P

Piotr Ciszmowski

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Bydgoszcz, Kuyavian-Pomeranian Voivodeship, Poland

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Résumé

Jobs verified_user 0% verified
  • A
    Senior Lead FullStack Engineer
    Asseco Business Solutions
    May 2024 - Oct 2025 (1 year 6 months)
    • Led a cross-functional team of frontend and backend engineers, providing technical leadership across planning, execution, and delivery while mentoring junior and mid-level developers, and architected scalable, high-performance web applications and platform capabilities using React, Next.js, Angular, Vue.js, Node.js, Java, and Python to align solutions with business objectives.
    • Implemented automated testing for both UI and GraphQL APIs with Jest and Cypress, and established GitHub Actions CI/CD workflows to streamline deployments and increase release frequency.
    • Leveraged experience in building Fintech applications, integrating Large Language Models (LLMs) for intelligent automation and enhanced customer engagement.
    • Uti
  • S
    Senior Full Stack Engineer
    May 2021 - May 2024 (3 years 1 month)
    I have built interactive data visualization platforms using D3.js, creating dynamic charts, dashboards, and real-time analytics interfaces that transform complex datasets into clear business insights for users. I have also developed modern applications in the Fintech domain by integrating Large Language Models (LLM) for intelligent automation and customer support, while using WebSocket technology to power secure real-time notifications, live market data streaming, and instant transactional updates.
  • A
    Senior Backend Engineer
    Allegro Tech
    Feb 2019 - May 2021 (2 years 4 months)
    • Build backend services and APIs using Node.js, Express, Python (Flask, Django), and Java (Spring Boot), and design RESTful and GraphQL endpoints backed by relational (PostgreSQL, MySQL) and NoSQL (MongoDB) databases, integrating with external services such as payment and authentication providers.
    • Developed and maintained scalable TypeScript applications, ensuring robust and efficient backend architecture.
    • Leveraged D3.js to create advanced, interactive data visualizations, providing insightful representations of complex data structures and API performance.
    • Integrated Large Language Models (LLMs) to deliver intelligent automation and AI-powered user experiences, enhancing analytics capabilities and backend functionalit
  • Future Processing
    Senior Frontend Developer
    Future Processing
    Sep 2016 - Feb 2019 (2 years 6 months)
    • Build responsive, user-friendly interfaces with React, Angular, and Vue.js, using HTML5, CSS3, and SASS/SCSS to
    implement pixel-perfect, reusable, and modular UI components and design systems.
  • T
    Junior Web Developer
    The Software House
    Jul 2015 - Aug 2016 (1 year 2 months)
    • Developed static and dynamic web pages using HTML5, CSS3, JavaScript, and CSS frameworks such as Bootstrap and
    Tailwind CSS, implementing responsive layouts and interactive features like form validation, modals, and event-driven
    behaviors.
  • D
    Web Development Intern
    DataWalk
    Feb 2015 - Jun 2015 (5 months)
    • Built web pages using HTML5, CSS3, and JavaScript, creating responsive layouts with Flexbox, Grid, and Bootstrap
    while adding basic interactivity through DOM manipulation, form validation, and dynamic content updates.
Education verified_user 0% verified
  • Warsaw University of Technology
    Bachelor's Degree, Computer Science
    Warsaw University of Technology
    Jan 2009 - Jan 2014 (5 years 1 month)