Loading...
Hello, I'm
Sergio Sabino
Senior Full-Stack Engineer with 7+ years of experience designing and implementing scalable digital products across SaaS, FinTech, and InsurTech for international markets.
Career Path
Professional Experience
Full-Stack Developer
NAYHIRA GONZALEZ LLC
Miami, FL (Remote)
Jan 2024 – Present
- Leading technical development of Nayhira Portal CMS, a collaborative workspace management system.
- Built advanced Dynamic Tables with CRUD, multi-row selection, inline editing, and side-panels.
- Designed a self-service client-facing interface with dashboards, document management (DocuSign), and real-time collaboration.
- Developed a robust API layer using Nest.js with validations and scalable data flows.
Nest.jsReactPostgreSQLDocuSignAWS
Semi-Senior JavaScript Developer
AEROLAB DIGITAL
Buenos Aires, AR (Remote)
Jul 2022 – Jan 2024
- Cocos Capital (FinTech): Componentized the UI for their landing page implementing scalable layouts.
- NaranjaX (Digital Bank): Optimized frontend UI for a digital banking platform serving thousands of users.
- Prive (Shopify): Built merchant dashboard and recurring billing backend. (Acquired by Recurly).
- AymurAI (GovTech): Engineered document processing pipelines for AI-driven text anonymization.
Next.jsTypeScriptContentfulJestStorybook
Founder & Software Developer
CEROBUCKS, LLC
Sheridan, WY (Remote)
Jan 2020 – Jun 2022
- Founded a digital agency delivering custom web, mobile, and desktop applications.
- Built a ride-hailing platform and freelancer marketplace with integrated payment systems (Stripe/PayPal).
- Developed a full-featured real estate CRM for managing clients, properties, and sales.
Node.jsReactMongoDBPostgreSQLDocker
Founder & Software Developer
ZERDALY, LLC
Middletown, DE
2019 – 2020
- Developed an ecommerce-based startup connecting small businesses with a dedicated delivery service.
- Built platforms for Owners, Delivery drivers, and Customers with real-time dashboards.
- Implemented membership models and automated delivery cost calculations.
ReactNode.jsAWSDigitalOcean
Technical Arsenal
A comprehensive toolkit for building scalable, high-performance applications. From frontend interactions to complex AI/Audio processing pipelines.
LLMs
Prompt Eng.
RAG
Agents
Vector DBs
Python (AI)
C++/JUCE
TypeScript
React
Next.js
Tailwind
Node.js
Nest.js
PostgreSQL
Docker
AWS
Featured Projects
A selection of projects demonstrating impactful solutions in FinTech, SaaS, and AI integration.
Beyond the Code
My journey isn't just about software; it's about engineering solutions that matter. From founding startups to optimizing fintech platforms, I thrive on solving complex problems.
When I'm not coding, I'm diving into Sound Engineering at ITLA, mixing my passion for audio with technical precision.
Education
ITLA: Sound Engineering
In Progress | 2024 – 2026
Combining creativity with technical discipline.
Platzi: Professional Software Development
2019 – Present
Continuous learning across multiple specialized tracks and certifications.