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I'm Sergio Pacheco Jiménez, a Software Engineer with a passion for backend development, DevOps, and cloud computing. Skilled in leveraging AWS and serverless technologies to design, build, and deploy high-performance, scalable systems. Experienced in collaborating with teams to troubleshoot technical issues and improve processes for maximum efficiency and quality. A motivated self-starter, constantly seeking opportunities to expand my knowledge and skill set in the field.…I'm Sergio Pacheco Jiménez, a Software Engineer with a passion for backend development, DevOps, and cloud computing. Skilled in leveraging AWS and serverless technologies to design, build, and deploy high-performance, scalable systems. Experienced in collaborating with teams to troubleshoot technical issues and improve processes for maximum efficiency and quality. A motivated self-starter, constantly seeking opportunities to expand my knowledge and skill set in the field.

Sergio Pacheco Jiménez

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

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I'm Sergio Pacheco Jiménez, a Software Engineer with a passion for backend development, DevOps, and cloud computing. Skilled in leveraging AWS and serverless technologies to design, build, and deploy high-performance, scalable systems. Experienced in collaborating with teams to troubleshoot technical issues and improve processes for maximum efficiency and quality. A motivated self-starter, constantly seeking opportunities to expand my knowledge and skill set in the field.…I'm Sergio Pacheco Jiménez, a Software Engineer with a passion for backend development, DevOps, and cloud computing. Skilled in leveraging AWS and serverless technologies to design, build, and deploy high-performance, scalable systems. Experienced in collaborating with teams to troubleshoot technical issues and improve processes for maximum efficiency and quality. A motivated self-starter, constantly seeking opportunities to expand my knowledge and skill set in the field.

Available to hire

I’m Sergio Pacheco Jiménez, a Software Engineer with a passion for backend development, DevOps, and cloud computing. Skilled in leveraging AWS and serverless technologies to design, build, and deploy high-performance, scalable systems. Experienced in collaborating with teams to troubleshoot technical issues and improve processes for maximum efficiency and quality. A motivated self-starter, constantly seeking opportunities to expand my knowledge and skill set in the field.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Spanish; Castilian

Advanced

English

Fluent

Work Experience

Technical Lead at NTT Data (Formerly Everis)

December 31, 2020 - December 31, 2020

Led the end-to-end creation of a secure, enterprise-level banking solution using .NET Core and Microsoft Azure; oversaw technical roadmap, managed development timelines, and ensured on-time delivery of high-quality scalable systems.

Senior Backend Developer (Contract) at Bord Gáis Energy

January 1, 2020 - November 18, 2025

Architected and delivered a scalable, cost-efficient serverless backend for a leading Irish energy provider using Node.js, TypeScript, and AWS. Led event-driven system leveraging AWS SNS/SQS and DynamoDB to ensure high availability and resilient data processing. Automated infrastructure deployment and management using AWS CDK and CloudFormation, significantly reducing deployment times and manual overhead.

CEO & Full Stack Developer at Zento Development

January 1, 2020 - November 18, 2025

Spearheaded a software consultancy providing specialized development, performance optimization, and technical interviewing services to a diverse client portfolio.

Senior Full-Stack Developer at Integrated Worlds

December 31, 2018 - December 31, 2018

Integrated Worlds Senior Full-Stack Developer delivering a B2B e-commerce application for a furniture parts supplier using the ASP.NET framework; managed full software development lifecycle and maintained robust APIs and microservices.

Senior Full-Stack Developer at ActiveX Informáticos

December 31, 2017 - December 31, 2017

Contributed to the development of internal and customer-facing applications for the insurance sector; built robust backend services and APIs using the .NET Framework and Angular/TypeScript for policy and claims management systems.