About Lukasz
🚀 TOP RATED (JSS 100%)
🚀 Expert Full Stack Software Developer with a background in Go, Python, Javascript, PHP/Laravel/CI and Node.js
I will be glad to provide the following services (including, but not limited to):
✔️ Working on customer needs and converting them into technical requirements
✔️ Support of the entire application lifecycle (concept, design, test, release, and support)
✔️ Producing fully functional mobile applications with clean code
✔️ Designing interfaces for better user experience
✔️ Writing unit and UI tests to identify malfunctions
✔️ Troubleshooting and debugging to optimize performance
✔️ Ensuring the correct linking of the backend and frontend
✔️ Implementation of new and further existing apps development
✔️ Ensuring new and legacy applications meet quality standards
✔️ Keeping up to date with the terminology, concepts, and best practices for coding mobile apps
✔️ Cooperation with function designers, UX /UI designers, and programmers
✔️ Consulting the customer's development team
Technologies I use:
✅ Languages: Swift, Java, Dart, C++, C#, C, Go, Javascript, Python, PHP
✅ Frameworks: Flutter, Node.js, Qt, Laravel/CI, Wordpress/Shopify
✅ Design: Figma, Photoshop
✅ Cloud services: Firebase, AWS, Google Cloud Platform
✅ Persisting Data: SQLite, MySQL, PostgresSQL
✅ API: GraphQL, REST
✅ MT4, MT5, NinjaTrader 7, TOS, TradingView
✅ Reverse Engineering
✅ Python: Standard Library, Multithreading, BeautifulSoup, Requests, Pandas, lxml, asyncio, aiohttp, Selenium, websockets, httpx, etc.
✅ Frameworks: Django, Flask, Laravel, Quart, Scrapy, pytest
Contact me today and I will be glad to communicate with you and discuss the requirements of your project.
Best regards,
Polish
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- LightStepSenior Javascript DeveloperDIGITAL AND ITDecember 2015 - September 2020 (4 years and 9 months)Warsaw, Poland• Maintained the OpenTelemetry API in JavaScript for both Node.js and browser.• Was one of the main contributors for developing OpenTelemetry JavaScript. Created many parts of OpenTelemetry, including tracing and metrics.• Released stable tracing version 1.0 and experimental for metrics.• Reviewed many PR from many different contributors.• Created all main plugins for the web and also many plugins for Node.js.• Created the most popular exporter, Collector Exporter for OpenTelemetry JavaScript for tracking and metrics.Technologies: TypeScript, JavaScript, Node.js, Analytics
- Rebased Sp. Z o o.Senior Ruby DeveloperDIGITAL AND ITNovember 2011 - September 2015 (3 years and 10 months)Warsaw, Poland• Led the transition from a SQL-based search to Elasticsearch for a large eCommerce platform.• Implemented a transactional mailing system with a Thrift interface for a major classifieds portal.• Integrated a YouTube JavaScript API for a large conference website.• Worked closely with the client as the sole developer during a 6-month MVP phase - from the initial Bootstrap prototype through a number of iterations.Technologies: Elasticsearch, PostgreSQL, Bootstrap, Ember.js, JavaScript, Ruby on Rails (RoR), Ruby
- Weblify Sp. z o oRuby & iOS DeveloperDIGITAL AND ITAugust 2009 - October 2011 (2 years and 2 months)• Built a complete Ruby/Rails/MongoDB back-end for a voting & feedback system based on client designs and specs.• Was part of the core team building a local search-and-discovery application with Ruby and Rails.• Implemented geolocation and mapping features for an iPhone client connecting to a Rails back-end.Technologies: Objective-C, MySQL, jQuery, JavaScript, Ruby on Rails (RoR), Ruby
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Education
- Bachelor of Education (BEd)Warsaw University of Technology2007