Victor is available for hire
Hire VictorVictor Abeledo
Verified Expert in Engineering
JavaScript Developer
Buenos Aires, Argentina
Toptal member since November 8, 2026
Bio
Victor is a founder-minded full-stack engineer who has built AI products since GPT-3. Over five years, Victor has shipped LLM-powered features that helped a startup raise a $22M Series A and bootstrapped a micro-SaaS to $750 MRR. His expertise spans React, React Native, Node, AWS and serverless architectures for startups and SaaS platforms.
Portfolio
LightTable
PostgreSQL, Software Engineering, AI Agents, Back-end, Back-end Architecture...
Tabbi
React Native, iOS, Ruby on Rails (RoR), Amazon Web Services (AWS), AWS Amplify...
Caffeine
Next.js, Node.js, React, Vercel, Back-end, Back-end Architecture...
Experience
- React - 8 years
- Web Development - 8 years
- JavaScript - 8 years
- Express - 7 years
- TypeScript - 6 years
- React Native - 5 years
- Amazon Web Services (AWS) - 3 years
- Python - 2 years
Work Experience
Senior Software Engineer
2026 - 2026
LightTable
- Built a web-based PDF viewer and multimodal LLM pipelines (Gemini, GPT, Claude) that detect errors in construction drawings for LightTable, an AI platform that has reviewed documents for 20M+ sq ft of buildings representing $10B in project costs.
- Delivered AI-generated QA/QC findings within 24 hours of upload, cutting clients’ full drawing review cycle from three to six weeks to three to five days.
- Surfaced 6x more issues than traditional reviews, catching coordination errors before they became RFIs and change orders, a key driver of the company’s growth from seed stage to a $22M Series A.
Technologies: PostgreSQL, Software Engineering, AI Agents, Back-end, Back-end Architecture, Back-end Development, Software Architecture, Full-stack Development, Artificial Intelligence (AI), Code Review, Large Language Models (LLMs), Node.js, Full-stack, Supabase, Tailwind CSS, Claude, AI Tools, CSS, HTML, Docker, SaaS, Front-end, APIs, SQL, AI-assisted Development
Senior Full Stack Software Engineer
2024 - 2026
Tabbi
- Built a React Native iOS app (5K+ downloads, 4.7 rating) with geofencing to surface nearby venues, specials, and events on a live map as users move or browse.
- Integrated Toast POS to let users open and close bar tabs from their phones, giving venue owners order data to analyze customer behavior.
- Migrated a legacy Ruby on Rails monolith to a serverless AWS stack (Amplify, Lambda, Cognito).
Technologies: React Native, iOS, Ruby on Rails (RoR), Amazon Web Services (AWS), AWS Amplify, AWS Lambda, Amazon Cognito, Software Engineering, Back-end, Back-end Architecture, Back-end Development, Software Architecture, Full-stack Development, Code Review, Node.js, Full-stack, Next.js, Claude, AI Tools, CSS, HTML, Docker, SaaS, Front-end, APIs, Mobile, SQL, AI-assisted Development
Software Engineer
2023 - 2024
Caffeine
- Contributed to the web engineering team at Caffeine, a live-streaming platform that grew to 61 million monthly users and 4 million daily users, aggregating content from 200 sports partners across 17 sports categories.
- Supported the development of platform capabilities exploring multiple monetization models, including virtual gifting, subscriptions, pay-per-view (PPV), and advertising.
- Helped develop and deliver an innovative approach to live sports streaming, contributing to a differentiated user experience and new ways for audiences to engage with sports content.
Technologies: Next.js, Node.js, React, Vercel, Back-end, Back-end Architecture, Back-end Development, Software Architecture, Full-stack Development, Code Review, Full-stack, Supabase, Tailwind CSS, CSS, HTML, SaaS, Front-end, APIs, SQL, GraphQL
Technical Co-Founder
2021 - 2023
RecruiterAI
- Co-founded a recruiting SaaS as the sole engineer in a two-person team, raising $50K in angel funding.
