JENNIFER
LOUISE
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Jennifer Louise Lynch

Senior Frontend Software Engineer

Senior Frontend Engineer with 6+ years of professional experience building React and TypeScript applications in fast-paced product teams. I thrive at the intersection of design, product, and engineering—writing clean, scalable code while solving real user problems. I recently expanded into full-stack development through independent projects, building everything from database schemas to AI-powered features. Passionate about modern architecture, mentoring teams, and shipping products people actually want to use.

Frontend

ReactTypeScriptNext.jsViteTailwind CSSshadcn/uiReduxHTML5CSS3

Architecture

TurborepoMonoreposModule FederationMicrofrontendsCI/CD

Testing

JestReact Testing LibraryCypressVitestPerformance Optimization

Backend

PostgreSQLREST APIsNode.jsSupabaseVercelCloudflare R2S3

Design Systems

StorybookComponent ArchitectureAccessibilityResponsive Design

AI & Emerging Tech

Claude APIOpenAI API

Collaboration

Technical RFCsMentoringWorkshopsAgileCross-functional Teams

Languages

English (Native)Spanish (B2+)

Senior Software Engineer

Independent Projects

Remote

August 2025 - Present
  • •Built 4 full-stack applications from scratch: travel planning app, property management platform, medical clinic system, and photography portfolio with custom CMS
  • •Designed PostgreSQL schemas, REST APIs with Next.js, and integrated cloud storage (Cloudflare R2/S3) for production-ready applications
  • •Wrote PRDs, iterated on UI/UX based on user feedback, and made end-to-end product decisions
  • •Implemented authentication, RBAC, real-time data sync, and healthcare data privacy compliance

Senior Frontend Software Engineer

Scopely (Playgami)

Barcelona

May 2022 - August 2025
  • •Led frontend for internal A/B testing, segmentation, and user profiling platforms supporting multiple product teams
  • •Co-led migration from micro frontends to Turborepo monorepo (Vite, PNPM, shadcn, Tailwind), contributing to architecture decisions and driving implementation
  • •Introduced technical planning processes: RFC documentation, workload estimation, and structured sprint planning that improved delivery predictability
  • •Mentored engineers through pair programming and delivered workshops on React patterns, testing, and modern tooling
  • •Partnered with product, design, and backend to optimize data models—reducing client-side processing and improving performance

Software Engineer & Consultant

Thoughtworks

Barcelona

September 2021 - April 2022
  • •Built customer-facing portal (React, Java) to reduce reliance on support reps and improve self-service UX
  • •Facilitated client meetings, delivered feedback, and maintained high code quality standards throughout iterative development

Frontend Software Engineer & Tech Lead

Marfeel

Barcelona

May 2019 - September 2021
  • •Led technical discovery for new clients (complexity estimation, web scraping) and integrated external media/analytics/ad providers
  • •Contributed to Vanilla JS → React migration and promoted to Tech Lead of 5-person pod
  • •Delivered React and testing workshops for team upskilling

Full Stack Web Developer Bootcamp

Le Wagon, Barcelona

Bachelor of Arts in Psychology (Hons)

University of the West of Scotland, Glasgow