Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

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





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

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 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.

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 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.