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Petr – Angular, Angular JS, JavaScript, experts in Lemon.io

Petr

From Czech Republic (GMT+2)

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Full-stack Web DeveloperSenior
Tech Consultant
Mobile DeveloperMiddle
Hire developer
14 years of commercial experience
Advertising
Banking
Fintech
Social media
AI software
Lemon.io stats
1
projects done
578
hours worked
Open
to new offers

Petr – Angular, Angular JS, JavaScript

Petr is a seasoned software developer with over 10 years of experience. He possesses strong expertise in JavaScript, TypeScript, Node.js, and Angular and has recently acquired skills in Flutter, React, and Next.js. Petr is known for his excellent problem-solving and time management skills, extensive research experience, and self-education.

Main technologies
Angular
5 years
Angular JS
5 years
JavaScript
8 years
Typescript
5 years
Flutter
2 years
React
1 year
Node.js
5 years
Additional skills
MongoDB
REST API
Dart
Java
SQL
Python
GCP
BigQuery
PostgreSQL
GCP
Next.js
Django
Nest.js
CQRS
EventBus
Amazon S3
Web scraping
Tailwind CSS
Ready to start
ASAP
Direct hire
Potentially possible

Experience Highlights

FullStack developer
Sep 2023 - Ongoing9 months
Project Overview

Smart financing for your online business - Accelerate your growth with fast funding and valuable insights for eCommerce retailers and digital entrepreneurs.

Skeleton
Skeleton
Skeleton
Responsibilities:
  • integration with banking API
  • created a feature toggle - enabling turning on selected features to just few beta users
  • enhanced authentication
Project Tech stack:
Nest.js
PostgreSQL
React
CQRS
EventBus
Amazon S3
Typescript
Tech lead, full stack developer
Jun 2022 - Dec 20231 year 6 months
Project Overview

It is an AI-powered social media assistant helps you develop content to build your credibility on Tiktok, Instagram, Youtube, and Linkedin.

Skeleton
Skeleton
Skeleton
Responsibilities:
  • designed frontend and backend architecture on GCP + Flutter, after time we added web dedicated in Next.js
  • integrated content metrics extraction with Instagram, TikTok and Youtube
  • Auth0 service as authentication service
  • developed Flutter application run on Android and iPhone
  • configuration of GCP
  • Django API backend
  • integration with OpenAI API leveraging ChatGPT in the content recommendations
  • Node.js with Typescript serverless integration
  • Scraping of articles and public profiles
Project Tech stack:
Flutter
Node.js
GCP
Django
Next.js
Typescript
Tech lead
Jan 2018 - Nov 20224 years 9 months
Project Overview

The internal data warehouse for Google aggregates PPM data from internal and external systems, like Workfront and Jira, and does schema transformations to satisfy reporting needs.

Skeleton
Skeleton
Skeleton
Responsibilities:
  • Designed the architecture of the warehouse and data collection
  • Participated in the implementation phase
  • Designed and implemented privacy layer for data queries
  • Led a team of 10 developers across multiple timezones
  • Participated in annual OKR plannings of broader team
Project Tech stack:
SQL
Dart
Python
JavaScript
Full-Stack Web Developer
Apr 2017 - Feb 201810 months
Project Overview

Google's Internal application to aggregate and create basic reporting dashboards for users not efficient with SQL queries and internal dashboarding application.

  • Integrates internal dashboarding application and enables creation of simple dashboards from predefined templates
  • Users can configure the scope of data they want to show in dashboards, supporting multiple data sources
Skeleton
Skeleton
Skeleton
Responsibilities:
  • Created design for both frontend and backend
  • Implemented full functionality of frontend and participated on backend
  • Wrote unit and e2e tests
Project Tech stack:
Angular
Dart
Java
Front-End Web Developer
Nov 2015 - Apr 20171 year 5 months
Project Overview

The internal project management tool at Google. Defines project charter, plan, and updates to support integration with other internal systems (e.g., ticket system) and allow complex reporting export options.

Skeleton
Skeleton
Skeleton
Responsibilities:
  • Worked on planning inline sheets-like editor used by 10+k internal users
  • Implemented drag&drop functionality for setting the task dependencies
  • Debugged and fixed issue with sheet column size expansion
  • Extended configuration options for reporting exports
  • Wrote unit tests
  • Participated in design of integration of other internal systems
Project Tech stack:
JavaScript
Full-Stack Web Developer
Jun 2014 - Oct 20151 year 4 months
Project Overview

Company provides monetization of advertising space on a web.

  • UI for uploading media and setting the ads
  • Interface to communicate with Google Ads API
  • Backend made of NodeJS microservices
Skeleton
Skeleton
Skeleton
Responsibilities:
  • Implemented authentication for the whole ecosystem
  • Created pages to upload medias and configure the ads, both FE and BE part
  • Enhanced functionality of backend based on CQRS architecture with event sourcing framework
  • Wrote unit and e2e tests
Project Tech stack:
Angular JS
MongoDB
REST API
JavaScript
Node.js

Education

2014
Web engineering
Engineer's degree
2012
Software technologies and management, web and multimedia
Bachelor

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