Queopius

APIsLaravelMicroservicesConversionAuditPerformance

Backend PHP/Laravel that converts ideas into products

Architecture, APIs, SaaS, technical audits and high-impact landing pages for businesses that need clarity, performance and senior expertise.

Remote from Spain · PHP/Laravel · Product · Conversion · Technical audit

api/routes.php
1<?php23Route::post("/leads", StoreLeadController::class)4  ->middleware(["throttle:api", "signed"]);56final class StoreLeadController7{8  public function __invoke(StoreLeadRequest $request): JsonResponse9  {10    $lead = $this->pipeline->handle($request->validated());1112    LeadQualified::dispatch($lead);1314    return response()->json(["status" => "qualified"], 201);15  }16}

Layered architecture

HTTP / API
Application
Domain
Infrastructure

Product in production

API · lead generation · performance

Excellent

+38%

Requests

99.9%

Availability

98/100

Technical score

Conversion+18.4%

Clear value

Message in seconds

Solid brand

Genuinely premium perception

Stable backend

Built to scale and stay maintainable

Technical SEO

Semantics and performance

Product and backend engineering for a stronger digital presence

I work where a brand moves from looking adequate to feeling genuinely credible. That is where messaging, technical execution and backend architecture build perception, trust and conversion.

I clarify the value proposition, reduce friction and build a backend that can support growth without degrading quickly. The goal is not only a better-looking website, but clearer communication, stronger conversion and a sound foundation for the product or brand to evolve.

Implementation map

Foundation

Solid backend on PHP/Laravel with modular structure and automated testing

Focus

Product, backend, DDD microservices and technical SEO

Location

Spain · remote

Availability

New projects from the next delivery cycle

Tools and brands

Logo PHP

PHP

Backend core

Logo Laravel

Laravel

Backend framework

Next.js

Web architecture

React

Complex interfaces

TypeScript

Scalability

Figma

UI design and visual rhythm

Vercel

Delivery and performance

Tailwind CSS

Visual system

Product thinking

Convert complexity into a clear, useful and decision-oriented narrative.

Backend with sound judgement

Build solid, maintainable services ready to scale without punishing the product.

Premium positioning

Increase perception and confidence with a less generic and more commercially defensible execution.

Services to convert ideas, websites and products into clearer and more marketable systems

Presence, conversion, product and architecture connected with a more serious visual and technical execution.

Essential Website without backend

Simple landing pages and sites for businesses that need a clear, fast and professional presence without building a backend, dashboard or complex functionalities.

Landing pageStatic frontendSEO basicDeploy
See Essential Website

Premium conversion-oriented websites

Landings and corporate sites with editorial design, clear narrative and structure prepared to convert traffic into sales conversations.

DiscoveryCopy UXInterfaceFrontend
See service details

Custom products and dashboards

Complex interfaces for operations, SaaS and internal tools, with design decisions that reduce friction and future debt.

ArchitectureDesign systemFrontend appIntegrations
See service details

Technical consulting and evolution of the technical foundation

Technical diagnosis to convert debt, irregular performance and architectural uncertainty into clear priorities and actionable roadmap.

Technical diagnosisRoadmapRefactor planTechnical SEO
See service details

Backend Audit Laravel

Technical review for Laravel applications in production that need more stability, architectural clarity and real ability to evolve without rebuilding everything blindly.

ArchitectureProject structureControllers, models, services and responsibilitiesAPIs
  • LaravelLaravel
  • PHPPHP
  • RedisRedis
  • MySQLMySQL
  • PHPUnitPHPUnit
  • GitGit
  • DockerDocker
  • OpenAPIOpenAPI
View backend audit Laravel

Technical report

Structured document with findings, context and overall assessment of the current state of the backend.

Prioritized risks

Problems ordered by real impact on stability, maintainability, basic security and product evolution.

Quick wins

Relatively low-cost improvements that can unlock clarity, performance or quality in the short term.

Selected work where the interface had to support business, trust and scalability

Real cases, quick read: context, impact and result without noise.

Trust and Compliance Platform

Complete rethinking of a platform with a focus on credibility, clear onboarding and structure ready for modular growth.

SaaS B2B

Impact

From functional interface to product with value narrative and better operational experience.

Result

Cleaner architecture, better product readability and a solid foundation for enterprise sales.

Next.jsTypeScriptDesign system
See case study

High intent lead capture site

Design and development of a website focused on premium positioning and contact routes with less friction.

Marketing/Conversion

Impact

Simplified narrative, clear CTAs and visual hierarchy focused on decision.

Result

Better reading of the value offered and a more consistent experience between mobile and desktop.

UX StrategyFrontendC.R.O.
See case study

Operational control center

Internal management interface with high-volume views, reusable components, and team-optimized flows.

