Years of experience: 6

Frontend DeveloperIT

Trust Score

Exceptionally trusted; proven professional excellence.

80%
Sebastian's Career Path
Frontend DeveloperDec. 2022 -
Feb. 2026
DAC.digitalFrontend Developer
-Delivered and maintained multiple production web applications, ensuring high performance and scalable architecture using TypeScript, React, and Next.js. -Spearheaded complex migrations from legacy Angular codebases to React, significantly improving long-term code maintainability and development speed. -Optimized data fetching, caching, and global state management across various modules uti...
Frontend DeveloperJan. 2021 -
Present
PirxeyFrontend Developer
-Developed highly interactive, complex web applications and UI component libraries utilizing React, Next.js, and TypeScript. Implemented and maintained RESTful API endpoints using Node.js to support smooth and reliable new frontend workflows. -Established structured UI development processes by building and documenting reusable component libraries using SCSS and Storybook. Key Projects: -In...
Junior Frontend Developer / UI&UX DesignerAug. 2019 -
Sep. 2020
BLACK COREJunior Frontend Developer / UI&UX Designer
-Developed and maintained a banking application in a legacy stack environment. Key projects: -Banking app — Phalcon (PHP), jQuery, CSS, PostgreSQL

Sebastian's Posts

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    How I can help you

    I assist companies in building fast, reliable, and scalable web apps that drive their business. Key tasks include reducing tech debt by migrating legacy systems to modern stacks (React/Next.js), optimizing app performance for better user retention, and designing flexible frontend architectures.

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    People I am looking for

    My work begins with thorough analysis of business needs and project mockups to ensure problem-solving solutions. Then, I audit existing code or plan new frontend architecture, choosing state management, rendering strategy, and API integration. Quality standards are set before task segmentation and programming.

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    Experience & Cases

    Seeking partnerships with Prixey and Dac.digital.

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    How to contact

No responses yet
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    About myself

    Successfully executed numerous complex web projects, primarily for agency clients like DAC.digital. Achievements include leading a system auction refactor to Next.js, boosting performance, and migrating a logistics platform from Angular to React, enhancing maintainability.

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    Job Description

    Open to exploring various opportunities in the tech industry, focusing on roles that leverage my skills in transforming legacy systems into efficient, modern applications. Interested in dynamic environments that encourage innovation and growth.

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    How to contact

No responses yet
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  • 0

    How I can help you

    I start with a thorough analysis of business needs and project designs to ensure solutions meet client goals. Conduct code audits or plan new frontend architecture, selecting state management and rendering strategies. Set quality standards before task division and development.

  • 0

    People I am looking for

    Over 6 years in logistics, e-commerce, and corporate projects. Key achievements include migrating a large transport platform to React, refactoring an auction platform for performance, and modernizing a corporate Intranet.

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    Experience & Cases

    Seeking contacts with IT recruiters, headhunters, and HR partners for Mid/Senior Frontend roles. Open to connecting with CTOs, Engineering Managers, and Tech Leads expanding their teams.

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    How to contact

No responses yet
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