Available to hire
Senior Full Stack Developer with extensive experience in backend and frontend engineering, specializing in building scalable, high-performance applications. Passionate about leveraging modern technologies to develop robust and efficient solutions.
I enjoy problem-solving, collaborating with talented teams, and continuously learning new technologies to enhance my skills.
Skills
Experience Level
Language
English
Advanced
Work Experience
Senior Full Stack Developer at 2K -Group
August 1, 2023 - PresentImplemented and optimized backend functionalities using Python, contributing to system scalability and performance. Applied ideas from distributed computing, large-scale design, real-time data processing, data storage, ML/AI to solve challenging dataset problems. Redesigned the homepage, product detail pages, and listing pages with new business logic and REST API implementations using React v18, Next.js v13 and Nest.js. Rebuilt a 3-year-old SaaS application in React and Laravel with a full UX redesign to release a beta MVP. Transformed the app to mobile-first and fully responsive using Vue and Ionic. Heavily customized an eCommerce platform with Next.js and Django Rest Framework to support conditional product options. Mentored 3 junior frontend developers. Containerized micro-services with Docker and Kubernetes. Defined unit and integration tests using Mocha, Chai and Jest; contributed to e2e tests with Selenium.
Experienced Full Stack Developer at Duve
November 1, 2021 - August 1, 2023Developed an e-commerce site with a micro-services architecture using Node.js and Django in an Agile environment. Built and maintained responsive Vue.js applications with TypeScript and SCSS. Created an advertising platform, including prototyping, wireframing, debugging and coding with Vue.js, Node.js and MongoDB. Used Node.js and Express for routing, error handling, and request/response handling. Implemented Apollo Client with React and Django to communicate with the GraphQL server. Led frontend development teams using React, Next, Angular, GraphQL and TypeScript, increasing customer satisfaction by 30% and retention by 40%.
Full Stack Developer at Dreemz
March 1, 2020 - October 1, 2021Participated in MVP motorcycle insurance project using React, Express, TypeScript, GraphQL and PostgreSQL. Used Cypress for functional testing. Deployed serverless web applications to AWS Lambda and used AWS RDS. Read and thumbnailed photos from S3, created a thumbnail version and stored it in another S3 bucket. Developed REST API for management system using Flask and frontend with React. Migrated frontend from JS to TS, improving team workflow by 20%. Participated in P2P code reviews.
Junior Full Stack Developer at Bad Azz Customs
May 1, 2018 - March 1, 2020Developed data-driven products to enhance platform insights using Python and React. Designed and implemented scalable backend services using Node.js and Python. Built high-performance data pipelines and real-time analytics dashboards. Designed and developed RESTful APIs for data retrieval and user interactions. Built a Casino Roulette App from scratch using React Native and Laravel. Transitioned the entire project from React to SvelteKit, which involved learning a new framework from scratch. Developed frontend components using React and TypeScript to visualize analytics. Improved system reliability and observability using monitoring and alerting tools.
Education
Bachelor’s degree at Kozminski University
January 1, 2014 - January 1, 2018Bachelor’s degree at Kozminski University
January 1, 2014 - January 1, 2018Qualifications
Industry Experience
Software & Internet, Retail, Professional Services
Skills
Experience Level
Hire a Full Stack Developer
We have the best full stack developer experts on Twine. Hire a full stack developer in Warsaw today.