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Alex – AWS, React, Typescript, experts in Lemon.io

Alex

From Portugal (UTC+1)

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Full-stack Web DeveloperSenior
Back-end Web DeveloperSenior
Front-end Web DeveloperSenior
Hire developer
11 years of commercial experience
Adtech
Analytics
Business intelligence
Data analytics
E-commerce
Fintech
Healthcare
Recruiting
Social media
Tourism
Content management
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Alex – AWS, React, Typescript

Meet Alex, a Senior Software Engineer with over 10 years of commercial experience in the industry! With high-level expertise in React.js and Node.js, Alex has impacted projects in domains like medicine, private equity, and intelligence, leveraging businesses of different sizes to new horizons.

His solid-level hard skills are well blended with his emotional maturity and senior-level mindset, leaving no room for inefficiency!

Main technologies
AWS
6 years
React
8 years
Typescript
8 years
Node.js
8 years
Next.js
5.5 years
Additional skills
Jest
Tailwind CSS
Playwright
MongoDB
PostgreSQL
Microservices
GCP
DynamoDB
Terraform
Nest.js
Docker
OpenAI API
GraphQL
Express.js
React Native
Three.js
OpenAI
Supabase
TipTap
Kubernetes
CI/CD
Strapi
Firestore
Monorepo
AWS Lambda
Ready to start
ASAP
Direct hire
Potentially possible

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Experience Highlights

Senior Front-end Engineer
Nov 2023 - Oct 202411 months
Project Overview

A major healthcare platform in the U.S. that focuses on making prescription medications more affordable and accessible. It provides tools for price comparisons, discounts, and coupons, helping patients save on medications at pharmacies nationwide. By simplifying healthcare costs, it ensures better affordability and access to essential treatments.

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Responsibilities:

Alex's main responsibilities included:

  • improved content ranking and SEO, optimizing crawl budget and performance metrics based on web vitals and Lighthouse reports;
  • implemented reliable event tracking using Segment and Google Analytics;
  • improved accessibility for screen readers and assistive devices;
  • expanded the platform’s integration with Contentful to enable non-engineering staff to have more granular control over the content.
Project Tech stack:
React
Next.js
Apollo GraphQL
Terraform
AWS
Tailwind CSS
Typescript
Styled-components
Contentful
Playwright
Full-stack Engineer
Apr 2023 - Oct 20236 months
Project Overview

This customer was a comprehensive platform designed for private equity funds and investors to efficiently manage and track their investment portfolios. It offered tools for monitoring performance, analyzing data, and streamlining reporting processes. By providing actionable insights, it empowered users to make informed decisions and optimize their investment strategies.

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Responsibilities:

Among Alex's achievements:

  • implemented a microservice to streamline the process of generating PDF reports at scale;
  • migrated several polyrepos to a monorepo, and moved the CI/CD process from Gitlab to Github Actions;
  • implemented key functionalities within the platform, enabling fund managers to visualize data and stay in touch with investors.
Project Tech stack:
React
Node.js
AWS
MongoDB
Redis
Typescript
API
GitHub Actions
MongooseODM
Lead Full-stack Engineer
May 2022 - Jul 20231 year 2 months
Project Overview

This particular project was a greenfield platform designed to streamline data analysis by enabling analysts to ingest, query, and generate reports effortlessly. It simplified complex data workflows, offering intuitive tools for efficient data processing and visualization. The solution empowered users to extract insights and deliver impactful reports with ease.

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Responsibilities:

The responsibilities included the following:

  • designed the architecture, considering the constraints of a hybrid cloud environment;
  • implemented the MVP, using Node.js with Nest.js, React with Vite, MongoDB, Redis, Elasticsearch and Neo4j;
  • implemented several ETL data pipelines to ingest and process data from OSINT sources;
  • oversaw the development of key features across a team of full-stack engineers;
  • proactively aligned with stakeholders, refined business-critical requests and estimated the level of effort and priority of technical requirements.
Project Tech stack:
Node.js
Typescript
React
Docker
AWS
MongoDB
ElasticSearch
Redis
Nest.js
GitHub Actions
OpenAI API
GraphQL
Neo4j
Terraform
Full-stack Engineer
Sep 2020 - Jun 20219 months
Project Overview

This platform enabled engineers in the tech industry to connect and share knowledge about their industry and favorite companies.

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Responsibilities:
  • implemented the API service powered by Node.js, Express, and GraphQL;
  • implemented key UI features, such as push notifications and social pages;
  • led an initiative to integrate lightweight video streaming and direct messaging features.
Project Tech stack:
Node.js
React
GraphQL
AWS
Material UI
Express.js
Next.js
PostgreSQL
Full-stack Engineer
Mar 2019 - Sep 20201 year 6 months
Project Overview

This was a SaaS product that helped hotel chains create 3D virtual tours using 360-degree imagery.

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Responsibilities:
  • created new features and maintained existing features of the virtual tour app;
  • implemented key features in the CMS, such as analytics data visualization, management of 360-degree assets and subscriptions;
  • implemented a mobile app powered by React Native to help business visualize their social media activity in an aggregate feed, sourcing multiple channels.
Project Tech stack:
React
React Native
Redux
Node.js
PHP
Symfony
AWS
Material UI
Three.js

Education

2016
Computer Science
Bachelor's degree

Languages

English
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