Senior Full-Stack Developer at LLL Inc.

Location: Kuala Lumpur, Malaysia (Hybrid: 3 days office, 2 days remote) Experience: 5+ years

About The Role

Join our core development team building enterprise web applications and SaaS products for Japanese clients. You'll work on projects ranging from e-commerce platforms to AI-powered business intelligence tools, using modern technologies like Next.js, React, and cloud infrastructure.

Key Responsibilities

Design and build scalable web applications using Next.js, React, Node.js
Develop responsive, pixel-perfect UIs following Japanese design standards
Create RESTful and GraphQL APIs for complex business logic
Deploy and maintain applications on AWS/Azure/GCP
Collaborate with Japanese clients (bilingual communication skills valued)
Participate in code reviews and mentor junior developers
Write comprehensive tests (unit, integration, E2E)
Document technical specifications in English (Japanese a plus)

Required Qualifications

5+ years professional software development experience
Expert in React and Next.js (App Router, Server Components, SSR/SSG)
Strong Node.js backend experience (Express, NestJS, or Fastify)
Proficient in TypeScript and modern JavaScript (ES6+)
Experience with relational databases (PostgreSQL, MySQL)
Solid understanding of RESTful API design and GraphQL
Familiarity with cloud platforms (AWS, Azure, or GCP)
Version control with Git and GitHub/GitLab workflows
Excellent problem-solving and debugging skills
Strong communication in English (written and verbal)

Preferred Qualifications

Japanese language proficiency (N3 or higher)
Experience with microservices architecture
Prior work with Japanese clients or companies
DevOps skills (Docker, Kubernetes, CI/CD)
AI/ML integration experience (OpenAI, Anthropic Claude)
Contributions to open source projects
Bachelor's degree in Computer Science or related field

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Senior Full-Stack Developer (Next.js, Node.js, React)