Andrei
From Romania (GMT+3)
7 years of commercial experience
Lemon.io stats
2
projects done1283
hours workedOpen
to new offersAndrei – React, React Native, GraphQL
Andrei is a highly competent Full-Stack Developer with a robust set of problem-solving skills. His practical approach to development is evident, as his expertise stems directly from hands-on experience in real-world projects. Andrei's portfolio includes a diverse range of projects such as a healthcare application, a sports equipment rental app, and a unique app that enabled kids to virtually meet Santa during the COVID-19 pandemic. His versatility and practical knowledge make him a valuable asset in various development environments.
Main technologies
Additional skills
Ready to start
September 3rdDirect hire
Potentially possibleExperience Highlights
Full-Stack developer
An organization tool for creating, managing, and keeping track of projects, teams, tasks, and more.
- Created FE and BE features;
- Refactored and reworked the task-ordering feature;
- Contributed to the component library;
- Handled the stripe integration.
Full-Stack Developer
The product is designed to help children develop their cognitive skills with the aid of AI, prompting them to make up stories from scratch or based on a given storyline.
- Created the authentication process - frontend forms and logic, database structure, Cognito implementation;
- Integrated OpenAI and Azure text-to-speech;
- Developed the functionality and UI for the AI text to appear word-by-word as it's being spoken (by azure TTS) and connected the Viseme data to a talking avatar;
- Refactored parts of the code that was too "clogged."
Front-End Developer / Tech Lead
A web app used to search for beauty videos. Influencers post a video of themselves doing a make-up routine, and in the description, a link is added that takes them to this app, where they can buy all the products used in the video while watching it.
Main features:
- See the list of products used in the video
- Change the shade of the product to match your skin tone
- Add products to the cart & checkout, and get all of the products in the same order
- Structured all the custom data we needed using what the backend solution of choice (Swell) had to offer;
- Integrated with and sent data to Airtable so the back-office team could deal with the orders;
- Created new features;
- Handled direct communication with the client.
React Native Developer
It is a platform for renting sports arenas that started in Canada and is now available in some cities in the US as well. Some of the main features are:
- The main flow: select the area -> pick a sport -> pick an arena -> pick a time interval -> payment & confirmation
- Pick up games - if someone else rents an arena but does not have enough players, you can pay part of the price and join them
- Sports profile - users can add the level and their favorite position in each sport they are interested in
- Added scaling in the whole app;
- Helped to refactor the app -> updated it to the latest React Native version, and rewrote all of the class components as functional components;
- Added the multiple areas functionality when the app became available outside Toronto;
- Mentored junior developers.
Full-Stack Developer
It is a web app developed due to the COVID restrictions so that kids can meet with Santa Claus even during a pandemic.
Main features:
- Schedule a call with Santa Claus - you can add Mrs. Claus, set the number of kids that will join, etc.
- Have Santa Claus send a personalized video for your kid.
- Created the backend part of the authentication process, using NestJS, Passport, and JWT;
- Added new options to the scheduling form;
- Refactored some of the older components.
Full-Stack Developer
It is a patient decision support system that meets users where they are and motivates appropriate utilization of healthcare services.
Some of its main features are:
- Medical journal: store, update and see the evolution of your allergies, symptoms, medicines taken, and more
- Activity tracker: fitness & vitals, integrations with Fitbit, Withings, Garmin, Apple HealthKit, Google Fit, and iGlucose.
- News: pick the categories you're most interested in and get the newest information in the app.
- Food tracker: add the foods you eat in a day and get info about calories, nutrients, and more.
- Built most of the components of the mobile app;
- Created integrations with third parties;
- Developed the web admin panel;
- Helped design the database architecture;
- Interacted with and changed the AWS infrastructure;
- Developed new features.