Position: Full Stack Developer
Category: JavaScript
English level: fluent
Years of experience: 3

Sauce Code (Hackathon – first runner up), Warsaw, Poland	2020
Full stack Developer
•	Accelerated page load time by 50% and heightened security for users by implementing authorization
•	Enhanced user engagement and Feedback by 20% through the integration of conversational forms
•	Reduced user error by 30% by incorporating form validation
•	Built high-performance RESTful APIs using NodeJs and MongoDB, resulting in a 40% improvement in data retrieval time
•	Boosted website performance by 25% through efficient consumption of RESTful APIs on the frontend
•	Boosted user satisfaction by 20% through contributions to the website's user-friendly design
MyHomespace (Startup), Warsaw, Poland	2021 - Present
Software Engineer
•	Recorded both the backend API and frontend logic, fostering a 50% decline in maintenance and bug fixing time, and enabling effortless expansion of the development team
•	Incorporated a payment infrastructure using Stripe, leading to a 100% improvement in online payment processing handling of subscriptions, refunds, etc
•	Collaborated closely with a UI/UX designer to ensure the development was a success, resulting in a 75% rise in user engagement and satisfaction
•	Constructed efficient RESTful APIs using up to date technologies, driving a 70% improvement in API response times and stability
•	Optimized and improved the Node.js server performance through clustering, fostering a 90% reduction in server downtime and a 20% enhancement in website speed and efficiency
Upwork (Freelance), Warsaw, Poland	2021 - Present
Software Engineer
•	Imagined, developed, scrutinized, and deployed software applications and features to production platforms, leading to a 40% uptick in user engagement and 23% reduction in development time
•	Guided software products through the SDLC (Software Development Life Cycle) with a 70% on-time, on-budget delivery rate
•	Composed clear, concise, and efficient code that trimmed the number of bugs by 80%
•	Diagnosed and debugged software, solving 70% of production issues within the first hour
•	Overseen code documentation and version control, fostering a 75% rise in team productivity
•	Acted in an agile environment to launch software on a regular schedule, resulting in a 37% improvement in time to market, boosting in business by 15%
Santander Bank, Madrid, Spain	2022 
Full stack developer
•	Authored secure, optimized, and maintainable code, resulting in a 15% drop in bugs and a 10% enhancement in code efficiency
•	Erased, tested, and fixed software issues, shortening resolution time by 30% with the application of testing libraries and automated testing frameworks
•	Strengthened technical documentation and user guides, driving a 40% boost in team productivity and software development practices
•	Collaborated with designers and product managers to understand user requirements and create functional and aesthetically pleasing designs, leading to a 25% acceleration in development
•	Scripted automation tests to ensure security and efficient functional testing, leading to a 50% surge in overall system