Hi, I'm Andrew,
a Sr. full-stack dev

I'm a passionate JavaScript developer with extensive experience in building web applications. With a strong foundation in React and Next.js, I specialize in creating responsive, modern, and user-friendly interfaces that bring ideas to life.

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portrait of Andrew Adamicska

Advanced JavaScript (ES6+)

From Vanilla JS to Frameworks like React, NextJs, and Gatsby, I've got you covered.

CSS Expertise

Vast experience with CSS, Sass, Bootstrap, and Tailwind.

Performance Optimization

One of my top priorities is always maximum performance.

Past Experience

BugZero
IT Resilience B2B SaaS Application
  • Feature Development: Led the development of new features in response to client requirements and business logic as defined by the product owner. This involved translating client needs into functional, user-friendly features.
  • Release Management: Led most of the application releases, ensuring smooth deployment of updates and new features. Improved release workflows to enhance efficiency and reduce downtime.
  • Code Reviews and Testing: Conducted thorough code reviews to maintain high standards of code quality. Responsible for writing and maintaining tests to ensure the robustness and reliability of the application.
  • Agile Methodologies: Created epics and user stories within an agile development environment, ensuring that the development process was organized and efficient. Regularly scheduled sprints and managed the workflow to maintain a steady pace of development.
  • Technologies: React, Sass, Bootstrap, Jest, Playwright, Contentful, Git, AWS
Operational Defect Database
Open Defect Database Application
  • Project Design and Architecture: From design to production. Architected the application using AWS Amplify, Cognito, and DynamoDB, SSR, and more to ensuring a scalable, secure, and robust infrastructure capable of handling a large volume of data and user interactions.
  • Tool Selection: Researched and selected the best tools and technologies to meet the product's requirements, focusing on performance, scalability, and maintainability.
  • Development Leadership: Led the development team through the entire project lifecycle, from initial planning and design to implementation and deployment. Ensured that development best practices were followed.
  • Feature Implementation: Directed the development of key features, ensuring they were implemented efficiently and aligned with the overall product vision and user needs.
  • Technologies: NextJs, SSR, DynamoDB, Tailwind, Jest, Playwright, Git, AWS, Amplify
Every Market Media
Marketing Data App fora Marketing Agencies
  • Feature Development: Led the development of new features in response to client requirements and business logic as defined by the product owner. This involved translating client needs into functional, user-friendly features.
  • Lead Front-end Developer: Led the development of new features ensuring best performance and a great UX.
  • Development Leadership: Led the development team through the entire project lifecycle, from initial planning and design to implementation and deployment. Ensured that development best practices were followed.
  • Feature Implementation: Directed the development of key features, ensuring they were implemented efficiently and aligned with the overall product vision and user needs.
  • Technologies: React, Bootstrap, Jest, Express, Git
YellowBall
Social Network for Tennis Players
  • Feature Development: Led the development of new features in response to client requirements and business logic as defined by the product owner. This involved translating client needs into functional, user-friendly features.
  • Lead Front-end Developer: Led the development of new features ensuring best performance and a great UX.
  • Development Leadership: Led the development team through the entire project lifecycle, from initial planning and design to implementation and deployment. Ensured that development best practices were followed.
  • Feature Implementation: Directed the development of key features, ensuring they were implemented efficiently and aligned with the overall product vision and user needs.
  • Technologies: React, Bootstrap, Jest, Express, Git

Ready to start?

Whether you need a PWA, an SSR app, new features, optimizing clinet side code, or whatever, let's collaborate!

Hire me