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Senior back-end engineer with 25 years of experience building and running PHP, Symfony and Laravel systems. I have delivered API-driven platforms for US federal agencies, international e-commerce at scale and the financial and energy sectors, with a focus on reliability, security and performance. I turn complex workflows into maintainable services: REST APIs, event-driven integrations, caching, CI/CD and Docker/AWS delivery. I have led engineering teams, owned incident response and patching, and cut integration delivery time while keeping uptime high. Based in Spain, working remotely across Europe and the US. English, Spanish and German.…Senior back-end engineer with 25 years of experience building and running PHP, Symfony and Laravel systems. I have delivered API-driven platforms for US federal agencies, international e-commerce at scale and the financial and energy sectors, with a focus on reliability, security and performance. I turn complex workflows into maintainable services: REST APIs, event-driven integrations, caching, CI/CD and Docker/AWS delivery. I have led engineering teams, owned incident response and patching, and cut integration delivery time while keeping uptime high. Based in Spain, working remotely across Europe and the US. English, Spanish and German.

Eric Maag

Back-End Developer, Web Developer, Full Stack Developer, +7

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Senior back-end engineer with 25 years of experience building and running PHP, Symfony and Laravel systems. I have delivered API-driven platforms for US federal agencies, international e-commerce at scale and the financial and energy sectors, with a focus on reliability, security and performance. I turn complex workflows into maintainable services: REST APIs, event-driven integrations, caching, CI/CD and Docker/AWS delivery. I have led engineering teams, owned incident response and patching, and cut integration delivery time while keeping uptime high. Based in Spain, working remotely across Europe and the US. English, Spanish and German.…Senior back-end engineer with 25 years of experience building and running PHP, Symfony and Laravel systems. I have delivered API-driven platforms for US federal agencies, international e-commerce at scale and the financial and energy sectors, with a focus on reliability, security and performance. I turn complex workflows into maintainable services: REST APIs, event-driven integrations, caching, CI/CD and Docker/AWS delivery. I have led engineering teams, owned incident response and patching, and cut integration delivery time while keeping uptime high. Based in Spain, working remotely across Europe and the US. English, Spanish and German.

Available to hire

Senior back-end engineer with 25 years of experience building and running PHP, Symfony and Laravel systems. I have delivered API-driven platforms for US federal agencies, international e-commerce at scale and the financial and energy sectors, with a focus on reliability, security and performance.

I turn complex workflows into maintainable services: REST APIs, event-driven integrations, caching, CI/CD and Docker/AWS delivery. I have led engineering teams, owned incident response and patching, and cut integration delivery time while keeping uptime high.

Based in Spain, working remotely across Europe and the US. English, Spanish and German.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Beginner

Language

English

Fluent

Spanish; Castilian

Fluent

German

Fluent

French

Intermediate

Italian

Intermediate

Work Experience

Back-end Developer at QMR Rewards via Coderland

December 1, 2025 - February 1, 2026

Designed and delivered B2B SaaS rewards platform API integrations (third-party loyalty/payments) using contract-first API design and AI-assisted scaffolding. Built Symfony services for point accrual, redemption flows, and partner payout webhook processing, aiming for zero payment errors across delivered integrations. Reduced integration delivery time by ~30% and supported high availability engagement outcomes.

Backend Developer at CQM Rewards · Coderland Canarias SLU

December 1, 2025 - February 1, 2026

PHP/Symfony/MySQL backend development for a B2B loyalty and rewards SaaS platform. Designed and implemented REST APIs and integrated third-party payment services. Delivered Jira-managed Agile sprint work including feature development and defect fixes.

Senior Software Developer at Set Eureopean Innovation Sourcing

July 1, 2025 - November 1, 2025

Built PHP/Symfony REST APIs and backend services for an end client, implementing post-checkout survey trigger workflows integrated with Operapms and HubSpot across contacts and deals. Implemented a data transformation layer mapping property system events to CRM objects in near real-time.

Senior Software Developer at Set Europa Innovation Sourcing

July 1, 2025 - November 1, 2025

PHP backend and REST API development including a post-checkout survey integration connecting Opera PMS with HubSpot. Implemented full field mapping across contacts and deals, including edge-case handling to ensure correct synchronization.

