at Sun* Inc.
Fullstack Engineer (AI-Oriented with AI Training Program)
WHAT WE DO:
At Sun Asterisk, we build cutting-edge, high-performance systems to tackle complex challenges, with a strong focus on AI-powered products.
As a Fullstack Engineer (AI-Oriented), you will:
- Participate in a structured AI training and upskilling program to gradually develop AI knowledge and hands-on experience
- Learn how to integrate AI/LLM capabilities into real-world products under guidance from senior engineers and AI specialists
- Progress toward becoming a Fullstack AI Engineer through on-the-job training, mentoring, and practical AI-powered projects
- Develop frontend and backend features using modern web technologies
- Build responsive UI components and seamless user experiences for AI-driven tools
- Design and implement backend business logic and API layers using tRPC, REST/GraphQL
- Integrate and optimize database queries using Prisma, Kysely, and PostgreSQL
- Ensure quality through code reviews, testing (unit/integration), and observability
WHO YOU ARE:
#Mandatory Skills:
- 4+ years of hands-on experience as a Fullstack Engineer (frontend & backend)
- Strong experience with at least one of the following: TypeScript, Python (experience with other relevant backend/frontend technologies is also welcomed)
- Experience building production-grade web applications with modern frameworks (e.g. React, Next.js, or equivalent)
- Solid backend experience with tRPC or similar patterns (REST/GraphQL)
- Familiarity with PostgreSQL and query performance optimization
- Experience working with cloud platforms, preferably Azure or GCP
- Experience with CI/CD pipelines and containerization (Docker)
- Exposure to AI-related projects or tasks is an advantage
#Desired Skills:
- Familiarity with AI tools or LLM-powered platforms
- Experience with Neon PostgreSQL or other serverless databases
- Experience with Tailwind CSS, Zod, Vercel, or similar modern frontend tooling
- Understanding of Edge Functions or Serverless API patterns
- Experience using Prisma, Kysely, or other modern query builders
#Skill requirements:
- Excellent English communication skills
- Outstanding teamwork abilities
- Proven ability to prioritize and allocate work
- Sharp critical thinking and logical reasoning
- Effective problem-solving skills
#Attitude Requirements:
- Customer-centric mindset
- Adaptability to change
- Commitment to continuous learning and growth
BENEFITS AND PERKS
# Professional, open-minded, and creative environment:
- Work with colleagues who embrace ideas to change the society
- Respect different perspectives within a team
- Strong learning culture that promotes individual development
- The culture of taking risks to experience and thrive
# Focus on individual development:
- Be consulted, accompanied, and supported in career development with the career path system (developing in expertise or management direction) that has been studied and tested for many years
- Be oriented for individual, group, and organizational goals
- Be empowered
- Be supported to define a 3-month or 6-month goal (Goal Define Support)
- Get access to company Learning Hub online library with various courses provided by Udemy, LinkedIn,…
# Special care for employees:
- Salary: Negotiable + competitive allowance (lunch, living allowance, beauty care, Japanese and IT certificates, etc.)
- Performance-based bonus and year-end bonus
- Performance review: Twice/a year
- Hybrid working policy; flexible check-in, check-out
- Comprehensive health insurance Sun* Care
- Seniority Allowance
- Women care allowance: Women’s physiological leave: 2.5 hours/month; Postpartum leave for female employees with under 1-year-old children: 1 hour/day
- Policies supporting learning activities, knowledge sharing, and cultural exchange (Technology Seminar – Tech Expert, Club: Reading, Japanese, Music Club, …
- Annual company trip and quarterly team-building activities.
Note: By applying for this position, you consent to Sun* collecting, storing, and processing your personal data for current and future recruitment purposes. Your data may be shared with relevant parties involved in the recruitment process and will be retained indefinitely until you submit an official written request for its deletion.
