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Pedro Sierra

Full stack developer

Cartagena de Indias, Provincia de Cartagena, Bolívar, Colombia
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I'm an experienced Node.js back-end developer with over 10 years of expertise and a C1 English level. Certified as an AWS Solutions Architect - Associate, and well-versed in a diverse tech stack including JavaScript (Node.js), AWS, Oracle PL/SQL, MongoDB, GitHub/Git, HTML5, and React. With 5+ years of leadership experience, this professional effectively motivates teams and fosters skill development. Known for ensuring the stability and performance of critical business services using Elastic APM and New Relic, committed to continuous learning and building solutions that exceed customer expectations.

Careers

Engineering Manager

Propelus

Full time contract08/2023 - 06/2024
  1. Spearheaded project definition, directly engaging with stakeholders to address business requirements.
  2. Managed project execution across development teams quarterly, achieving business goals and tracking OKRs.
  3. Ensured stability and enhanced performance of critical business services, achieving over 95% uptime.
Engineering Lead

Condor Labs

Full time contract10/2017 - 08/2023
  1. Optimized, stabilized, and scaled 5+ critical client services, improving performance and uptime by 30%.
  2. Led a team of 6 developers, conducted code reviews, and guided them to achieve business goals and enhance skills.
  3. Migrated 100% of 30,000+ subscriptions from a legacy system to Stripe's platform, building an event-driven system on AWS cloud, increasing revenue reliability by 40%.
Back-end developer

Condor Labs

Full time contract09/2014 - 10/2017
  1. Created web applications using JavaScript, Node.js, AWS, Oracle PL/SQL, MongoDB, and C# .NET.
  2. Maintained legacy services and introduced new features, enabling scalability with APIs, background workers, and microservices.
  3. Tuned and refactored complex code to address customer needs, improving processing speed by 25%.
Software Engineer

Zeus Tecnologia

Full time contract04/2012 - 09/2014
  1. Built web applications using ASP.NET with C# and Microsoft SQL Server.
  2. Migrated critical features from a legacy FoxPro system to a new web application, enhancing performance and user experience.
  3. Participated in scrum ceremonies on 2-week sprints, delivering value according to defined goals.

Education

Fundacion Universitaria Tecnologico Comfenalco

Systems Engineering

01/2010 - 08/2015Bachelor's DegreeClass of 2015
Skills
Node.JSAWSOracleMongoDBREST APIsReact.jsTypeScriptASP.NetGraphQLC#
Experience8+ years
Hourly rate$40/hr
Open to
remote

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