Scalable apps in Java, Angular and Spring. Applications you don't want to hand to a WordPress freelancer.
To save your time and mine - here's when to reach out, and when to skip.
Four areas I work in regularly. A concrete business problem, not a list of technologies — and direct access to me, not an agency.
I build web application backends in Java 17/21 and Spring Boot 3 - from scratch or rescuing legacy code.
Learn more → 2–6 monthsSPA and SSR applications in Angular 17–19, with Tailwind and NgRx where appropriate.
Learn more → 2–8 weeksI integrate your system with providers, queues and other microservices - REST, gRPC, Kafka, RabbitMQ.
Learn more → 1–2 weeks1–2 week review of a Java/Spring or Angular application: security, performance, technical debt.
Learn more →SSR web platform for an international medical congress bridging oncology, sexology, and survivorship care - connecting 650+ researchers, clinicians, and PhD candidates across disciplines in Szczecin, Poland.
AI Chargeback Defender for Shopify SMB merchants. Auto-drafts a Visa CE 3.0–native evidence packet that the merchant approves in one click - no more silent auto-submits losing disputes on their behalf.
SaaS for Polish IT body leasing firms - per-contractor risk score, anti-sham clauses, KSeF self-invoicing, and a PIP dossier ready in 5 minutes. Compliance before the law takes effect on July 8, 2026.
Project under NDA - details to be revealed after completion.
Projects for companies of all sizes - from startups to a banking group.
7 years in the Java/Spring/Angular stack, from startups to enterprise, focused on architecture and real value. They scale because they're designed around what their users actually do.
My last 3 years were at PKO BP Finat (PKO BP Group) as Senior Backend Developer - maintaining a portfolio of financial applications serving over 100 000 clients. Before that: Apentis (Risk Quadrant + Investor Portal) and Kainos (Workday automation). Currently vHive via SCALO.
Outside code: powerlifting, keeping up with AI, photography, reading, cooking, and roaming Szczecin with my Shiba Inu.
I pre-answer two questions every client asks: what does it look like, and how much does it cost.
Indicative prices, ex VAT. Final quote after the call. Warranty covers bugs in code I delivered, within the original specification.
I respond fastest to emails and calendar slots. The form works too.