Adrian Knapp
Senior Software Engineer @ Wellhub
About
Building scalable products with a strong focus on performance, quality, and real business impact. Front-end specialist with deep expertise in React, Next.js, and TypeScript, combined with solid Node.js and full-stack architecture experience. Currently a technical pillar at Wellhub, driving architectural decisions, mentoring engineers, and building systems that serve millions of users. Previously led initiatives at TRACTIAN, including platforms with 300K+ monthly visitors, shared monorepo architecture, and full-stack analytics migrations. Core strengths: technical decision-making, stakeholder collaboration, and continuous improvement of engineering processes. Strong command of automated testing (Jest, Vitest, Cypress), CI/CD optimization, and modern development practices. Focused on ownership, technical clarity, and product vision. Connecting execution with strategy to deliver reliable, well-designed, and impactful outcomes.
Brazil
São Paulo
Computer Software
Agentic AI Development, Leadership, User Experience (UX), Análise de negócios, Engenharia de produto, Modular Monolith, Software Architecture, Teste de unidade, Testes end-to-end, System Design, Node, Design de arquitetura de software, Empreendedorismo, Inovação tecnológica, Ciência da computação, Inteligência artificial, LGPD, Deno, Design de sistemas, Desenvolvimento de software
Experience

Senior Software Engineer
São Paulo, SP
Technical pillar within the front-end team at the world's leading corporate wellbeing platform. I drive architectural decisions, enforce best practices, and mentor engineers while building scalable systems that power mission-critical products for millions of users worldwide. • Annual Subscription: Co-authored the RFC and led the Plans scope for this company-wide initiative, contributing to 168k paid subscriptions and 20% of all new global subscribers adopting the annual model. Introduced semantic email variables pattern now adopted across 30+ templates. • Test Architecture Redesign: Identified and resolved critical bottlenecks in integration tests, achieving 3.3x faster execution (216s → 65s) and 5x coverage improvement (26 → 147 tests). Designed replicable patterns estimated to save ~140 hours of CI time annually. • Front-end Foundation: Created comprehensive documentation covering architecture, patterns, and technical decisions, eliminating tribal knowledge. • AI-Assisted Development: Drove 100% AI tool adoption across the team, implemented GitHub Copilot for automated PR reviews, and established SonarCloud quality gates enforcing 80%+ coverage. • Developer Experience: Fixed Hot Module Replacement for instant feedback loops and enabled independent Console execution, significantly improving local development speed. • Analytics Infrastructure: Identified gaps in user behavior tracking and implemented OpenSnowcat as the team's analytics solution, enabling data-driven decisions for engineers and designers.

Senior Front-end Developer
São Paulo, Brazil
At one of the world's most promising startups, I was deeply involved in technical decision-making, worked closely with stakeholders, and took ownership of multiple institutional projects. I consistently aimed to raise the bar in quality, performance, and maintainability across products. • Tractian Academy: Led the end-to-end development of the multilingual educational platform, which surpassed 100,000 visits and 45,000 unique users in its first month, later stabilizing at around 3,000 monthly active users. Orchestrated the full front-end and back-end migration to a new PostgreSQL-based stack, achieving a 60% performance boost and significant UX/UI improvements. • Institutional platforms: Contributed to the development and evolution of key platforms such as the company website (tractian.com), press release blog, careers portal, and event apps (React Native), ensuring high quality and scalability. These products totaled over 300,000 monthly visitors. • Monorepo & Architecture: Designed and maintained a shared monorepo across several projects, implementing a unified design system, reusable libraries, and a custom internationalization layer. This significantly optimized team productivity and reduced maintenance complexity. • Metrics & Analytics: Proposed and executed the migration from Google Analytics to PostHog, greatly improving data reliability and enabling better conversion tracking for Paid Media and Growth teams. • Technical leadership & guidance: Acted as the team's technical pillar, serving as the go-to person for architecture decisions, solution validation, code reviews, and best practices. Took the lead on task planning and delivery, always aligning execution with strategic objectives. • Stakeholder collaboration: Working on-site, I built strong relationships with directors and the CEO, deepening my understanding of the business and contributing to strategic product and technology decisions.

Senior Front-end Developer
Joinville, Santa Catarina, Brasil
• Helped build a global B2B e-commerce platform that enabled major brands to launch storefronts quickly and efficiently. • Developed a scalable Design System, using Tailwind and Storybook to ensure visual consistency across brands. • Shipped core features within a Storefront + BFF architecture using React, Astro, TypeScript, and Node.js. • Collaborated with product, design, and QA teams to accelerate delivery while maintaining quality standards. • Improved code reliability and maintainability by introducing Vitest for component testing.

Front-end Developer
Joinville, Santa Catarina, Brasil
• Contributed to the development of Giorgio Armani’s Brazilian e-commerce platform, built on a Storefront + BFF architecture. • Implemented new features and enhancements focused on performance and user experience. • Worked daily with ReactJS, Next.js, TypeScript, and Redux, handling complex data flows and large-scale state management. • Ensured test reliability and coverage using Jest and Cypress for unit and E2E testing. • Collaborated with a global, cross-functional team to maintain high code and design standards. • Built scalable and consistent UIs using Styled Components and design system libraries.

Full Stack Developer
Pelotas, Rio Grande do Sul, Brasil
• Designed and delivered a variety of digital products, including full e-commerce platforms, corporate websites, and high-conversion landing pages. • Built full-stack applications using ReactJS, TypeScript, Node.js, PHP, and MySQL, handling everything from front-end UI to API development and data modeling. • Set up CI/CD pipelines to streamline deployments and ensure stability across environments. • Worked with diverse architectures, including Headless CMS, tailoring each solution to the client’s industry and goals. • Collaborated directly with clients to translate business needs into scalable, performant software.
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