Douglas Ochner
Senior Frontend Engineer | Vue.js & TypeScript Specialist
About Me
Senior Frontend Engineer with 5 years of specialized experience building scalable, production-ready web applications at a $2B+ health tech unicorn and high-growth SaaS companies.
Currently based in Lisbon, Portugal with legal authorization to work remotely for international companies. 4+ years of distributed team experience with proven ability to collaborate across US and European timezones.
What I Do Best
- 🏗️ Architect high-performance Vue.js applications for digital health, e-commerce, and SaaS platforms
- 🚀 Lead critical frontend migrations and rewrites that improve system performance and scalability
- 👥 Mentor developers and establish frontend best practices across engineering teams
- 💡 Build intuitive interfaces serving thousands of daily users
Core Technologies
Vue 3 • Nuxt • TypeScript • Vite • GraphQL • Tailwind CSS • UnoCSS • Quasar • SASS • Vitest • Cypress
Recent Impact
- Promoted to Senior Frontend Engineer at Sword Health (Nov 2025) - leading technical direction for patient-facing applications
- Led Vue 2 → Vue 3 migration across multiple critical projects, improving performance and developer experience organization-wide
- Co-architected internal design system, collaborating with design team to ensure consistency across all products
- Mentored 3+ engineers through code reviews, pair programming, and hands-on project involvement
- Rebuilt legacy CRM from Laravel Blade to Vue 3, significantly improving performance for enterprise clients
- Developed B2C fitness platform connecting personal trainers with clients, managing auth, search, and workout features
Technical Expertise
Senior-level proficiency in modern frontend technologies with proven track record of delivering production applications at scale.
Vue.js & Nuxt
Expert5+ years- Deep expertise in Vue 3 Composition API, Nuxt, Pinia, Vue Router. Led multiple Vue 2→3 migrations at scale. Co-architected design systems and component libraries used across enterprise applications.
- Vue 3Nuxt 3PiniaVuexVue RouterComposition API
TypeScript
Advanced4+ years- Strong typing for scalable applications. Implemented type-safe APIs, custom type guards, and complex generics. Established TypeScript best practices across engineering teams.
- TypeScriptType SafetyGenericsAdvanced Types
Modern CSS & Design Systems
Expert5+ years- Built design systems from scratch using Tailwind CSS, UnoCSS, SASS, and BEM methodology. Co-architected internal design system at Sword Health ensuring consistency across products.
- Tailwind CSSUnoCSSSASSBEMCSS-in-JSResponsive Design
Testing & Quality Assurance
Advanced3+ years- Established comprehensive testing strategies including unit tests (Vitest, Jest) and E2E testing (Cypress). Created testing standards that reduced bugs and improved code quality organization-wide.
- VitestJestCypressTesting LibraryE2EUnit Testing
GraphQL & APIs
Advanced3+ years- Implemented GraphQL with Apollo Client, reducing API calls by 40%. Experience with RESTful APIs, real-time data, and backend integration. Collaborated with backend teams on API design.
- GraphQLApollo ClientREST APIsWebSocketsAPI Design
Build Tools & DevOps
Advanced4+ years- Expert in modern build tools and development workflows. Optimized build performance, implemented CI/CD pipelines, and improved developer experience across teams.
- ViteWebpackGitGitHub ActionsCI/CDPerformance Optimization
Leadership & Mentoring
Senior2+ years- Mentored 3+ engineers through code reviews and pair programming. Established frontend best practices, led architectural decisions, and drove technical direction for patient-facing applications.
- Code ReviewMentoringArchitectureTechnical Leadership
Performance & Accessibility
Advanced3+ years- Focus on web performance optimization and accessibility compliance. Improved Lighthouse scores, optimized bundle sizes, and ensured WCAG compliance for healthcare applications.
- Performance OptimizationAccessibility (a11y)WCAGLighthouse
Professional Experience
5+ years of specialized frontend development experience, with proven track record of leading critical migrations, mentoring engineers, and building scalable applications for health tech, SaaS, and e-commerce platforms.
Contact me
If you wanna get in touch, talk to me about a project collaboration or just say hi: