Summary
Overview
Work History
Education
Skills
Certification
Languages
Hobbies and Interests
A bottom line
Disclaimer
Timeline
Generic
Filip Mazur

Filip Mazur

Summary

Software development leader with over 10 years of experience in building innovative solutions for startups and enterprises. Passionate team builder, project manager, cross-platform mobile developer, company director, B2B salesman and teal advocate. I will sell you the pen, not because I make you need it, but because you feel understood and well-advised.

Overview

13
13
years of professional experience
1
1
Certification

Work History

Lumberjack

Grupa Realizacyjna
03.2025 - 07.2025
  • Cutting down trees and processing timber, care and maintenance of trees, equipment maintenance, wood transportation, added some order into a chaotic workflow;

Director

TH-EY
06.2022 - 01.2025
  • At a 30 employee software development agency building solutions for startups. Responsible for sales, recruitment, finances, mobile development, and software testing. Handled employee terminations when necessary. Successfully led an employee recovery plan, developed new services, improved contracts, led projects, defined company strategy, and helped shape a teal organization with high employee retention;

Founder

Vilanculos Diving Center
07.2022 - 08.2023
  • Setting up a diving business in Mozambique part-time, financial fail, but a ton of life experience!

Head of Mobile Development & recruiter

TH-EY
10.2020 - 06.2023
  • Built the testing and design teams from scratch, coached testers, introduced React Native into the company and began building apps with it. Initiated 1-on-1 meetings and quarterly company gatherings, launched a buddy system, and hired interns who quickly evolved into high-margin employees;

C# Xamarin Developer

TH-EY
08.2018 - 10.2020
  • Development and maintenance of Xamarin.iOS & Xamarin.Forms apps (food ordering service and VIP wardrobe management), direct communication with customers to keep them informed and make sure we deliver what they really need in time, introduced CI/CD in the company with BitBucket & GitLab pipelines and MS App Center, initiated and led company-wide, monthly retrospective meetings;

C# Xamarin Developer

KMD Polska
02.2016 - 09.2018


  • Developing WorkZone Mobile cross-platform document and case management app in Xamarin.Forms, introduced MVVM in an almost structure-less project, improved separation of models, testability and test coverage, minimized concurrency-related bugs;

Escape Room Owner

Hard Lock sp. z o.o.
04.2017 - 01.2018
  • Managing a small business with 5 people team, setting up the company, working on marketing strategies and developing relations with owners of similar businesses, responsible for technical issues like electronics, mobile hint system, riddles, website, improving rooms, making sure that customers leave satisfied after playing a good game;

C# Xamarin Developer

Telecom Limited
09.2014 - 09.2015
  • Mobile applications for British companies with field based workforces (mainly proof of delivery systems), Xamarin.Forms, Android and WinRT UI, MVVMCross, Microsoft SQL Server, working closely with UX designer and business analysts to forge solutions conforming to specification and meeting customer's needs in a very limited timeframe;

Mobile Game Developer

DAZZ STUDIO
06.2012 - 07.2014
  • Cross-platform (Android, iOS, WP8, Web) games in Unity3D and native Android apps in Java;

C++ Software Developer

Nokia
08.2013 - 03.2014
  • WCDMA department, agile methodology, software maintenance, refactoring, unit testing in C++ (Boost, Turtle Mock) and Lua (Busted), custom CI system in Bash, porting software from Windows to Linux;

Education

Master of Science - Advanced Informatics and Control

Wroclaw University of Technology
01.2015

Master of Science - European Systems and Control

Coventry University
01.2015

Bachelor of Engineering - Informatics

WSZ „Edukacja”
01.2013

Bachelor in Journalism and Social Communication - undefined

WSZ „Edukacja”
01.2010

Skills

  • JavaScript and TypeScript in React Native
  • C# development (Xamarin, Unity3D, WCF)
  • C/C (OpenGL, Qt, Windows Forms, AVR microcontrollers)
  • Java for Android
  • SQL, HTML, CSS, Python, Pascal, Lua, PHP, Matlab
  • Cloud: AWS and Azure
  • Remote work communication: Slack, Google Workspace, MS Teams

  • AI: using ChatGPT daily, familiarity with classic machine learning
  • IDEs: Visual Studio, VS Code, IntelliJ, Xcode, Android Studio
  • Software testing: manual & test automation
  • Electronic engineering, computer vision and image processing knowledge
  • Agile project management: Jira, Trello, Azure DevOps
  • Version control systems: Git, SVN, Mercurial
  • Other: Figma, Canva, Linux, Bash scripting, Photoshop

Certification

  • Healthy Spine – Profi Fitness (2024)
  • Functional Training Instructor, Hardstyle Kettlebells Level 1 – Profi Fitness (2023)
  • Personal Trainer, Gym Instructor, Anatomy & Physiology, Dietetics Basics, BLACKROLL Workshop – Profi Fitness (2022)
  • HR Specialist – HR Masters (2020)

Languages

English
Advanced (C1)

Hobbies and Interests

Post-apocalyptic LARPs, chasing new experiences, collecting skills and diverse knowledge, physiotherapy, various sports like climbing, cycling, snowboard, wakeboard, inline skating, diving, psychology and personality typologies (socionics, enneagram), music (playing guitar and trying other instruments), martial arts and weapons, science.

A bottom line

All above skills, experiences (few irrelevant workplaces skipped), tools and mindset combine into my biggest selling point – INTUITION. Which, in business environment, translates into quick adaptability to any role that I take.

Disclaimer

I hereby agree for my personal data, included in my job application, to be processed in line with the needs of recruitment, in accordance with the Law on Personal Data Protection of 29 August 1997 (Law Gazette from 2002, No.101, heading 926, as amended).

Timeline

Lumberjack

Grupa Realizacyjna
03.2025 - 07.2025

Founder

Vilanculos Diving Center
07.2022 - 08.2023

Director

TH-EY
06.2022 - 01.2025

Head of Mobile Development & recruiter

TH-EY
10.2020 - 06.2023

C# Xamarin Developer

TH-EY
08.2018 - 10.2020

Escape Room Owner

Hard Lock sp. z o.o.
04.2017 - 01.2018

C# Xamarin Developer

KMD Polska
02.2016 - 09.2018

C# Xamarin Developer

Telecom Limited
09.2014 - 09.2015

C++ Software Developer

Nokia
08.2013 - 03.2014

Mobile Game Developer

DAZZ STUDIO
06.2012 - 07.2014

Master of Science - European Systems and Control

Coventry University

Bachelor of Engineering - Informatics

WSZ „Edukacja”

Bachelor in Journalism and Social Communication - undefined

WSZ „Edukacja”

Master of Science - Advanced Informatics and Control

Wroclaw University of Technology
Filip Mazur