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Albert – JavaScript, React, Node.js, experts in Lemon.io

Albert

From Poland (GMT+2)

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Front-end Web DeveloperSenior
Hire developer
7 years of commercial experience
AI
Cybersecurity
E-learning
Energy
Fintech
Real estate
Social media
B2C
Marketplace
AI software
LMS
Mobile apps
SaaS
Lemon.io stats
1
projects done
464
hours worked
Open
to new offers

Albert – JavaScript, React, Node.js

Albert is an experienced developer focusing on pixel-perfect, high-fidelity front-end development. He has 5+ years of professional experience building React/React Native applications and has worked on various projects in financial, mortgage, music, healthcare, cryptocurrency, and many others. Albert has a good eye for detail and knows UI/UX principles. He loves CSS; in his free time, he creates CSS art. He is also a mentor for junior front-end developers and an IT blogger.

Main technologies
JavaScript
6 years
React
5 years
Node.js
3 years
Typescript
3 years
Next.js
1 year
Additional skills
React Native
Express.js
Redux
Gatsby.js
REST API
UX
Prisma
HTML
GraphQL
Trello
CSS
CI/CD
AWS
Ready to start
ASAP
Direct hire
Potentially possible

Experience Highlights

Senior Full-stack Developer
Apr 2023 - Ongoing1 year 1 month
Project Overview

Marketplace for cold-blooded animal breeders.

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Responsibilities:

Achieved performance improvements:

  • sped up loading time of the homepage by 20%,

  • removed dead code from the bundle and decreased its size by 25%,

  • wrote better webpack chunks config,

  • performed custom lazy loading retry for React lazy load.

  • Worked on new features;

  • Fixed bugs for react and legacy code;

  • Performed the transition from Django Templates to React;

  • Deployed to Apple Store / Google Play;

  • Created custom animations and micro-interactions;

  • Conducted PR reviews;

  • Wrote documentation.

Project Tech stack:
React
JavaScript
HTML
CSS
SCSS
Django
Django REST
Webpack
CI
CD
GitHub
GitHub Actions
Senior Front-end Developer
Jan 2023 - Aug 20236 months
Project Overview

Retirement platform for the solo-preneur and wealth management fintech for connecting bank deposit accounts with retirement plans.

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Responsibilities:
  • Integrated KYC & KYB with Alloy;
  • Re-created current modules of the web app to match the new UI;
  • Brainstormed and developed new features.
Project Tech stack:
React
Gatsby.js
Tailwind CSS
React
GitHub
Jira
HTML
CSS
Zustand
Senior Front-end Developer
Nov 2022 - Apr 20234 months
Project Overview

This is an early-stage startup aiming to increase the global impact of AI by radically improving the way AI is deployed.

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Responsibilities:

Frontend:

  • Created a new UI for marketing pages,
  • initialized the SAAS project,
  • created authorization & authentication,
  • Discussed and changed SAAS app features.

Design:

  • conducted research and competitive analysis,
  • designed new marketing pages,
  • redesigned of the current SAAS app,
  • designed the new SAAS app.
Project Tech stack:
React
Next.js
Figma
Senior Front-end developer, Team Lead
Jun 2022 - Jan 20237 months
Project Overview

The app analyses the server for threats and then shows details about dangers that were found.

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Responsibilities:
  • Performed integration with REST API (300+ endpoints);
  • Conducted daily meetings with the backend, PM, and business;
  • Brainstormed features.
Project Tech stack:
HTML
CSS
React
SCSS
REST API
Typescript
Full-stack Developer, Team Lead
Nov 2021 - Aug 20228 months
Project Overview

This is an education platform currently focused only on design. It contains a lot of helpful design/coding articles. Right now, it's still in the Alfa version.

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Responsibilities:

Backend:

  • Created the whole API in Expressjs, including authorization and authentication (JWT + Passport.js);
  • Integrated payments with Paddle.js;
  • Provided documentation with Swagger;
  • Integrated tests with SuperTest and JEST;
  • Integrated Slack notification.

Frontend:

  • Created pixel-perfect layouts;
  • Created comment app in the project (like inVision) for daily UI challenge;
  • Integrated UI with API;
  • Integrated with Gumroad API;
  • Improved performance;
  • Improved SEO (search console, ahrefs).

Team leading:

  • Provided code reviews;
  • Created tickets for other developers;
  • Discussed business logic with UX designers.
Project Tech stack:
React
Next.js
Express.js
HTML
CSS
Node.js
PrismaJs
JavaScript
AWS
Typescript
MVP
Paddle API
Passport.js
Gumroad API
SCSS
REST API
Fron-end Developer
Dec 2021 - Feb 20222 months
Project Overview

US Client. This project was a social media platform but for med. It was about accessing valid news/articles and sharing them with your groups. Albert's primary role was to speed up the creating app process and help the dev team build one part of the app.

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Responsibilities:
  • Created collections of articles (CRUD);
  • Refactored old code;
  • UAT of the old code with the design team and then refactor. Most of the UI wasn't matching the designs;
  • Did code review for other frontend developers;
  • Discussed business logic with the UX team and PM;
  • Provided unit tests for his part of the project (JEST);
  • Debugged and resolved the application issues;
  • Improved performance;
  • Improved SEO.
Project Tech stack:
React
Redux
Typescript
GraphQL
Ant Design
i18next
SCSS
MVP
Unit testing
Front-end Developer
Sep 2021 - Dec 20213 months
Project Overview

US Client. A landing page for the physical security platform. The website is constantly evolving after A/B tests.

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Responsibilities:
  • Created pixel-perfect UI;
  • Integrated forms with Hubspot;
  • Created custom animations.
Project Tech stack:
HTML
CSS
Next.js
Hubspot
Emotion
Front-end Developer
Feb 2021 - Jun 20214 months
Project Overview

US client. The project is a US app for getting pre-approved for a mortgage. People must fill in basic information about the house/flat and personal details. Then, the app sends the details to API and retrieves some offers for the user. Users can filter and sort those offers. After users choose a specific offer, they might apply to the company to get more details.

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Responsibilities:
  • Created the whole app on his own;
  • Created a pixel-perfect layout;
  • Integrated the APP with Storyblok CMS ( a lot of integrations, including A/B testing for sorting/filtering);
  • Integrated Netlify identity;
  • Connected frontend app with external API.
Project Tech stack:
React
Next.js
HTML
CSS
SCSS
Storyblock

Education

2016
Civil Engineering
Bachelor of engineering

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