Javier Augusto Alba Tamayo

Javier Augusto Alba Tamayo  new_releases

About

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Senior Backend & Full-Stack Engineer (.NET, React, Vue) | Microservices & Azure | AI Integration with Python & LLMs
Bogotá, Bogota, Colombia

Contact Javier regarding: 
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Full-time jobs
Starting at USD3K/month
Flexible work
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Timeline


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Résumé


Jobs verified_user 0% verified
  • P
    Full Stack Developer
    Progi
    Jun 2024 - Current (1 year 10 months)
    Contribute to backend architecture decisions for logistics and operational platforms using .NET and SQL. Design and maintain scalable REST APIs integrated with Vue-based enterprise dashboards. Improve deployment reliability through CI/CD practices and structured code reviews. Support high-availability systems used across distributed operational workflows.
  • Amadeus IT Group
    Technical Leader public Remote experience
    Amadeus IT Group
    Nov 2022 - Jun 2023 (8 months)
    Contributed to backend services within global travel systems. Participated in technical discussions related to service architecture and system improvements. Coordinated development tasks within a distributed engineering team. Supported enterprise-grade applications in high-availability environments.
  • Yuxi Global
    Full Stack Developer public Remote experience
    Yuxi Global
    Mar 2022 - May 2024 (2 years 3 months)
    Migrated legacy WCF services to modern RESTful APIs, improving scalability and long-term maintainability. Designed backend services supporting 1,200+ daily users in regulated U.S. Healthcare environments. Participated in microservices modernization initiatives and architectural improvements. Contributed to CI/CD automation and deployment optimization across distributed teams.
  • Kantar
    Software Developer Middleware Core public Remote experience
    Kantar
    Nov 2021 - Mar 2022 (5 months)
    Developed backend services using .NET Core and Python for enterprise customer applications. Contributed to data reporting and processing systems. Worked with Oracle and PostgreSQL databases in distributed remote environments.
  • Prodigious Latin America
    Software Senior Engineer
    Prodigious Latin America
    Jul 2019 - Nov 2021 (2 years 5 months)
    Developed enterprise-grade web platforms using .NET and Sitecore (Helix architecture). Designed backend APIs and authentication integrations (SSO) for corporate systems. Implemented CI/CD pipelines for QA and production environments. Contributed to frontend development using React and modern JavaScript frameworks.
  • C
    Development Engineer T3
    Component Serviex SAS
    May 2019 - Jul 2019 (3 months)
    ● Maintained and developed financial applications for Davivienda and Davivienda Mobile using .NET MVC / .NET Core and Angular. ● Worked with SQL Server and PostgreSQL data stores, writing SQL for application features, reporting, and stability fixes, while leveraging extensive SQL skills for queries, reporting, optimization, and schema updates across application modules. ● Implemented OWASP-aligned security practices for web services and user flows. ● Used Python for analysis/scraping tasks supporting reporting and operational needs; utilized Docker and test tooling to improve quality. Additionally, I built UI modules using React.js and integrated them with backend services, enhancing the overall user experience. ● Improved UX/UI thr
  • Complemento 360
    Senior Software Developer
    Complemento 360
    Jun 2018 - Apr 2019 (11 months)
    Delivered backend solutions for financial payment and insurance platforms (Reval, AXA Colpatria, Seguros La Previsora, Cardiff, Copnia). Designed secure web services using .NET and SQL in regulated financial environments. Participated in microservices implementations and backend architectural decisions. Supported CI/CD pipelines and deployment automation processes.
  • M
    Software Engineer
    M4M Interactividad SAS
    Nov 2014 - May 2018 (3 years 7 months)
    Developed enterprise applications including DOX-Travel Seller, La Hamburguesería platforms, and multiple internal systems using Visual Basic and VB.NET. Designed and maintained backend services and data layers using Microsoft SQL Server and PostgreSQL, optimizing queries and database performance. Built frontend functionality using React, HTML, CSS, and JavaScript, integrating APIs and improving UI responsiveness. Applied Scrum and XP methodologies throughout the development lifecycle, using Mantis and TFS for issue tracking and source control management. Contributed to architectural decisions and technical coordination within the development team.
  • Sistran
    Software Senior Engineering
    Sistran
    Mar 2014 - Sep 2014 (7 months)
    - Maintained and enhanced the SISE and SOATWeb applications, ensuring optimal performance and reliability. Developed and maintained seven web services for Previsora Insurance Company, Cardiff Insurance Company, and Grupo Aval Financial Group Company, focusing on car payment processing. Managed .NET technologies, MVC architecture, and SQL for robust database structure. - Worked extensively with RESTful API services and WPF (Windows Presentation Foundation), utilizing Bootstrap and CSS3 for styling, while implementing jQuery for AJAX requests to facilitate seamless data communication between the front-end and back-end. - Additionally, leveraged PostgreSQL for data persistence and reporting, optimizing queries and schema adjustments to enhan
