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Open to senior full-stack, integration and AI engineering roles · Spain, remote or hybrid

Manuel Bolaños

Full-Stack DeveloperIntegrations & Applied AI

Fifteen years building web platforms end to end. I'm at my best where systems have to talk to each other, and lately that includes putting LLMs into the loop.

15
Years of experience
200+
Projects delivered
40+
Sites in production support
01 — About

About me.

I build web platforms end to end, and I'm strongest where systems have to talk to each other: CRMs, storefronts, payment providers, third-party APIs. Fifteen years in, that has taken me from enterprise billing, ticketing and scheduling software to WordPress and headless platforms for US law firms, leading teams as Technical Lead and Scrum Master along the way. More recently I've been building LLM and agent-driven features into products that are live.

Outside work: hardware and 3D printing, and usually something new I'm learning.

Portrait of Manuel Bolaños

Beyond the keyboard

The habits and side quests that keep the engineering sharp.

Tinkering with hardware

Weekends go into breadboards, motor drivers and the occasional magic smoke.

3D design & printing

Designing and printing my own PETG parts — chassis, mounts, brackets.

Continuous learning

CS50x, C/C++ and robotics — currently heading toward ROS 2 and STM32.

Building in public

Documenting personal builds and sharing what breaks along the way.
02 — Tech stack

Tools I reach for.

From production web apps to LLMs in the loop to firmware on bare metal — organized by where they live in the stack.

Backend

PHPLaravelWordPressOctober CMSMySQLPostgreSQLREST / SOAP / GraphQL

Front-end

JavaScriptReactVueAngularHTML5CSS3Sass (BEM)Bootstrap 5Tailwind

E-commerce

ShopifyVTEXWooCommerce

AI

LLM integrationAI agentsPrompt engineeringClaude CodeMCP

Embedded & IoT

ESP32ArduinoCC++FirmwareSPI / I²CSensors & displaysBTS7960

Tooling & DevOps

Git / Git FlowWebpackGoogle CloudNetlifyLinux / macOS / Windows

Methodologies

Scrum MasterProduct OwnerAgileTechnical leadershipTeam management
03 — Experience

Where I've built.

Full Stack Developer

Dec 2022 – Present
TakeOff Media — Client: Content Pilot · Dallas, Texas, USA
  • Build custom WordPress and headless websites end-to-end — including bespoke themes and plugins tailored to client-specific requirements — owning front-end development with React and JS frameworks alongside back-end and database design.
  • Develop custom property listing experiences with search, filtering and detail views, plus end-to-end viewing scheduling and booking flows that keep availability, appointments and confirmations in sync with third-party reservation systems.
  • Design custom API integration layers on top of WordPress — REST endpoints, GraphQL queries, response normalization and caching — connecting external platforms to both traditional and headless front ends while keeping listing-heavy pages fast on large datasets.
  • Conduct website performance audits and optimizations, improving load times on content-heavy, image and data-rich sites.
  • Collaborate in Scrum ceremonies with developers, tech leads and PMs to scope and deliver features.
  • Provide ongoing support and troubleshooting for live websites, documenting solutions and tracking ticket resolution.
WordPressGenesisPHPJavaScriptReactSassMySQLWebpackREST APIGraphQLAlgoliaSchemaSEOScrumLLMs

Technical & Operations Leader

Nov 2020 – Dec 2022
Existaya.com · Cali, Colombia
  • Led IT operations and a team of developers, acting as Technical Lead and Scrum Master: defined processes, work schedules and performance goals while coordinating delivery across web and UX teams under agile methodologies.
  • Owned the company's CRM practice, delivering custom development on SugarCRM — modules, workflows and business logic — and designing integrations with third-party platforms through custom REST endpoints that connected the CRM to e-commerce stores and internal business systems.
  • Directed marketing automation projects on ActiveCampaign, including custom integrations between the platform and client CRMs to keep contacts, events and sales pipelines in sync.
  • Delivered enterprise software for clients in the automotive, security and healthcare sectors: large-scale billing platforms, ticketing systems and appointment/queue-management systems.
  • Reported progress and metrics to the COO and key stakeholders, managed vendor and client relationships, and contributed to business expansion initiatives (partnerships, acquisitions and corporate alliances).
WordPressPHPJavaScriptAngularReactOctober CMSShopifyVTEXWooCommerceMySQLRESTSugarCRMActiveCampaignElasticsearch

Project Manager / Technical Leader

Jan 2016 – Nov 2020
Existaya.com · Cali, Colombia
  • Managed web projects and a 5-person development team from requirements through delivery.
  • Coordinated Scrum ceremonies and ensured projects met scope, quality and deadlines.
  • Built and maintained solutions across PHP/WordPress, React, Angular and e-commerce platforms.
  • Delivered progress reports and presentations to stakeholders and the COO.
WordPressPHPJavaScriptAngularReactVueOctober CMSShopifyVTEXWooCommerceREST

Web Developer / UX Developer

Feb 2012 – Jan 2016
Existaya.com · Cali, Colombia
  • Designed and built responsive websites and user interfaces (HTML5, CSS3, JavaScript, jQuery, WordPress).
  • Integrated multimedia content and conducted website performance and UX testing.
  • Collaborated with designers, developers and stakeholders to deliver client projects.
WordPressPHPJavaScriptHTMLCSSAngularReactPhoneGapIONIC

Web Developer

Jan 2011 – Dec 2011
EME · Cali, Colombia
  • Developed and maintained websites using HTML5, CSS3, JavaScript, PHP and WordPress.
  • Built user interfaces, integrated multimedia content and tested site performance.
WordPressPHPJavaScriptHTMLCSS
04 — Projects

Client work, AI & embedded.

Production client work — search, integrations and WordPress at scale — alongside a personal build that spans firmware and mechanics.

05 — Contact

Let's talk.

Full-stack, integrations, or an LLM in the loop — happy to hear what you're building.