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I have created and maintain https://polishschoolbristol.com/

Web Developer / IT support

• Increased coding efficiency and maintained high coding standards across the team by leading the adoption of TypeScript and ESLint, resulting in a 30% reduction in code-related bugs.

• Improved application reliability by implementing comprehensive unit and end-to-end tests, reducing reported bugs by 40% and enhancing overall user experience.

• Enhanced data integrity and reduced runtime errors by 50% through the integration of Zod/Valibot for data contract compliance.

• Modernized the UI/UX of web applications using modern CSS and frameworks, leading to a 25% increase in user engagement and positive feedback.

• Strengthened application security by designing and deploying a JWT-based login system, resulting in a 70% reduction in unauthorised access incidents.

• Optimised application performance by 35% through efficient integration of RESTful services and adherence to React best practices, improving overall system responsiveness and user satisfaction.

• Contributed to a 20% increa

Frontend Developer

• Developed and implemented new features in a React application within a large, microservices-based
ecosystem, leveraging a GraphQL server to mediate between the client and backend.
• Conducted code reviews and provided constructive feedback to maintain code quality.
• Participated in Agile practices, contributing to sprint planning, daily stand-ups, and retrospectives.
• Utilised Google Cloud / Kubernetes to manage namespaces for development and testing, ensuring seamless operation across multiple environments.

Built and maintained multiple production web applications using Next.js, focusing on scalability, shared architecture, and consistent user experience across products.

- Designed and implemented a monorepo architecture to support multiple applications, enabling shared code, consistent structure, and faster development cycles
- Established a shared authentication system across apps, improving maintainability and reducing duplication
- Delivered three production applications:
*Olilo Mobile - https://mobile.olilo.co.uk/
*Rocket Mobile - http://rocketmobile.co.uk/
*Ride eSIM - https://rideresim.com/

- Applied a spec-driven approach before implementation to ensure clarity and reduce rework
- Used test-driven thinking for key features to improve reliability
- Leveraged AI-assisted workflows to speed up development, debugging, and iteration

• Built and maintained the school's website, enhancing online presence and communication.
• Worked closely with school staff to ensure the website met their needs and provided a user-friendly experience.

Volunteer Web Developer

- Delivered scalable dashboard features using React and TypeScript, focusing on performance and maintainability
-Worked in a spec-driven workflow, aligning requirements upfront to reduce implementation friction
-Applied test-driven principles to critical UI logic, improving reliability and reducing regressions
-Championed accessibility and inclusive design (WCAG) across components and user flows
-Designed responsive interfaces for a consistent experience across devices

Front End Developer

I am a frontend developer focused on building reliable, user-friendly web interfaces with React and TypeScript. My appro

Know about Pawel Komorkiewicz's work experience, education, bootcamps, certifications, and much more. Pawel Komorkiewicz