Portfolio
Case Studies
Filter by Industry
10 case studies
Laravel · Camunda · BPMN 2.0 · Kubernetes · Microservices
SME Lending Platform — BPMN Decisioning Engine
Led redesign of the decisioning layer around BPMN 2.0 and Camunda, replacing cascading conditionals with auditable process models readable by both engineers and business. Built microservices ecosystem in Laravel integrating KYC providers, open banking services, government business verification APIs, and card payment processors alongside a proprietary scoring engine. US-backed fintech platform.
PHP · Laravel · PostgreSQL
EU-funded ERP — Training Voucher Distribution
Lead contractor for a dedicated ERP serving a project with 45.5M PLN budget (40.8M PLN EU-funded), managing training voucher distribution across 8 municipal partners and 7 counties. Built the complete system from requirements through deployment.
PHP · Magento · vTiger CRM · EDI · REST
Bridge Agency — International Education Platform
Led full digital transformation of a Polish-Australian education agency representing 200+ Australian institutions. Built bridgeagency.pl — course catalogue of 2,100+ courses, course comparator, visa and accommodation cost calculator, stay package builder. Internal systems: CRM, ERP, and mailing supporting a 10-person team managing 3,000+ students. Implemented EDI with digital signature for regulated document workflows. Designed for distributed AU–PL infrastructure across two continents.
Laravel · AWS · Terraform · Lambda · Microservices
Automotive Marketplace — Southeast Asia & Australia
Lead Backend Developer with primary architectural responsibility. Designed and built the backend API and microservices layer for a platform connecting private sellers with dealerships across Australia, Indonesia, and Asia-Pacific markets. Serverless Lambda architecture eliminated idle infrastructure costs while handling traffic spikes without manual scaling.
Symfony · Vue · AWS · Docker
Real Estate ERP — Warsaw Broker Association
Co-built a dedicated ERP managing 314 members, 587 firms, and 4,000+ licensed agents across the Warsaw property market. Built in Symfony with unit test coverage.
PHP · vTiger CRM · Enova · Forte · Symfonia
eWindykator — Debt Collection SaaS
Took over development from an external vendor and continued the platform inhouse. SaaS automating accounts receivable processes: 60,000+ invoices processed daily, 107 client deployments, multichannel reminder workflows across 5 channels (SMS, email, traditional mail, VMS).
PHP · Zend Framework
Frisco.pl — Poland's First Online Grocery
Co-built the web platform for Frisco.pl from its first lines of code — Poland's first online-only grocery store. Frisco.pl was later acquired by Eurocash Group and is currently on course for 1 billion PLN in annual revenue.
PHP · Laravel
timetrend.pl & riff.net.pl — E-Commerce Stores
Built online stores for timetrend.pl (official distributor of Casio, Seiko, Bulova — part of Zibi Group) and riff.net.pl (network of 19 music stores across Poland). Both stores remain live today.
PHP · Laravel
carnews24.pl — Automotive Media Portal
Built automotive media portal from scratch, covering 243 dealerships and 770+ automotive terms nationwide. Handled end-to-end: architecture, editorial systems, content — and test-drove the cars.
Symfony · Vue · REST · AWS · Docker
CaseMGR — Non-Profit Case Management (USA)
Co-built a cloud-based case management platform for the US non-profit sector. Symfony REST API backend with Vue frontend; API-first approach. System provided secure online referrals, stakeholder communication, and reporting dashboards.