
English:
Advanced
Poland
UTC +01:00
Europe/Warsaw
Mateusz is a Senior Frontend Developer with expertise in React, leading projects from design to deployment for optimized, high-quality user experience
- I created from scratch a frontend ETL application to process data, leveraging D3.js for graphing and Canvas/Konva for dynamic, graph-based interfaces, enabling visually intuitive data insights. - For a telecommunications client, I built another ETL application from scratch, utilizing SVG technology for high-performance, graph-based data visualizations central to the application. - I designed and implemented a telecommunications network alarm system early in my career, gaining foundational experience in real-time, mission-critical systems. - I led the development and optimization of high-traffic, scalable frontends using React, improving load times by 300% on key projects. - I actively mentor junior developers in frontend technologies, particularly React, promoting best practices and fostering a culture of growth and collaboration. - I am constantly expanding my knowledge and seeking out non-standard solutions, bringing innovative approaches to each project.
Want to hire this engineer?
Check if Mateusz is availableExpertise
Years of commercial development experience
8 years of experience
Core technologies
Other technologies
Project Highlights
ElisaPolystar
Feb `18 - Present
7 years
As a Senior Frontend Developer at Elisa Polystar, I led the frontend development within a React-centric environment, focusing on high-performance, scalable applications. My responsibilities encompassed end-to-end project ownership—from planning and technology selection to deployment and optimization. I worked closely with cross-functional teams and clients to understand project requirements, consulting on UI/UX best practices to deliver intuitive, user-friendly interfaces.
Responsibilities & achievements
Leading frontend architecture for large-scale projects, selecting technologies that enhance scalability, performance, and maintainability. Creating data processing applications from scratch, including a front-end ETL application for data visualization, utilizing D3.js, Canvas/Konva, and SVG technologies. Enhancing user experience by developing data-driven visualizations for telecommunication data, improving interaction with complex data sets. Mentoring junior developers on best practices in React, fostering a collaborative environment focused on growth and innovation.
Nokia
Mar `16 - Mar `18
2 years
As a Fullstack Developer at Nokia, I contributed to the development of a telecommunications telemetry system, combining an Angular frontend with a Java backend. My role focused on building real-time data visualization interfaces and ensuring seamless integration between the frontend and backend, optimizing performance and enhancing data accessibility for end users.
Responsibilities & achievements
Developing real-time data visualization tools using Angular, improving user interaction and data insight capabilities. Ensuring smooth frontend-backend integration with Java, enabling reliable and efficient data flow and system functionality. Collaborating closely with cross-functional teams to address complex technical requirements and provide end-to-end solutions. Building high-performance, interactive dashboards for telecommunications data, delivering essential insights to clients and internal stakeholders.
Newind
Sep `15 - Mar `16
6 months
At Newind, I worked as a Java Developer, contributing to a team that developed a form-based application for the Ministry of Health. My primary focus was on implementing solutions that ensured data security and regulatory compliance, given the sensitive nature of the health information managed within the application.
Responsibilities & achievements
Developing secure, compliant application features as part of a form-based system for handling health data. Collaborating in a full-stack environment, addressing both backend logic and data handling to meet strict regulatory standards. Implementing solutions aligned with industry standards for data protection, ensuring privacy and reliability. Enhancing application functionality for a seamless user experience, with attention to detail and user accessibility.
Exence
Jul `15 - Sep `15
2 months
As an Automation Tester at Exence, I was responsible for designing, implementing, and maintaining automated tests to ensure the reliability and quality of data transmission through a data bus system. My role required a strong focus on precision and efficiency, as the data bus was central to the system's operations, handling high volumes of critical data.
Responsibilities & achievements
Developing and executing automated test cases to verify the accuracy and integrity of data transmission. Implementing continuous testing strategies, ensuring consistent data quality and system stability. Identifying and troubleshooting issues in data flow, proactively contributing to system resilience. Collaborating with cross-functional teams to enhance the test strategy, aligning with broader project goals.
4Soft
Mar `15 - Jul `15
4 months
As a Junior Java Developer at 4Soft, I was responsible for developing a simple CRUD (Create, Read, Update, Delete) application for a private client. This project provided me with hands-on experience in full-stack development, focusing on the implementation of core features and ensuring user-friendly design.
Responsibilities & achievements
Designing and implementing core CRUD functionality using Java and the Spring Boot framework, ensuring efficient data management and application performance. Creating an intuitive user interface to facilitate a seamless experience for end users. Collaborating with team members to align application design and functionality with client expectations. Building foundational knowledge in full-stack development, laying the groundwork for further growth in backend and frontend skills.
Education
Higher education in Computer Science
Agency
10-50
GMT+1
Wrocław/Poland, Warsaw/Poland
Core Expertise
Industries
E-Commerce & Retail, Internet & Telecom, Blockchain & Cryptocurrency, Big Data
Want to hire this engineer?
Check if Mateusz is available