Wojciech Michałowski

React, Typescript, Jest, Jenkins, Kubernetes, Azure, NodeJS, ExpressJS, Azure Devops, ArgoCD, Docker, PostgreSQL, Kaffka

Diagnostyka S.A. is Poland's largest medical diagnostics company, operating over 1,100 blood collection points and 156 laboratories nationwide, providing advanced diagnostic services, including genetic testing and preventive screenings.

Responsibilities:

• Coordinated work across 7 frontend teams, each led by a Team Leader.
• Oversaw frontend architecture and made strategic decisions.
• Conducted 1:1 meetings, developed growth plans, handled recruitment and terminations.
• Led the frontend guild and managed CI/CD processes.
• Spent 20% of my time coding and performing code reviews.

Key achievements:

• Migrated from a monorepo to a microfrontend architecture.
• Reduced CI/CD times from 3 hours to 7 minutes.
• Established backend contracts using MSW.

React, React Native, Typescript, Jest, Jenkins, Kubernetes, Amazon S3, Redux, NextJS, Congnito, DynamoDB, Python, Serverless

Responsibilities:

• Delivered client projects using React, React Native, and AWS.
• Collaborated with cross-functional teams to design and implement scalable features.
• Conducted code reviews to maintain high-quality standards and ensure best practices.
• Optimized application performance and resolved critical production issues.
• Implemented CI/CD pipelines to streamline deployment processes.

Key projects:

• Score4More: An app helping companies track CO2 emissions and generate reports.
• KodeKloud: A DevOps learning platform.

React, React Native, Typescript, Jest, MSW, NodeJS, ExpressJS, GraphQL, AWS, S3, Styled-Components

Noumena connects people with the financial resources to help grow their businesses, provides the financial tools and solutions freelancers need to run and grow their businesses, and a network of experts to help them do so. Noumena also helps raise financial capital.

Responsibilities:

• Built and maintained a platform enabling freelancers to secure financial resources and grow their businesses.
• Designed and developed APIs for real-time data synchronization and user insights.
• Conducted automated testing using Jest and MSW to ensure high reliability.
• Worked closely with product managers to define requirements and translate them into technical solutions.
• Maintained AWS infrastructure and ensured secure storage of sensitive user data.

React, Typescript, Magento, Venia, Jest, GraphQL, Php

Responsibilities:

• Developed e-commerce solutions for brands like 4F and Victoria's Secret using Magento and React.
• Created reusable UI components to standardize development across multiple projects.
• Improved website performance through advanced optimizations, reducing page load times by 30%.
• Integrated payment gateways and ensured compliance with security standards like PCI DSS.
• Wrote technical documentation to support future development and onboarding processes.

React, React Native, NextJS,, Typescript, Context API, Jest, Tailwind, REST, SASS

Biore.pl sales platform is an innovative project that allows you to make quick transactions in real time (live). Without delays, with the help of the latest technology, you can see the real product at any given moment, buy it and complete the order in no time using the full sales cycle.

Responsibilities:

• Built the Biore.pl sales platform, focusing on WebRTC streaming, Elasticsearch, and Facebook integration.
• Developed dynamic real-time features, including live video streaming and instant user interactions.
• Collaborated with UX/UI designers to create responsive, user-friendly interfaces.
• Automated deployment processes using Jenkins, reducing deployment times by 50%.
• Debugged and resolved complex issues in production, ensuring uninterrupted user experience.

React, React Native, Typescript, Redux, Redux Saga, Jest, REST

IamIP is one of the world's most innovative patent search, monitoring and analysis platforms. It helps companies and law firms collaborate to understand industry trends and competitive activity to increase business impact and spur innovation.

Responsibilities:

• Contributed to the development of a patent search and monitoring platform using React and Redux.
• Implemented user authentication and role-based access control for enhanced security.
• Conducted manual and automated testing to identify and fix critical bugs.
• Supported the migration of legacy code to modern JavaScript frameworks.
• Assisted in preparing sprint plans and task estimations to meet agile delivery timelines.