English summary for screening — check the original posting before applying.
Nekkos is a system development company specializing in LINE API and AI system development. They are seeking a Tech Lead to manage client negotiations and lead development using TypeScript/Next.js. This role involves full-stack development and guiding junior engineers.
Must-haves
- 5+ years of system development experience
- 1+ year of experience as a Project Leader, PM, or in client-facing development
- Experience in requirements definition, design, development, testing, and release
- System design and development experience using RDB
- Development/operation experience using AWS or Google Cloud
- Team development experience using Git
- Experience with AI-driven development tools
Nice-to-haves
- PM or PL experience in contract development, SIer, or consulting firms
- Development experience with EC, reservation systems, business systems, or LINE mini-apps
- Development experience with LINE Messaging API, LIFF, or LINE Login
Tech stack
TypeScriptReactNext.jsNode.jsAWSGoogle CloudGitHub CopilotLLM APIs (OpenAI, Gemini, Claude Code)
Work style
Hybrid (3 days onsite in Tokyo, 2 days remote). Core hours 11:00-15:00.
Other notes
Annual salary up to 11 million JPY.