Sr Software Engineer Fullstack

About Trafilea

Trafilea is a Consumer Tech Platform for Transformative Brand Growth. We’re building the AI Growth Engine that powers the next generation of consumer brands.

With over $1B+ in cumulative revenue, 12M+ customers, and 500+ talents across 19 countries, we combine technology, growth marketing, and operational excellence to scale purpose-driven, digitally native brands.

We own and operate our own digitally native brands (not an agency), with presence in Walmart, Nordstrom, and Amazon, and a strong global D2C footprint.

Why Trafilea

We’re a tech-led eCommerce group scaling our own globally loved DTC brands, while helping ambitious talent grow just as fast.

🚀 We build and scale our own brands.

🦾 We invest in AI and automation like few others in eCom.

📈 We test fast, grow fast, and help you do the same.

🤝 Be part of a dynamic, diverse, and talented global team.

🌍 100% Remote, USD competitive salary, paid time off, and more.

Key Responsibilities

As a Senior Full Stack Software Engineer (React.js + Node.js), you'll build and scale technology that powers high-performing eCommerce experiences. You'll work at the intersection of Engineering, Product, Marketing, and Analytics, delivering solutions that directly impact customer acquisition, conversion, and business growth.

You will:

• Design, develop, and maintain scalable full-stack apps using React.js, Node.js, and TypeScript.
• Own features end-to-end: technical design, implementation, testing, deployment, and optimization.
• Build new solutions while improving existing systems for scalability, maintainability, performance, and reliability.
• Partner with Product, UX, Marketing, Data, and Engineering to improve shopper journey and conversion.
• Implement and maintain tracking (GTM, Facebook Pixel, Segment.io, etc.) with accurate event tracking across the journey.
• Support A/B testing and experimentation with Growth/Marketing for data-driven decisions.
• Participate in architecture discussions, proposing solutions that boost quality, velocity, and business outcomes.
• Produce clear technical documentation, diagrams, and implementation guidelines.
• Advocate for engineering excellence (code reviews, best practices, security, performance) and drive down technical debt within Agile/CI-CD workflows.

• 5+ years building modern web apps with React.js, and 5+ years building backend services with Node.js.
• Strong TypeScript, HTML5, CSS3, and advanced CSS selectors.
• Hands-on experience with Google Tag Manager (strongly preferred).
• Experience implementing tracking (Facebook Pixel, Segment.io, Google Analytics or similar).
• Solid understanding of event tracking, analytics implementation, and martech integrations.
• Experience with Git, CI/CD pipelines, and modern dev workflows.
• Practical AWS experience; Agile/SCRUM background.
• Proven experience building/scaling eCommerce platforms, with strong grasp of shopper journey, CRO, and CX.
• Strong problem-solving and cross-functional collaboration (Product, Engineering, Marketing, Analytics), with excellent communication in a fast-paced, remote-first environment.