Marek Majchrzak
I am a Software Engineer and Product Manager with over 7 years of experience and a proven track record of delivering successful applications used by hundreds of thousands of users.
I specialize in React Native and web development but have experience with the backend too.
I love working with team members to create meaningful products and scalable solutions.
React NativeReactWebTypescriptExpoNext.jsMobileOpenAI API
User ResearchAnalyticsData Driven DevelopmentDesign SystemStrategyLeadership
Senior Mobile Engineer and Teamlead
Freelance
20k+ users. Fitness app with workouts and exercise programs. Top 1 in Polish App Store (in Fitness and Health) on the first day.
React NativeTypeScriptAzureMixpanelFirebaseTamaguiTeam managmentUser ResearchData
https://codzienniefit.app/
Chief Technology Officer
Full-time
50k+ users. AI tool to help seniors solve technical problems
React NativeReactNext.jsTypeScriptOpen AI API
https://www.lotti.ai/
Product Manager and Strategist
Side project
30k+ users. The fastest way to save a tagged note to Notion.
ManagementDesignDataUser Research
https://instantnotionapp.com/
Senior React Native Engineer
Full-time
App for content creators. Unfortunately the start up did not succeed.
React NativeReactTypeScript
https://www.instagram.com/actiodaily/
Mobile Engineer and Co-founder
Freelance
200k+ users. Sex education app in Polish.
React NativeTypeScriptAzureFirebaseTeam managementUser ResearchData
https://web.coztymseksemapp.pl/
Senior Full Stack Engineer
Full-time
Various project with many clients (Softwarehouse).
React NativeReactTypeScriptPythonVue.jsAngularGraphQL
https://valuelogic.one/
Mobile Engineer
Full-time
A short-term project for the medical industry.
React NativeReactTypeScriptGraphQL
https://www.4soft.co/From Intern to Software Engineer
Full-time
Various project with many clients (Softwarehouse).
React NativeReactPythonVue.jsAngular
https://valuelogic.one/
Bachelor Architecture
I completed my degree, but even during my studies, I had already started working in IT.