Senior Software Engineer at Groszek

Engineered end-to-end solutions for a modern property management system, contributing to both frontend (React, Micro Frontends) and backend (Node.js, NestJS, TypeScript, Microservices) development. Implemented Zustand for state management in a Micro Frontend architecture, using Context API and TanStack Query to optimize data flow, fetching, and caching for improved performance. Collaborated closely with design teams using Figma to create pixel-perfect UI components, styled with Tailwind CSS, ensuring design consistency with Storybook. Wrote thorough frontend tests using Jest and React Testing Library to maintain UI reliability and prevent regressions. Architected scalable microservices using Node.js and NestJS, supporting complex business logic. Designed and built a suite of serverless APIs using TypeScript and AWS Lambda, handling high-throughput internal tools with low latency. Integrated frontend applications with RESTful, GraphQL, and gRPC APIs for efficient communication with micr

Full Stack Developer at Glovida

Built user-facing admin and dashboard interfaces with React and Next.js, incorporating server-side rendering (SSR) and integrating tightly with OAuth-protected APIs. Leveraged Redux, Vuex for state management, React Router, Vue Router for routing, and Axios for efficient API communication, improving application scalability, performance, and data handling. Utilized Styled Components for modular, reusable CSS in JS, streamlining the development of highly customizable and dynamic styling for components. Developed and maintained scalable backend services using Node.js and Express, ensuring efficient API performance and robust microservice architecture. Integrated front-end applications with REST and GraphQL APIs to support real-time interactions and seamless data visualization. Architected and implemented efficient data storage solutions using PostgreSQL and MongoDB, optimized for high-volume transactions and complex querying. Containerized applications using Docker and deployed them via K

Software Developer at Makro

Built responsive web pages using HTML, CSS, and Bootstrap, and Angular to enhance user experience. Developed interactive web components with JavaScript and jQuery, improving functionality. Implemented AJAX for seamless data retrieval and dynamic content updates. Designed and managed relational databases using SQL for efficient data storage and retrieval. Created server-side scripts with PHP to handle form processing and database interactions. Practiced version control and collaboration using Git for code management.

Software Developer at CreatorIQ

Built responsive web pages using HTML, CSS, and Bootstrap, and Angular to enhance user experience. Developed interactive web components with JavaScript and jQuery, improving functionality. Implemented AJAX for seamless data retrieval and dynamic content updates. Designed and managed relational databases using SQL for efficient data storage and retrieval. Created server-side scripts with PHP to handle form processing and database interactions. Practiced version control and collaboration using Git for code management.

Senior Software Engineer at Groszek

Engineered end-to-end solutions for a modern property management system, contributing both front end (React, Micro Frontends) and backend (Node.js, Nest.js, TypeScript, Microservices) development. Implemented Zustand for state management in a Micro Frontend architecture using Context API and TanStack Query to optimize data flow, fetching, and caching. Collaborated closely with design teams using Figma to create pixel-perfect UI components styled with Tailwind CSS and ensured design consistency with Storybook. Wrote thorough frontend tests using Jest and React Testing Library to maintain UI reliability and prevent regressions. Architected scalable microservices using Node.js and NestJS to support complex business logic. Designed and built serverless APIs using TypeScript and AWS Lambda to handle high-throughput internal tools with low latency. Integrated frontend applications with RESTful, GraphQL, and gRPC APIs to enable efficient communication with microservices. Implemented secure au

Full Stack Developer at Glovida

Built user-facing admin and dashboard interfaces with React and Next.js, incorporating server-side rendering (SSR) and integrating tightly with OAuth-protected APIs. Leveraged Redux, Vuex for state management, React Router, Vue Router for routing, and Axios for efficient API communication, improving application scalability, performance, and data handling. Utilized Styled Components for modular, reusable CSS in JS, streamlining the development of highly customizable and dynamic styling for components. Developed and maintained scalable backend services using Node.js and Express, ensuring efficient API performance and robust microservice architecture. Integrated front-end applications with REST and GraphQL APIs to support real-time interactions and seamless data visualization. Architected and implemented efficient data storage solutions using PostgreSQL and MongoDB, optimized for high-volume transactions and complex querying. Containerized applications using Docker and deployed them via K

Software Developer at Makro

Built responsive web pages using HTML, CSS, Bootstrap, and Angular to enhance user experience. Developed interactive web components with JavaScript and jQuery, improving functionality. Implemented AJAX for seamless data retrieval and dynamic content updates. Designed and managed relational databases using SQL for efficient data storage and retrieval. Created server-side scripts with PHP to handle form processing and database interactions. Practiced version control and collaboration using Git for code management.

Software Developer at CreatorIQ

Built responsive web pages using HTML, CSS, Bootstrap, and Angular to enhance user experience. Developed interactive web components with JavaScript and jQuery, improving functionality.

Senior Backend Engineer at Vinted

Designed and deployed .NET microservices integrated with React.js frontends, supporting high-scale features. Developed data-driven applications backed by SQL Server, optimizing queries for a 30% performance gain. Maintained CI/CD pipelines in Azure DevOps, reducing release times by 40%. Built unit and integration test suites, ensuring 85% coverage and reducing production issues by 25%. Collaborated with cross-functional teams in Agile sprints, aligning delivery with business goals. Conducted code reviews, improving code quality and mentoring junior developers. Integrated Python scripts for data processing and automation tasks. Developed a desktop utility with Electron, streamlining internal workflows.

Backend Engineer at Glovida

Delivered backend services with .NET and C#, integrated with React.js for customer-facing applications. Managed SQL Server schema design, stored procedures, and query optimization. Implemented automated CI/CD workflows with Azure DevOps, reducing manual deployments. Wrote extensive unit tests, raising coverage to 80%. Participated in Agile ceremonies, improving sprint delivery predictability. Conducted peer reviews and improved collaboration practices within the development team. Deployed microservices to containerized environments with Docker. Supported integration of external APIs, ensuring reliability and security.

Software Developer at Makro

Built .NET-based services and integrated them with React.js frontends. Designed SQL Server queries and optimized indexing strategies, reducing response times by 25%. Implemented CI/CD pipelines with Azure DevOps, cutting down deployment time. Maintained test automation workflows, ensuring system reliability. Applied Agile practices and collaborated with distributed teams. Supported version control processes using Git and GitHub. Participated in peer code reviews and introduced best practices. Explored microservices design patterns for scalability improvements.