Sr. Frontend Engineer

Senior Frontend Engineer to architect and build scalable frontend systems, leverage AI, and lead technical decisions.

About the Role

We are building a next-generation, AI-ready web platform to power personalization, experimentation, and scalable commerce experiences.We’re looking for a Senior Frontend Engineer who is not only strong in modern frontend architecture, but also passionate about leveraging AI to elevate development quality and velocity.

This role is expected to take technical ownership and help shape the evolution of our frontend engineering practices.

What you’ll do

Architect and build scalable, high-performance frontend systems.
Leverage AI tools to enhance development velocity and code quality.
Lead technical decisions across experimentation, personalization, and CMS integration.
Drive innovation in frontend architecture and engineering practices.
Own complex projects end-to-end with strong cross-functional collaboration.

Who you are

Core Qualifications

4+ years of frontend development experience (React / Next.js required).
Strong understanding of scalable frontend architecture and performance optimization.
Hands-on experience with automated testing and CI/CD pipelines.
Experience implementing A/B testing or experimentation frameworks.

Nice to Have

Experience integrating AI tools into development workflows.
Experience with headless CMS (e.g., Builder.io, etc.).
Experience with tracking / analytics tools integration.
Experience in Ecommerce development.
Experience acting as a technical lead or decision-maker in complex projects.

Mindset

Proactively explores and validates new technologies.
Balances speed, scalability, and engineering cost.
Comfortable taking ownership and driving technical direction.
Strong communication and cross-team collaboration skills.

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.

About the Role

This role is expected to take technical ownership and help shape the evolution of our frontend engineering practices.

What you’ll do

Architect and build scalable, high-performance frontend systems.

Leverage AI tools to enhance development velocity and code quality.

Lead technical decisions across experimentation, personalization, and CMS integration.

Drive innovation in frontend architecture and engineering practices.

Own complex projects end-to-end with strong cross-functional collaboration.

Who you are

Core Qualifications

4+ years of frontend development experience (React / Next.js required).

Strong understanding of scalable frontend architecture and performance optimization.

Hands-on experience with automated testing and CI/CD pipelines.

Experience implementing A/B testing or experimentation frameworks.

Nice to Have

Experience integrating AI tools into development workflows.

Experience with headless CMS (e.g., Builder.io, etc.).

Experience with tracking / analytics tools integration.

Experience in Ecommerce development.

Experience acting as a technical lead or decision-maker in complex projects.

Mindset

Proactively explores and validates new technologies.

Balances speed, scalability, and engineering cost.

Comfortable taking ownership and driving technical direction.

Strong communication and cross-team collaboration skills.

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.