anjin.techEvery tech job in Japan
12,021 jobs/3,824 companies
HomeJobsCompaniesReports
About anjin.techContactPrivacy PolicyTerms of Service

© 2026 anjin.tech. All rights reserved.

Browse thousands of tech jobs at Japanese startups and companies. Translated for foreign engineers.

Job listings include English summaries for screening. Always verify details on the original job board before applying.

Jobs→ストックマーク株式会社→Lead Engineer - Aconnect AI Agent Development (Dev)

Lead Engineer - Aconnect AI Agent Development (Dev)English summary from Japanese

ストックマーク株式会社

✓ Detailed
Salary
月給:625,000円〜917,000円
Location
【本社所在地】 東京都港区南青山 1 丁目12-3 LIFORK MINAMI AOYAMA S209   【就業場所】 本社または自宅その他リモートワークが行える場所(変更の範囲なし) ※フルリモートワーク可   【リモートワークについて】 基本的にはフルリモート体制 居住地は日本国内に限ります(海外に居住してのフルリモート不可) 本社への出社について 弊社の定める通勤圏(一都三県)居住者は、リモート/出社を回数制限なく自由に使い分けながら勤務可能です 一都三県以外の居住者は、月1回業務とは関係なく自由に出社可能です 仙台・京都・大阪などからフルリモートで働いている人、ワーケーションを楽しみながら働いている人、母国に数週間帰国して働いている外国籍社員、また出社メインの人など多様な働き方を実現しています
Job Type
Full-time
Work Style
【就業時間】
Apply on HERP

Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

Stockmark Inc. is seeking a Lead Engineer to join the Aconnect AI Agent Development team. This role involves planning and developing features centered around Generative AI technology for SaaS products, with a focus on understanding customer needs and driving development forward.

Must-haves

  • 4+ years of web application development experience
  • Experience in cloud environment development and operation (AWS/GCP/Azure)
  • Experience working on a single service/product for over 1 year continuously
  • Japanese language proficiency (Business conversation level or higher) for technical discussions
  • Must be able to reside in Japan

Nice-to-haves

  • Full-stack development experience (backend focus, some modern front-end)
  • Experience developing products using NLP, Machine Learning, or LLMs
  • Experience developing with search engines like OpenSearch
  • Experience building products in collaboration with PdMs and Designers
  • Proactive contribution through technical communities, presentations, or blog posts

Tech stack

Ruby on RailsPythonVue.jsTypeScriptFlutterTerraformAurora MySQLOpenSearchDynamoDBRedisAWSOpenAIAzure OpenAI ServiceIn-house LLMTransformersvLLM

Work style

Full remote work is possible, but residence must be within Japan. Commuting to the Head Office in Tokyo is optional for residents within the designated commuting area. Residents outside the Tokyo metropolitan area can commute once a month. Flextime system with core hours 10:00-14:00.

Other notes

Monthly Salary: ¥625,000 - ¥917,000 (Estimated Annual Salary: ¥7,500,000 - ¥11,004,000). Salary increases twice a year. Probationary period of 3 months with no change in conditions. Includes Growth Acceleration Fund for self-improvement.

About the Company

ストックマーク株式会社

Categories
SaaSEnterprise SoftwareAI / ML
Headquarters
東京都港区南青山 1 丁目12-3 LIFORK MINAMI AOYAMA S209
Founded
2016-11
Visit Website
Posted9/16/2025
Sourceherp