Łukasz Wroński
Verified Expert in Engineering
Software Developer
Mikolow, Poland
Toptal member since March 26, 2018
Łukasz is a software expert who's developed and supervised over 100 projects during the last decade. His background is primarily with the .NET platform, but currently, he is working with JavaScript technologies. As a full-stack web developer, Łukasz has been focusing his efforts on Express-based back-ends and React UIs; he also has experience working with Scrum and other Agile methodologies. Łukasz also has worked as a technical lead and a senior software architect.
Portfolio
Experience
- C# - 10 years
- JavaScript - 10 years
- Agile - 8 years
- Node.js - 6 years
- Express.js - 6 years
- NestJS - 3 years
- React - 2 years
- Next.js - 1 year
Availability
Preferred Environment
Scrum, Trello, Git, Visual Studio Code (VS Code), MacOS
The most amazing...
...thing I've coded was a password-sharing app that used public-key cryptography to never store or send them in plain text over the internet.
Work Experience
Co-Founder and Technical Consultant
Purple Deer Software Studio
- Developed a number of digital products that are now actively used, including a courier ordering website, a fintech mobile application, a microservice for fetching and aggregating data from outside sources, and a commercial property website.
- Proposed and helped to shape the architecture of the solutions created by the company.
- Helped to improve the security of developed software by introducing vulnerability assessments and other security-related techniques.
Managing Director | Tech Lead
Gorrion Software House
- Developed JavaScript and .NET apps for company customers.
- Used TDD methodology and wrote unit and E2E tests.
- Maintained the application deployment process and security.
- Analyzed client requirements and built project specifications.
- Managed development teams in an Agile manner and mentored less-experienced colleagues.
- Recruited and screened new candidates for development positions.
- Resolved customer conflicts by overcoming problems and taking care of their overall satisfaction.
- Made top-level business decisions and managed the company.
- Worked on healthcare, fitness, social media, advertising, sports, and eCommerce applications.
Senior Software Developer
LibraLogic
- Wrote interactive dashboards for data warehouses specifically designed according to business needs.
- Created data processing pipelines using custom algorithms.
- Built data flows with SQL Server Integration Services.
- Maintained and refactored pre-existing applications code.
- Created interactive charts using the amCharts library.
- Worked for the advertisement industry with interactive agencies.
Senior Software Developer | Team Leader
VoipSwitch, Inc.
- Developed a VoIP Softswitch management platform for end clients and operators.
- Created a web administration panel with users, billing, and rates management.
- Constructed a reseller's platform allowing user management.
- Prepared business documentation, including user stories and customer manuals.
- Proposed solutions for dynamically changing customer requirements.
- Supported existing deployments of the platform and monitored its performance.
- Led a small development team with an Agile approach.
Software Developer
C-State
- Created an application for healthcare software localization.
- Developed an application for tournament bracket generation.
- Supported the existing drug distribution software.
Experience
Goal.com
VoipSwitch Online Shop
Education
Master's Degree in Computer Science
Silesian University of Technology - Gliwice, Poland
Engineer's Degree in Computer Science
Silesian University of Technology - Gliwice, Poland
Skills
Libraries/APIs
React, Node.js, jQuery, Windows Forms (WinForms), PayPal API
Tools
Trello, NPM, Git, GitLab, Webpack, Gulp, HeidiSQL, Figma, Jira
Languages
ECMAScript (ES6), HTML5, JavaScript, TypeScript, C#, HTML, GraphQL, Sass, CSS, Python, Python 2, Python 3, PHP, SQL, C++
Frameworks
.NET 2, .NET 3, .NET 4, .NET Core, .NET, Redux, AngularJS, Express.js, ASP.NET Web API, Angular, Bootstrap, Cypress, ASP.NET Core, NestJS, ASP.NET MVC, FeathersJS, ASP.NET Web Forms, React Native, ASP.NET, Next.js
Paradigms
Responsive Web Design (RWD), Scrum, Agile, Object-oriented Programming (OOP), Asynchronous Programming
Platforms
Windows, Linux, Windows Server, Heroku, Azure, Visual Studio Code (VS Code), Amazon Web Services (AWS), Firebase, WordPress, MacOS, DigitalOcean, Software Design Patterns, Android
Storage
MongoDB, NoSQL, MySQL, Microsoft SQL Server, SQL Server 2016, PostgreSQL
Other
APIs, IIS, Web Security, Software Design, Networks, PayPal
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