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

Hugo

From Portugal (UTC+1)flag

Full-stack Web Developer|Strong senior

Hugo – Node.js, Typescript, React

Hugo is a strong senior full-stack engineer with deep expertise in TypeScript, React, Node.js, and AWS, demonstrated through end-to-end ownership of healthcare EMR systems and AI-powered solutions. He has led architecture migrations, built scalable backend services, and contributed to both product and technical decisions in startup environments. Hugo is recognized for clear communication, pragmatic problem-solving, and a collaborative, product-focused mindset. His experience spans frontend, backend, infrastructure, and AI integration, with a track record of delivering robust solutions in small, agile teams.

7 years of commercial experience in
AI
Healthcare
Healthtech
Mobile apps
Main technologies
Node.js
4.5 years
Typescript
7 years
React
4.5 years
AWS
4.5 years
JavaScript
3 years
Additional skills
Swift
Rust
CI/CD
PWA
Next.js
Redis
MongoDB
Express.js
Amazon ECS
Amazon S3
AI agent development
Android
iOS
UI/UX
Product design
Direct hire
Possible
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Experience Highlights

Senior Software Engineer
Jul 2023 - Jul 20263 years
Project Overview

A healthcare project supporting a network of private family medicine clinics, focused on delivering accessible primary care services and coordinating patient care across multiple locations.

Responsibilities:
  • Scoped, designed, developed, tested, and deployed features in collaboration with the executive team, using product analytics to guide future priorities;
  • Represented engineering in executive discussions, translating business requirements into actionable deliverables for a two-engineer team;
  • Consolidated iOS, Android, and web applications into a single PWA codebase, reducing feature delivery time by more than 3x;
  • Led the migration of a legacy JavaScript codebase to TypeScript, improving maintainability and code quality;
  • Built AI agents that operated directly on patient health records within strict privacy and access-control requirements;
  • Developed a compression-based document classifier in Rust and parallelized it across CPU cores to optimize performance for a CPU-bound workload.
Project Tech stack:
AWS
CI
CD
Kotlin
Node.js
PWA
React
React Native
Rust
Stripe API
Swift
Twilio API
Typescript
Lead Mobile Application Developer
Dec 2019 - Jul 20233 years 6 months
Project Overview

A healthcare technology project consisting of two mobile applications designed for patients and medical professionals. The patient-facing app provides secure access to health records, telemedicine appointments, and health management tools such as medication and menstrual cycle tracking, including algorithm-based period and ovulation predictions. The medical staff app provides mobile access to core electronic medical record (EMR) functionality, including health record and appointment management, payments and subscriptions, inventory, and other day-to-day clinical operations.

Responsibilities:
  • Designed, developed, and maintained both mobile applications for Android and iOS, ensuring consistent functionality and user experience across platforms;
  • Took ownership of UI/UX design alongside engineering, creating prototypes, defining user flows, and delivering final designs for new features;
  • Translated product requirements into user-friendly mobile interfaces and implemented the designed solutions across both applications;
  • Designed and delivered a comprehensive UI/UX revamp across the mobile applications, modernizing the overall user experience and visual design;
  • Collaborated with stakeholders to refine feature requirements, validate design concepts, and ensure successful delivery from initial prototype through production.
Project Tech stack:
Swift
UIKit
Android
Kotlin
Full-stack Engineer
Apr 2022 - Apr 20231 year
Project Overview

A live online poker platform that allowed players to participate in real-time games against professional dealers at physical poker tables. The platform streamed live video and audio from the tables, providing an interactive casino experience remotely. The platform also supported cryptocurrency-based payments, enabling users to fund their accounts and participate in games using digital currencies.

Responsibilities:
  • Served as one of two engineers on the platform in a part-time contract role;
  • Owned the player client and dealer console;
  • Contributed across the Node.js and Express.js backend using MongoDB and Redis;
  • Built middleware connecting the backend to physical poker tables via RFID readers for real-time card detection;
  • Shipped the marketing site in Next.js with static generation and SEO;
  • Ran the AWS infrastructure using Amazon EC2, Amazon ECS, Route 53, Amazon CloudFront, and Amazon S3.
Project Tech stack:
AWS
Amazon CloudFront
Amazon EC2
Amazon ECS
Amazon S3
Express.js
MongoDB
Next.js
Node.js
Redis
Typescript
Junior Test Engineer
Jul 2019 - Dec 20195 months
Project Overview

A healthcare project combining a patient-facing mobile application with a web-based electronic medical record (EMR) system to support the operations of a family practice clinic. The platform enabled patient engagement and streamlined clinical workflows through integrated mobile and web applications.

Responsibilities:
  • Developed comprehensive integration, end-to-end, and unit test coverage for Android, iOS, and web applications using React;
  • Integrated automated testing into the CI/CD pipeline;
  • Developed an internal iOS application using Swift.
Project Tech stack:
Jest
Kotlin
Swift
JavaScript
React
Selenium
Microsoft Azure
CI
CD

Education

2019
Computer Engineering
BSc
2018
Computer Science
Erasmus Exchange Semester

Languages

Portuguese
Advanced
Spanish
Upper-intermediate
English
Advanced

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