Bryan Nelson, Staff Frontend Engineer

Hi, I'm Bryan

Staff Frontend Engineer

With 15 years of experience building scalable, high-performance web applications, I specialize in React, TypeScript, and frontend architecture. Based in France, working remotely with US East Coast overlap. Currently building fintech tools at Qonto (Series D unicorn, €5B). Early adopter of agentic coding workflows, focused on AI-native development.

Get in TouchView Resume
15
Years Experience
8+
Years React/TS
Remote
France (CET) / US East Coast overlap
Fluent
English
Native
French

Technical Expertise

Frontend

React
TypeScript
Next.js
JavaScript
GraphQL
Apollo Client
TanStack Query

Architecture

Micro-frontends (Module Federation)
Design Systems
Frontend Architecture
Performance Optimization
API Integration Patterns

Tooling & Infra

CI/CD (GitHub Actions)
Context Management (CLAUDE.md, Cursor rules, MCP)
Agentic coding workflows
Webpack
Vite
Node.js
pnpm
Docker (basics)
Monitoring (Sentry)

Engineering Practices

Technical leadership
Architectural decision records (ADRs)
Code reviews
Documentation
Mentoring
Cross-team collaboration

Testing & Quality

Cypress
Playwright
Vitest
Jest
E2E and unit testing strategies

Professional Experience

A proven track record in frontend development at innovative companies. For my full work history, please refer to my LinkedIn profile.

  • Staff Frontend Engineer at Qonto

    Fintech SaaS (B2B banking, Series D unicorn, €5B valuation).

    Remote, France
    • ▸Engineered complex pre-accounting tools for SME finance workflows, implementing an agentic-first development lifecycle approach that significantly reduced manual reconciliation effort while ensuring 100% test coverage for critical logic.
    • ▸Implemented AI-augmented TDD workflows to maintain 100% coverage on critical logic and leveraged agentic loops to generate comprehensive test suites prior to implementation.
    • ▸Optimized frontend performance and rendering through AI-assisted refactoring, maintaining high-velocity feature delivery within a complex, mission-critical codebase.
    • ▸Contributed to company-wide frontend initiatives, improving shared frameworks and standardizing engineering practices across multiple teams.

    Technologies:

    React JS
    TypeScript
    React Hook Form
    TanStack Query
    Tailwind CSS
    Zod
    Vitest
    Cypress
    Playwright
    Git
    Github
    GitHub Actions
    HTML 5
    Web performance

  • Lead Frontend Engineer at Stuart

    Logistics & Last-mile Delivery Platform (Series B, acquired by DPDgroup 2023).

    Remote, France
    • ▸Led development of mission-critical frontend applications and provided technical leadership to the frontend team.
    • ▸Architected a micro-frontend platform adopted by 5 teams, enabling independent deployments and transforming release cycles from biweekly to multiple times per day across the organization. — View case study| Read the ADR: Why Module Federation?
    • ▸Defined frontend standards, documentation, and engineering practices across the organization.
    • ▸Mentored engineers and led hiring and recruitment for the frontend department.

    Technologies:

    JavaScript
    React JS
    TypeScript
    GraphQL
    Apollo Client
    Redux
    Node.js
    Jest
    Cypress
    Git
    Github
    GitHub Actions
    HTML 5
    SCSS/SASS
    Material UI
    Web performance
    Responsive design
    Micro-frontends
    Webpack

  • Lead Frontend Engineer at Data Soluce

    PropTech / Collaborative Building Data Platform (Early-stage).

    Remote, France
    • ▸Defined frontend architecture and selected core technology stack, testing, and tooling.
    • ▸Mentored junior engineers and produced technical documentation.

    Technologies:

    React
    Typescript
    Redux
    Jest
    Git
    Github
    HTML 5
    SCSS/SASS
    CSS 3
    Styled-components
    Pixel-perfect
    Responsive design
    Webpack

  • Senior Frontend Engineer at Scout24 Group

    Digital Marketplace (Public company, 1000+ employees).

    Munich, Germany
    • ▸Delivered high-performance React applications for AutoScout24.
    • ▸Winner of Tech HackWeek 2018 for blockchain and peer-to-peer prototype.

    Technologies:

    React JS
    TypeScript
    Redux
    Jest
    Git
    Github
    HTML 5
    SCSS/SASS
    Responsive design
    Web performance

  • Senior Frontend Engineer at CHIP

    Digital Media & Price Comparison (Established media company).

    Munich, Germany
    • ▸Built high-performance, responsive frontend for price comparison platform.
    • ▸Developed custom JavaScript framework ensuring pixel-perfect cross-browser compatibility.

    Technologies:

    JavaScript
    HTML 5
    SCSS/SASS
    CSS 3
    pixel-perfect
    responsive design
    Git
    Github
    Web performance

  • Early Career — Frontend Engineer (France, Slovakia, Czech Republic)

    Frontend Engineer roles at Dell, Pixmania, and tech agencies across France, Slovakia, and Czech Republic. Built responsive, cross-browser web applications and collaborated with international stakeholders. Recognized with multiple corporate awards for technical excellence.

Case Studies

Deep dives into real-world architecture challenges and solutions. Presentations and technical write-ups from production systems.

  • Scalable micro-frontend platform at Stuart

    Micro-frontend architecture diagram

    Architecture and rollout of a micro-frontend platform adopted by 5 teams: independent deployments, release cycles transformed from biweekly to multiple times per day. Covers context, technical choices (e.g. Module Federation), and outcomes.

    View presentation
    Micro-frontends
    Webpack
    Architecture
    Technical leadership

Let's Work Together

Looking for a Staff Frontend Engineer to architect scalable systems, lead technical initiatives across teams, or build high performance React applications?

Send me an email
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