- Built an AI-powered LinkedIn outreach tool on the early-access GPT-3 API, using server-side scraping and browser automation to run personalized campaigns at scale.
- Acquired 10 paying customers through direct LinkedIn outbound after validating demand in 100+ recruiter interviews.
Technologies: Express, PostgreSQL, Software Engineering, Back-end, Back-end Architecture, Back-end Development, Software Architecture, Full-stack Development, Artificial Intelligence (AI), Code Review, Web Scraping, Large Language Models (LLMs), Node.js, Full-stack, Next.js, Supabase, Tailwind CSS, CSS, HTML, SaaS, Front-end, APIs, SQL
Frontend web developer
2020 - 2022
Leniolabs
- Developed and maintained a reusable React component library adopted by 10+ client applications, improving UI consistency and accelerating frontend development.
- Collaborated within a distributed engineering team to deliver frontend solutions for a leading US-based mortgage company.
- Designed and implemented complex reusable UI components, including data tables, popups, and transfer lists, using React and Styled Components.
- Applied end-to-end (E2E) testing practices and leveraged Rollup for component library bundling and distribution.
Technologies: React, TypeScript, JavaScript, Redux, Rollup, Jest, E2E Testing, Playwright, Software Architecture, Code Review, Node.js, General Data Protection Regulation (GDPR), CSS, HTML, SaaS, Front-end, APIs, SQL, GraphQL
Frontend Engineer
2018 - 2019
Globant
- Developed and maintained a reusable React component library adopted by three internal applications, improving UI consistency and code reusability.
- Built and delivered 10+ new UI components while leveraging Redux, Redux-Saga, and Webpack for state management and application bundling.
- Contributed to the maintenance and enhancement of Globant's internal products, including Starmeup and BetterMe.
Technologies: React, Design Systems, CSS, HTML, Jest, Unit Testing, TypeScript, Software Architecture, Code Review, Node.js, SaaS, Front-end, APIs, SQL, GraphQL
Project History
WhatsApp Scheduling and Appointment Reminders
https://wareminders.comDeveloped a messaging solution that enables clinics and businesses to schedule WhatsApp messages in advance and automate customer communications.
Integrated Google Calendar synchronization to trigger scheduled WhatsApp messages based on calendar events, enabling businesses to automate appointment reminders and follow-ups. Built appointment booking functionality that allows clients to book appointments and automatically receive WhatsApp reminders, reducing manual coordination and improving customer engagement.
Integrated Google Calendar synchronization to trigger scheduled WhatsApp messages based on calendar events, enabling businesses to automate appointment reminders and follow-ups. Built appointment booking functionality that allows clients to book appointments and automatically receive WhatsApp reminders, reducing manual coordination and improving customer engagement.
Education
2019 - 2019
Bachelor's Degree in Software Engineering
University of Rosario - Argentina
Certifications
JANUARY 2018 - PRESENT
Cambridge English: Advanced (CAE)
Cambridge University Press & Assessment
Skills
Libraries/APIs
React, Node.js, REST APIs, AWS Amplify, Playwright
Tools
Claude, Amazon Cognito, Rollup
Languages
JavaScript, TypeScript, CSS, HTML, SQL, Python, GraphQL, Java
Frameworks
React Native, Next.js, Tailwind CSS, Ruby on Rails (RoR), Express.js, Redux, Jest
Paradigms
Mobile Development, Back-end Architecture, E2E Testing, Unit Testing
Platforms
Mobile, Amazon Web Services (AWS), Docker, iOS, AWS Lambda, Vercel
Storage
PostgreSQL
Other
Express, English, Business English, Software, Software Engineering, Web Development, Back-end, Back-end Development, Software Architecture, Full-stack Development, Code Review, Full-stack, Supabase, SaaS, Front-end, APIs, AI-assisted Development, FastAPI, AI Agents, Artificial Intelligence (AI), Large Language Models (LLMs), General Data Protection Regulation (GDPR), AI Tools, Computer Science, WhatsApp, Design Systems, Web Scraping
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