Freelance Back-end Developer at Hike & Foxster

January 1, 2025 - March 1, 2025

Architected and delivered a hotel management and reservations system from scratch using PHP/Laravel and MySQL. Covered room inventory, dynamic pricing, and multi-property bookings; shipped to production in ~10 weeks using Cloud deployment acceleration. Implemented concurrency-safe booking conflict resolution via database-level low-locking to prevent double booking, with integrated Operapms for near real-time inventory sync and automated conflict detection.

Freelance Backend Developer at Hike & Foxster

January 1, 2025 - March 1, 2025

Built a multi-property hotel management and reservation system from scratch in PHP/MySQL. Implemented room inventory, dynamic pricing, Opera PMS real-time sync, and an availability conflict-resolution engine to prevent double-bookings.

Independent Consultant & Platform Developer at statichex.dev

February 1, 2024 - December 1, 2024

Provided consulting and platform development for client engagements and internal tooling across DevOps and engineering responsibilities, including Kubernetes certification-focused work and Linux Academy/CNCF-aligned completion.

Senior Backend Developer at SIGNA SPORTS UNITED

February 1, 2024 - February 1, 2024

Led a backend development team of 4 senior engineers, architected middleware for inventory control, tax compliance, and international trade regulations across 10+ countries, and spearheaded an internationalization initiative that reduced translation costs by 40% annually. Developed scalable microservices with Symfony, connected in-house systems to external services, and built interfaces for sales processing and multi-currency payment gateways. Established CI/CD pipelines, automated large-scale data migrations, and delivered an ML-driven translation hub to improve localization efficiency by 35%.

Senior Backend Developer at Signa Sports United

February 1, 2024 - September 25, 2025

Integrated middleware solutions for inventory control, tax compliance, and international trade. Led internationalization efforts for subsidiary sites, built scalable microservices with Symfony, Redis, MongoDB, and RabbitMQ, and implemented CI/CD pipelines using Bitbucket, Bamboo, Docker, and Kubernetes.

Senior Backend Engineer at Sigana Sports

January 1, 2023 - February 1, 2024

Led architecture and delivery of an event-driven microservices platform processing ~50,000 product records across chain reaction/outfitter team sports and related sites. Managed and mentored 6 senior engineers; handled hiring, performance reviews, and technical guidance. Delivered an ML-based translation hub using DeepL, improving translation accuracy (~90%), reducing manual effort (~40%) and saving ~€150K annually; implemented confidence-threshold validation and dead-letter queue routing. Owned CI/CD in Docker and Kubernetes via Bamboo, improving app load times (~30%) and batch throughput (~50%). Integrated Stripe and PayPal payment flows and automated large-scale data structuring using PHP and Python.

Senior Backend Developer at Signa Sports United

January 1, 2023 - February 1, 2024

Integrated middleware solutions for inventory control, tax compliance, and international trade; led i18n for subsidiary sites; developed scalable microservices and CI/CD pipelines; automated large-scale data structuring and created a translation hub for ML-driven localization.

Senior Developer at NURO MEDIA

January 1, 2023 - January 1, 2023

Developed and maintained PHP-based backend applications and RESTful APIs, achieving 99.5% uptime and supporting 500K+ monthly users. Optimized database queries, reduced API response times by ~45%, implemented comprehensive automated testing with PHPUnit (code coverage from 35% to 82%), and led feature development from requirements to deployment.

Senior Developer at Nuro Media

January 1, 2023 - September 25, 2025

Developed and maintained PHP-based backend applications and APIs, integrated third-party services, and resolved 90%+ of reported bugs within SLA timelines. Implemented automated testing (PHPUnit) and maintained databases (MySQL/MariaDB) with Doctrine ORM.

Senior Developer at Nuro Media

October 1, 2021 - January 1, 2023

Developed and maintained PHP-based backend applications and APIs; integrated third-party services; improved performance and stability; implemented automated testing with PHPUnit and managed MySQL/MariaDB data handling with Doctrine ORM.

