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I’m Antonio, a Spanish software developer with 8+ years of experience building backend services, REST APIs, and full-stack solutions. I’ve worked across .NET, Node.js, Python, and JavaScript/React, designing microservices and automation components that help teams reduce manual work and improve reliability. I enjoy collaborating closely with enterprise and BPO clients, from requirements workshops and integration/migration work to on-site rollout support. My recent experience includes Azure-focused deployments (e.g., Azure Functions) alongside AWS infrastructure, and my background also includes reporting, voice automation, and legacy system maintenance through multiple generations of platforms.…I’m Antonio, a Spanish software developer with 8+ years of experience building backend services, REST APIs, and full-stack solutions. I’ve worked across .NET, Node.js, Python, and JavaScript/React, designing microservices and automation components that help teams reduce manual work and improve reliability. I enjoy collaborating closely with enterprise and BPO clients, from requirements workshops and integration/migration work to on-site rollout support. My recent experience includes Azure-focused deployments (e.g., Azure Functions) alongside AWS infrastructure, and my background also includes reporting, voice automation, and legacy system maintenance through multiple generations of platforms.

Antonio Regidor Ballesteros

Full Stack Developer, Back-End Developer, Web Developer, +2

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I’m Antonio, a Spanish software developer with 8+ years of experience building backend services, REST APIs, and full-stack solutions. I’ve worked across .NET, Node.js, Python, and JavaScript/React, designing microservices and automation components that help teams reduce manual work and improve reliability. I enjoy collaborating closely with enterprise and BPO clients, from requirements workshops and integration/migration work to on-site rollout support. My recent experience includes Azure-focused deployments (e.g., Azure Functions) alongside AWS infrastructure, and my background also includes reporting, voice automation, and legacy system maintenance through multiple generations of platforms.…I’m Antonio, a Spanish software developer with 8+ years of experience building backend services, REST APIs, and full-stack solutions. I’ve worked across .NET, Node.js, Python, and JavaScript/React, designing microservices and automation components that help teams reduce manual work and improve reliability. I enjoy collaborating closely with enterprise and BPO clients, from requirements workshops and integration/migration work to on-site rollout support. My recent experience includes Azure-focused deployments (e.g., Azure Functions) alongside AWS infrastructure, and my background also includes reporting, voice automation, and legacy system maintenance through multiple generations of platforms.

Available to hire

I’m Antonio, a Spanish software developer with 8+ years of experience building backend services, REST APIs, and full-stack solutions. I’ve worked across .NET, Node.js, Python, and JavaScript/React, designing microservices and automation components that help teams reduce manual work and improve reliability.

I enjoy collaborating closely with enterprise and BPO clients, from requirements workshops and integration/migration work to on-site rollout support. My recent experience includes Azure-focused deployments (e.g., Azure Functions) alongside AWS infrastructure, and my background also includes reporting, voice automation, and legacy system maintenance through multiple generations of platforms.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Spanish; Castilian

Fluent

English

Advanced

Work Experience

Senior Consultant at Akkodis

January 1, 2026 - Present

Developed and maintained SQL Server/SSIS data pipelines and built .NET solutions deployed as Azure Functions. Designed and delivered fixes, improvements, and new solutions as part of a 9-person development team, contributing to backend service reliability and ongoing integrations.

Desarrollador de Software at Grupo Reacciona

January 1, 2025 - January 1, 2026

Migrated legacy ASP.NET code to Python using Django and pandas. Supported React-based frontend development and worked on AWS EC2/S3 infrastructure alongside core development tasks to help maintain and evolve cloud-hosted applications.

Software Developer at Re-Inventa

January 1, 2018 - January 1, 2025

Built and maintained web applications using Node.js, JavaScript, React/Vue, Knockout, Express, and MySQL. Developed custom automation tools with .NET/ASP, Python, and Node.js, and maintained REST APIs with deployments on Azure and AWS EC2. Worked extensively with legacy systems using Altitude Script Language (ASL), including BPO integration and reporting improvements, and designed voice automation/bots plus basic softphone connectivity. Led requirements workshops and client meetings, including international on-site rollout support in small teams (1–4).

Web Developer at Tictum Innovation and Technology

January 1, 2016 - January 1, 2017

Contributed to a Java-based asynchronous video interview platform. Worked with Spring and Hibernate for backend development and JavaScript for frontend, supporting the delivery of core platform features during employment following a 40-hour internship.