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Stockmark Inc. Tech Stack

AI agents and data structuring for manufacturing enterprises

IT Services and IT Consulting 港区, 東京都 51–200 employees Founded 2016 Privately Held

Stockmark builds AI-powered tools for manufacturing and enterprise data workflows. The stack—Python, BERT, Spark, Elasticsearch, plus cloud-native infrastructure across AWS and GCP—reflects a heavy NLP and ML orientation, with active work on LLM integration and knowledge graph construction. Hiring is accelerating across engineering and sales (31 roles posted in the last 30 days), yet leadership gaps surface in the pain list (lack of ML team leader, insufficient engineering capacity), suggesting the org is scaling faster than senior technical depth.

Tech Stack 46 technologies

Core StackPython TypeScript Rust Node.js Docker AWS AWS Lambda Hadoop Apache Spark Terraform Elasticsearch Go gRPC GraphQL Ruby on Rails Vue Flutter AWS RDS MySQL BERT GCP AWS ECS AWS Fargate AWS Step Functions Google Cloud Functions Cloud Run OpenAPI SQL Aurora Amazon Cognito+16 more

What Stockmark Inc. Is Building

Challenges

  • R&d user challenges
  • Lack of ml team leader
  • Scaling engineering organization
  • Optimizing distributed ml performance
  • Insufficient engineering capacity
  • Generative ai adoption challenges
  • Deepening existing customer relationships
  • Difficulty deciding data enrichment
  • Accuracy issues in content selection
  • Redefine existing markets

Active Projects

  • Llm new business
  • Anews api development
  • Astrategy saas product
  • News article structuring
  • Japanese llm dataset creation
  • Knowledge graph construction
  • Anews product usage sessions
  • Web crawler and document delivery pipeline
  • Product development team integration
  • Content extraction engine pipeline development

Hiring Activity

Accelerating55 roles · 30 in 30d

Department

Engineering
18
Sales
12
Data
5
Product
5
Research
5
Executive
2
Marketing
2
Support
2

Seniority

Senior
26
Mid
14
Lead
5
Manager
4
VP
3
C-Level
1

Notable leadership hires: Product VP, Chief Revenue Officer

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About Stockmark Inc.

Stockmark, founded in 2016, develops two main products: Aconnect, an AI agent platform targeting manufacturing, and SAT, a data structuring system that converts unstructured enterprise data into actionable assets. The company serves mid-market and enterprise customers in Japan. Core technical work spans NLP (BERT, text mining), LLM pipeline development, knowledge graph construction, and content extraction—all underpinned by Python, Spark, and managed cloud services. The team is 51–200 employees, headquartered in Tokyo's Minato ward.

Headquarters港区, 東京都
Company Size51–200 employees
Founded2016
Hiring MarketsJapan

Frequently Asked Questions

What tech stack does Stockmark use?

Python, BERT, TypeScript, Rust, Node.js, Docker, AWS, GCP, Spark, Elasticsearch, Terraform, Rails, Vue, Flutter, and gRPC for APIs.

Where is Stockmark headquartered?

Minato-ku, Tokyo, Japan (1-12-3 Minamiaoyama). All hiring is currently Japan-based.

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