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Ladna – Python, React, Django, experts in Lemon.io

Ladna

From Canada (GMT-5)

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Full-stack Web DeveloperSenior
Hire developer
8 years of commercial experience
Gamedev
Job and career services
Real estate
Dev tools
Platforms
Gaming software
Lemon.io stats
1
projects done
38
hours worked
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Ladna – Python, React, Django

Ladna is an experienced Full-stack developer with a wealth of knowledge spanning 7 years. As a Senior Developer, he demonstrates proficiency in Python, React, Node.js, and various AWS services. Notably, Ladna contributed to a startup project involving complex system architecture with a Django monolith and various services. Additionally, Ladna's soft skills, particularly in communication and problem-solving, are highly commendable. During the interview, he showcased strong proficiency in Python and React fundamentals, backend concepts, data validation, and API design. Ladna is available full-time and ready to jump on board asap.

Main technologies
Python
4 years
React
5 years
Django
4 years
Node.js
5 years
AWS
4 years
Typescript
4 years
Additional skills
RabbitMQ
Amazon SQS
Kafka
BigQuery
MongoDB
Docker
JavaScript
React Native
GraphQL
PostgreSQL
Redux
Express.js
Google Map API
Tailwind CSS
Bootstrap
GCP
Rewards and achievements
Tech interviewer
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ASAP
Direct hire
Potentially possible

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Experience Highlights

Lead Full-stack Developer
Jun 2021 - Jan 20242 years 7 months
Project Overview

It is a matchmaking platform that connects individuals in search of compatible flatmates who share similar personalities.

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Responsibilities:
  • Researched and developed a proprietary matchmaking recommendation algorithm;
  • Established the complete frontend and backend infrastructure;
  • Conducted interviews and hired junior engineers;
  • Implemented and managed observability tools, such as Sentry, New Relic, and Logzio;
  • Oversaw the deployment and release of microservices;
  • Led sprint planning, estimation, and retrospectives.
Project Tech stack:
React
Django
AWS
Typescript
RabbitMQ
Celery
Amazon ECS
Amazon CloudFront
Docker
PostgreSQL
Python
GCP
Bootstrap
Full-stack Developer
Mar 2018 - Nov 20224 years 7 months
Project Overview

The platform assists companies in streamlining their recruitment process by offering a suite of solutions, including screenings, assessments, video interviews, scheduling, and reference checks.

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Responsibilities:
  • Led the migration project to update multiple legacy angularJs projects to react, redux, and typescript with notably improved performance;
  • Improved react frontend test coverage from 0% to ~85% using jest;
  • Improved performance of micro-frontend applications by introducing chunking, reduced bundle size, virtualization, lazy loading, optimizing re-renders, and using service workers;
  • Created a fully white-labeled portal that complies with a11y accessibility standards, enabling candidates to conduct interviews, record videos, and upload documents;
  • Introduced technical and behavioral changes to the React Native iOS and Android mobile apps to improve ratings from 2.5 stars to 4.9 stars
  • Managed code reviews and mentoring.
Project Tech stack:
React
React Native
Django
Python
JavaScript
Angular JS
Node.js
Senior Full-stack Developer
Jun 2021 - May 202211 months
Project Overview

The platform enables gamers to effortlessly create and share fantastic gaming moments, even if they don't possess high-powered computer or video editing skills. We achieve this by applying pre-selected configurable effects such as music, meme overlays, and slow motion. This is done by replaying the games in the cloud and extracting the relevant information.

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Responsibilities:
  • Revamped the existing codebase, incorporating GraphQL, enhancing faceted searching, implementing frontend caching, and transitioning to a fully serverless architecture;
  • Gradually introduced TypeScript and elevated test coverage for the codebase;
  • Conducted research and developed the "mobile clips" feature, enabling the transformation of original 16:9 videos/clips into "social media-optimized" 9:16 videos. Adjustments were made for screen texts, watermarks, and HUDs to ensure compatibility;
  • Established and monitored analytics using Segment and Mixpanel;
  • Created the "remix" feature, allowing users to reapply custom effects to previously generated videos and automatically generate mobile-optimized versions;
  • Rewrote and migrated the discord.js bot, which is actively used in over 15,000 servers, to TypeScript and deployed it on AWS Fargate.
Project Tech stack:
React
AWS
Amazon ECS
Node.js
MongoDB
Amazon CloudFront
Serverless Computing
Amazon SQS
GraphQL
Apollo GraphQL
Tailwind CSS
Full-stack Developer
Nov 2016 - Mar 20181 year 4 months
Project Overview

It is a platform for developers to offer mentorship and provide on-demand, one-on-one live coding sessions, as well as opportunities for freelance projects. One of the significant projects Ladna worked on involved creating a LinkedIn "clone." This application allows users to browse job listings and generate custom resumes tailored to their user profile, work experience, and the text of the job description.

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Responsibilities:
  • Rated 5 stars from 700+ mentoring sessions, code reviews, and freelance projects;
  • Developed a web application that used NLP to read job descriptions and generate custom resumes. I built the nodeJs backend, the angular frontend, and parts of the Python NLP service;
  • Developed geo-location-based ionic mobile app to create games and get invited to nearby games (NDA);
  • Built and developed an e-commerce application with real-time bidding/auctioning;
  • Mentored a myriad of people and helped debug and solve complex problems.
Project Tech stack:
Angular JS
Angular
React
Typescript
Django
Python
AWS
GraphQL

Education

2012
Electrical/Electronic Engineering
Bachelors of Science

Languages

English
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