  • Stefanini Mexico
    Junior II SharePoint Developer
    Stefanini Mexico
    Dec 2013 - Mar 2014 (4 months)
    Development of Applications in the SharePoint environment and C#, JQuery and JavaScript for the Oscensa Companies, Ministry of Agriculture, Ministry of Defense, Ministry of Finance, Incoder, Colmedica, Ministry of Health. The team in that time was worked with Scrum Agile methodology, and, XP(Extreme Programming Technologies), Visual Studio 2012, Sql Server 2012, SharePoint Server 2010, Team Foundation as repository code and Kanban., Mantis as a ticket reporter, PowerShell Scripts, MSTest for Unit Testing, .and NET C# as a core language. I used Bootstrap and Angular 10 for FE including, Mustache notation and TypeScript (including in Angular) and DevExpress for populate grids in specific projects.
  • BRM S.A
    Software Developer
    BRM S.A
    Mar 2013 - Nov 2013 (9 months)
    As a Software Developer, I was responsible for the maintenance and development of applications related to Nestlé brands and their products in Colombia, including Fitness, Milo, and La Lechera. I utilized Extreme Programming (XP) methodologies throughout the development life cycle to ensure high-quality software delivery. My technical toolkit included Visual Studio 2012, SQL Server 2012, Team Foundation, Mantis, .NET C#, VB 6.0, VB.NET (.NET Framework 3.5), JavaScript, JQuery, SQL, and various Windows Services that I developed for multiple tasks within the company. I also employed modern frameworks and technologies such as Bootstrap, Angular 10, Mustache, TypeScript, and DevExpress Grids & Charts. Additionally, I leveraged my experience with
  • Sci Software Ltda
    System Engineer
    Sci Software Ltda
    Jun 2012 - Jun 2013 (1 year 1 month)
    • Develop and improve all infrastructure software for Casa Editorial El Tiempo, Contact Center Americas, and Ecopetrol, overseeing a total of 32 servers, each hosting 5 to 6 databases in Visual Basic, Visual .NET Managed the software systems known as Venta Opcional (Optional Sale), originally developed in Visual Basic .NET technologies, while facilitating their migration to SAP technologies to ensure seamless operation for clients. Additionally, I supported applications utilizing PostgreSQL, performing query updates, reporting, and database maintenance tasks, which contributed to the overall efficiency and reliability of our systems.
  • S
    System Assistant (SENA Productive Stage)
    Segurexpo de Colombia
    Oct 2011 - Apr 2012 (7 months)
    As a System Assistant during the SENA Productive Stage, I was responsible for network administration, installation, and maintenance of hardware and software in Bogotá, as well as providing remote support for branch offices in Cali, Medellin, and Barranquilla. I initiated programming in Visual Basic and Visual Basic.Net to develop internal applications for the insurance company, enhancing operational efficiency. Additionally, I managed and supported internal systems, utilizing PostgreSQL for basic administration, queries, and data updates, which contributed to the overall reliability and performance of our data management processes.
  • ATENTO S.A.
    Support Advisor
    ATENTO S.A.
    Mar 2010 - Apr 2011 (1 year 2 months)
    Support for line 019000930930 of Telecom and Telecom Internet in Colombia Territory. I Dealed with Windows Operating System (All Versions), configuration server from Telecom, Modem APP Configuration Software. RR Software.
  • PLATIKA LTDA
    Support Advisor
    PLATIKA LTDA
    Mar 2009 - Dec 2009 (10 months)
    Support for the line 6500500 of Telmex of Internet and Television in Colombia. We used Windows Operating System (All Versions), configuration server from Telmex, Avaya (IP Phone System), R.R Software.
  • Colvatel
    Support and Installer Advisor
    Colvatel
    Feb 2007 - Nov 2008 (1 year 10 months)
    • ADSL Installation, Configuration and Maintenance of ADSL standard modem and Corporative Modem for clients of ETB Company • Configuration and installation of new phone lines for clients of ETB and IFX Companies in Bogotá. Used Windows Operating System (All Versions), configuration server from ETB, Physical Modem and Modem APP Configuration Software,
  • Contact Center Americas S.A
    Support Advisor
    Contact Center Americas S.A
    Feb 2006 - Feb 2007 (1 year 1 month)
    Support agent for line 170 and for line 018000112170 of ETB, Sale and Technical Support for the Claims and Internet line of ETB. Used Windows Operating System (All Versions), configuration server from ETB, Avaya, and R.R Software.
Education verified_user 0% verified
  • U
    Bachelor's Degree en Informatics Engineering Informatics Engineering
    Universidad Autónoma del Occidente
    Jan 2022 - Current (4 years 3 months)
  • N
    Bachelor's Degree en Computer Science Great Colombian Polytecnic
    National Learning Service SENA Technological and Science Institute in Colombia
    Apr 2013 - Jul 2016 (3 years 4 months)