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Jakub Pruszyński

Jakub Pruszyński

Warsaw 🇵🇱

ENGINEER

Mobile +
AI Builder

I transform complex problems into elegant solutions. KMP, ML, and products that matter.

ARCHITECT

Product
Thinker

Beyond code. Strategy, discovery, and execution with business impact in mind.

Code is just the artifact. Impact is what matters.

A decade of building mobile apps for enterprises and startups. Now focused on the full picture: product discovery, technical strategy, and execution.

0+

Years of experience

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Built products

0%

Happy clients

"Those who talk should do and only those who do should talk"

— Nassim Taleb

Initiatives

Sharing knowledge and building community

In Progress

Claude Insights

An app created to boost your AI assisted productivity and workflows

Claude Code Meet Up by Brave.courses x Anthropic

Presentation: "Rewriting app without the budget but with AI"

Claude Code Without Hype - Just Practically

Webinar on practical AI coding techniques

Pragmatic Talks: AI Agents - How They Work

Guest speaker on AI architecture

Open Workshops on Programming with AI

Community workshops with hands-on AI development

Fastlane + KMM: Ultimate CI/CD

Cross-platform CI/CD excellence

TOP SEARCH RESULT on Google

Certifications

Continuous learning in AI, security, and automation

In Progress
AI Product Heroes logo

AI Product Heroes

Product-focused AI development

October 2025

AI_devs logo

AI_devs 3 Agents

Building AI Agents

December 2024

Zautomatyzowani logo

Zautomatyzowani

Automation tools, process & RPA

April 2025

AI Devs logo

AI Devs 2

Building AI Applications

April 2024

Niebezpiecznik logo

Android Mobile Security

Niebezpiecznik.pl

November 2024

DeepLearning.AI logo

Machine Learning Specialization

DeepLearning.AI

February 2024

ID: 7Q2U3QRHZXUP

Built Products

Lockus OZN

PKP Intercity

Enterprise automation for railway accessibility requests. AI transforms PDFs to structured data.

110-190h/mo savedLed end-to-end delivery
CardiaPath logo

CardiaPath

Dr. Matt Jones

Remote cardiac monitoring platform connecting wearables, virtual care, and AI.

Healthcare AIMobile lead (KMP)

AI Financial Feeds

Pragmatic Coders

AI-powered financial news aggregation and analysis platform processing thousands of sources.

AI/MLTechnical architect

AI Tech Candidate Evaluation

Pragmatic Coders

Intelligent candidate screening system using AI to evaluate technical skills and cultural fit.

HR TechFull-stack developer
Frost logo

Frost

Fintech Startup

All-in-one money management: bills, spending insights, currency exchange.

2x efficiencyAndroid lead developer
Health Folder logo

Health Folder

Teczka Pacjenta

Medical records platform with AI test processing, categorization & analysis.

AI-poweredFull-stack implementation
WP Poczta logo

WP Poczta

Wirtualna Polska

Email client with push notifications, offline access, and full mail functionality.

Millions of usersCore mobile developer
Open FM logo

Open FM

Wirtualna Polska

Poland's biggest music platform with 2,000+ hours of music daily.

100+ stationsMobile developer
1login od WP logo

1login od WP

Wirtualna Polska

Two-factor authentication app for securing WP account access.

SecurityMobile implementation
Poczta o2 logo

Poczta o2

Wirtualna Polska

Free email app with push notifications and offline message access.

Email clientMobile developer
Super-Pharm logo

Super-Pharm

Future Mind

Loyalty club & pharmacy e-commerce with virtual cards, coupons, rewards.

E-commerceAndroid developer

XKCD Explorer

Side Project

Comic viewer app for browsing and exploring XKCD comics collection.

PersonalSolo developer

What People Say

Testimonials from clients and colleagues

"What sets Jakub apart is not only his strong technical skills, but also his excellent business orientation. He approaches building products with a clear understanding of the client's goals, always seeking the right balance between value and cost."

MJ

Matthew Jones, MD FACC FSCAI

Founder, Everbeat | Client

"Jakub combines strong technical expertise with a keen eye for design and usability. He regularly delivered high-quality work on tight deadlines and was proactive in suggesting enhancements that improved the overall product."

SM

Steven Miyao

Executive Coach | Client

"Jakub's expertise in Kotlin development is remarkable, demonstrating a deep understanding of complex coding principles. His positive attitude and engaging personality greatly enhanced our team dynamics."

PO

Pawel Oltuszyk

Frost | Client

"Jakub excels because he's very careful with all the little details. He's committed to doing things right and his dedication to high-quality work shows that he cares about delivering the best results."

RJ

Rafal Jachimczyk

CTO at Keel | Direct Manager

"I was consistently impressed by Jakub's technical expertise and his ability to solve complex problems with ease. Despite the high-pressure environment, he remained upbeat and maintained excellent rapport with the team."

MD

Michał Diner

Senior Android Developer | Colleague

"Kuba to świetny specjalista, który ciągle dąży do wzbogacania swoich umiejętności. Potrafi bardzo dobrze interpretować potrzeby biznesowe na techniczne rozwiązania i odwrotnie."

MH

Michał Hawryszko

IT Manager, WP | Direct Manager

Let's Connect

Open to interesting projects and collaborations.

Warsaw, Poland • Remote friendly