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Engineering Capabilities

Distributed Backend Architecture & Full-Stack Systems.

I build high-concurrency APIs with Python & FastAPI, engineer enterprise web applications with Zoneless Angular SSR, integrate headless commerce with Medusa.js v2, and manage containerized cloud infrastructure on Linux VPS.

Distributed Backend Architecture & APIs

Architecting high-throughput, strictly-typed backend services and data persistence layers. I utilize Python with FastAPI and Pydantic for asynchronous request handling and rigorous schema validation, alongside Node.js microservices. Data layers are designed with relational integrity (PostgreSQL/MySQL), optimized caching (Redis), and deterministic automated testing to guarantee stability under high concurrent loads.

Asynchronous API & Type Contracts

Strict Pydantic schemas, dependency injection, and async I/O ensuring robust request validation.

Relational & Caching Topology

PostgreSQL relational modeling, Redis caching layers, and connection pooling for predictable latency.

FastAPI / Python 3.12

# Typed async endpoint with Pydantic validation

@router.post("/v1/orders/dispatch", response_model=OrderResponse)

async defdispatch_order(

payload: OrderCreateSchema,

db: AsyncSession = Depends(get_db),

redis: RedisClient = Depends(get_cache)

):

order = await orderService.process(payload, db)

await redis.set_cache(f"order:{order.id}", order)

return OrderResponse.from_orm(order)

Status: 200 OKIllustrative Example

Enterprise Full-Stack Web Applications

I leverage the power of Angular to build responsive web applications, Single Page Applications (SPAs), and Progressive Web Apps (PWAs). My focus is on strict typing, modular architecture, and load speed. Utilizing modern Angular Signals, standalone components, and full Server-Side Rendering (SSR) with hydration, your platform achieves exceptional Core Web Vitals while providing a fluid, zero-overhead user experience (see my Angular vs React architectural audit).

Zoneless State & Signals Reactivity

Granular signal graphs eliminating Zone.js runtime overhead for optimal frame rates.

SSR & Event Replay Hydration

Server prerendering and seamless client hydration for early first-contentful paint.

Headless Commerce & Custom Engine Integration

Architecting decoupled, extensible commerce backends via Medusa.js v2 backed by Angular SSR storefronts to provide complete data ownership and eliminate platform transaction locks. I integrate payment gateways (Stripe, PayPal), automated webhook pipelines, multi-region pricing, and tailored admin management hubs (analyze custom billing differences in my Medusa.js vs Shopify cost breakdown).

Medusa.js v2 Core Integrations

Custom merchant backend API setup offering total database and transactional autonomy.

Payment Workflows & Webhook Automation

Direct integration with Stripe and custom fulfillment hooks with zero proprietary platform taxes.

docker-compose.prod.yml
Healthy

# Production container isolation topology

services:

api:

image: ghcr.io/org/backend-api:prod

restart: always

depends_on: [ postgres, redis ]

web-ssr:

image: ghcr.io/org/angular-ssr:prod

ports: [ "4000:4000" ]

proxy:

image: nginx:alpine

volumes: [ "./nginx.conf:/etc/nginx/nginx.conf" ]

Nginx SSL: AutomatedDeploy: Coolify CI/CD

Cloud Infrastructure & DevOps

Managing secure, reproducible deployments using Docker containerization, multi-stage builds, and self-hosted Linux VPS environments. I configure reverse proxies (Nginx), automate SSL certificates, set up rate-limiting defenses, and implement continuous deployment pipelines via Coolify and Git webhooks (inspect real-time telemetry on my VPS Telemetry Dashboard).

Multi-Stage Docker Pipelines

Lightweight, secure container images optimized for minimal memory and fast boot times.

Self-Hosted Linux & Reverse Proxying

Nginx reverse proxying, automated Let's Encrypt SSL, and Coolify Git deployment webhooks.

Structured Process

How we will work together

From initial technical scoping to production release, every milestone is structured for total transparency and predictability.

Step 01

Discovery & Audit

Codebase profiling, architecture mapping, and performance bottleneck analysis.

Architecture Specification Doc
Step 02

Agile Modernization Sprints

Zoneless Signals refactoring, dependency isolation, and state optimization.

Weekly Working Builds
Step 03

Deployment & SLA Support

CI/CD pipeline automation, Play Store / App Store release, and continuous monitoring.

Production System & Documentation
Engagement Models

Professional Engagement Models

Structured engineering partnerships tailored to your system architecture, timelines, and technical requirements.

