Marcin Papciak · mpap · Kraków / remote · EU

I build AI products, mobile apps & automations that ship.

Software engineer with 15+ years in banking-grade systems — now shipping my own AI products with paying customers in both app stores. I take projects from idea to App Store, cloud and first paying user.

15+

years engineering

own products live

iOS·Android·Web

apps in production

EN·PL

working languages

Products I've built

founder-level proof of work

Photomize

Founder · 2 years in production

AI photo, video & voice studio — personal AI model training, 100+ scenes, an AI editor with 40+ effects, voice cloning and AI video. Live for 2 years with paying customers: iOS, Android and web.

AI pipelineStripeRevenueCatGCPMeta / Google / TikTok Ads

Case study → App Store Google Play photomize.ai

aidock

Founder · in development

Platform for running a fleet of AI coding agents alongside real people: agents clone repos, open pull requests and report to Slack; kanban for human + AI work, budgets, guardrails and an MCP server.

AI agentsDocker / KubernetesMCP serverSlackPython

Case study →

Seauton

Engineering support

AI journal & CBT app for overthinking and anxiety — voice journaling with transcription, CBT pattern recognition and a 12-week psychology pathway. I support the team on the engineering side.

AI productmobilestartup

Case study → App Store Google Play

SeniorCare+

Co-founder · closed after 2 years

A LiveKid-style app, but for nursing homes: with my co-founder at Senior Care Technology sp. z o.o. we built a mobile app connecting families with their loved ones' care home — daily photo updates, meals, medications and direct chat with caregivers. The startup didn't take off; we shut it down after 2 years. It stays on this list because a shipped product that failed teaches more than an idea that never shipped.

mobileB2Bcare-techstartup

Case study →

AI automation in action

real pipelines running in my products

100% AI-generated

sesjazdjeciowa.ai

Fully AI homepage

The entire Polish homepage of Photomize — copy, section structure, offer, FAQ and SEO meta — is designed, written and assembled by an AI pipeline. A human only reviews and approves. The page sells a real product to real customers every day.

brief → AI copy + layout → SEO meta → approval → deploy

AI copywritinglanding pageSEO

sesjazdjeciowa.ai ↗

Weekly · auto

Self-writing blog

AI content + SEO pipeline

Every week an automation researches keywords, writes a complete SEO article for the Photomize blog — headline, structure, internal links, meta — and drops it into an approval queue. One click publishes. Content marketing runs itself; a human stays in the loop only for quality.

cron weekly → keyword research → AI article + meta → approval queue → publish

programmatic contentSEOhuman-in-the-loop

blog ↗

Programmatic SEO

Landing pages on demand

Auto-generated per use case

Photomize has many audiences — photographers, photo editors, job seekers, dating profiles. Instead of hand-building a landing for each, an automation generates a dedicated page per use case: copy, examples, pricing section, SEO meta. The long tail of search gets covered without a content team.

use case list → AI landing (copy + sections + meta) → approval → deploy → SEM/SEO traffic

programmatic SEOSEMAI copyscale

restore old photos ↗ for photographers ↗ all editing use cases ↗

…and the smaller automations I build along the way

Lead / e-mail collection flows wired into MailerLite & Mailchimp
Slack & Telegram bots — alerts, reports, approvals in chat
Automated ad reports: Meta / Google / TikTok in one daily summary
App usage & revenue statistics pulled and delivered on schedule
A/B test results aggregated automatically from experiments
Auto-generated PDF reports from stats, usage and campaigns

What I can do for you

2026 EU senior freelance ranges

AI apps & agents

LLM features in your product, RAG, chatbots, agent workflows, MCP servers and integrations — built by someone who runs his own agent fleet daily.

€40–60 / h≈ 175–260 zł / h

Mobile & web apps

iOS & Android apps shipped to both stores, plus web apps — full cycle: build, store review, payments, analytics, release.

€35–55 / h≈ 150–235 zł / h

Automation & integrations

Company workflow automation and system integrations: Stripe, RevenueCat, ServiceNow, Google Workspace, chat bots, internal AI tooling, event-driven pipelines.

€38–58 / h≈ 165–250 zł / h

Cloud & DevOps

Google Cloud, Kubernetes, Docker, Rancher, CI/CD, ELK stack, Linux — architecture, migrations, and keeping production boring.

