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I am a developer and analyst with a strong background in automation, internal tooling, and legacy system migration. I have delivered efficient JavaScript-based web tools, mentored junior developers, and translated departmental needs into scalable digital solutions. Currently, I develop internal macros and apps to automate multi-step workflows, migrate Access/VBA macros to JavaScript tools, customize functionalities per department needs, liaise across departments for requirements definition, estimate time and scope, design solution architecture, and provide internal training, onboarding and upskilling of new project committee members.…I am a developer and analyst with a strong background in automation, internal tooling, and legacy system migration. I have delivered efficient JavaScript-based web tools, mentored junior developers, and translated departmental needs into scalable digital solutions. Currently, I develop internal macros and apps to automate multi-step workflows, migrate Access/VBA macros to JavaScript tools, customize functionalities per department needs, liaise across departments for requirements definition, estimate time and scope, design solution architecture, and provide internal training, onboarding and upskilling of new project committee members.

Román Gacho Sabartés

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I am a developer and analyst with a strong background in automation, internal tooling, and legacy system migration. I have delivered efficient JavaScript-based web tools, mentored junior developers, and translated departmental needs into scalable digital solutions. Currently, I develop internal macros and apps to automate multi-step workflows, migrate Access/VBA macros to JavaScript tools, customize functionalities per department needs, liaise across departments for requirements definition, estimate time and scope, design solution architecture, and provide internal training, onboarding and upskilling of new project committee members.…I am a developer and analyst with a strong background in automation, internal tooling, and legacy system migration. I have delivered efficient JavaScript-based web tools, mentored junior developers, and translated departmental needs into scalable digital solutions. Currently, I develop internal macros and apps to automate multi-step workflows, migrate Access/VBA macros to JavaScript tools, customize functionalities per department needs, liaise across departments for requirements definition, estimate time and scope, design solution architecture, and provide internal training, onboarding and upskilling of new project committee members.

Available to hire

I am a developer and analyst with a strong background in automation, internal tooling, and legacy system migration. I have delivered efficient JavaScript-based web tools, mentored junior developers, and translated departmental needs into scalable digital solutions.

Currently, I develop internal macros and apps to automate multi-step workflows, migrate Access/VBA macros to JavaScript tools, customize functionalities per department needs, liaise across departments for requirements definition, estimate time and scope, design solution architecture, and provide internal training, onboarding and upskilling of new project committee members.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

English

Fluent

Polish

Beginner

Work Experience

Tax Officer at AEAT / Tax Ministry

January 1, 2022 - September 4, 2025

Responsible for conducting tax inspections, audits, and administrative reviews. Ensured compliance with tax laws, analyzed financial data, and prepared reports.

Developer, Business Analyst, Mentor and Trainer at AEAT / Tax Ministry

January 1, 2022 - Present

Developed internal macros and applications using JavaScript, Bootstrap, and Tabulator to automate multi-step workflows. Migrated over 100 Access/VBA macros to JavaScript tools and customized functionalities for departmental needs. Acted as liaison across departments for defining requirements, task breakdown, estimations, and solution architecture. Mentored junior developers across departments through code reviews, problem solving, and technical guidance. Provided internal training on JavaScript fundamentals and front-end development using Bootstrap. Planned, designed, and deployed MySQL-based databases to replace built-in Access data infrastructures, including schema creation, front-end integration, and documentation for future maintainers.

Tax Officer at AEAT / Tax Ministry

January 1, 2022 - August 16, 2025

Responsible for conducting tax inspections, audits, and administrative reviews. Duties included ensuring compliance with tax laws, analyzing financial data, and preparing reports.

Developer, Business Analyst, Mentor and Trainer at AEAT / Tax Ministry

January 1, 2022 - Present

Developed internal macros and apps using JavaScript, Bootstrap, and Tabulator to automate multi-step workflows. Migrated over 100 Access/VBA macros to JavaScript tools and customized functionality per department needs. Acted as liaison across departments for requirement definition, task breakdown, and solution architecture. Mentored junior developers with code reviews, problem solving, technical guidance, and trainings on JavaScript fundamentals and front-end development. Planned, designed, and deployed MySQL-based databases to replace built-in Access data infrastructure, created department-specific schemas, integrated with front-end tools, and documented functionality for future maintainers. Onboarded and upskilled new project committee members.