Work Experience NatPower UK — Full Stack Developer May 2023 – Dec 2024 | Remote - Designed and built scalable web platforms for financial planning and analysis. - Developed full-stack modules using React, TypeScript, Node.js, and Express, integrated with RESTful and GraphQL APIs. - Built real-time data dashboards and automated Excel-to-web converters for FP&A teams. - Collaborated with analysts to translate financial models into interactive front-end components. - Enhanced system security and optimized backend queries, improving response time by 30%. TradeVision — Backend Engineer Dec 2024 – Mar 2025 | Remote - Engineered backend architecture for trading and financial visualization tools. - Developed REST APIs using NestJS and PostgreSQL, integrated with authentication and analytics modules. - Designed financial computation microservices (ROI, NPV, portfolio risk metrics). - Wrote integration tests and CI/CD pipelines (GitHub Actions, Docker). - Worked closely with front-end teams to ensure data consistency and performance under high load. Education Warsaw School of Economics (Szkoła Główna Handlowa w Warszawie) — Bachelor of Science in Computer Science and Finance (2018 – 2022) - Coursework: Financial Modeling, Corporate Finance, Data Structures, Algorithms, Database Systems, Machine Learning for Finance. - Capstone Project: “Automated Financial Dashboard for SME Budget Forecasting using Node.js and React”. - Graduated with Honors; led university tech-finance hackathon team (1st place, 2021).…Work Experience NatPower UK — Full Stack Developer May 2023 – Dec 2024 | Remote - Designed and built scalable web platforms for financial planning and analysis. - Developed full-stack modules using React, TypeScript, Node.js, and Express, integrated with RESTful and GraphQL APIs. - Built real-time data dashboards and automated Excel-to-web converters for FP&A teams. - Collaborated with analysts to translate financial models into interactive front-end components. - Enhanced system security and optimized backend queries, improving response time by 30%. TradeVision — Backend Engineer Dec 2024 – Mar 2025 | Remote - Engineered backend architecture for trading and financial visualization tools. - Developed REST APIs using NestJS and PostgreSQL, integrated with authentication and analytics modules. - Designed financial computation microservices (ROI, NPV, portfolio risk metrics). - Wrote integration tests and CI/CD pipelines (GitHub Actions, Docker). - Worked closely with front-end teams to ensure data consistency and performance under high load. Education Warsaw School of Economics (Szkoła Główna Handlowa w Warszawie) — Bachelor of Science in Computer Science and Finance (2018 – 2022) - Coursework: Financial Modeling, Corporate Finance, Data Structures, Algorithms, Database Systems, Machine Learning for Finance. - Capstone Project: “Automated Financial Dashboard for SME Budget Forecasting using Node.js and React”. - Graduated with Honors; led university tech-finance hackathon team (1st place, 2021).WWWW…