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Alessandro – React, Typescript, Node.js, experts in Lemon.io

Alessandro

From Switzerland (UTC+2)flag

Full-stack Web Developer|Senior

Alessandro – React, Typescript, Node.js

Alessandro is a senior full-stack engineer with 11 years of experience across React, Next.js, Typescript, Node.js, and AWS. He has led architecture and delivery for numerous MVPs, integrating AI APIs and building scalable web applications for startups. He also brings hands-on leadership as a CTO and is comfortable with both front-end and back-end responsibilities.

11 years of commercial experience in
Accounting
Adtech
Advertising
AI
Healthcare
Social media
Mobile apps
SaaS
Main technologies
React
8 years
Typescript
8 years
Node.js
12 years
Next.js
5 years
AWS
5 years
Additional skills
Python
API
PostgreSQL
AI
OpenAI API
Redis
MySQL
React Native
Claude API
API Gateway
AI chatbot development
AI benchmarking
RabbitMQ
Socket.io
MapBox
Direct hire
Possible
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Experience Highlights

CTO
Oct 2025 - Ongoing5 months
Project Overview

It's a cognitive memory layer for LLMs — persistent, cross-session memory for AI agents.

Responsibilities:
  • Translated cognitive science concepts into a production-ready architecture that developers can use.
  • Built an LLM-agnostic proxy with a single-line integration, avoiding fragile RAG and vector-dump patterns.
  • Delivered the full product end-to-end: back-end memory engine, API proxy, demo, landing page, and investor narrative.
Project Tech stack:
Python
Next.js
Redis
PostgreSQL
Senior Full-stack Engineer
Jan 2019 - Ongoing7 years 2 months
Project Overview

It's an MVP development agency working with pre-seed to Series A startups across AI, SaaS, eCommerce, and AR/VR.

Responsibilities:
  • Led architecture and hands-on development of 300+ MVPs from concept to production.
  • Designed and delivered scalable web applications across AI SaaS, AR tools, eCommerce, and fintech.
  • Integrated third-party services such as payments, analytics, and AI APIs to extend product capabilities.
  • Built reusable components and internal tooling to accelerate development across multiple MVPs.
  • Contributed to system design, performance optimization, and scaling of early-stage products.
Project Tech stack:
React
Next.js
Node.js
PostgreSQL
AWS
API
Senior Software Engineer & Tech Lead
Feb 2017 - Dec 20181 year 10 months
Project Overview

It's a platform that helps SMB brands analyze online discussions to extract customer insights, monitor competitors, and protect their brand reputation in real time.

Responsibilities:
  • Designed and built scalable data pipelines to collect and process social and web data from multiple sources.
  • Developed full-stack features for real-time monitoring, alerting, and analytics dashboards.
  • Implemented NLP-based analysis to extract sentiment, trends, and key insights from unstructured data.
  • Built APIs and back-end services for data aggregation, processing, and delivery.
  • Optimized performance and data processing workflows for near real-time insights.
Project Tech stack:
React
Node.js
PostgreSQL
Redis
RabbitMQ
Senior Software Engineer
Feb 2015 - Dec 20161 year 10 months
Project Overview

It's a location-based social networking app that connects users through proximity, using an interactive map and real-time discovery.

Responsibilities:
  • Built core full-stack features for real-time user discovery using geolocation and radius filtering.
  • Developed a map-based UI to visualize nearby users and enable seamless interaction.
  • Designed and implemented back-end services for location tracking, matching logic, and user connections.
  • Optimized real-time updates and performance to deliver a smooth user experience at scale.
  • Built APIs and data models to support user profiles, interactions, and proximity-based queries.
Project Tech stack:
React Native
PostgreSQL
Redis
MapBox
Socket.io

Education

2013
Computer Science
BSc

Languages

English
Advanced

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