Lead Frontend Developer / Feature Owner

• Nov 2022 - Present

- leading a team of 2-5 devs (junior, mid, senior) - managing app releases - involvement in daily discussions with business; managing, refining, and estimating sprints - implementation and maintenance of CI/CD pipelines (GitHub Actions) with mobile app release automation - verifying business requirements, negotiating scope and tech details - architectural meetings and involvement in architectural and UX design of frontend applications - ensuring best practices, paying tech debt, refactoring for better maintainability, supervising other devs - daily code reviews, ensuring good testability and maintainability of the code - mentoring, knowledge sharing - paying off tech debt while increasing test coverage - co-operation with English speaking, multicultural teams from around the world Show less

Właściciel

• Nov 2019 - Present

Lead Frontend Developer

• Feb 2022 - Nov 2022

General: - leading a team of 5 devs (junior, mid, senior) - involvement in daily discussions with business, managing sprints, refinements, estimations - verifying business requirements, negotiating scope and tech details - architectural meetings and involvement in architectural and UX design of frontend applications - ensuring best practices, paying tech debt, refactoring for better maintainability, supervising other devs - daily code reviews, ensuring good testability and maintainability of the code - co-operation with English speaking, multicultural teams from around the world Project #1: FinTech social platform - daily code reviews and code quality assurance - ensuring good quality of tests and application of best practices from other developers - mentoring junior/mid/senior developers - improving the codebase by removing tech debt Show less

Senior Frontend Developer

• Nov 2019 - Feb 2022

General: - architectural meetings and involvement in architectural and UX design of frontend applications - ensuring best practices, paying tech debt, refactoring for better maintainability, supervising other devs - daily code reviews, ensuring good testability and maintainability of the code - co-operation with English speaking, multicultural teams from around the world Project #1: Virtual Bank - Stack: React Native, GraphQL Client + Server, OpenAPI contracts, Testing Library/Jest, Storybook, TypeScript, DataDog - daily code reviews and code quality assurance - ensuring good quality of tests and application of best practices from other developers - mentoring mid/senior developers - improving the codebase by removing tech debt - daily technical discussions with multicultural, mostly senior+ tech team Project #2: Voice Interface - chatbots (tech lead) - Stack: Dialogflow ES and CX, Cloud-based AI services, Node.js, Express, TypeScript - research & development of chatbots with Voice Interface, created using Google Dialogflow - responsible for designing and implementing the conversation flow and integrating it with a custom-made Node.js backend written in TypeScript - with the help of a PM, UX designer and a tester we were able to create two PoC chatbots: one for railway company and one for scheduling meetings for our consultant with the use of Google Calendar Project #3: Registration funnel and customer dashboard for investment bank - Stack: React, GraphQL/REST API, Auth0, Storybook, Testing Library/Jest, TypeScript - involvement in architectural design of the frontend application - daily mentoring, code reviews and code quality assurance - daily technical discussions with client's own, multicultural tech team Show less

Software Engineer III / Lead React Developer

• Jul 2017 - Oct 2019

General: - daily mentoring, architectural meetings - development of company "seed" projects - code base for kickstarting new projects - daily code reviews, maintaining good testability and using best practices - internal architectural audits, discussions about more shareable and maintainable code - co-operation with English speaking teams from the US Co-op project with a US team: - React/Next.js; mentoring, code review E-Learning Platform: - React, Material UI, @testing-library, TypeScript, Internal Project 1: - portal for load testing, with dashboards and real-time charts - React, Apollo GraphQL, Jest, Enzyme/@testing-library Car-sharing platform: - portal for managing car-sharing fleet workers, with real-time info and job batching; React Native app for workers - tech lead of frontend microservice architecture, custom framework with custom plugins and configuration, shared with another platform and with the React Native app - React, Redux, React Native, Jest, Enzyme, E2E testing (Cucumber, Nightwatch), Webpack I18N panel: - small panel for managing internationalization resources - React, Redux, Jest, Enzyme VR Portal: - VR streaming content management portal, with an embedded VR player - Angular, Node.js Show less

Full-Stack Developer

• Sep 2012 - Jun 2017

Development of e-Commerce and CRM platforms – PHP, HTML, CSS, JavaScript, MySQL, SVN, Optima. Development of Single Page Application using Canvas. Development of financial data visualization platform with backend integration to R language scripts and custom caching. Zend Framework 1, PHP, MySQL HTML, CSS, JavaScript, ES6, jQuery, AJAX, React + Redux Gulp Bootstrap, LESS, SASS, Git, SVN Development of e-Commerce and CRM platforms – PHP, HTML, CSS, JavaScript, MySQL, SVN, Optima. Development of Single Page Application using Canvas. Development of financial data visualization platform with backend integration to R language scripts and custom caching. Zend Framework 1, PHP, MySQL HTML, CSS, JavaScript, ES6, jQuery, AJAX, React + Redux Gulp Bootstrap, LESS, SASS, Git, SVN

Full-Stack Developer, Translator, Editor

• Apr 2009 - Sep 2013

- created a translation platform for Iron Squad translating team (using PHP, MySQL and jQuery) which allowed to import game localization files in various formats and translate the strings via website - translated a couple of games (English->Polish) using the mentioned platform - took a big part in the translations editing and QA - created a translation platform for Iron Squad translating team (using PHP, MySQL and jQuery) which allowed to import game localization files in various formats and translate the strings via website - translated a couple of games (English->Polish) using the mentioned platform - took a big part in the translations editing and QA