Pablo Haller

Software Engineer

Pablo Haller

Contact

    • (+598) 99257108
      gahallerp@outlook.es

    • Skills

    • Front-end Development:

        • React, Next.js, SPFx, TailwindCSS, Sass, BEM, Zustand, Redux, TanStack Query

    • Databases:

        • MySQL, SQL Server, PostgreSQL, Algolia, Typesense

    • Other Languages:

        • Java, Python, C#

    • DevOps & Tools:

        • Git, Azure, Jira, Figma, Cloudflare Workers, Vercel

    Professional Experience

    Dec. 2025 — Present — Senior Frontend Engineer at Arionkoder

    Stack: Next.js

    • Currently working on software development projects.

    Jun. 2025 — Dec. 2025 — Senior Developer at Booster Software

    Stack: Next.js (v14), Material-UI (MUI), TypeScript, IIS, Azure App Services.

    • Maintained and developed features for an internal time tracking application of a fintech company, built on Next.js (v14) and Materio (MUI template).
    • Coordinated full-stack deployments on IIS.
    • Migrated the front-end application to Azure App Services with a response time speed increase of +90%, setting up to three different slots.
    • Proposed and co-implemented git-flows and semantic versioning for improved organization.

    Feb. 2022 — Feb. 2025 — Engineering Lead at GoGrow

    Stack: Next.js (v14–v15), TailwindCSS, TypeScript, Algolia, Typesense.

    • Led front-end development of marketplaces for growing startups using modern web technologies.
    • Implemented search interfaces leveraging Algolia InstantSearch and Typesense for optimized user experiences.
    • Performed extensive code reviews to ensure best practices, scalability, and maintainability across repositories.
    • Analyzed project scopes, estimated delivery timelines, and collaborated with stakeholders on technical strategy.
    • Mentored junior developers and introduced new tools and practices to improve team performance.

    Apr. 2020 — Feb. 2022 — React Developer at OneTree

    Stack: SPFx, React, TypeScript, PnP.js, jsPDF, Azure Logic Apps.

    • Developed SharePoint web parts from scratch using SPFx with React and TypeScript.
    • Integrated data via PnP.js and generated PDF reports using jsPDF for business workflows.
    • Automated routine processes using Azure Logic Apps, handling deployment and ongoing maintenance.
    • Worked closely with Business Analysts to define user stories, gather client requirements, and plan roadmaps.

    Jan. 2019 — Mar. 2020 — Software Engineer at Ascentis

    Stack: React, Redux, Sass, BEM, JSP.

    • Developed and maintained reusable front-end components for payroll solutions using React, Redux, and Sass.
    • Collaborated with multiple scrum teams and participated in the company's rebranding process.
    • Worked alongside HR product teams using Java Server Pages and ASP.NET across large codebases.
    • Improved UI consistency and component reuse across different HR applications.

    May 2017 — Dec. 2019 — Junior Analyst at GSOFT Uruguay

    Stack: JSP, JavaScript, jQuery, Bootstrap, SQL Server.

    • Developed and maintained Factura Express, an electronic invoicing and accounting web platform.
    • Gathered requirements directly from clients and implemented new features using JSP, JavaScript, jQuery, and Bootstrap.
    • Optimized SQL queries and improved overall system performance.
    • Delivered training sessions and provided customer support on product and technical aspects.

    Education

    • 2022 — 2024 — Bachelor in Software Engineering at Universidad Católica del Uruguay
    • 2016 — 2022 — Bachelor in Information Technologies at Universidad Católica del Uruguay

    References

    • Franco Pariani — CEO at GoGrow — franco@gogrow.dev
      Collaborated closely on project delivery and strategic technical decisions across various initiatives.
    • Leonardo Martínez — Project Manager at GSOFT Uruguay — leonardo.martinez@gsoft.com.uy
      As my direct supervisor, he provided mentorship and support throughout multiple development projects.
    • Andrés Techera — Engineering Lead at Ascentis — atechera@ascentis.com
      We worked together on several major projects where he provided valuable technical guidance.