Architecture Review & Audit

Engagement TypeTechnical Assessment

In-depth evaluation of existing codebases, performance bottlenecks, API schemas, and security posture with an actionable delivery roadmap.

  • Full Codebase & Dependency Audit
  • Core Web Vitals & Runtime Profiling
  • API Schema Contracts & Security Review
  • Comprehensive Actionable Roadmap
Timeline: 1–2 Weeks
Core Engineering

Custom System Development

Engagement TypeMilestone-Based Sprints

End-to-end full-stack or backend engineering delivering production-ready applications with deterministic testing and automated deployments.

  • Python/FastAPI Backend & PostgreSQL Design
  • Zoneless Angular SSR Frontend Platform
  • Docker Containerization & VPS Deployment
  • Deterministic Testing & CI/CD Setup
Timeline: Scoped Milestone Sprints

Technical Advisory & Retainer

Engagement TypeOngoing Partnership

Dedicated engineering partnership for growing platforms requiring continuous backend optimization, infrastructure reliability, and architecture evolution.

  • Continuous System Optimization & Scaling
  • VPS Infrastructure Maintenance & Backups
  • Priority Code Review & Architecture Guidance
  • Direct Technical Lead Advisory
Timeline: Monthly Dedicated Retainer

Need a tailored scope or architectural assessment? Discuss your project requirements →

Core Principles

Engineering Principles & Delivery Standards

Direct technical collaboration with a focus on maintainability, explicit architecture, and measurable performance.

Direct Technical Partnership

Direct communication with the engineer designing and implementing your architecture, ensuring zero translation loss from concept to production.

Explicit Architecture

Strict boundaries between UI, business logic, API validation, and data persistence layers to prevent technical debt and simplify ongoing maintenance.

Performance by Design

Optimized load times, efficient resource utilization, and modern reactivity (Signals, async I/O) baked in from day one rather than patched on later.

Data Sovereignty & Control

Self-hosted infrastructure and containerized workloads that give you full ownership of your data, schemas, and operational environment.

Medusa.js v2 Trade-offs

Headless commerce offers immense flexibility, but requires robust engineering. Understand the core architectural compromises before migrating.

Total Control & Customization

Complete freedom to design modular APIs, custom checkout flows, and specialized data models without vendor lock-in. Ideal for complex B2B logic and custom storefronts.

Infrastructure Responsibility

Unlike managed SaaS platforms, you are entirely responsible for hosting, scaling, securing PostgreSQL databases, Redis caching, and continuous deployment.

Transaction Economics

No forced subscription fees or per-transaction platform taxes. You only pay for your raw VPS infrastructure and standard payment gateway processing rates.

Operational Complexity

Requires a dedicated engineering team for maintenance, updates, security patching, and integrating third-party marketing tools that normally come pre-built in SaaS ecosystems.

Supported Technical Ecosystem

Python / FastAPI
Angular SSR
PostgreSQL
Docker & Linux
Medusa.js v2

Frequently Asked Questions

In-depth technical answers regarding architecture, delivery standards, and engagement models.

I build strictly-typed, asynchronous backends primarily using Python with FastAPI and Pydantic, alongside Node.js microservices. APIs feature explicit boundary validation, asynchronous database I/O with PostgreSQL and Redis caching, and automated contract testing to maintain predictable latency and zero unhandled exceptions under heavy concurrent loads.

By removing Zone.js and embracing Angular Signals with standalone components, change detection runs granularly only where state changes occur. Combined with Server-Side Rendering (SSR) and incremental event replay hydration, applications deliver optimized initial page loads, optimal Core Web Vitals (LCP, INP, CLS), and excellent search engine indexability.

Medusa.js v2 provides a modular, customizable commerce engine that runs on self-hosted infrastructure (PostgreSQL + Node.js) with zero proprietary subscription fees. Coupled with a custom Angular SSR storefront and direct Stripe integration, you maintain complete data sovereignty, customized checkout workflows, and total ownership of your customer database.

Production applications are containerized with multi-stage Docker builds for minimal image footprints, orchestrated via Docker Compose, and deployed on Linux VPS nodes using Coolify or Nginx reverse proxies with automated SSL renewal, rate limiting, and continuous Git webhook pipelines.

Ready to build something robust?

Partner directly with an experienced technical engineer who understands the full stack from backend API architecture to frontend user experience.
Direct Line: WhatsApp