Mariusz Wawrzyniak
SEO Content Writer
Poznań
Summary
Efficient career expert and senior content writer helping My Perfect CV users turn complex hiring advice into clear, actionable CVs and cover letters. Combines data-driven SEO with an understanding of ATS and recruiter expectations to produce guidance that works in the real market. Optimised hundreds of pages with a 75%+ success rate, delivered dozens of page-one rankings within a month, and secured #1 positions against higher-DR competitors. Skilled with GA4, Google Search Console, Ahrefs, SurferSEO, and AI tools.
Timeline
Senior Content Writer - BOLD PL
10.2025 - Current
English Content Writer - BOLD PL
11.2022 - 10.2025
Copywriter - OSOM Finance
08.2021 - 11.2022
Poznan University of Economics & Business - Master of Science, Management And Production Engineering
03.2019 - 11.2020
Poznan University of Economics & Business - Engineering Degree, Commodity Science; Quality Design of Industrial Products
10.2015 - 02.2019
Overview
4
4
years of professional experience
5
5
years of post-secondary education
Work History
Senior Content Writer
BOLD PL
10.2025 - Current
- Co-led a CMS migration moving hundreds of articles and fixing all mid, and post-migration errors.
- Audited the company's current CMS, which led to the a company-wide CMS change.
- Received media mentions from sites with high domain rating such as: TechRound (76), Process Excellence Network (70)
- Optimised hundreds of articles, with a 70%+ success rate to improve their SERP visibility.
- Written dozens of articles which landed on the 1st page of SERPs within the first month.
- Optimised a landing page, securing the 1st position in SERPs, winning against higher DR competition.
English Content Writer
BOLD PL
Warsaw
11.2022 - 10.2025
- Written on average 20+ high-quality, long-form career-related articles each quarter.
- Regularly optimized dozens of articles each sprint, updating their interlinking profiles keyword density, titles, winning featured snippets, and more.
- Utilized AI tools in daily writing, as well as performed a large-scale project of optimizing over 600+ introductory paragraphs with Jasper AI.
- Performed extensive SEO keyword analysis, along with SERP analysis prior to writing each article, using GSC, GA4, and Ahrefs.
- Added FAQ pages full of well-researched content to tens of pre-existing articles.
- Written the website's Editorial Guidelines
Copywriter
OSOM Finance
Tallin, Estonia
08.2021 - 11.2022
- Written short-form and long-form blog content.
- Edited existing articles for SEO purposes using SurferSEO.
- Performed a content migration of over 100 blog pages onto a new CMS.
- Written copy for an email marketing campaign which resulted in a 17% increase in open rates.
- Analyzed competitor's products and created copy for a landing page which ranked nr 1 in the first week of publishing.
Education
Master of Science - Management And Production Engineering
03.2019 - 11.2020
Engineering Degree - Commodity Science; Quality Design of Industrial Products
10.2015 - 02.2019
Skills
- Creative Writing
- SEO
- Analytical Skills
- Technical Writing
- G-Suite
- Copywriting
- Research
- AI writing & Editing
- Keyword optimization
- Adaptability
Professional Biography
Mariusz is a career advice writer and has been featured on My Perfect CV Builder’s career blog. He provides online career advice, tips to create a CV, and job search support to professionals at all stages of their career.
Mariusz's advice is practical, research-led, and written in plain English.He focuses on clear structure, strong skills sections, and achievement-led bullets that show impact. He writes for people first. Mariusz draws on experience in FinTech and fashion, which taught him to balance technical detail with brand voice. At BOLD, he sharpened a craft that sits where SEO, UX writing, and labour-market research meet. He maps user questions to search demand, answers them fast, and explains complex topics step by step.
Mariusz is a member of the National Career Development Association (NCDA) and the Professional Association of Résumé Writers and Career Coaches (PARWCC). These memberships reflect his commitment to high standards in writing and coaching. He believes a well-written CV is a gateway to opportunity and writes to help people secure jobs that improve their lives.
He studied at the Poznań University of Economics and Business, earning an MSc in Management and Production Engineering after an engineering degree in quality design. This training shaped a process-first mindset: test ideas, measure outcomes, and choose useful solutions over flashy ones.