels.

Integration Layer (BFF / Adapter)

We build a Backend-for-Frontend or adapter layer that normalizes communication: REST ↔ SOAP, JSON ↔ tramas, async queues ↔ synchronous requests. This ensures that the new UI works flawlessly even when backend services cannot change.

State, Contracts & Data Consistency

We handle complex enterprise flows with predictable state management (Redux Toolkit, NgRx, Pinia, Zustand). All schemas, contracts, and validations are enforced with TypeScript and shared between squads for long-term maintainability.

Design System & UI Governance

We deliver a corporate Design System built in Figma + Storybook with design tokens, accessibility rules, visual guidelines, and contribution workflows. This ensures that all new modules — whether built by us or your teams — remain consistent and compliant.

Security, Compliance & Policies

We follow OWASP Front-End Security principles, Content Security Policies (CSP), secure session strategies, RBAC guardrails, audit logging, and everything required for banking, PSPs, and government systems.

Observability & Monitoring

Full observability stack: Sentry, Datadog, New Relic, ELK, Grafana. We instrument the new UI to provide error tracking, performance metrics, behavioral analytics, and event logs aligned with your NOC/SOC teams.

Testing & Quality Engineering

We enforce unit testing, integration testing, contract testing, and E2E scenarios using Jest, Cypress, Playwright, Testing Library and Postman/Newman for contract validation. CI/CD pipelines reject builds that do not meet coverage or performance thresholds.

Deployment Without Downtime

We deploy modernized modules using controlled rollouts (feature flags), shadow environments, canary releases and reversible routing rules. The legacy UI and the new UI coexist until the migration is stable.

Delivery Pipeline & DevOps Integration

We integrate with your existing SDLC, DevOps stack, CAB governance and release model. We do not impose a new process — we align to yours.

  • Automated pipelines with GitHub Actions / GitLab CI / Azure DevOps.
  • Versioned environments (dev / QA / UAT / pre-prod / prod).
  • Secure artifact storage (Docker Registry, S3, Artifactory, Nexus).
  • Static asset builds using ESBuild, Vite or Webpack 5.
  • Cloud-ready output (AWS CloudFront, Azure Static Web Apps, GCP Cloud Storage).
  • Performance budgets enforced before promotion to production.
  • Audit logs, traceability and approval gates for regulated industries.

The result: a modern, compliant, high-performance front-end that evolves independently from your core systems — without risk, without downtime, and without rewriting what already works.