Ladna
From Canada (GMT-5)
8 years of commercial experience
Lemon.io stats
1
projects done38
hours workedOpen
to new offersLadna – React, Python, 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
Additional skills
Rewards and achievements
Ready to start
ASAPDirect hire
Potentially possibleExperience Highlights
Lead Full-stack Developer
It is a matchmaking platform that connects individuals in search of compatible flatmates who share similar personalities.
- 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.
Full-stack Developer
The platform assists companies in streamlining their recruitment process by offering a suite of solutions, including screenings, assessments, video interviews, scheduling, and reference checks.
- 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.
Senior Full-stack Developer
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.
- 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.
Full-stack Developer
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.
- 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.