Senior Consultant at HYVE

July 1, 2021 - July 1, 2021

Led full development lifecycles for startup projects, delivering 3 MVPs on time within a Scrum-based environment. Collaborated with cross-functional teams to define architecture choices and technology stacks, ensuring high performance and maintainability.

Lead Technology Manager at INNOVATIVE LEARNING SOLUTIONS

March 1, 2021 - March 1, 2021

Managed technology infrastructure and digital presence; integrated payment gateway to boost transaction processing efficiency by 30% and reduce payment failures by 60%. Led an Odoo ERP rollout with payroll integration and customized Moodle LMS, while implementing RBAC security controls and a 3-2-1 backup strategy to ensure 99.9% data availability.

Volunteer at Washington DC PHP Group

December 31, 2020 - September 25, 2025

Spearheaded group logistics, secured partnerships with 10+ sponsors, and mentored 50+ developers, reducing deployment errors in community projects and fostering a collaborative learning environment.

Volunteer at DrupalGovCon, PHPWorld

December 31, 2020 - September 25, 2025

Coordinated technical conferences, managed logistics, AV setup, and organized BOF sessions; regularly contributed as a PHP speaker and community mentor to share knowledge on Drupal and PHP best practices.

Lead Technology Manager at Innovative Learning Solutions

October 1, 2020 - March 1, 2021

Managed corporate website promotions, implemented Odoo payroll gateway integration, configured Moodle for enrollment/attendance/grading, and conducted a security audit with a 3-2-1 backup strategy to ensure 99.9% data availability.

Independent Consultant at statichex.dev

January 1, 2006 - Present

Federal and enterprise engagements across high-availability systems, security incident response, and API-driven workflows. Examples: migrated 12 PHP/Drupal subsites across three US colocation centers with automated MySQL master/slave replication and Varnish caching, achieving 99.9% uptime and $150K+ annual savings while cutting DR time by 65%. Conducted solo breach recovery by restoring backups, patching 50+ vulnerabilities, and upgrading deprecated modules within 48 hours, recovering 95% of critical data. Built API-driven registration systems for events (500+ attendees) and unified content via CMS deployments to reduce admin/content overhead.

Consultant Senior Backend Engineer at NOAA

January 1, 2006 - Present

Led the Drupal migration across 3 colocation centers; designed a fault-tolerant infrastructure; automated MySQL master/slave replication and Varnish caching to improve disaster recovery readiness and uptime.

Senior Backend Engineer – Independent Consultant at Independent Consultant (Remote)

January 1, 2006 - November 24, 2025

Provided specialized backend engineering and DevOps consulting to federal agencies, NGOs, and international organizations. Notable projects include NOAA Drupal migration & high-availability infrastructure across 3 colocation centers, IBI cybersecurity remediation with backup restoration, OIDA API-driven conference registration system, and multi-site CMS unification for the Philippines Embassy Consular Network.

Senior Backend Engineer & Independent Consultant at Independent Consultant

January 1, 2006 - November 10, 2025

Provided backend engineering and DevOps consulting to federal agencies, NGOs, and international organizations. Notable engagements included NOAA Drupal migration and high-availability infrastructure across 3 colocation centers, zero data loss during migration, a 65% reduction in disaster recovery time, and 99.9% uptime; security remediation for IBI; API-driven systems for OIDA conferences; and multi-site CMS unification for the Philippines Embassy Consular Network. Implemented caching, CDN integration, and automation to cut deployment times and labor costs.

Consultant Senior Backend Engineer at Independent Consulting (Remote)

January 1, 2006 - Present

Led multiple high-impact Drupal/PHP projects across government and enterprise clients. NOAA Drupal Migration & Replication: migrated 12 Drupal subsites to three colocation centers, automated MySQL master/slave replication, and implemented Varnish caching, delivering 99.9% uptime and reducing deployment time per site. International Biochar Initiative: cybersecurity hardening, backup restoration, and patching 50+ vulnerabilities to secure 95% of critical data and extend system lifespan. Optoelectronics Industry Development Association: API-driven conference registration with tiered access and zero payment errors. Philippines Embassy CMS Unification: centralized CMS Made Simple framework for 18 consulate microsites, cutting content deployment time by 30% and saving $10k/year in training.