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English - Polish -

About Me

I am an experienced Senior Software Engineer with a strong proficiency in JavaScript, TypeScript, React, and Node.js, leveraging a deep understanding of both front-end and back-end technologies. I am adept in building scalable, high-performance applications using MongoDB, Golang, and serverless architectures, with a proven track record of delivering innovative solutions. I am skilled in cloud platforms such as Google Cloud and AWS, as well as containerization technologies like Kubernetes. I am committed to optimizing workflows and driving development best practices using Git and modern version control strategies. I have demonstrated the ability to work in fast-paced, collaborative environments while consistently meeting deadlines and exceeding client expectations. I am passionate about staying ahead of industry trends and continuously expanding my technical expertise.

Skills

Problem SolvingAWSCommunicationTime ManagementJavaScriptKubernetesCollaborationReactDockerCI CDTypeScriptLeadershipGitDevOpsMentoringMicroservicesMongoDBTestingGolangTeamworkWeb DevelopmentHTML5CSS3

Experience

Senior Software Developer @ Sii Poland
Sep 2021 - May 2025

Engineered and optimized scalable web applications using JavaScript, TypeScript, React, and Node.js, ensuring top-tier performance and maintainability. Utilized cloud technologies, including AWS and Google Cloud, to design serverless architectures and improve deployment processes. Guided junior developers through mentorship and code reviews, promoting adherence to best practices and enhancing team productivity. Designed and implemented microservices with Golang, integrating seamlessly with MongoDB to boost application performance. Managed containerization and deployment processes with Kubernetes, improving CI/CD workflows and reducing system downtime.

Frontend Developer @ GFT Technologies
Oct 2019 - Sep 2021

Crafted dynamic, responsive user interfaces with React, JavaScript, HTML5, and CSS, delivering optimal experiences across multiple devices. Collaborated within Agile teams to refine user experiences, translating business requirements into functional, polished front-end code. Enhanced application speed and user interaction by implementing front-end performance optimization techniques.

Junior Frontend Developer @ Rossmann SDP
May 2018 - Oct 2019

Built and maintained e-commerce features using HTML5, CSS, and JavaScript, improving user engagement and overall site functionality. Worked closely with senior developers to implement new features and resolve bugs, enhancing site performance across multiple devices.

Education

University of Lodz
May 2021

Bachelor of Computer Science

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