Michal – Python, Typescript, Vue.js

Multi-tenant B2B HR-consulting platform for consultancies to manage client engagements end-to-end — client accounts, case management, a data warehouse, templated smart reporting, and invoicing. Built as several Django microservices with deliberate PII/analytics separation, maintained by a two-person engineering team.

• Architected a multi-tenant platform as several Django microservices on PostgreSQL, separating client PII from the analytics data warehouse;
• Built a Vue.js (Quasar) SPA and a separate data-intensive React / Next.js + Firebase application;
• Designed REST APIs, Django-based SSO, and an isolated sandboxed container to safely execute user-defined report snippets;
• Built a standalone data-collection microservice optimised for throughput and availability;
• Implemented templated smart reporting, client account management, case workflows, and invoicing;
• Ran a daily AI-assisted development workflow (Claude Code with custom plugins, agent harnesses, and explicit validation gates) to increase shipping velocity while maintaining quality;
• Set up Docker and GitHub Actions CI/CD; owned architecture and product direction end-to-end.

Real-time collaboration platform for remote teams featuring 6 interactive team-building activities, built on Node.js, WebSockets, and vanilla JS with a Django backend. Included user management, email alerting, monitoring, and PPC-driven user acquisition.

• Built the real-time multiplayer engine supporting 6 concurrent game types using Node.js and WebSockets;
• Developed user admin system, onboarding flows, and automated email alerting;
• Set up monitoring infrastructure and managed PPC acquisition campaigns;
• Led product direction and DevOps end-to-end in a two-person team.

B2B employee-experience platform that replaces traditional staff surveys with a conversational AI chatbot, raising engagement rates and surfacing actionable signal for HR and people-ops teams. Built from blank-page concept to paying enterprise customers.

• Defined ICP, product roadmap, and core architecture from inception to enterprise scale;
• Designed a conversational chatbot survey format that improved response rates over traditional survey tools;
• Ran continuous user validation cycles and iterated on conversation flows based on direct feedback;
• Owned delivery, release management, and feature prioritization.

Big Data and predictive analytics consulting for enterprise and industrial clients — translating complex data models into actionable C-suite decisions, and bridging engineering, product, and commercial teams across the delivery cycle.

• Built and delivered predictive analytics and Big Data solutions for enterprise/industrial clients;
• Translated complex analytical results into actionable business strategy for C-suite stakeholders;
• Bridged engineering, product, and commercial teams through the sales and delivery cycle.