at Sun* Inc.
Fullstack Engineer (Typescript/English Fluency)
WHAT WE DO
At Sun Asterisk, we build cutting-edge, high-performance systems to tackle complex challenges. As a developer, you will:
- Develop frontend and backend features using React, Next.js, and tRPC.
- Build responsive UI components and seamless user experiences for AI tool creation.
- Design and implement backend business logic and API layers with tRPC.
- Integrate and optimize database queries using Prisma and Kysely.
- Collaborate with Product and AI teams to ensure feature completeness and performance.Ensure quality via code reviews, testing (unit/integration), and observability.
WHO YOU ARE
#Experience Requirements
Mandatory Skills
- 4+ years of experience as a Full Stack or Frontend/Backend Engineer
- Proficiency with TypeScript and React.
- Experience building apps with Next.js (preferably using App Router).
- Solid backend experience with tRPC or similar RPC/GraphQL APIs.
- Familiarity with PostgreSQL and query performance optimization.
- Experience using Prisma, Kysely, or any modern query builders.
- Good communication skills, team-oriented, and comfortable in startup-paced environments.
Desired Skills
- Familiarity with AI tools or LLM-powered platforms.
- Experience with Neon PostgreSQL or serverless databases.
- Experience with Tailwind CSS, Zod, Vercel, or PlanetScale.
- Understanding of Edge Functions or Serverless API patterns.
#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.)
- 13th-month salary 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.