Senior Product Frontend Engineer

I build complex, accessible web platforms — from enterprise SaaS and design systems to privacy-focused fintech — combining technical execution with UX research and product strategy to ship B2B and B2C products with measurable business impact.

Norton Andreev

Selected work

Client projects and professional roles across enterprise SaaS, platform migrations, privacy technology, and fintech — from aerospace firmware to AI code quality. Each engagement emphasizes accessible design, measurable business impact, and cross-functional collaboration.

Kurrent Navigator Desktop App
Kurrent

Kurrent Navigator

StencilJS to SvelteKit migrationElectron desktop productDesktop-grade virtualised UIOperational safety & RBAC

Played a major role in migrating Kurrent Navigator from its legacy StencilJS implementation to the current Electron desktop application built with Svelte 5 and SvelteKit — available on macOS, Linux (Flathub), and Windows.

  • Built a type-safe client–server data layer with SvelteKit Remote Functions for loading and updating cluster statistics, connectors, and stream data.
  • Implemented the Connectors management interface end-to-end, built on a dynamic, easily extensible form system with custom interactive inputs.
  • Built complex, desktop-grade UI components, including resizable data tables with virtualised rendering for large datasets.
  • Modernised the Navigator interface during the migration, replacing legacy components and aligning layouts, spacing, and visual patterns with the Svelte design system.
  • Delivered operational safeguards including role-based access control, production-environment warnings, resilient error recovery, and quorum-aware cluster shutdown and failover controls.
Couchbase Capella
Couchbase

Couchbase Capella

React to Svelte redesignMulti-cloud DBaaSEnterprise connectivityBest Cloud Data Management 2023–24

Played a key role in the React-to-Svelte rebuild of Couchbase Capella’s interface, helping deliver a simpler, redesigned developer experience for the award-winning multi-cloud DBaaS.

  • Worked with design and product teams to rebuild and simplify developer workflows across the Capella UI.
  • Implemented replication capabilities and Single Sign-On workflows for enterprise deployments.
  • Delivered Private Link and App Services experiences across AWS, Azure, and GCP.
  • Built Data Tools interfaces for working with data inside the platform, contributing to the product recognised as Best Cloud Data Management Solution 2023–24.
Dusk Web Wallet
Dusk

Dusk Web Wallet

1.0 & open-source releaseEVM bridge & token migrationTransaction validationStaking & rewards

Shipped Dusk Web Wallet through its 1.0 launch and open-source release, then continued developing bridge, migration, validation, staking, and rewards workflows.

This case study reflects the version shipped during my time on the team. The live product has since been updated.

  • Shipped the 1.0 and open-source releases, including dark mode, automatic synchronisation, and w3sper.js integration.
  • Modernised the application foundation through SvelteKit 2 and Vite 5 upgrades.
  • Built EVM bridge and ERC-20/BEP-20 migration flows with Reown AppKit and Wagmi, including third-party wallet connections, transaction validation, chain switching, and approve/migrate steppers.
  • Shaped consistent interaction patterns across bridge, migration, validation, and core account journeys.
  • Developed staking features including partial unstaking, partial reward claiming, and multi-profile account switching.
Dusk Block Explorer
Dusk

Dusk Explorer

Sub-800 ms load timesParallel API & GraphQLReusable data componentsOpen-source launch

Helped rebuild and launch Dusk Explorer, delivering blockchain insights through a responsive interface with sub-800 ms load times.

This case study reflects the version shipped during my time on the team. The live product has since been updated.

Locking System Configurator
ICS Sustainable Solutions

Locking System Configurator

Figma to SvelteKit deliveryMulti-step configuration UXReusable component libraryAccessible EN / DE experience

Through Nortware, I was contracted by ICS Sustainable Solutions to design and deliver a locking-system configurator for Sicherheitstechnik Nord (Meesenburg GmbH), covering the end-to-end Figma design, SvelteKit frontend, and reusable component library.

BWRE Capital – Bonds – Portfolio Page
BWRE Capital

Bond Investment Platform

€3.5m sold out in under 2hEnd-to-end frontendKYC / AML & wallet connectivityRegulated Web3 investment

Built the complete frontend for BWRE Capital’s regulated, tokenised bond investment platform. The €3.5 million offering for qualified investors sold out in under two hours, with secondary-market liquidity through the NPEX stock exchange.

Kurrent UI Kit and UI Handbook
Kurrent

Kurrent UI Kit & Handbook

StencilJS to Svelte 5 migrationDesign-system modernisationAccessible component librarySpacing, tokens & handbook

Played a major role in modernising Kurrent’s design system by redesigning and migrating legacy StencilJS components to @kurrent-ui/kit, the shared Svelte 5 library used across its products. The UI Kit, playground, and handbook remain internal to Kurrent engineering teams.

Magic

AI Training Engineer (Code Quality)

AI code evaluationFrontend architecture reviewSvelte & modern JavaScriptReview calibration

Reviewed and annotated frontend code submissions to support the training and evaluation of AI-driven code agents.

Business ownership

Nortware is how I deliver client work: senior product engineering for startups and enterprise teams, structured as focused contracts or ongoing fractional partnerships.

Founded 2023 Founder & Senior Product Frontend Engineer

Nortware

Engagements cover complex web and desktop products, shared design systems, and accessible component libraries. I lead independently or embed with established teams, shaping each engagement around the product, delivery stage, and team. Client work has included Couchbase, Dusk (Network), and early-stage teams.

Education & achievements

Graduated top of class — BEng Software Engineering, First Class Honours, University of Sheffield, a QS top-100 university ranked 82nd globally in 2026, awarded the Mappin Medal. Best dissertation in the cohortClimaFever, a dual-platform hay fever management and allergy research solution. Outstanding Mentor recognition for mentoring Computer Science students.

Early career experience includes firmware engineering on safety-critical aerospace projects and full-stack development mentoring at the University of Sheffield, providing comprehensive grounding in engineering discipline and product delivery.

ClimaFever
University of Sheffield

Dissertation Project

SwiftUI & Ruby on RailsTestFlight beta prototypeMarket-first health functionalityPostcode-level health data

Built ClimaFever as a SwiftUI iOS app and Ruby on Rails research platform, with the working prototype evaluated through TestFlight. At the time, it was the first platform to combine quantitative hay-fever research with consumer self-management through year-round postcode-level pollen counts, numeric pollen concentrations, personalised health risk, ResearchKit surveys, and regional data export.

G9X
GE Aerospace

Firmware Engineer

95% compile-time reductionCI/CD test automationC#/.NET & WPF toolingSafety-critical aerospace

Year-long firmware engineering placement on the Boeing 777X, spanning C#/.NET test automation, compiler performance, and WPF tooling in a safety-critical environment.

Work with Nortware

Senior product engineering

Bring me in for focused delivery or ongoing fractional support across interaction design, design systems, and hands-on frontend implementation for complex web and desktop products.