Adrian Pucheta

Tech Lead & DevOps Engineer @ Independent / Self-Employed

About

Full-Stack Engineer with 3.5+ years of experience designing, building and deploying complete software systems in production. I work as an independent developer, delivering end-to-end solutions for clients — from system architecture and backend APIs to infrastructure deployment and maintenance. ▸ Backend: Java 21/Spring Boot 3 · Node.js/Express · REST APIs · Keycloak/OAuth2 ▸ Frontend: React 19 · Next.js · TypeScript · Tailwind CSS ▸ Mobile: React Native/Expo — Android apps in production ▸ Databases: PostgreSQL · MySQL · Redis · ChromaDB — multi-tenant schemas ▸ Infrastructure: Docker (32+ containers) · Nginx · Terraform · Ansible · 6 Linux VPS servers (Contabo Europe) · Cloudflare · Tailscale VPN ▸ AI: Claude AI · Gemini · Ollama · LangChain · RAG pipelines I don't just write code. I architect, deploy, monitor and maintain complete systems independently — from zero to production. Based in Drogheda, Ireland. Open to relocation within the EU. Actively seeking full-time opportunities in Poland, Luxembourg or Germany.

Country

Ireland

City

Drogheda

Industry

Computer Software

Skill

Java, Spring Boot, Docker, PostgreSQL, REST API Development, Node.js, TypeScript, Keycloak, Linux System Administration, Nginx, React.js, React Native, Redis, Git, MySQL, Express.js, Next.js, Terraform, Ansible, Tailwind CSS

Experience

Tech Lead & DevOps Engineer

Independent / Self-Employed

2024-10 - Present · 2 yrs

remote

Independent software developer building and deploying production-grade systems for clients in Argentina and Honduras, working collaboratively in a small technical team. Systems currently in production: • Humberto — Financial management system used daily by a commercial business in Honduras | Java 21/Spring Boot 3, React Native/Expo, MySQL, Keycloak, Docker (32 containers), Coolify, Traefik | Zero downtime since launch • Padilla — Real estate lead orchestration platform for an agency in Argentina | Spring Boot 3, React 19, PostgreSQL, n8n, Docker Swarm, Twilio/WhatsApp, Redis, Keycloak | Automated lead capture from MercadoLibre and ZonaProp • Kaia — AI voice assistant mobile app | React Native, Node.js/Express, TypeScript, PostgreSQL, Redis, Claude AI | 61 REST endpoints · ~90% NLP accuracy in production • Geronimo 2.0 — Multi-tenant knowledge SaaS with AI | React 19, Express, PostgreSQL, ChromaDB, LangChain, Ollama, Keycloak | 7-layer architecture with schema-per-tenant isolation

E-commerce Developer

Farmacity S.A.

2022-7 - Present · 4 yrs 3 mos

Argentina (Remote)

Managed technical operations and weekly production deployments across 5 enterprise e-commerce platforms on VTEX, serving markets in Argentina and Uruguay for one of Latin America's largest retail groups. • Delivered weekly production releases across 5 simultaneous storefronts (Farmacity AR, Farmacity UY, Simplicity, The Food Market, Get the Look) • Implemented and maintained storefront modules, landing pages and promotional components using VTEX Site Editor and HTML/CSS • Managed high-sensitivity financial content: bank partnership banners and credit card terms & conditions across multiple brands • Coordinated cross-brand deployment schedules with marketing teams ensuring zero-conflict releases

Education

Digital House

Development of web pages, digital/multimedia content and computer resources.

2021-2 - 2021-7 · 6 mos

⦁ Frontend and backend web development ⦁ JavaScript, HTML5, CSS3 ⦁ Node.js and React fundamentals ⦁ SQL databases integration

Digital House

Development of web pages, digital/multimedia content and computer resources.

2023-2 - 2024-12 · 1 yr 11 mos

⦁ Comprehensive full-stack development certification ⦁ Technologies: Spring MVC, Java, React, Node.js ⦁ Infrastructure and database management ⦁ Agile methodologies and collaborative development⦁