A full-stack invoice and payment management application inspired by Ramp and Melio. Enables billing teams to create, approve, schedule, and pay vendor invoices with full PDF attachment support, role-based access control, and a clean dark-themed UI. Stack: React, TypeScript, Tailwind CSS, Redux Toolkit, Node.js, Express, Sequelize, PostgreSQL.
Full Stack Engineer
Full-time available
Bio
Tomás F, V is a proficient Full Stack and Frontend Developer with a robust background in designing and implementing web and desktop applications across various industries. Specializing in React, TypeScript, and Node.js, Tomás has developed complex transactional systems, such as a desktop ticketing system for Exomindset and a full-stack administrative platform for Farmacia Alto Palermo, showcasing his capability to manage high-frequency transactional flows and API integrations effectively. His technical repertoire includes…
Expertise
ReactTypescriptNodeJSNextJS
Video Intro
Assessments
Projects
Frontend developer on a production desktop ticketing system built with Electron and React, used by box office agents for real-time ticket sales. Implemented reusable component architecture and complex sales workflows, including authentication, filtering, cart management, and transactional flows. Integrated REST APIs using React Query and designed a scalable service-layer architecture for data handling. Stack: React, TypeScript, Electron, React Query, Material UI.
Ongoing full-stack pharmacy CRM platform developed in collaboration with a real pharmacy operation since 2024. Designed to support chronic patient follow-up, prescription renewal management, and operational workflows through administrative dashboards, prescription tracking, activity timelines, notification systems, drag-and-drop follow-up boards, and KPI reporting tools. Responsible for the complete software lifecycle including requirements analysis, database modeling, REST API architecture, authentication, frontend implementation, deployment, testing, and continuous product iteration based on real operational feedback. Built with React 19, TypeScript, Redux Toolkit, Tailwind CSS, Node.js, Express, Sequelize, PostgreSQL, and JWT. Deployed using Vercel and Railway.
Experience
Frontend Developer
Exomindset· E-CommerceJun 2025 — Apr 2026- Owned the frontend development of a production desktop ticketing system used by physical box office agents as part of an integrated event sales ecosystem (backoffice platform, online store, and PDA validation app).
- Designed and implemented modular UI architecture using React and TypeScript, building reusable components for high-frequency transactional flows.
- Developed complex sales workflows including authentication, ticket selection, cart management, dynamic pricing, filtering systems, delivery/return flows, and cash register closing modules.
- Integrated REST APIs using React Query with caching strategies to optimize data synchronization and reduce redundant network requests.
- Created reusable custom hooks and structured a scalable service-layer architecture for API communication.
- Focused on UI consistency and usability using Material UI within an Electron-based desktop environment.
- Implemented thermal printer integration, generating pixel-perfect PDF tickets and handling hardware communication within the Electron environment.
- Contributed to a Next.js-based admin dashboard by implementing a new reporting page for print history, including data table rendering and filtering logic.
ReactTypeScriptElectronReact QueryMaterial UINext.jsFull Stack Web Developer
Farmacia Alto Palermo· HealthTechOct 2024 — Nov 2024- Designed and developed a full-stack administrative platform for managing customers and healthcare plans.
- Built secure authentication flows and implemented complete CRUD operations for client and plan management.
- Designed RESTful APIs using Node.js and Express, connecting a React-based frontend with a PostgreSQL database.
- Implemented a transactional points accumulation and redemption system tied to customer data records.
- Managed the full development lifecycle independently, from database design to deployment.
- Handled deployment and environment configuration using cloud hosting services.
ReactReduxJavaScriptReactstrapNode.jsExpressPostgreSQLSequelizeNetlifyRailwayFull Stack Web Developer
Getback· Enterprise & SaaSMar 2023 — Oct 2023- Contributed to the development of a reverse logistics SaaS platform used by e-commerce businesses to manage product returns and exchanges.
- Built and maintained multi-step transactional forms embedded into client websites for return/exchange processing.
- Developed administrative dashboards for operations tracking, customer management, and return workflow monitoring.
- Integrated third-party platforms such as VTEX, WooCommerce, and WordPress to extend return automation capabilities.
- Debugged production issues using API inspection and structured logging with Winston, reviewing logs in AWS CloudWatch to identify and resolve backend and integration errors.
- Collaborated in QA and testing processes to ensure system reliability and smooth user experience.
