I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- **Employment and project experience** **Senior Developer** Salesforce Inc. _January 2017 - March 2017_ **Full-stack Developer** Microsoft Inc. _January 2019 - March 2019_…

MattDev

I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- **Employment and project experience** **Senior Developer** Salesforce Inc. _January 2017 - March 2017_ **Full-stack Developer** Microsoft Inc. _January 2019 - March 2019_…

Available to hire

I’m a developer who specializes in… from…

Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it.

Employment and project experience

Senior Developer Salesforce Inc.
January 2017 - March 2017

Full-stack Developer Microsoft Inc.
January 2019 - March 2019

See more

Skills

Experience Level

CSS
Expert
Express
Expert
Figma
Expert
HTML5
Expert
JavaScript
Expert
Node.js
Expert
Python
Expert
SaaS
Expert
Slack Workflow
Expert
React Native
Expert
React JS
Expert
API Connector
Intermediate
Github
Intermediate
See more

Language

English
Intermediate
Polish
Fluent
Czech
Intermediate

Work Experience

Full-Stack Developer at VINVE GROUP / Tankuj Za Mniej
May 20, 2025 - Present
Developing and maintaining a full-stack fuel marketplace platform using Node.js, Express, MySQL, JavaScript, HTML, and CSS. My responsibilities include designing and implementing user dashboards, supplier and client workflows, offer management, order processing, document verification, payment-related processes, notifications, administrative tools, and database-backed business logic. I also work on UX/UI improvements, bug fixing, application security, testing, deployment, and ongoing product development.

Education

Clinical Psychology at WSKZ, Poland
September 1, 2024 - July 20, 2026
Undergraduate studies focused on clinical psychology, human behavior, communication, research methodology, and psychological assessment.

Qualifications

Practical experience in building and maintaining production web applications using JavaScript, Node.js, Express, MySQL, HTML, CSS, APIs, and server-side business logic.
July 20, 2026 - July 20, 2026
Practical experience in building and maintaining production web applications using JavaScript, Node.js, Express, MySQL, HTML, CSS, APIs, and server-side business logic.

Industry Experience

Software & Internet, Education, Professional Services
    Tankuj Za Mniej — B2B Fuel Marketplace

    A full-stack B2B marketplace connecting fuel buyers and suppliers.

    I worked on order workflows, offer management, user dashboards, supplier processes, document verification, payment-related logic, notifications, administrative tools, and database architecture.

    Technologies: JavaScript, Node.js, Express, MySQL, HTML, CSS, REST APIs.