What you will do
- Build, extend, and scale our internal workflow automation platform built on top of n8n;
- Design and implement backend services and integrations to support complex automation workflows;
- Develop and maintain scalable integrations with internal services, third-party SaaS platforms, and APIs;
- Collaborate closely with stakeholders and pilot users in Japan, particularly within the Recruit domain, to ensure successful platform onboarding and adoption;
- Customize workflows and platform capabilities based on user needs and operational requirements;
- Contribute to platform architecture decisions and ensure long-term scalability and reliability;
- Provide technical leadership and best practices for automation design, system integrations, and platform stability;
- Support users by troubleshooting issues, improving platform usability, and ensuring successful adoption.
Must haves
- 5+ years of experience;
- Business-level to native Japanese proficiency, written and spoken — non-negotiable;
- Ability to communicate effectively with stakeholders and users in Japan;
- Strong experience with Node.js as a primary backend language;
- Experience building, extending, or operating automation platforms using n8n;
- Python as a secondary language for backend services, scripting, or supporting components;
- Experience with React for building modern, responsive interfaces and integrating frontend applications with backend services;
- PostgreSQL – relational database design, querying, and optimization;
- MongoDB – experience with NoSQL data modeling and document-based storage;
- Strong experience building and maintaining REST APIs;
- Experience integrating internal systems and third-party SaaS platforms;
- Experience with Docker and containerized environments;
- Strong stakeholder management and relationship-building skills;
- Comfortable working directly with users and partners to understand needs and ensure successful platform adoption;
- Ability to translate technical capabilities into practical solutions for business teams;
- Strong collaboration and communication skills in cross-functional and international environments;
- Upper-intermediate English level.
Nice to haves
- Experience designing workflow automation systems;
- Experience with SaaS integrations across multiple platforms;
- Background in platform architecture or internal developer platforms;
- Experience building internal tools or automation platforms used across multiple teams.
We are looking for a Lead Full Stack Engineer to build and scale an internal workflow automation platform on n8n, supporting a Japan-based pilot rollout within the Recruit domain. You’ll work across Node.js, React, PostgreSQL, and MongoDB — designing integrations, extending platform capabilities, and partnering directly with stakeholders in Japan to drive adoption. Business-level Japanese proficiency is required.
About the role
The benefits of joining us
Professional growth
Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps
Competitive compensation
We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities
A selection of exciting projects
Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands
Flextime
Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive.
Your AgileEngine journey starts here
2 min
Tell us about yourself
2 sec
Confirm requirements
30 - 60 min
Pass a short test
5 min
Record a short video
→ Introduce yourself on a video, instead of waiting for an interview
Live interview
Ace the technical interview with our team
→ Schedule a call yourself right away after your video is reviewed
Live interview
Final interview with your team
→ Get to know the team you will be working with
Get an offer
As quick as possible