ReactTypeScriptJavaScriptReduxNode.jsExpress.jsPostgreSQLSequelizeVTEXWordPressWooCommerce
Education
Full Stack Web Developer
Henry BootcampArgentina2022 — 2022Bachelor’s Degree in Music Composition
National University of CórdobaCórdoba, Argentina2011 — 2018
Full Stack Engineer
Full-time available
Tomás is available for hire
Schedule an interview14 days risk-free trial · No commitments · We handle contracts and payroll
Bio
Tomás F, V is a proficient Full Stack and Frontend Developer with a robust background in designing and implementing web and desktop applications across various industries. Specializing in React, TypeScript, and Node.js, Tomás has developed complex transactional systems, such as a desktop ticketing system for Exomindset and a full-stack administrative platform for Farmacia Alto Palermo, showcasing his capability to manage high-frequency transactional flows and API integrations effectively. His technical repertoire includes…
- Projects completed3
- Hourly rate
- 3-4 years experience
- Córdoba, Argentina
- Member since Jun 2026
Industries
E-CommerceHealthTechEnterprise & SaaS
Expertise
ReactTypescriptNodeJSNextJS
Video Intro
Assessments
Projects
A full-stack invoice and payment management application inspired by Ramp and Melio. Enables billing teams to create, approve, schedule, and pay vendor invoices with full PDF attachment support, role-based access control, and a clean dark-themed UI. Stack: React, TypeScript, Tailwind CSS, Redux Toolkit, Node.js, Express, Sequelize, PostgreSQL.
Frontend developer on a production desktop ticketing system built with Electron and React, used by box office agents for real-time ticket sales. Implemented reusable component architecture and complex sales workflows, including authentication, filtering, cart management, and transactional flows. Integrated REST APIs using React Query and designed a scalable service-layer architecture for data handling. Stack: React, TypeScript, Electron, React Query, Material UI.
Ongoing full-stack pharmacy CRM platform developed in collaboration with a real pharmacy operation since 2024. Designed to support chronic patient follow-up, prescription renewal management, and operational workflows through administrative dashboards, prescription tracking, activity timelines, notification systems, drag-and-drop follow-up boards, and KPI reporting tools. Responsible for the complete software lifecycle including requirements analysis, database modeling, REST API architecture, authentication, frontend implementation, deployment, testing, and continuous product iteration based on real operational feedback. Built with React 19, TypeScript, Redux Toolkit, Tailwind CSS, Node.js, Express, Sequelize, PostgreSQL, and JWT. Deployed using Vercel and Railway.
Experience
Frontend Developer
Exomindset· E-CommerceJun 2025 — Apr 2026- Owned the frontend development of a production desktop ticketing system used by physical box office agents as part of an integrated event sales ecosystem (backoffice platform, online store, and PDA validation app).
- Designed and implemented modular UI architecture using React and TypeScript, building reusable components for high-frequency transactional flows.
- Developed complex sales workflows including authentication, ticket selection, cart management, dynamic pricing, filtering systems, delivery/return flows, and cash register closing modules.
- Integrated REST APIs using React Query with caching strategies to optimize data synchronization and reduce redundant network requests.
- Created reusable custom hooks and structured a scalable service-layer architecture for API communication.
- Focused on UI consistency and usability using Material UI within an Electron-based desktop environment.
- Implemented thermal printer integration, generating pixel-perfect PDF tickets and handling hardware communication within the Electron environment.
- Contributed to a Next.js-based admin dashboard by implementing a new reporting page for print history, including data table rendering and filtering logic.
ReactTypeScriptElectronReact QueryMaterial UINext.jsFull Stack Web Developer
Farmacia Alto Palermo· HealthTechOct 2024 — Nov 2024- Designed and developed a full-stack administrative platform for managing customers and healthcare plans.
- Built secure authentication flows and implemented complete CRUD operations for client and plan management.
- Designed RESTful APIs using Node.js and Express, connecting a React-based frontend with a PostgreSQL database.
- Implemented a transactional points accumulation and redemption system tied to customer data records.
- Managed the full development lifecycle independently, from database design to deployment.
- Handled deployment and environment configuration using cloud hosting services.
ReactReduxJavaScriptReactstrapNode.jsExpressPostgreSQLSequelizeNetlifyRailwayFull Stack Web Developer
Getback· Enterprise & SaaSMar 2023 — Oct 2023- Contributed to the development of a reverse logistics SaaS platform used by e-commerce businesses to manage product returns and exchanges.
- Built and maintained multi-step transactional forms embedded into client websites for return/exchange processing.
- Developed administrative dashboards for operations tracking, customer management, and return workflow monitoring.
- Integrated third-party platforms such as VTEX, WooCommerce, and WordPress to extend return automation capabilities.
- Debugged production issues using API inspection and structured logging with Winston, reviewing logs in AWS CloudWatch to identify and resolve backend and integration errors.
- Collaborated in QA and testing processes to ensure system reliability and smooth user experience.
ReactTypeScriptJavaScriptReduxNode.jsExpress.jsPostgreSQLSequelizeVTEXWordPressWooCommerce
Education
Full Stack Web Developer
Henry BootcampArgentina2022 — 2022Bachelor’s Degree in Music Composition
National University of CórdobaCórdoba, Argentina2011 — 2018
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