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Paulina Sedlak-Jakubowska

Paulina
Sedlak-Jakubowska

senior frontend engineer

& accessibility expert

How I work

Ideation & Discovery

I believe great features start with understanding the problem deeply. When exploring new ideas, I collaborate early with stakeholders. As an accessibility expert, I ensure inclusive design is part of the conversation, not an afterthought. I research technical feasibility. I  investigate how new functionality fits into the current ecosystem. I  specialize in analysing legacy codebase and breaking down steps to work with tech debt.

  • Agile
  • Scrum
  • Jira
  • Confluence
  • GSuite

Design Handover

The transition from design to development is critical. My approach includes active participation in design reviews. I provide technical input on feasibility, accessibility considerations, and implementation complexity. I review designs against WCAG guidelines, identifying potential issues before code is written. I work with designers to document component behavior, error states, and responsive breakpoints, clarifying interactions and edge cases. I ensure designs leverage existing components and design system or justify new patterns.

  • Design systems
  • Figma
  • Storybook

Implementation

My development process emphasizes quality, maintainability, and collaboration. I write clean, semantic code following agreed standards. Every component I build meets WCAG standards, with proper ARIA roles and attributes, and keyboard navigation. I document complex logic, architectural decisions, and usage patterns for future maintainers.

  • HTML
  • CSS
  • SASS
  • JavaScript ES6
  • Vue.js
  • GraphQL
  • Command line

Testing & Quality Assurance

Quality is non-negotiable. My testing approach includes ensuring functionality works across modern browsers and respects feature parity, user preferences and permissions. I test with unusual data and error scenarios to validate complete workflows. I write comprehensive tests including unit tests, integration tests, and axe-core accessibility checks. I make sure tests are up to date and prevent reintroduction of fixed bugs. I manually test my work to ensure excellent user experience with or without assistive technologies.

  • Jest
  • Cypress
  • Capybara
  • axe-core

Code Review

Code review is where knowledge sharing and quality converge. I review for correctness, performance, accessibility, maintainability, and adherence to standards. I catch accessibility issues early, educating teammates on best practices. I explain the "why" behind suggestions, helping others grow. I see reviews of my code as learning opportunities. I prioritize keeping team velocity high by reviewing other people's work promptly.

  • Git
  • GitLab

Measuring Impact

Work doesn’t stop when code is accepted. I verify my features in the production environment and monitor their impact on the product. I use Sentry to identify issues directly impacting clients and Sitespeed with axe plugin to make sure new features perform well over time.

  • Sentry
  • Sitespeed.io

Collaboration & Mentorship

Engineering is a team sport, and leadership means uplifting others. I work closely with backend engineers on API design, with designers on implementation fidelity, and with product managers on scope and priorities. I coordinate efforts across teams to integrate automated accessibility checks, compile violation lists, and develop remediation plans. By mentoring junior and intermediate engineers, I provide guidance on technical challenges, career growth, and engineering practices.

© Paulina Sędłak-Jakubowska 2025