€38–55 / h≈ 165–235 zł / h

AI-driven growth

Meta, Google and TikTok campaigns run by a dedicated marketing specialist on my team — she creates AI-generated images and videos, manages social media, and I add Google Ads API automation for monitoring and reporting.

€25–40 / h≈ 105–170 zł / h

E-mail marketing & newsletters

MailerLite and Mailchimp setup, automation flows, transactional e-mails via API and newsletter production. I use these daily and run my own newsletter — you get working practice, not theory.

€28–45 / h≈ 120–195 zł / h

SEO, analytics & ad tracking

Technical SEO for your site, product analytics with PostHog, error monitoring with Sentry, A/B experiments, and the full ad-event layer: Google Tag, Meta Pixel and Meta Conversion API — so your campaigns optimize on real conversions.

€30–48 / h≈ 130–205 zł / h

About rates: ranges reflect typical 2026 market rates for senior EU-based freelancers. Every project gets an individual quote — fixed-price delivery is possible for well-defined scope.

Billing & invoicing

Registered Polish business, active VAT and VAT-EU payer. All rates are net. Polish clients get a VAT invoice with 23% VAT; EU companies with a valid VAT-EU number are invoiced under the reverse charge procedure, so no VAT is added.

Invoicing: VAT invoice
VAT ID: PL6852250399
Poland: +23% VAT
EU businesses: reverse charge, 0% VAT

15+ years of experience

client names under NDA — details on request

2017 — now

Senior Software Engineer & Team Lead — global pharma company

Leading a developer team in managed service across multiple projects. Java / Spring Boot microservices on Kubernetes + Rancher, Angular frontends, Elasticsearch / ELK, and a ServiceNow → Google Chat → AI agent integration on Google Cloud.

1 year

Java Developer — international bank, trading platform

Info-trade projects: Java on WebLogic, Angular frontends, message queues and event-driven processing in a high-stakes financial environment.

2015

On-site Consultant — bank in Brussels

JMS / TIBCO integration testing between bank systems, WebSphere environment maintenance, scrum team at the client's office.

2010 — 2017

Java EE Developer — fintech software house

Credit process management and BPM platforms used by banks: jBPM workflow engines, web services integrating external decision engines, JSF / EJB on Oracle, production support.

2001 — 2003

System Administrator

Linux servers, networking, Apache / mail / firewall configuration — where the DevOps instinct started.

2006 — 2011

AGH University of Science and Technology, Kraków

Informatics, Software Engineering.

Stack

Java / Spring BootTypeScriptAngularRxJS PythonFastAPINode Tailwind CSSCapacitorFlutter Claude / OpenAI APIsMCP Firebase (Auth / Firestore / Functions) GCPCloud RunPub/Sub KubernetesDockerRancherLinux PostgreSQLMongoDBOracleElasticsearch / ELK REST / JMS / TIBCOjBPM PlaywrightJasmine / Karma Jenkins / GitLab CI StripeRevenueCat Google Ads APIMeta / TikTok Ads MailerLite / Mailchimp PostHogSentryGoogle Tag ManagerMeta Pixel / CAPI

How I work

AI-accelerated

I run my own fleet of AI coding agents (that's what aidock is), so senior-quality work ships at startup speed.

Production discipline

15 years of banking and pharma systems: tests, CI/CD, monitoring and security are the default, not an extra.

End to end

One person covering product, code, cloud, stores and growth — fewer handoffs, faster decisions, working software.

Marketing on the team

mpap isn't just an engineer: a dedicated marketing specialist handles ads, e-mail campaigns, AI-generated images and video, and social media management.

The team

two people, full product loop

Marcin

Founder · Engineering

15+ years of banking- and pharma-grade engineering, founder of Photomize and aidock. Takes a project from architecture through code, cloud and app-store release to first paying users.

AImobile / webcloudintegracje

Monika

UX Design · Marketing

Designs the UX, creates AI-generated images and video, runs Meta / Google / TikTok campaigns, e-mail marketing and social media. The reason mpap projects don't just work — they also sell.

UX designAI creativesadse-mailsocial media

One quote — the whole team included.

Service rates above already include the right person for the job: engineering is me, UX, creatives and campaigns are her — no agency overhead, no separate price lists. You brief one team and get software that ships and marketing that converts.

Have a project in mind?

Tell me what you're building — I'll reply with an honest take on scope, timeline and cost. English or Polish, remote-first, EU timezone.

E-mail

Business details Marcin Papciak · VAT ID PL6852250399 · VAT-EU registered