Mariusz Wawrzyniak

Mariusz Wawrzyniak

Writer, Career Expert

Mariusz is a career expert with an unwavering dedication to personal growth and excellence. His journey through the world of careers has been marked by a relentless pursuit of knowledge and self-improvement.

About Mariusz

Area of Expertise

Job searching, career planning, personal development, lifelong learning

Certifications and Courses

  • Cambridge English: Advanced Certificate (CAE)

Academic Degree

  • Master’s Degree, Poznan University of Economics and Business
  • Engineering Degree, Poznan University of Economics and Business

Accredited by

  • Member, National Career Development Association (NCDA)
  • Member, Professional Association of Resume Writers and Career Coaches (PARWCC)

Social Media

LinkedIn, Bold.pro, MuckRack

Professional Summary

As a lifelong martial artist, he firmly believes that by sharing his expertise, he can empower others with skills and insights. 

Since 2022, Mariusz has created in-depth resume, cover letter, and career development guides for ResumeLab. He aims to provide digestible articles grounded in factual information, researched and written in accordance with ResumeLab’s editorial code of conduct. To find out more about Mariusz, check out his Career Story

Find what you need—

Mariusz's Articles

How to Show Language Levels on a Resume (2025 Guide)

Showcase levels of language proficiency on a resume. Gain insights to optimize your resume language levels effectively for a standout application.

Mariusz Wawrzyniak

Mariusz Wawrzyniak

December 20

Warehouse Manager Resume Sample, Job Description & Skills

Looking for a winning warehouse manager resume to land your dream job? Our guide includes a job description, expert tips, and real-life examples for 2025.

Mariusz Wawrzyniak

Mariusz Wawrzyniak

December 20

Professional Soccer Coach Resume—Writing Guide for 2025

Write a quality soccer coach resume and achieve your dream goal of coaching. Follow our guide with soccer coaching resume examples, job description, and skills.

Mariusz Wawrzyniak

Mariusz Wawrzyniak

December 20

Machine Operator Resume Guide For 2025 + Examples

Check our expert guide on crafting the perfect machine operator resume. Learn how to put machine operator job description, skills, and more on your resume.

Mariusz Wawrzyniak

Mariusz Wawrzyniak

December 20

Data Analyst Cover Letter (2025 Examples & Guide)

See data analyst cover letter examples and follow expert tips to write your own cover letter for data analyst jobs that will land you an interview.

Mariusz Wawrzyniak

Mariusz Wawrzyniak

December 20

Factory Worker Resume: Examples + Entry-Level in 2025

Read our comprehensive guide on writing a worker resume. Includes tips, examples & template for factory worker jobs in 2025.

Mariusz Wawrzyniak

Mariusz Wawrzyniak

December 20

Auditor Resume Example & Template for 2025

Craft a standout auditor resume with our comprehensive guide! Get expert tips on creating a resume for auditing jobs and elevate your career to new heights.

Mariusz Wawrzyniak

Mariusz Wawrzyniak

December 20

DJ Resume Example, Template, & Tips for 2025

Learn how to write a DJ resume guaranteed to make a great impression. Comes with a DJ resume template, examples, and expert tips for a disk jockey resume.

Mariusz Wawrzyniak

Mariusz Wawrzyniak

December 20

Working hard to empower you every day—

Meet Our Team of Career Experts

Agata Szczepanek

Agata Szczepanek

Career Expert

Agata Szczepanek is a career expert and writer at ResumeLab whose work has been featured in publications inclu...

Read more about me
Anna Berkolec

Anna Berkolec

Career Expert

Anna is a seasoned professional in HR and career development. With 5 years of experience in finding the right ...

Read more about me
Bart Turczynski

Bart Turczynski

Career Expert

Bart, published by the Financial Times, Hewlett-Packard, CareerBuilder, and Glassdoor, ensures that his writin...

Read more about me
Bruno Bertachini

Bruno Bertachini

Career Expert

Bruno Bertachini is a career expert who wrote around 100 guides for ResumeLab Brazil. With a bachelor's degree...

Read more about me
Caio Sampaio, CPRW

Caio Sampaio, CPRW

Certified Professional Resume Writer, Career Expert

Caio is an expert in professional development and holds a certification in resume writing. He has accumulated ...

Read more about me
Christian Eilers

Christian Eilers

Career Expert

Career expert who has been sharing his expert knowledge since 2017. His advice will guide you smoothly through...

Read more about me
Dominika Kowalska, CPRW

Dominika Kowalska, CPRW

Certified Professional Resume Writer, Career Expert

Dominika Kowalska is a certified professional resume writer and career expert who has dedicated the past 5 yea...

Read more about me
Kathrin Przadkiewicz

Kathrin Przadkiewicz

Career Expert

As an author for ResumeLab Germany, Kathrin aims to provide readers with helpful advice on all aspects of job ...

Read more about me
Maciej Duszynski, CPRW

Maciej Duszynski, CPRW

Certified Professional Resume Writer, Career Expert

Experienced in the education management industry, Maciej shares his knowledge for every step of your job hunt,...

Read more about me
Marta Bongilaj, CPRW

Marta Bongilaj, CPRW

Certified Professional Resume Writer, Career Expert

Marta Bongilaj is a certified professional resume writer and career expert. With an educational background in ...

Read more about me
Max Woolf

Max Woolf

Career Expert

Max’s mission is to help job seekers worldwide develop their skills, find good career opportunities, and land ...

Read more about me
Michael Tomaszewski, CPRW

Michael Tomaszewski, CPRW

Certified Professional Resume Writer, Career Expert

With vast expertise in interview strategies and career development, Michael is a job expert with a focus on wr...

Read more about me
Milena Makowska

Milena Makowska

Career Expert

Milena Makowska is a recruiter with a master's degree in Psychology, bringing over 5 years of experience in he...

Read more about me
Olga Choinkowska

Olga Choinkowska

Career Expert

Career expert for the French market, Olga Choinkowska, provides the readers of ResumeLab France with comprehen...

Read more about me
Pablo Gugel Santos

Pablo Gugel Santos

Career Expert

Pablo Gugel is a career expert who has been quoted in media such as El Mundo, La Razón, and El Universal. With...

Read more about me
Paolo Borrini

Paolo Borrini

Career Expert

Paolo is a tireless editor and writer, an active member of the National Career Development Association (NCDA) ...

Read more about me
Paulina Krolikowska-Baum

Paulina Krolikowska-Baum

Managing Editor, Career Expert

Paulina Krolikowska-Baum is a career expert and managing editor of the ResumeLab blog, who’s dedicated the pas...

Read more about me
Roger Maftean, Ph.D

Roger Maftean, Ph.D

Career Expert

Roger’s goal is to promote the best job search strategies across online communities and publications.

Read more about me
Roma Konczak, CPRW

Roma Konczak, CPRW

Certified Professional Resume Writer, Career Expert

Roma Konczak is a career expert with life experience that encompasses different walks of life. She’s passionat...

Read more about me
Timothé Ameline

Timothé Ameline

Career Expert

Timothé Ameline, a seasoned writer specializing in job hunting and crafting CVs, is a valuable contributor to ...

Read more about me
Tobias Wandas

Tobias Wandas

Career Expert

Tobias is a career expert and writer of articles focused on job search and career development. He has more tha...

Read more about me
Tom Gerencer

Tom Gerencer

Career Expert

Having published over 200 career-advice articles, Tom Gerencer is a career expert who covers the whole array o...

Read more about me
Message ResumeLab

Any questions?

Let’s chat