my smiling face

Daniel Leszczak

I am a frontend developer and UI/UX designer with a unique background in psychology and academic research that allows me to create intuitive interfaces, and translate complex business requirements into user-friendly solutions.

Fun fact #1 ♫♩♪

I also make beats, write lyrics, rap, sing, record and mix music, etc.

I started at 11yo and I still can't play any acoustic instrument well... 🙈

Education

  • Opole University – 2023

    Psychology

    Master's Degree
    General + Organizational psychology

    Roles and achievements: class president, 4x scholar, researcher involved in interdisciplinary problem-solving; final grade 5, GPA: 4.9

  • ZSŻŚ (Żegluga) – 2017

    IT Technician

    Technical Secondary School Degree
    Frontend development + media production (graphics, video, music)

    Roles and achievements: class president involved in school's on-line and off-line marketing

Experience

  • Dotandspot sp. z o.o.

    Frontend Developer & UI/UX Designer current

    since 06.2024 – 1yr 1mos

    I build effective frontend solutions, design graphics and solve complex UX challenges for businesses (e-commerce, education, etc.), conduct training sessions (including non-tech people), organize meetings and do my best to ensure client satisfaction.

    • 🔧 HTML, CSS (Tailwind, SASS), JavaScript, TypeScript, React.js, Vue.js, PHP (Laravel), Git + more
    • 🎨 Figma, Adobe XD, Inkscape, GIMP
    Examples of what I've worked on 👈
  • Academy of Applied Sciences – WSZiA in Opole

    Research and Teaching Assistant

    09.2023 – 03.2025 1yr 6mos

    I taught psychological subjects to students, businesses and the public in both: Polish and English.

    I also conducted studies, analyzed all kinds of data, wrote a book on identity development and meaning in life as well as designed various graphics and developed web applications for conducting research, school organization and overall creative problem-solving.

    What subjects did I teach? 👈
    • Research methodology and design thinking
    • Psychological aspects of consumer behavior
    • Personality psychology
    • Developmental and educational psychology
    • Career planning
    • Business negotiations
    • Methods of conflict resolution (+ NVC)
    • Psychology of management
    • Cognitive psychology
    • Methodology of teaching IT
    What are my research fields? 👈
    • Psychosynthesis
    • Identify Development
    • Purpose / Meaning in Life
    • Loneliness + Positive Solitude
    What did I do besides research and teaching? 👈
    • Graphic design (e.g. posters, banners, YT thumbnails)
    • Data entry, management and analysis (sheets, e.g. Excel, JASP)
    • Web design (HTML, CSS, JS) for research and work organization
    • Creating work schedules, planning
    • Communication and support (for employees and students EN/PL)
    • Writing and editing various documents
  • + Click here to see more
29 yo, Wrocław, Poland

Languages

  • Polish – native
  • English – advanced C1+

Fun fact #2

I used to: be a YouTuber, crochet, draw, bind my own notebooks, swim semi-professionally, train parkour, skateboard, write books and the list goes on... 🙈

You can also download my current resume / CV:

PL
ENG