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For the past 10 years, I’ve been working in IT as a self-taught Frontend/Web Developer, focusing strongly on secure, performant, and accessible web applications. Now I’m pivoting my career toward Web Security—aiming to combine my deep understanding of the web ecosystem with security auditing, vulnerability testing, and OWASP-based risk analysis. I’m expanding my skills in web application security, network fundamentals, and ethical hacking (OWASP, Burp Suite, ZAP, Linux). I’ve collaborated with clients from the USA, UK, Switzerland, Germany, Sweden, Norway, and Poland—mostly as part of Scrum teams. In many projects I took on the role of a specialist, analyzing client needs and advising on the best solutions.…For the past 10 years, I’ve been working in IT as a self-taught Frontend/Web Developer, focusing strongly on secure, performant, and accessible web applications. Now I’m pivoting my career toward Web Security—aiming to combine my deep understanding of the web ecosystem with security auditing, vulnerability testing, and OWASP-based risk analysis. I’m expanding my skills in web application security, network fundamentals, and ethical hacking (OWASP, Burp Suite, ZAP, Linux). I’ve collaborated with clients from the USA, UK, Switzerland, Germany, Sweden, Norway, and Poland—mostly as part of Scrum teams. In many projects I took on the role of a specialist, analyzing client needs and advising on the best solutions.

Paweł Dancewicz

Front-End Developer, Web Developer, Full Stack Developer, +2

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For the past 10 years, I’ve been working in IT as a self-taught Frontend/Web Developer, focusing strongly on secure, performant, and accessible web applications. Now I’m pivoting my career toward Web Security—aiming to combine my deep understanding of the web ecosystem with security auditing, vulnerability testing, and OWASP-based risk analysis. I’m expanding my skills in web application security, network fundamentals, and ethical hacking (OWASP, Burp Suite, ZAP, Linux). I’ve collaborated with clients from the USA, UK, Switzerland, Germany, Sweden, Norway, and Poland—mostly as part of Scrum teams. In many projects I took on the role of a specialist, analyzing client needs and advising on the best solutions.…For the past 10 years, I’ve been working in IT as a self-taught Frontend/Web Developer, focusing strongly on secure, performant, and accessible web applications. Now I’m pivoting my career toward Web Security—aiming to combine my deep understanding of the web ecosystem with security auditing, vulnerability testing, and OWASP-based risk analysis. I’m expanding my skills in web application security, network fundamentals, and ethical hacking (OWASP, Burp Suite, ZAP, Linux). I’ve collaborated with clients from the USA, UK, Switzerland, Germany, Sweden, Norway, and Poland—mostly as part of Scrum teams. In many projects I took on the role of a specialist, analyzing client needs and advising on the best solutions.

Available to hire

For the past 10 years, I’ve been working in IT as a self-taught Frontend/Web Developer, focusing strongly on secure, performant, and accessible web applications. Now I’m pivoting my career toward Web Security—aiming to combine my deep understanding of the web ecosystem with security auditing, vulnerability testing, and OWASP-based risk analysis.

I’m expanding my skills in web application security, network fundamentals, and ethical hacking (OWASP, Burp Suite, ZAP, Linux). I’ve collaborated with clients from the USA, UK, Switzerland, Germany, Sweden, Norway, and Poland—mostly as part of Scrum teams. In many projects I took on the role of a specialist, analyzing client needs and advising on the best solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Polish

Fluent

English

Advanced

German

Intermediate

Work Experience

Senior Frontend Developer at Columbus Global

September 1, 2025 - October 21, 2025

Team lead: organizing conference trips, frontend guild, mentoring, code reviews, 1-1s, taking ownership of graduate program, employer branding, recruitment, HR, salaries, support, operations, and knowledge sharing initiatives.

Mid Frontend Developer at Xebia (PGSSoftware)

December 1, 2020 - October 21, 2025

Worked on a wide range of frontend projects (online booking, airline platform, health/hrm and sales systems); implemented security-conscious frontend practices, CSP headers, input sanitization, secure API communication, and frontend architecture improvements; collaborated with backend teams.

Frontend Developer at Insert S.A.

August 1, 2018 - October 21, 2025

Frontend development; contributed to UI improvements and feature delivery over a 5-month period.

Full Stack Developer at Expanding Web Ltd.

June 1, 2016 - October 21, 2025

Mainly for Polish brands; full-stack development tasks and client support; building and maintaining web solutions.

Junior Frontend Developer at Nurture Agency

June 1, 2017 - October 21, 2025

Remote work; creating WordPress content before they went mainstream using custom plugins; contributed to frontend tasks for client projects.

Full Stack Developer at All Kind of Jobs (Remote)

February 1, 2018 - October 21, 2025

Remote work; varied tasks from setting up servers to finishing whole projects; mainly for Polish brands.

Senior Frontend Developer at Columbus Global

September 1, 2025 - September 1, 2025

Leading frontend development for major clients; team leadership including organizing conference trips, frontend guild, mentoring, code reviews, and ownership of Graduate Program; involvement in employer branding, recruitment, HR, salaries, support, operations, and knowledge sharing initiatives. Contributed to backend integrations to prevent XSS and CSRF vulnerabilities and collaborated with backend teams to secure web applications. Delivered projects efficiently, with recognition for a Best Buying Experience award in the UK&I; primarily frontend work with significant backend integration scope.

Mid Frontend Developer at Xebia (PGSS Software)

December 1, 2020 - December 1, 2020

Worked as a mid-level frontend developer on multiple projects, focusing on delivering robust frontend solutions and collaborating with cross-functional teams to ensure quality and security.

Frontend Developer at Insert S.A.

August 1, 2018 - August 1, 2018

Frontend development role focusing on implementing user interfaces and ensuring responsive, accessible experiences for business applications.

Full Stack Developer at Expanding Web Ltd.

June 20, 2016 - June 20, 2016

Full stack responsibilities across frontend and backend tasks, delivering value to Polish brands and supporting client projects with a balanced skillset.

Junior Frontend Developer at Nurture Agency

June 20, 2017 - June 20, 2017

Remote work creating WordPress solutions before they went mainstream, using custom plugins; primarily serving UK and USA financial sector clients.