Staff Frontend Engineer

【 About the Role 】
Tomofun is building an AI-native engineering ecosystem where AI Agents become an integral part of our software development lifecycle.

We’re looking for a Staff Frontend Engineer with strong engineering fundamentals, sound technical judgment, and a passion for advancing AI-driven software development.
You'll have dedicated time and ownership to shape how AI Agents are trained, evaluated, and integrated into our engineering workflows, while setting technical standards and driving improvements across the team.

You will also contribute to Growth initiatives, including experimentation, personalization, and Ecommerce optimization, applying AI-native practices to real-world engineering challenges.


【 What you’ll do 】

• Lead the design and continuous improvement of AI Agent capabilities based on project architecture, engineering standards, and development workflows.
• Transform project knowledge and best practices into reusable Agent Skills, Context, and Guardrails.
• Establish AI-native development workflows with automated validation and feedback loops to ensure code quality and reliability.
• Evaluate Agent outputs, identify architectural risks, and drive improvements in engineering efficiency and consistency.
• Own and deliver frontend solutions for Growth initiatives, including experimentation, personalization, and conversion optimization.
• Mentor engineers, drive technical alignment, and scale AI-native engineering practices across teams.

【 Who you are 】

- Core Qualifications -

• 6-8 years of frontend development experience (React / Next.js preferred).
• Strong understanding of frontend architecture, software design, and engineering best practices.
• Ability to navigate complex codebases, make sound technical decisions, and establish scalable engineering practices.
• Hands-on experience with AI coding agents and agent-driven development.
• Familiarity with Agent tooling such as MCP, Skills, Hooks, and context engineering.
• Experience with automated testing, CI/CD, and code quality validatio

- Nice to Have - 

• Experience designing Agent Skills, orchestration workflows, or evaluation frameworks.
• Experience with A/B testing, personalization, or Growth experimentation.
• Experience with headless CMS (e.g., Builder.io) or Ecommerce platforms.

- Mindset - 

• Technical Leadership: Takes ownership of engineering standards, influences technical decisions, and enables team-wide improvements.
• Systems Thinking: Optimizes end-to-end development workflows based on project architecture and engineering needs.
• Quality Ownership: Ensures AI-generated outputs meet project standards and maintainability requirements.
• Continuous Improvement: Evaluates and improves Agent capabilities through real-world applications.
• Collaboration & Coaching: Mentors engineers and drives AI-native adoption across teams.

【Benefits】

•  Flexible Time-off ; work hard and take time off when you need it
• Flexible working hours and work-from-home when needed
• Medical insurance and free yearly health checkup
• Yearly health checkup subsidy for your pets
• 2 free Furbos for each full-time team member
• Company trip and employee outing program
• Internal workshop and external training subsidy for you to expand your skill set and continuously learn and grow.

【 Perks 】

• The rare opportunity to work with an international team from Taiwan HQ and make impact on a global scale
• Join a group of talents who have passion to change pet parents and pet's lives through technology
• The freedom to voice yourself in an open, trusting and transparent working environment
• Quarterly all hands meetings to update entire organization on company goals, strategic directions and the opportunity to openly ask questions/give feedback
• Bring your fur babies to work in a pet-friendly office space designed to make your pet feel relaxed and comfortable
• Join our volunteer program. We are passionate about giving back to society.
• Various club activities to cultivate interests and have fun with Tomofuners after work!
• A LOT of free snacks and drinks for humans and furkids!
• Comfortable and creative office with kitchen, sofa, and quiet areas. Everyone can find their ideal place to work!
• Afternoon tea time twice a month and monthly birthday parties. We celebrate all the happy moments together.