P
Piotr Nowak
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Gdańsk, Pomeranian Voivodeship, Poland
Résumé
Jobs
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Senior Software EngineerHexagon ABFeb 2025 - Current (1 year 4 months)• Shaped end-to-end information architecture across Front Page, Feed, Sectors, Symbols, Creator Studio and Dashboard, reducing navigation time by 28% across 3 core personas. • Defined and mapped 12 persona journeys for retail investors, content creators and high-RS moderators, increasing first-post completion by 33% in prototype tests. • Designed a dark-themed, financial-grade design system in Figma with 60+ reusable components and tokens, cutting design-to-development handoff time by 45%. • Prototyped interactive, mobile-responsive feeds and desktop-first charting using Figma and exported specs to Storybook, enabling a 2-week implementation velocity improvement. • Built data-visualisation patterns for the RS engine using D3.js, producing R- Senior Software EngineerSTX NextFeb 2022 - Jan 2025 (3 years)• Defined component library and token system for a financial content platform using React, TypeScript, Storybook and Tailwind CSS, shipping 45 components and reducing dev duplication by 60%. • Mapped complex information hierarchies and designed content card patterns for micro-posts, signal reports and editorial pieces, improving feed relevance metrics by 23%. • Architected Figma-to-code workflows and produced pixel specs and exportable tokens that cut frontend bug backlog by 47% during a 12-week delivery cycle. • Designed interactive symbol intelligence pages with real-time charting prototypes and collaborated on integration with WebSocket streams and PostgreSQL backends to support 200 RPS. • Validated onboarding, identity verification and
- Software EngineerTietoevrySep 2019 - Jan 2022 (2 years 5 months)• Mapped backend-driven UX constraints for finance-facing dashboards and collaborated on API designs that served analytics to frontends at 99.9% uptime. • Designed time-series storage schemas and worked with PostgreSQL and TimescaleDB to enable efficient epoch-level reward breakdowns and historical RS queries, reducing query time by 62%. • Developed prototype visualisations and integration stubs using D3.js and Chart.js to validate tradeoff of latency versus visual fidelity for real-time feeds. • Implemented event-driven pipelines using Kafka and Redis for moderation and notification flows, improving moderation throughput by 3x during peak events. • Partnered with product and design teams to translate research into features, delivering 12 p
Education
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- AMaster's Degree in Computer ScienceAdam Mickiewicz University in PoznańJan 2016 - Dec 2018 (3 years)