Internal product

Impact

Less visual noise, better scanning and faster critical actions.

Result

More maintainable internal product and noticeably more efficient daily experience.

ReactHigh density UIComponent architecture
See case study

A short, visual and result-oriented process

Four phases, one clear sequence: decide quickly, build well and launch with less friction.

Diagnosis with criteria

I align objectives, frictions and technical limits.

Decision map

Route design

I define hierarchy and decision flow.

UX route and structure

Solid construction

I build a modular and maintainable base.

Clean technical delivery

Tuned for business

I adjust performance, SEO and conversion.

Scale ready version
Pragmatic approach

Latest ideas published in LinkedIn

Notes and articles about Laravel Health Check, backend audit, technical debt, architecture and real signs of wear in active product.

Curated selection from LinkedIn. Articles are updated from their own source to keep the section stable and fast.

See posts in LinkedIn
Featured image from the article Eloquent Models Too Large published in LinkedIn by Queopius
LinkedIn
Most recent
Laravel Health Check

Eloquent models too large

When Eloquent stops representing data and begins to concentrate queries, business rules, transformations and decisions that should live in other layers.

Laravel Health CheckEloquentTechnical debtArchitecture
Read article

Recent file

Horizontal scroll, without autoplay and with local images.

Featured image from the article Fat Controllers in Laravel published in LinkedIn by Queopius
LinkedIn
Laravel Health Check

Fat controllers in Laravel

When the controller stops coordinating the input HTTP and begins to concentrate validation, business, queries, transformations and side effects.

Laravel Health CheckControllersArchitecture
Read article
Featured image of the article Your application Laravel works but is healthy published in LinkedIn by Queopius
LinkedIn
Laravel Health Check

Your application Laravel works… but is it healthy?

An application can respond in production and still accumulate technical wear and tear that makes each change slower, more expensive, and riskier.

Laravel Health CheckAudit LaravelTechnical debt
Read article
Featured image from the series Laravel Health Check published in LinkedIn by Queopius
LinkedIn
Laravel Health Check

Laravel Health Check: when your application works, but it is already starting to fail internally

Editorial index of the series Laravel Health Check to detect signs of technical wear before they become expensive problems.

Laravel Health CheckBackend Audit LaravelSeries
Read article

Use the arrows, keyboard, or horizontal gesture to scroll through more posts.

Technological stack aimed at robust backend, APIs, quality and scalability

PHP and Laravel as core, testing with PHPUnit, microservices with DDD and delivery pipeline with DevOps focus.

Backend

6 items

  • Logo PHPPHP
  • Logo LaravelLaravel
  • DOADevelopment of API
  • APIApplication programming interface (API)
  • Logo REST APIsREST APIs
  • AFSAPI from Swagger

Frontend and experience

7 items

  • Logo Next.jsNext.js
  • Logo ReactReact
  • Logo Vue.jsVue.js
  • Logo TypeScriptTypeScript
  • Logo Tailwind CSSTailwind CSS
  • Logo BootstrapBootstrap
  • SSSSR/SSG

Architecture

6 items

  • MICMicroservices
  • DDDDDD
  • OOPObject-oriented programming (OOP)
  • SPSOLID principles
  • CCClean Code
  • UMLUnified Modeling Language (UML)

Data

5 items

  • Logo MySQLMySQL
  • Logo PostgreSQLPostgreSQL
  • Logo MongoDBMongoDB
  • RDRelational database
  • Logo RedisRedis

Quality

3 items

  • Logo PHPUnitPHPUnit
  • TDDTDD
  • Logo JestJest

DevOps and delivery

8 items

  • DEVDevOps
  • Logo DockerDocker
  • Logo LinuxLinux
  • Logo JenkinsJenkins
  • Logo GitGit
  • Logo GitHubGitHub
  • Logo GitHub ActionsGitHub Actions
  • Logo VercelVercel

Management and product

4 items

  • Logo JIRAJIRA
  • AMAgile methodologies
  • PMPPMP
  • Logo PostmanPostman

Freelance developer Laravel

Backend in PHP/Laravel for products that need to scale without unnecessary debt.

See page

Microservices with DDD in PHP

Domain architecture to grow with clear boundaries and less coupling.

See page

Testing with PHPUnit in Laravel

Quality foundation to reduce regressions and launch with greater confidence.

See page

If you need to scale backend, improve conversion or raise technical standards, let's talk

Direct conversation, real context and clear next step.

First call to validate objectives, architecture and scope. If there is a fit, we go down to the technical plan and execution.

The reservation is made on Google Calendar. The client can choose a time slot and book a video call.

Social profiles

Queopius | PHP and Laravel backend developer · DDD microservices